[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	1.168	\ Copyright (C) 1995,1996,1997,1998,1999,2000,2003,2004,2005,2006,2007,2009 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 :	anton	1.166	\ as published by the Free Software Foundation, either version 3
11 :	anton	1.30	\ 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 :	anton	1.166	\ along with this program. If not, see http://www.gnu.org/licenses/.
20 :	anton	1.1
21 :	jwilke	1.67	0
22 :			[IF]
23 :
24 :			ToDo:
25 :	jwilke	1.107	- Crossdoc destination ./doc/crossdoc.fd makes no sense when
26 :			cross.fs is used seperately. jaw
27 :			- Do we need this char translation with >address and in branchoffset?
28 :			(>body also affected) jaw
29 :	jwilke	1.67
30 :			[THEN]
31 :	anton	1.48
32 :	anton	1.128	s" compat/strcomp.fs" included
33 :
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 :	jwilke	1.105
66 :	jwilke	1.77	: >cross also Cross definitions previous ;
67 :			: >target also Target definitions previous ;
68 :			: >minimal also Minimal definitions previous ;
69 :
70 :			H
71 :
72 :			>CROSS
73 :
74 :	jwilke	1.123	\ Test against this definitions to find out whether we are cross-compiling
75 :			\ may be usefull for assemblers
76 :			0 Constant gforth-cross-indicator
77 :
78 :	jwilke	1.77	\ find out whether we are compiling with gforth
79 :
80 :			: defined? bl word find nip ;
81 :			defined? emit-file defined? toupper and \ drop 0
82 :			[IF]
83 :			\ use this in a gforth system
84 :			: \GFORTH ; immediate
85 :			: \ANSI postpone \ ; immediate
86 :			[ELSE]
87 :			: \GFORTH postpone \ ; immediate
88 :			: \ANSI ; immediate
89 :			[THEN]
90 :
91 :			\ANSI : [IFUNDEF] defined? 0= postpone [IF] ; immediate
92 :			\ANSI : [IFDEF] defined? postpone [IF] ; immediate
93 :			0 \ANSI drop 1
94 :			[IF]
95 :			: \G postpone \ ; immediate
96 :			: rdrop postpone r> postpone drop ; immediate
97 :			: name bl word count ;
98 :			: bounds over + swap ;
99 :			: scan >r BEGIN dup WHILE over c@ r@ <> WHILE 1 /string REPEAT THEN rdrop ;
100 :			: linked here over @ , swap ! ;
101 :			: alias create , DOES> @ EXECUTE ;
102 :			: defer ['] noop alias ;
103 :			: is state @
104 :			IF ' >body postpone literal postpone !
105 :			ELSE ' >body ! THEN ; immediate
106 :			: 0>= 0< 0= ;
107 :			: d<> rot <> -rot <> or ;
108 :			: toupper dup [char] a [char] z 1+ within IF [char] A [char] a - + THEN ;
109 :			Variable ebuf
110 :			: emit-file ( c fd -- ior ) swap ebuf c! ebuf 1 chars rot write-file ;
111 :			0a Constant #lf
112 :			0d Constant #cr
113 :
114 :			[IFUNDEF] Warnings Variable Warnings [THEN]
115 :
116 :			\ \ Number parsing 23feb93py
117 :
118 :			\ number? number 23feb93py
119 :
120 :			Variable dpl
121 :
122 :			hex
123 :			Create bases 10 , 2 , A , 100 ,
124 :			\ 16 2 10 character
125 :
126 :			\ !! protect BASE saving wrapper against exceptions
127 :			: getbase ( addr u -- addr' u' )
128 :			over c@ [char] $ - dup 4 u<
129 :			IF
130 :			cells bases + @ base ! 1 /string
131 :			ELSE
132 :			drop
133 :			THEN ;
134 :
135 :			: sign? ( addr u -- addr u flag )
136 :			over c@ [char] - = dup >r
137 :			IF
138 :			1 /string
139 :			THEN
140 :			r> ;
141 :
142 :			: s>unumber? ( addr u -- ud flag )
143 :	jwilke	1.78	over [char] ' =
144 :			IF \ a ' alone is rather unusual :-)
145 :			drop char+ c@ 0 true EXIT
146 :			THEN
147 :	jwilke	1.77	base @ >r dpl on getbase
148 :			0. 2swap
149 :			BEGIN ( d addr len )
150 :			dup >r >number dup
151 :			WHILE \ there are characters left
152 :			dup r> -
153 :			WHILE \ the last >number parsed something
154 :			dup 1- dpl ! over c@ [char] . =
155 :			WHILE \ the current char is '.'
156 :			1 /string
157 :			REPEAT THEN \ there are unparseable characters left
158 :			2drop false
159 :			ELSE
160 :			rdrop 2drop true
161 :			THEN
162 :			r> base ! ;
163 :
164 :			\ ouch, this is complicated; there must be a simpler way - anton
165 :			: s>number? ( addr len -- d f )
166 :			\ converts string addr len into d, flag indicates success
167 :			sign? >r
168 :			s>unumber?
169 :			0= IF
170 :			rdrop false
171 :			ELSE \ no characters left, all ok
172 :			r>
173 :			IF
174 :			dnegate
175 :			THEN
176 :			true
177 :			THEN ;
178 :
179 :			: s>number ( addr len -- d )
180 :			\ don't use this, there is no way to tell success
181 :			s>number? drop ;
182 :
183 :			: snumber? ( c-addr u -- 0 / n -1 / d 0> )
184 :			s>number? 0=
185 :			IF
186 :			2drop false EXIT
187 :			THEN
188 :			dpl @ dup 0< IF
189 :			nip
190 :			ELSE
191 :			1+
192 :			THEN ;
193 :
194 :	anton	1.167	: (number?) ( string -- string 0 / n -1 / d 0> )
195 :	jwilke	1.77	dup >r count snumber? dup if
196 :			rdrop
197 :			else
198 :			r> swap
199 :			then ;
200 :
201 :			: number ( string -- d )
202 :	anton	1.167	(number?) ?dup 0= abort" ?" 0<
203 :	jwilke	1.77	IF
204 :			s>d
205 :			THEN ;
206 :
207 :			[THEN]
208 :	anton	1.48
209 :	anton	1.167	[IFUNDEF] (number?) : (number?) number? ; [THEN]
210 :
211 :	jwilke	1.115	\ this provides assert( and struct stuff
212 :			\GFORTH [IFUNDEF] assert1(
213 :			\GFORTH also forth definitions require assert.fs previous
214 :			\GFORTH [THEN]
215 :
216 :			>CROSS
217 :
218 :	jwilke	1.52	hex \ the defualt base for the cross-compiler is hex !!
219 :	jwilke	1.78	\ Warnings off
220 :	jwilke	1.52
221 :			\ words that are generaly useful
222 :
223 :	pazsan	1.59	: KB 400 * ;
224 :	jwilke	1.52	: >wordlist ( vocabulary-xt -- wordlist-struct )
225 :			also execute get-order swap >r 1- set-order r> ;
226 :
227 :			: umax 2dup u< IF swap THEN drop ;
228 :			: umin 2dup u> IF swap THEN drop ;
229 :	anton	1.1
230 :	pazsan	1.23	: string, ( c-addr u -- )
231 :			\ puts down string as cstring
232 :			dup c, here swap chars dup allot move ;
233 :	pazsan	1.5
234 :	jwilke	1.77	: ," [char] " parse string, ;
235 :
236 :	jwilke	1.52	: SetValue ( n -- <name> )
237 :	pazsan	1.54	\G Same behaviour as "Value" if the <name> is not defined
238 :			\G Same behaviour as "to" if <name> is defined
239 :	jwilke	1.52	\G SetValue searches in the current vocabulary
240 :	jwilke	1.68	save-input bl word >r restore-input throw r> count
241 :			get-current search-wordlist
242 :			IF drop >r
243 :			\ we have to set current to be topmost context wordlist
244 :			get-order get-order get-current swap 1+ set-order
245 :			r> ['] to execute
246 :	jwilke	1.74	set-order
247 :	jwilke	1.68	ELSE Value THEN ;
248 :	jwilke	1.52
249 :			: DefaultValue ( n -- <name> )
250 :	pazsan	1.54	\G Same behaviour as "Value" if the <name> is not defined
251 :			\G DefaultValue searches in the current vocabulary
252 :	jwilke	1.52	save-input bl word >r restore-input throw r> count
253 :			get-current search-wordlist
254 :	pazsan	1.56	IF bl word drop 2drop ELSE Value THEN ;
255 :	anton	1.1
256 :			hex
257 :
258 :	jwilke	1.120	\ FIXME delete`
259 :	jwilke	1.52	\ 1 Constant Cross-Flag \ to check whether assembler compiler plug-ins are
260 :			\ for cross-compiling
261 :			\ No! we use "[IFUNDEF]" there to find out whether we are target compiling!!!
262 :
263 :	jwilke	1.120	\ FIXME move down
264 :	jwilke	1.52	: comment? ( c-addr u -- c-addr u )
265 :	anton	1.128	2dup s" (" str=
266 :	jwilke	1.52	IF postpone (
267 :	anton	1.128	ELSE 2dup s" \" str= IF postpone \ THEN
268 :	jwilke	1.52	THEN ;
269 :
270 :	jwilke	1.120	: X ( -- <name> )
271 :			\G The next word in the input is a target word.
272 :			\G Equivalent to T <name> but without permanent
273 :			\G switch to target dictionary. Used as prefix e.g. for @, !, here etc.
274 :			bl word count [ ' target >wordlist ] Literal search-wordlist
275 :			IF state @ IF compile, ELSE execute THEN
276 :			ELSE -1 ABORT" Cross: access method not supported!"
277 :			THEN ; immediate
278 :	jwilke	1.105
279 :	jwilke	1.52	\ Begin CROSS COMPILER:
280 :
281 :	jwilke	1.74	\ debugging
282 :	jwilke	1.52
283 :	jwilke	1.74	0 [IF]
284 :
285 :			This implements debugflags for the cross compiler and the compiled
286 :			images. It works identical to the has-flags in the environment.
287 :			The debugflags are defined in a vocabluary. If the word exists and
288 :			its value is true, the flag is switched on.
289 :
290 :			[THEN]
291 :
292 :	jwilke	1.77	>CROSS
293 :
294 :	jwilke	1.74	Vocabulary debugflags \ debug flags for cross
295 :			also debugflags get-order over
296 :			Constant debugflags-wl
297 :			set-order previous
298 :
299 :			: DebugFlag
300 :			get-current >r debugflags-wl set-current
301 :			SetValue
302 :			r> set-current ;
303 :
304 :			: Debug? ( adr u -- flag )
305 :			\G return true if debug flag is defined or switched on
306 :			debugflags-wl search-wordlist
307 :			IF EXECUTE
308 :			ELSE false THEN ;
309 :
310 :			: D? ( <name> -- flag )
311 :			\G return true if debug flag is defined or switched on
312 :			\G while compiling we do not return the current value but
313 :			bl word count debug? ;
314 :
315 :			: [d?]
316 :			\G compile the value-xt so the debug flag can be switched
317 :			\G the flag must exist!
318 :			bl word count debugflags-wl search-wordlist
319 :			IF compile,
320 :			ELSE -1 ABORT" unknown debug flag"
321 :			\ POSTPONE false
322 :			THEN ; immediate
323 :	pazsan	1.54
324 :	jwilke	1.123	: symentry ( adr len taddr -- )
325 :			\G Produce a symbol table (an optional symbol address
326 :			\G map) if wanted
327 :			[ [IFDEF] fd-symbol-table ]
328 :			base @ swap hex s>d <# 8 0 DO # LOOP #> fd-symbol-table write-file throw base !
329 :			s" :" fd-symbol-table write-file throw
330 :			fd-symbol-table write-line throw
331 :			[ [ELSE] ]
332 :			2drop drop
333 :			[ [THEN] ] ;
334 :
335 :
336 :	jwilke	1.77	\ \ -------------------- source file
337 :
338 :			decimal
339 :
340 :			Variable cross-file-list
341 :			0 cross-file-list !
342 :			Variable target-file-list
343 :			0 target-file-list !
344 :			Variable host-file-list
345 :			0 host-file-list !
346 :
347 :			cross-file-list Value file-list
348 :			0 Value source-desc
349 :
350 :			\ file loading
351 :
352 :			: >fl-id 1 cells + ;
353 :			: >fl-name 2 cells + ;
354 :
355 :			Variable filelist 0 filelist !
356 :			Create NoFile ," #load-file#"
357 :
358 :			: loadfile ( -- adr )
359 :			source-desc ?dup IF >fl-name ELSE NoFile THEN ;
360 :
361 :			: sourcefilename ( -- adr len )
362 :			loadfile count ;
363 :
364 :			\ANSI : sourceline# 0 ;
365 :
366 :			\ \ -------------------- path handling from kernel/paths.fs
367 :
368 :			\ paths.fs path file handling 03may97jaw
369 :
370 :			\ -Changing the search-path:
371 :			\ fpath+ <path> adds a directory to the searchpath
372 :			\ fpath= <path>\|<path> makes complete now searchpath
373 :			\ seperator is \|
374 :			\ .fpath displays the search path
375 :			\ remark I:
376 :			\ a ./ in the beginning of filename is expanded to the directory the
377 :			\ current file comes from. ./ can also be included in the search-path!
378 :			\ ~+/ loads from the current working directory
379 :
380 :			\ remark II:
381 :			\ if there is no sufficient space for the search path increase it!
382 :
383 :
384 :			\ -Creating custom paths:
385 :
386 :			\ It is possible to use the search mechanism on yourself.
387 :
388 :			\ Make a buffer for the path:
389 :			\ create mypath 100 chars , \ maximum length (is checked)
390 :			\ 0 , \ real len
391 :			\ 100 chars allot \ space for path
392 :			\ use the same functions as above with:
393 :			\ mypath path+
394 :			\ mypath path=
395 :			\ mypath .path
396 :
397 :			\ do a open with the search path:
398 :			\ open-path-file ( adr len path -- fd adr len ior )
399 :			\ the file is opened read-only; if the file is not found an error is generated
400 :
401 :			\ questions to: wilke@jwdt.com
402 :
403 :			[IFUNDEF] +place
404 :			: +place ( adr len adr )
405 :			2dup >r >r
406 :			dup c@ char+ + swap move
407 :			r> r> dup c@ rot + swap c! ;
408 :			[THEN]
409 :
410 :			[IFUNDEF] place
411 :			: place ( c-addr1 u c-addr2 )
412 :			2dup c! char+ swap move ;
413 :			[THEN]
414 :
415 :			\ if we have path handling, use this and the setup of it
416 :			[IFUNDEF] open-fpath-file
417 :
418 :			create sourcepath 1024 chars , 0 , 1024 chars allot \ !! make this dynamic
419 :			sourcepath value fpath
420 :
421 :			: also-path ( adr len path^ -- )
422 :			>r
423 :			\ len check
424 :			r@ cell+ @ over + r@ @ u> ABORT" path buffer too small!"
425 :			\ copy into
426 :			tuck r@ cell+ dup @ cell+ + swap cmove
427 :			\ make delimiter
428 :			0 r@ cell+ dup @ cell+ + 2 pick + c! 1 + r> cell+ +!
429 :			;
430 :
431 :			: only-path ( adr len path^ -- )
432 :			dup 0 swap cell+ ! also-path ;
433 :
434 :			: path+ ( path-addr "dir" -- ) \ gforth
435 :			\G Add the directory @var{dir} to the search path @var{path-addr}.
436 :			name rot also-path ;
437 :
438 :			: fpath+ ( "dir" ) \ gforth
439 :			\G Add directory @var{dir} to the Forth search path.
440 :			fpath path+ ;
441 :
442 :			: path= ( path-addr "dir1\|dir2\|dir3" ) \ gforth
443 :			\G Make a complete new search path; the path separator is \|.
444 :			name 2dup bounds ?DO i c@ [char] \| = IF 0 i c! THEN LOOP
445 :			rot only-path ;
446 :
447 :			: fpath= ( "dir1\|dir2\|dir3" ) \ gforth
448 :			\G Make a complete new Forth search path; the path separator is \|.
449 :			fpath path= ;
450 :
451 :	anton	1.145	: path>string cell+ dup cell+ swap @ ;
452 :	jwilke	1.77
453 :			: next-path ( adr len -- adr2 len2 )
454 :			2dup 0 scan
455 :			dup 0= IF 2drop 0 -rot 0 -rot EXIT THEN
456 :			>r 1+ -rot r@ 1- -rot
457 :			r> - ;
458 :
459 :			: previous-path ( path^ -- )
460 :	anton	1.145	dup path>string
461 :	jwilke	1.77	BEGIN tuck dup WHILE repeat ;
462 :
463 :			: .path ( path-addr -- ) \ gforth
464 :			\G Display the contents of the search path @var{path-addr}.
465 :	anton	1.145	path>string
466 :	jwilke	1.77	BEGIN next-path dup WHILE type space REPEAT 2drop 2drop ;
467 :
468 :			: .fpath ( -- ) \ gforth
469 :			\G Display the contents of the Forth search path.
470 :			fpath .path ;
471 :
472 :			: absolut-path? ( addr u -- flag ) \ gforth
473 :			\G A path is absolute if it starts with a / or a ~ (~ expansion),
474 :			\G or if it is in the form ./*, extended regexp: ^[/~]\|./, or if
475 :			\G it has a colon as second character ("C:..."). Paths simply
476 :			\G containing a / are not absolute!
477 :			2dup 2 u> swap 1+ c@ [char] : = and >r \ dos absoulte: c:/....
478 :			over c@ [char] / = >r
479 :			over c@ [char] ~ = >r
480 :	anton	1.128	\ 2dup S" ../" string-prefix? r> or >r \ not catered for in expandtopic
481 :			S" ./" string-prefix?
482 :	jwilke	1.77	r> r> r> or or or ;
483 :
484 :			Create ofile 0 c, 255 chars allot
485 :			Create tfile 0 c, 255 chars allot
486 :
487 :			: pathsep? dup [char] / = swap [char] \ = or ;
488 :
489 :			: need/ ofile dup c@ + c@ pathsep? 0= IF s" /" ofile +place THEN ;
490 :
491 :			: extractpath ( adr len -- adr len2 )
492 :			BEGIN dup WHILE 1-
493 :			2dup + c@ pathsep? IF EXIT THEN
494 :			REPEAT ;
495 :
496 :			: remove~+ ( -- )
497 :	anton	1.128	ofile count s" ~+/" string-prefix?
498 :	jwilke	1.77	IF
499 :			ofile count 3 /string ofile place
500 :			THEN ;
501 :
502 :			: expandtopic ( -- ) \ stack effect correct? - anton
503 :			\ expands "./" into an absolute name
504 :	anton	1.128	ofile count s" ./" string-prefix?
505 :	jwilke	1.77	IF
506 :			ofile count 1 /string tfile place
507 :			0 ofile c! sourcefilename extractpath ofile place
508 :			ofile c@ IF need/ THEN
509 :			tfile count over c@ pathsep? IF 1 /string THEN
510 :			ofile +place
511 :			THEN ;
512 :
513 :			: compact.. ( adr len -- adr2 len2 )
514 :	pazsan	1.85	\ deletes phrases like "xy/.." out of our directory name 2dec97jaw
515 :			over swap
516 :			BEGIN dup WHILE
517 :	anton	1.128	dup >r '/ scan 2dup s" /../" string-prefix?
518 :	pazsan	1.85	IF
519 :			dup r> - >r 4 /string over r> + 4 -
520 :			swap 2dup + >r move dup r> over -
521 :			ELSE
522 :			rdrop dup 1 min /string
523 :			THEN
524 :			REPEAT drop over - ;
525 :	jwilke	1.77
526 :			: reworkdir ( -- )
527 :			remove~+
528 :			ofile count compact..
529 :			nip ofile c! ;
530 :
531 :			: open-ofile ( -- fid ior )
532 :			\G opens the file whose name is in ofile
533 :			expandtopic reworkdir
534 :			ofile count r/o open-file ;
535 :
536 :			: check-path ( adr1 len1 adr2 len2 -- fd 0 \| 0 <>0 )
537 :			0 ofile ! >r >r ofile place need/
538 :			r> r> ofile +place
539 :			open-ofile ;
540 :
541 :			: open-path-file ( addr1 u1 path-addr -- wfileid addr2 u2 0 \| ior ) \ gforth
542 :			\G Look in path @var{path-addr} for the file specified by @var{addr1 u1}.
543 :			\G If found, the resulting path and an open file descriptor
544 :			\G are returned. If the file is not found, @var{ior} is non-zero.
545 :			>r
546 :			2dup absolut-path?
547 :			IF rdrop
548 :			ofile place open-ofile
549 :			dup 0= IF >r ofile count r> THEN EXIT
550 :	anton	1.145	ELSE r> path>string
551 :	jwilke	1.77	BEGIN next-path dup
552 :			WHILE 5 pick 5 pick check-path
553 :			0= IF >r 2drop 2drop r> ofile count 0 EXIT ELSE drop THEN
554 :			REPEAT
555 :			2drop 2drop 2drop -38
556 :			THEN ;
557 :
558 :			: open-fpath-file ( addr1 u1 -- wfileid addr2 u2 0 \| ior ) \ gforth
559 :			\G Look in the Forth search path for the file specified by @var{addr1 u1}.
560 :			\G If found, the resulting path and an open file descriptor
561 :			\G are returned. If the file is not found, @var{ior} is non-zero.
562 :			fpath open-path-file ;
563 :
564 :			fpath= ~+
565 :
566 :			[THEN]
567 :
568 :			\ \ -------------------- include require 13may99jaw
569 :
570 :			>CROSS
571 :
572 :			: add-included-file ( adr len -- adr )
573 :			dup >fl-name char+ allocate throw >r
574 :			file-list @ r@ ! r@ file-list !
575 :			r@ >fl-name place r> ;
576 :
577 :			: included? ( c-addr u -- f )
578 :			file-list
579 :			BEGIN @ dup
580 :	anton	1.128	WHILE >r 2dup r@ >fl-name count str=
581 :	jwilke	1.77	IF rdrop 2drop true EXIT THEN
582 :			r>
583 :			REPEAT
584 :			2drop drop false ;
585 :
586 :			false DebugFlag showincludedfiles
587 :
588 :			: included1 ( fd adr u -- )
589 :			\ include file adr u / fd
590 :			\ we don't use fd with include-file, because the forth system
591 :			\ doesn't know the name of the file to get a nice error report
592 :			[d?] showincludedfiles
593 :			IF cr ." Including: " 2dup type ." ..." THEN
594 :			rot close-file throw
595 :			source-desc >r
596 :			add-included-file to source-desc
597 :			sourcefilename
598 :			['] included catch
599 :			r> to source-desc
600 :			throw ;
601 :
602 :			: included ( adr len -- )
603 :			cross-file-list to file-list
604 :			open-fpath-file throw
605 :			included1 ;
606 :
607 :			: required ( adr len -- )
608 :			cross-file-list to file-list
609 :			open-fpath-file throw \ 2dup cr ." R:" type
610 :			2dup included?
611 :			IF 2drop close-file throw
612 :			ELSE included1
613 :			THEN ;
614 :
615 :			: include bl word count included ;
616 :
617 :			: require bl word count required ;
618 :
619 :	jwilke	1.78	0 [IF]
620 :
621 :	jwilke	1.77	also forth definitions previous
622 :
623 :			: included ( adr len -- ) included ;
624 :
625 :			: required ( adr len -- ) required ;
626 :
627 :			: include include ;
628 :
629 :			: require require ;
630 :
631 :	jwilke	1.78	[THEN]
632 :
633 :	jwilke	1.77	>CROSS
634 :			hex
635 :
636 :			\ \ -------------------- Error Handling 05aug97jaw
637 :
638 :			\ Flags
639 :
640 :			also forth definitions \ these values may be predefined before
641 :			\ the cross-compiler is loaded
642 :
643 :			false DefaultValue stack-warn \ check on empty stack at any definition
644 :			false DefaultValue create-forward-warn \ warn on forward declaration of created words
645 :
646 :			previous >CROSS
647 :
648 :			: .dec
649 :			base @ decimal swap . base ! ;
650 :
651 :			: .sourcepos
652 :			cr sourcefilename type ." :"
653 :			sourceline# .dec ;
654 :
655 :			: warnhead
656 :			\G display error-message head
657 :			\G perhaps with linenumber and filename
658 :			.sourcepos ." Warning: " ;
659 :
660 :			: empty? depth IF .sourcepos ." Stack not empty!" THEN ;
661 :
662 :			stack-warn [IF]
663 :			: defempty? empty? ;
664 :			[ELSE]
665 :			: defempty? ; immediate
666 :	jwilke	1.139	\ : defempty? .sourcepos ;
667 :	jwilke	1.77	[THEN]
668 :
669 :	jwilke	1.105	\ \ -------------------- Compiler Plug Ins 01aug97jaw
670 :
671 :			>CROSS
672 :
673 :			\ Compiler States
674 :
675 :			Variable comp-state
676 :			0 Constant interpreting
677 :			1 Constant compiling
678 :			2 Constant resolving
679 :			3 Constant assembling
680 :
681 :			: compiling? comp-state @ compiling = ;
682 :
683 :			: pi-undefined -1 ABORT" Plugin undefined" ;
684 :
685 :			: Plugin ( -- : pluginname )
686 :			Create
687 :			\ for normal cross-compiling only one action
688 :			\ exists, this fields are identical. For the instant
689 :			\ simulation environment we need, two actions for each plugin
690 :			\ the target one and the one that generates the simulation code
691 :			['] pi-undefined , \ action
692 :			['] pi-undefined , \ target plugin action
693 :			8765 , \ plugin magic
694 :			DOES> perform ;
695 :
696 :			Plugin DummyPlugin
697 :
698 :			: 'PI ( -- addr : pluginname )
699 :			' >body dup 2 cells + @ 8765 <> ABORT" not a plugin" ;
700 :
701 :			: plugin-of ( xt -- : pluginname )
702 :			dup 'PI 2! ;
703 :
704 :			: action-of ( xt -- : plunginname )
705 :			'PI cell+ ! ;
706 :
707 :			: TPA ( -- : plugin )
708 :			\ target plugin action
709 :			\ executes current target action of plugin
710 :			'PI cell+ POSTPONE literal POSTPONE perform ; immediate
711 :
712 :			Variable ppi-temp 0 ppi-temp !
713 :
714 :			: pa:
715 :			\g define plugin action
716 :			ppi-temp @ ABORT" pa: definition not closed"
717 :			'PI ppi-temp ! :noname ;
718 :
719 :			: ;pa
720 :			\g end a definition for plugin action
721 :			POSTPONE ; ppi-temp @ ! 0 ppi-temp ! ; immediate
722 :
723 :
724 :	jwilke	1.107	Plugin dlit, ( d -- ) \ compile numerical value the target
725 :	jwilke	1.105	Plugin lit, ( n -- )
726 :			Plugin alit, ( n -- )
727 :
728 :			Plugin branch, ( target-addr -- ) \ compiles a branch
729 :			Plugin ?branch, ( target-addr -- ) \ compiles a ?branch
730 :			Plugin branchmark, ( -- branch-addr ) \ reserves room for a branch
731 :			Plugin ?branchmark, ( -- branch-addr ) \ reserves room for a ?branch
732 :			Plugin ?domark, ( -- branch-addr ) \ reserves room for a ?do branch
733 :			Plugin branchto, ( -- ) \ actual program position is target of a branch (do e.g. alignment)
734 :			' NOOP plugin-of branchto,
735 :			Plugin branchtoresolve, ( branch-addr -- ) \ resolves a forward reference from branchmark
736 :			Plugin branchtomark, ( -- target-addr ) \ marks a branch destination
737 :
738 :			Plugin colon, ( tcfa -- ) \ compiles call to tcfa at current position
739 :			Plugin prim, ( tcfa -- ) \ compiles primitive invocation
740 :			Plugin colonmark, ( -- addr ) \ marks a colon call
741 :			Plugin colon-resolve ( tcfa addr -- )
742 :
743 :			Plugin addr-resolve ( target-addr addr -- )
744 :			Plugin doer-resolve ( ghost res-pnt target-addr addr -- ghost res-pnt )
745 :
746 :			Plugin ncontrols? ( [ xn ... x1 ] n -- ) \ checks wheter n control structures are open
747 :			Plugin if, ( -- if-token )
748 :			Plugin else, ( if-token -- if-token )
749 :			Plugin then, ( if-token -- )
750 :			Plugin ahead,
751 :			Plugin begin,
752 :			Plugin while,
753 :			Plugin until,
754 :			Plugin again,
755 :			Plugin repeat,
756 :			Plugin cs-swap ( x1 x2 -- x2 x1 )
757 :
758 :			Plugin case, ( -- n )
759 :			Plugin of, ( n -- x1 n )
760 :			Plugin endof, ( x1 n -- x2 n )
761 :			Plugin endcase, ( x1 .. xn n -- )
762 :
763 :			Plugin do, ( -- do-token )
764 :			Plugin ?do, ( -- ?do-token )
765 :			Plugin for, ( -- for-token )
766 :			Plugin loop, ( do-token / ?do-token -- )
767 :			Plugin +loop, ( do-token / ?do-token -- )
768 :			Plugin next, ( for-token )
769 :			Plugin leave, ( -- )
770 :			Plugin ?leave, ( -- )
771 :
772 :	jwilke	1.121	Plugin ca>native \ Convert a code address to the processors
773 :			\ native address. This is used in doprim, and
774 :			\ code/code: primitive definitions word to
775 :			\ convert the addresses.
776 :			\ The only target where we need this is the misc
777 :			\ which is a 16 Bit processor with word addresses
778 :			\ but the forth system we build has a normal byte
779 :			\ addressed memory model
780 :	jwilke	1.105
781 :			Plugin doprim, \ compiles start of a primitive
782 :			Plugin docol, \ compiles start of a colon definition
783 :			Plugin doer,
784 :			Plugin fini, \ compiles end of definition ;s
785 :			Plugin doeshandler,
786 :			Plugin dodoes,
787 :
788 :			Plugin colon-start
789 :			' noop plugin-of colon-start
790 :			Plugin colon-end
791 :			' noop plugin-of colon-end
792 :
793 :			Plugin ]comp \ starts compilation
794 :			' noop plugin-of ]comp
795 :			Plugin comp[ \ ends compilation
796 :			' noop plugin-of comp[
797 :
798 :			Plugin t>body \ we need the system >body
799 :			\ and the target >body
800 :
801 :			>TARGET
802 :			: >body t>body ;
803 :
804 :
805 :	jwilke	1.103	\ Ghost Builder 06oct92py
806 :
807 :	jwilke	1.105	>CROSS
808 :	jwilke	1.103	hex
809 :	jwilke	1.105	\ Values for ghost magic
810 :	jwilke	1.103	4711 Constant <fwd> 4712 Constant <res>
811 :			4713 Constant <imm> 4714 Constant <do:>
812 :			4715 Constant <skip>
813 :
814 :	jwilke	1.105	\ Bitmask for ghost flags
815 :	jwilke	1.103	1 Constant <unique>
816 :	jwilke	1.105	2 Constant <primitive>
817 :
818 :			\ FXIME: move this to general stuff?
819 :			: set-flag ( addr flag -- )
820 :			over @ or swap ! ;
821 :
822 :			: reset-flag ( addr flag -- )
823 :			invert over @ and swap ! ;
824 :
825 :			: get-flag ( addr flag -- f )
826 :			swap @ and 0<> ;
827 :
828 :	jwilke	1.103
829 :			Struct
830 :	jwilke	1.52
831 :	jwilke	1.103	\ link to next ghost (always the first element)
832 :			cell% field >next-ghost
833 :	jwilke	1.52
834 :	jwilke	1.103	\ type of ghost
835 :			cell% field >magic
836 :
837 :			\ pointer where ghost is in target, or if unresolved
838 :			\ points to the where we have to resolve (linked-list)
839 :			cell% field >link
840 :	jwilke	1.52
841 :	jwilke	1.106	\ execution semantics (while target compiling) of ghost
842 :	jwilke	1.103	cell% field >exec
843 :	jwilke	1.52
844 :	jwilke	1.106	\ compilation action of this ghost; this is what is
845 :			\ done to compile a call (or whatever) to this definition.
846 :			\ E.g. >comp contains the semantic of postpone s"
847 :			\ whereas >exec-compile contains the semantic of s"
848 :	jwilke	1.105	cell% field >comp
849 :
850 :	jwilke	1.106	\ Compilation sematics (while parsing) of this ghost. E.g.
851 :			\ "\" will skip the rest of line.
852 :			\ These semantics are defined by Cond: and
853 :			\ if a word is made immediate in instant, then the >exec2 field
854 :			\ gets copied to here
855 :	jwilke	1.103	cell% field >exec-compile
856 :	jwilke	1.52
857 :	jwilke	1.106	\ Additional execution semantics of this ghost. This is used
858 :			\ for code generated by instant and for the doer-xt of created
859 :			\ words
860 :	jwilke	1.103	cell% field >exec2
861 :	jwilke	1.52
862 :	jwilke	1.103	cell% field >created
863 :	jwilke	1.52
864 :	jwilke	1.103	\ the xt of the created ghost word itself
865 :			cell% field >ghost-xt
866 :	jwilke	1.52
867 :	jwilke	1.103	\ pointer to the counted string of the assiciated
868 :			\ assembler label
869 :			cell% field >asm-name
870 :	jwilke	1.52
871 :	jwilke	1.103	\ mapped primitives have a special address, so
872 :			\ we are able to detect them
873 :			cell% field >asm-dummyaddr
874 :
875 :			\ for builder (create, variable...) words
876 :			\ the execution symantics of words built are placed here
877 :			\ this is a doer ghost or a dummy ghost
878 :			cell% field >do:ghost
879 :	pazsan	1.93
880 :	jwilke	1.103	cell% field >ghost-flags
881 :	pazsan	1.93
882 :	jwilke	1.103	cell% field >ghost-name
883 :	jwilke	1.52
884 :	jwilke	1.103	End-Struct ghost-struct
885 :	jwilke	1.52
886 :	jwilke	1.103	Variable ghost-list
887 :			0 ghost-list !
888 :	jwilke	1.52
889 :			Variable executed-ghost \ last executed ghost, needed in tcreate and gdoes>
890 :	jwilke	1.103	\ Variable last-ghost \ last ghost that is created
891 :	jwilke	1.52	Variable last-header-ghost \ last ghost definitions with header
892 :
893 :	jwilke	1.103	\ space for ghosts resolve structure
894 :			\ we create ghosts in a sepearte space
895 :			\ and not to the current host dp, because this
896 :			\ gives trouble with instant while compiling and creating
897 :			\ a ghost for a forward reference
898 :			\ BTW: we cannot allocate another memory region
899 :			\ because allot will check the overflow!!
900 :			Variable cross-space-dp
901 :			Create cross-space 250000 allot here 100 allot align
902 :			Constant cross-space-end
903 :			cross-space cross-space-dp !
904 :			Variable cross-space-dp-orig
905 :
906 :			: cross-space-used cross-space-dp @ cross-space - ;
907 :
908 :			: >space ( -- )
909 :			dp @ cross-space-dp-orig !
910 :			cross-space-dp @ dp ! ;
911 :
912 :			: space> ( -- )
913 :			dp @ dup cross-space-dp !
914 :			cross-space-end u> ABORT" CROSS: cross-space overflow"
915 :			cross-space-dp-orig @ dp ! ;
916 :
917 :	jwilke	1.106	\ this is just for debugging, to see this in the backtrace
918 :	jwilke	1.103	: execute-exec execute ;
919 :			: execute-exec2 execute ;
920 :			: execute-exec-compile execute ;
921 :
922 :			: NoExec
923 :			executed-ghost @ >exec2 @
924 :			?dup
925 :			IF execute-exec2
926 :			ELSE true ABORT" CROSS: Don't execute ghost, or immediate target word"
927 :			THEN ;
928 :
929 :	jwilke	1.105	Defer is-forward
930 :
931 :	jwilke	1.103	: (ghostheader) ( -- )
932 :	jwilke	1.121	ghost-list linked <fwd> , 0 , ['] NoExec , ['] is-forward ,
933 :	pazsan	1.118	0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , ;
934 :	jwilke	1.103
935 :			: ghostheader ( -- ) (ghostheader) 0 , ;
936 :
937 :			' Ghosts >wordlist Constant ghosts-wordlist
938 :
939 :			\ the current wordlist for ghost definitions in the host
940 :			ghosts-wordlist Value current-ghosts
941 :
942 :	jwilke	1.52	: Make-Ghost ( "name" -- ghost )
943 :	jwilke	1.103	>space
944 :			\ save current and create in ghost vocabulary
945 :			get-current >r current-ghosts set-current
946 :			>in @ Create >in !
947 :			\ some forth systems like iForth need the immediate directly
948 :			\ after the word is created
949 :			\ restore current
950 :			r> set-current
951 :			here (ghostheader)
952 :			bl word count string, align
953 :			space>
954 :			\ set ghost-xt field by doing a search
955 :			dup >ghost-name count
956 :			current-ghosts search-wordlist
957 :			0= ABORT" CROSS: Just created, must be there!"
958 :			over >ghost-xt !
959 :			DOES>
960 :			dup executed-ghost !
961 :			>exec @ execute-exec ;
962 :	jwilke	1.52
963 :			\ ghost words 14oct92py
964 :			\ changed: 10may93py/jaw
965 :
966 :	jwilke	1.103	Defer search-ghosts
967 :
968 :			: (search-ghosts) ( adr len -- cfa true \| 0 )
969 :			current-ghosts search-wordlist ;
970 :
971 :			' (search-ghosts) IS search-ghosts
972 :
973 :			: gsearch ( addr len -- ghost true \| 0 )
974 :			search-ghosts
975 :			dup IF swap >body swap THEN ;
976 :
977 :			: gfind ( string -- ghost true / string false )
978 :	jwilke	1.52	\ searches for string in word-list ghosts
979 :	jwilke	1.103	\ dup count type space
980 :			dup >r count gsearch
981 :			dup IF rdrop ELSE r> swap THEN ;
982 :	jwilke	1.52
983 :			: gdiscover ( xt -- ghost true \| xt false )
984 :	jwilke	1.103	>r ghost-list
985 :	jwilke	1.52	BEGIN @ dup
986 :	jwilke	1.103	WHILE dup >magic @ <fwd> <>
987 :			IF dup >link @ r@ =
988 :			IF rdrop true EXIT THEN
989 :			THEN
990 :	jwilke	1.52	REPEAT
991 :	jwilke	1.103	drop r> false ;
992 :	jwilke	1.52
993 :	jwilke	1.105	: xt>ghost ( xt -- ghost )
994 :			gdiscover 0= ABORT" CROSS: ghost not found for this xt" ;
995 :
996 :	jwilke	1.103	: Ghost ( "name" -- ghost )
997 :			>in @ bl word gfind IF nip EXIT THEN
998 :	jwilke	1.52	drop >in ! Make-Ghost ;
999 :
1000 :			: >ghostname ( ghost -- adr len )
1001 :	jwilke	1.103	>ghost-name count ;
1002 :
1003 :			: forward? ( ghost -- flag )
1004 :			>magic @ <fwd> = ;
1005 :
1006 :			: undefined? ( ghost -- flag )
1007 :			>magic @ dup <fwd> = swap <skip> = or ;
1008 :
1009 :			: immediate? ( ghost -- flag )
1010 :			>magic @ <imm> = ;
1011 :
1012 :			Variable TWarnings
1013 :			TWarnings on
1014 :			Variable Exists-Warnings
1015 :			Exists-Warnings on
1016 :
1017 :			: exists-warning ( ghost -- ghost )
1018 :			TWarnings @ Exists-Warnings @ and
1019 :			IF dup >ghostname warnhead type ." exists " THEN ;
1020 :
1021 :			\ : HeaderGhost Ghost ;
1022 :
1023 :			Variable reuse-ghosts reuse-ghosts off
1024 :
1025 :			: HeaderGhost ( "name" -- ghost )
1026 :			>in @
1027 :			bl word count
1028 :			\ 2dup type space
1029 :			current-ghosts search-wordlist
1030 :			IF >body dup undefined? reuse-ghosts @ or
1031 :			IF nip EXIT
1032 :			ELSE exists-warning
1033 :			THEN
1034 :			drop >in !
1035 :			ELSE >in !
1036 :			THEN
1037 :			\ we keep the execution semantics of the prviously
1038 :			\ defined words, this is a workaround
1039 :			\ for the redefined \ until vocs work
1040 :			Make-Ghost ;
1041 :
1042 :	jwilke	1.78	: .ghost ( ghost -- ) >ghostname type ;
1043 :
1044 :	jwilke	1.77	\ ' >ghostname ALIAS @name
1045 :	jwilke	1.52
1046 :	jwilke	1.115	: findghost ( "ghostname" -- ghost )
1047 :			bl word gfind 0= ABORT" CROSS: Ghost don't exists" ;
1048 :
1049 :	jwilke	1.103	: [G'] ( -- ghost : name )
1050 :			\G ticks a ghost and returns its address
1051 :	jwilke	1.115	findghost
1052 :			state @ IF postpone literal THEN ; immediate
1053 :	jwilke	1.103
1054 :	jwilke	1.105	: g>xt ( ghost -- xt )
1055 :			\G Returns the xt (cfa) of a ghost. Issues a warning if undefined.
1056 :	jwilke	1.103	dup undefined? ABORT" CROSS: forward " >link @ ;
1057 :
1058 :	jwilke	1.105	: g>body ( ghost -- body )
1059 :			\G Returns the body-address (pfa) of a ghost.
1060 :			\G Issues a warning if undefined (a forward-reference).
1061 :			g>xt X >body ;
1062 :
1063 :	jwilke	1.103	1 Constant <label>
1064 :	jwilke	1.52
1065 :	jwilke	1.103	Struct
1066 :			\ bitmask of address type (not used for now)
1067 :			cell% field addr-type
1068 :			\ if this address is an xt, this field points to the ghost
1069 :			cell% field addr-xt-ghost
1070 :			\ a bit mask that tells as what part of the cell
1071 :			\ is refenced from an address pointer, used for assembler generation
1072 :			cell% field addr-refs
1073 :			End-Struct addr-struct
1074 :
1075 :			: %allocerase ( align size -- addr )
1076 :			dup >r %alloc dup r> erase ;
1077 :
1078 :			\ returns the addr struct, define it if 0 reference
1079 :			: define-addr-struct ( addr -- struct-addr )
1080 :			dup @ ?dup IF nip EXIT THEN
1081 :			addr-struct %allocerase tuck swap ! ;
1082 :	jwilke	1.75
1083 :	pazsan	1.118	>cross
1084 :
1085 :	jwilke	1.52	\ Predefined ghosts 12dec92py
1086 :
1087 :	jwilke	1.114	Ghost - drop \ need a ghost otherwise "-" would be treated as a number
1088 :
1089 :	jwilke	1.103	Ghost 0= drop
1090 :			Ghost branch Ghost ?branch 2drop
1091 :			Ghost unloop Ghost ;S 2drop
1092 :	pazsan	1.118	Ghost lit Ghost ! 2drop
1093 :			Ghost noop drop
1094 :	jwilke	1.103	Ghost over Ghost = Ghost drop 2drop drop
1095 :			Ghost 2drop drop
1096 :			Ghost 2dup drop
1097 :	jwilke	1.115	Ghost call drop
1098 :			Ghost @ drop
1099 :			Ghost useraddr drop
1100 :			Ghost execute drop
1101 :			Ghost + drop
1102 :			Ghost decimal drop
1103 :			Ghost hex drop
1104 :	pazsan	1.118	Ghost lit@ drop
1105 :			Ghost lit-perform drop
1106 :			Ghost lit+ drop
1107 :			Ghost does-exec drop
1108 :	jwilke	1.52
1109 :	pazsan	1.119	Ghost :docol Ghost :doesjump Ghost :dodoes 2drop drop
1110 :			Ghost :dovar drop
1111 :
1112 :	jwilke	1.52	\ \ Parameter for target systems 06oct92py
1113 :
1114 :	jwilke	1.103
1115 :	jwilke	1.52	\ we define it ans like...
1116 :			wordlist Constant target-environment
1117 :
1118 :	jwilke	1.103	\ save information of current dictionary to restore with environ>
1119 :			Variable env-current
1120 :	jwilke	1.52
1121 :			: >ENVIRON get-current env-current ! target-environment set-current ;
1122 :			: ENVIRON> env-current @ set-current ;
1123 :	pazsan	1.43
1124 :	anton	1.48	>TARGET
1125 :	pazsan	1.43
1126 :	jwilke	1.103	: environment? ( addr len -- [ x ] true \| false )
1127 :			\G returns the content of environment variable and true or
1128 :			\G false if not present
1129 :			target-environment search-wordlist
1130 :			IF EXECUTE true ELSE false THEN ;
1131 :
1132 :			: $has? ( addr len -- x \| false )
1133 :			\G returns the content of environment variable
1134 :			\G or false if not present
1135 :			T environment? H dup IF drop THEN ;
1136 :
1137 :			: e? ( "name" -- x )
1138 :			\G returns the content of environment variable.
1139 :			\G The variable is expected to exist. If not, issue an error.
1140 :			bl word count T environment? H
1141 :			0= ABORT" environment variable not defined!" ;
1142 :
1143 :			: has? ( "name" --- x \| false )
1144 :			\G returns the content of environment variable
1145 :			\G or false if not present
1146 :			bl word count T $has? H ;
1147 :	jwilke	1.52
1148 :	anton	1.48
1149 :	pazsan	1.54	>ENVIRON get-order get-current swap 1+ set-order
1150 :			true SetValue compiler
1151 :	pazsan	1.83	true SetValue cross
1152 :	pazsan	1.54	true SetValue standard-threading
1153 :			>TARGET previous
1154 :	jwilke	1.52
1155 :	jwilke	1.77	0
1156 :	jwilke	1.103	[IFDEF] mach-file drop mach-file count 1 [THEN]
1157 :			[IFDEF] machine-file drop machine-file 1 [THEN]
1158 :			[IF] included hex
1159 :	jwilke	1.77	[ELSE] cr ." No machine description!" ABORT
1160 :			[THEN]
1161 :	pazsan	1.43
1162 :	jwilke	1.53	>ENVIRON
1163 :
1164 :	pazsan	1.54	T has? ec H
1165 :			[IF]
1166 :			false DefaultValue relocate
1167 :			false DefaultValue file
1168 :			false DefaultValue OS
1169 :			false DefaultValue prims
1170 :			false DefaultValue floating
1171 :			false DefaultValue glocals
1172 :			false DefaultValue dcomps
1173 :			false DefaultValue hash
1174 :			false DefaultValue xconds
1175 :			false DefaultValue header
1176 :	jwilke	1.105	false DefaultValue backtrace
1177 :			false DefaultValue new-input
1178 :			false DefaultValue peephole
1179 :	pazsan	1.162	false DefaultValue primcentric
1180 :	jwilke	1.129	false DefaultValue abranch
1181 :	jwilke	1.139	true DefaultValue f83headerstring
1182 :	pazsan	1.141	true DefaultValue control-rack
1183 :	pazsan	1.54	[THEN]
1184 :
1185 :	jwilke	1.139	true DefaultValue gforthcross
1186 :	pazsan	1.54	true DefaultValue interpreter
1187 :			true DefaultValue ITC
1188 :			false DefaultValue rom
1189 :	pazsan	1.158	false DefaultValue flash
1190 :	jwilke	1.73	true DefaultValue standardthreading
1191 :	jwilke	1.53
1192 :	jwilke	1.139	\ ANSForth environment stuff
1193 :			8 DefaultValue ADDRESS-UNIT-BITS
1194 :			255 DefaultValue MAX-CHAR
1195 :			255 DefaultValue /COUNTED-STRING
1196 :
1197 :	jwilke	1.52	>TARGET
1198 :	jwilke	1.53	s" relocate" T environment? H
1199 :	jwilke	1.103	\ JAW why set NIL to this?!
1200 :			[IF] drop \ SetValue NIL
1201 :	jwilke	1.113	[ELSE] >ENVIRON X NIL SetValue relocate
1202 :	jwilke	1.53	[THEN]
1203 :	jwilke	1.113	>TARGET
1204 :
1205 :			0 Constant NIL
1206 :	pazsan	1.43
1207 :			>CROSS
1208 :
1209 :	jwilke	1.52	\ \ Create additional parameters 19jan95py
1210 :	pazsan	1.19
1211 :	jwilke	1.71	\ currently cross only works for host machines with address-unit-bits
1212 :			\ eual to 8 because of s! and sc!
1213 :			\ but I start to query the environment just to modularize a little bit
1214 :
1215 :			: check-address-unit-bits ( -- )
1216 :			\ s" ADDRESS-UNIT-BITS" environment?
1217 :			\ IF 8 <> ELSE true THEN
1218 :			\ ABORT" ADDRESS-UNIT-BITS unknown or not equal to 8!"
1219 :
1220 :			\ shit, this doesn't work because environment? is only defined for
1221 :			\ gforth.fi and not kernl???.fi
1222 :			;
1223 :
1224 :			check-address-unit-bits
1225 :			8 Constant bits/byte \ we define: byte is address-unit
1226 :
1227 :			1 bits/byte lshift Constant maxbyte
1228 :	jwilke	1.77	\ this sets byte size for the target machine, (probably right guess) jaw
1229 :	jwilke	1.67
1230 :	pazsan	1.19	T
1231 :	jwilke	1.71	NIL Constant TNIL
1232 :			cell Constant tcell
1233 :			cell<< Constant tcell<<
1234 :			cell>bit Constant tcell>bit
1235 :			bits/char Constant tbits/char
1236 :			bits/char H bits/byte T /
1237 :			Constant tchar
1238 :			float Constant tfloat
1239 :			1 bits/char lshift Constant tmaxchar
1240 :			[IFUNDEF] bits/byte
1241 :			8 Constant tbits/byte
1242 :			[ELSE]
1243 :			bits/byte Constant tbits/byte
1244 :			[THEN]
1245 :	pazsan	1.19	H
1246 :	pazsan	1.81	tbits/char bits/byte / Constant tbyte
1247 :	jwilke	1.71
1248 :	pazsan	1.164	: >signed ( u -- n )
1249 :			1 tbits/char tcell * 1- lshift 2dup and
1250 :			IF negate or ELSE drop THEN ;
1251 :	pazsan	1.19
1252 :	anton	1.48	\ Variables 06oct92py
1253 :
1254 :	jwilke	1.124	Variable (tlast)
1255 :			(tlast) Value tlast TNIL tlast ! \ Last name field
1256 :	anton	1.48	Variable tlastcfa \ Last code field
1257 :	jwilke	1.52
1258 :			\ statistics 10jun97jaw
1259 :
1260 :			Variable headers-named 0 headers-named !
1261 :			Variable user-vars 0 user-vars !
1262 :
1263 :	jwilke	1.67	: target>bitmask-size ( u1 -- u2 )
1264 :			1- tcell>bit rshift 1+ ;
1265 :
1266 :	jwilke	1.105	: allocatetarget ( size -- adr )
1267 :	jwilke	1.67	dup allocate ABORT" CROSS: No memory for target"
1268 :			swap over swap erase ;
1269 :	jwilke	1.52
1270 :	pazsan	1.54	\ \ memregion.fs
1271 :	jwilke	1.52
1272 :
1273 :			Variable last-defined-region \ pointer to last defined region
1274 :			Variable region-link \ linked list with all regions
1275 :			Variable mirrored-link \ linked list for mirrored regions
1276 :			0 dup mirrored-link ! region-link !
1277 :
1278 :	jwilke	1.139	: >rname 9 cells + ;
1279 :			: >rtouch 8 cells + ; \ executed when region is accessed
1280 :	jwilke	1.124	: >rbm 4 cells + ; \ bitfield per cell witch indicates relocation
1281 :	jwilke	1.103	: >rmem 5 cells + ;
1282 :	jwilke	1.124	: >rtype 6 cells + ; \ field per cell witch points to a type struct
1283 :			: >rrom 7 cells + ; \ a -1 indicates that this region is rom
1284 :	jwilke	1.67	: >rlink 3 cells + ;
1285 :	jwilke	1.52	: >rdp 2 cells + ;
1286 :			: >rlen cell+ ;
1287 :			: >rstart ;
1288 :
1289 :	jwilke	1.113	: (region) ( addr len region -- )
1290 :			\G change startaddress and length of an existing region
1291 :			>r r@ last-defined-region !
1292 :			r@ >rlen ! dup r@ >rstart ! r> >rdp ! ;
1293 :	jwilke	1.52
1294 :	jwilke	1.139	: uninitialized -1 ABORT" CROSS: Region is uninitialized" ;
1295 :
1296 :	jwilke	1.123	: region ( addr len -- "name" )
1297 :	jwilke	1.103	\G create a new region
1298 :	jwilke	1.52	\ check whether predefined region exists
1299 :			save-input bl word find >r >r restore-input throw r> r> 0=
1300 :			IF \ make region
1301 :			drop
1302 :			save-input create restore-input throw
1303 :			here last-defined-region !
1304 :			over ( startaddr ) , ( length ) , ( dp ) ,
1305 :	jwilke	1.139	region-link linked 0 , 0 , 0 , 0 ,
1306 :			['] uninitialized ,
1307 :			bl word count string,
1308 :	jwilke	1.52	ELSE \ store new parameters in region
1309 :			bl word drop
1310 :	jwilke	1.113	>body (region)
1311 :	jwilke	1.52	THEN ;
1312 :
1313 :	jwilke	1.103	: borders ( region -- startaddr endaddr )
1314 :			\G returns lower and upper region border
1315 :	jwilke	1.67	dup >rstart @ swap >rlen @ over + ;
1316 :	jwilke	1.52
1317 :	jwilke	1.103	: extent ( region -- startaddr len )
1318 :			\G returns the really used area
1319 :	jwilke	1.67	dup >rstart @ swap >rdp @ over - ;
1320 :	jwilke	1.52
1321 :	jwilke	1.103	: area ( region -- startaddr totallen )
1322 :			\G returns the total area
1323 :	jwilke	1.79	dup >rstart @ swap >rlen @ ;
1324 :	jwilke	1.52
1325 :	jwilke	1.139	: dp@ ( region -- dp )
1326 :			>rdp @ ;
1327 :
1328 :	jwilke	1.124	: mirrored ( -- )
1329 :			\G mark last defined region as mirrored
1330 :	jwilke	1.52	mirrored-link
1331 :	jwilke	1.68	align linked last-defined-region @ , ;
1332 :	jwilke	1.52
1333 :	jwilke	1.124	: writeprotected
1334 :			\G mark a region as write protected
1335 :			-1 last-defined-region @ >rrom ! ;
1336 :
1337 :	jwilke	1.67	: .addr ( u -- )
1338 :			\G prints a 16 or 32 Bit nice hex value
1339 :	jwilke	1.52	base @ >r hex
1340 :			tcell 2 u>
1341 :	jwilke	1.77	IF s>d <# # # # # [char] . hold # # # # #> type
1342 :	jwilke	1.52	ELSE s>d <# # # # # # #> type
1343 :	jwilke	1.103	THEN r> base ! space ;
1344 :	jwilke	1.52
1345 :			: .regions \G display region statistic
1346 :
1347 :			\ we want to list the regions in the right order
1348 :			\ so first collect all regions on stack
1349 :			0 region-link @
1350 :			BEGIN dup WHILE dup @ REPEAT drop
1351 :			BEGIN dup
1352 :	jwilke	1.67	WHILE cr
1353 :			0 >rlink - >r
1354 :			r@ >rname count tuck type
1355 :	jwilke	1.52	12 swap - 0 max spaces space
1356 :	jwilke	1.67	." Start: " r@ >rstart @ dup .addr space
1357 :			." End: " r@ >rlen @ + .addr space
1358 :			." DP: " r> >rdp @ .addr
1359 :	jwilke	1.52	REPEAT drop
1360 :	jwilke	1.53	s" rom" T $has? H 0= ?EXIT
1361 :	jwilke	1.52	cr ." Mirrored:"
1362 :			mirrored-link @
1363 :			BEGIN dup
1364 :	jwilke	1.67	WHILE space dup cell+ @ >rname count type @
1365 :	jwilke	1.52	REPEAT drop cr
1366 :			;
1367 :
1368 :			\ -------- predefined regions
1369 :
1370 :			0 0 region address-space
1371 :			\ total memory addressed and used by the target system
1372 :
1373 :	jwilke	1.139	0 0 region user-region
1374 :			\ data for user variables goes here
1375 :			\ this has to be defined before dictionary or ram-dictionary
1376 :
1377 :	jwilke	1.52	0 0 region dictionary
1378 :			\ rom area for the compiler
1379 :
1380 :	jwilke	1.53	T has? rom H
1381 :	jwilke	1.52	[IF]
1382 :			0 0 region ram-dictionary mirrored
1383 :			\ ram area for the compiler
1384 :			[ELSE]
1385 :			' dictionary ALIAS ram-dictionary
1386 :			[THEN]
1387 :
1388 :			0 0 region return-stack
1389 :
1390 :			0 0 region data-stack
1391 :
1392 :			0 0 region tib-region
1393 :
1394 :			' dictionary ALIAS rom-dictionary
1395 :
1396 :	jwilke	1.139	: setup-region ( region -- )
1397 :			>r
1398 :			\ allocate mem
1399 :			r@ >rlen @ allocatetarget
1400 :			r@ >rmem !
1401 :
1402 :			r@ >rlen @
1403 :			target>bitmask-size allocatetarget
1404 :			r@ >rbm !
1405 :
1406 :			r@ >rlen @
1407 :			tcell / 1+ cells allocatetarget r@ >rtype !
1408 :
1409 :			['] noop r@ >rtouch !
1410 :			rdrop ;
1411 :	jwilke	1.52
1412 :	jwilke	1.105	: setup-target ( -- ) \G initialize target's memory space
1413 :	jwilke	1.53	s" rom" T $has? H
1414 :	jwilke	1.52	IF \ check for ram and rom...
1415 :	jwilke	1.72	\ address-space area nip 0<>
1416 :	jwilke	1.67	ram-dictionary area nip 0<>
1417 :			rom-dictionary area nip 0<>
1418 :	jwilke	1.72	and 0=
1419 :	jwilke	1.52	ABORT" CROSS: define address-space, rom- , ram-dictionary, with rom-support!"
1420 :			THEN
1421 :			address-space area nip
1422 :			IF
1423 :			address-space area
1424 :			ELSE
1425 :			dictionary area
1426 :			THEN
1427 :	jwilke	1.67	nip 0=
1428 :	jwilke	1.52	ABORT" CROSS: define at least address-space or dictionary!!"
1429 :	jwilke	1.67
1430 :			\ allocate target for each region
1431 :			region-link
1432 :			BEGIN @ dup
1433 :			WHILE dup
1434 :			0 >rlink - >r
1435 :			r@ >rlen @
1436 :	jwilke	1.139	IF r@ setup-region
1437 :			THEN rdrop
1438 :	jwilke	1.72	REPEAT drop ;
1439 :
1440 :	jwilke	1.105	\ MakeKernel 22feb99jaw
1441 :	jwilke	1.72
1442 :	pazsan	1.134	: makekernel ( start targetsize -- )
1443 :	jwilke	1.113	\G convenience word to setup the memory of the target
1444 :			\G used by main.fs of the c-engine based systems
1445 :	pazsan	1.134	dictionary (region) setup-target ;
1446 :	jwilke	1.72
1447 :			>MINIMAL
1448 :			: makekernel makekernel ;
1449 :			>CROSS
1450 :	jwilke	1.52
1451 :	pazsan	1.54	\ \ switched tdp for rom support 03jun97jaw
1452 :	jwilke	1.52
1453 :			\ second value is here to store some maximal value for statistics
1454 :			\ tempdp is also embedded here but has nothing to do with rom support
1455 :			\ (needs switched dp)
1456 :
1457 :			variable tempdp 0 , \ temporary dp for resolving
1458 :			variable tempdp-save
1459 :
1460 :			0 [IF]
1461 :			variable romdp 0 , \ Dictionary-Pointer for ramarea
1462 :			variable ramdp 0 , \ Dictionary-Pointer for romarea
1463 :
1464 :			\
1465 :			variable sramdp \ start of ram-area for forth
1466 :			variable sromdp \ start of rom-area for forth
1467 :
1468 :			[THEN]
1469 :
1470 :	jwilke	1.123	0 Value current-region
1471 :			0 Value tdp
1472 :			Variable fixed \ flag: true: no automatic switching
1473 :	jwilke	1.52	\ false: switching is done automatically
1474 :
1475 :			\ Switch-Policy:
1476 :			\
1477 :			\ a header is always compiled into rom
1478 :			\ after a created word (create and variable) compilation goes to ram
1479 :			\
1480 :			\ Be careful: If you want to make the data behind create into rom
1481 :			\ you have to put >rom before create!
1482 :
1483 :			variable constflag constflag off
1484 :
1485 :	jwilke	1.67	: activate ( region -- )
1486 :			\G next code goes to this region
1487 :	jwilke	1.123	dup to current-region >rdp to tdp ;
1488 :	jwilke	1.67
1489 :	jwilke	1.52	: (switchram)
1490 :	jwilke	1.53	fixed @ ?EXIT s" rom" T $has? H 0= ?EXIT
1491 :	jwilke	1.67	ram-dictionary activate ;
1492 :	jwilke	1.52
1493 :			: switchram
1494 :			constflag @
1495 :			IF constflag off ELSE (switchram) THEN ;
1496 :
1497 :			: switchrom
1498 :	jwilke	1.67	fixed @ ?EXIT rom-dictionary activate ;
1499 :	jwilke	1.52
1500 :			: >tempdp ( addr -- )
1501 :			tdp tempdp-save ! tempdp to tdp tdp ! ;
1502 :			: tempdp> ( -- )
1503 :			tempdp-save @ to tdp ;
1504 :
1505 :			: >ram fixed off (switchram) fixed on ;
1506 :			: >rom fixed off switchrom fixed on ;
1507 :			: >auto fixed off switchrom ;
1508 :
1509 :
1510 :
1511 :			\ : romstart dup sromdp ! romdp ! ;
1512 :			\ : ramstart dup sramdp ! ramdp ! ;
1513 :
1514 :	jwilke	1.67	\ default compilation goes to rom
1515 :	jwilke	1.52	\ when romable support is off, only the rom switch is used (!!)
1516 :			>auto
1517 :
1518 :	anton	1.48	: there tdp @ ;
1519 :
1520 :	jwilke	1.52	>TARGET
1521 :	anton	1.48
1522 :	jwilke	1.52	\ \ Target Memory Handling
1523 :	anton	1.1
1524 :			\ Byte ordering and cell size 06oct92py
1525 :
1526 :	pazsan	1.19	: cell+ tcell + ;
1527 :			: cells tcell<< lshift ;
1528 :	jwilke	1.71	: chars tchar * ;
1529 :			: char+ tchar + ;
1530 :	pazsan	1.19	: floats tfloat * ;
1531 :	anton	1.6
1532 :	anton	1.1	>CROSS
1533 :	pazsan	1.19	: cell/ tcell<< rshift ;
1534 :	anton	1.1	>TARGET
1535 :			20 CONSTANT bl
1536 :	jwilke	1.52	\ TNIL Constant NIL
1537 :	anton	1.1
1538 :			>CROSS
1539 :
1540 :	pazsan	1.20	bigendian
1541 :			[IF]
1542 :	jwilke	1.106	: DS! ( d addr -- ) tcell bounds swap 1-
1543 :	pazsan	1.20	DO maxbyte ud/mod rot I c! -1 +LOOP 2drop ;
1544 :	jwilke	1.106	: DS@ ( addr -- d ) >r 0 0 r> tcell bounds
1545 :			DO maxbyte * swap maxbyte um* rot + swap I c@ + swap LOOP ;
1546 :	pazsan	1.57	: Sc! ( n addr -- ) >r s>d r> tchar bounds swap 1-
1547 :			DO maxbyte ud/mod rot I c! -1 +LOOP 2drop ;
1548 :			: Sc@ ( addr -- n ) >r 0 0 r> tchar bounds
1549 :			DO maxbyte * swap maxbyte um* rot + swap I c@ + swap LOOP d>s ;
1550 :	pazsan	1.19	[ELSE]
1551 :	jwilke	1.106	: DS! ( d addr -- ) tcell bounds
1552 :	pazsan	1.20	DO maxbyte ud/mod rot I c! LOOP 2drop ;
1553 :	jwilke	1.106	: DS@ ( addr -- n ) >r 0 0 r> tcell bounds swap 1-
1554 :			DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP ;
1555 :	pazsan	1.57	: Sc! ( n addr -- ) >r s>d r> tchar bounds
1556 :			DO maxbyte ud/mod rot I c! LOOP 2drop ;
1557 :			: Sc@ ( addr -- n ) >r 0 0 r> tchar bounds swap 1-
1558 :			DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP d>s ;
1559 :	anton	1.1	[THEN]
1560 :
1561 :	jwilke	1.106	: S! ( n addr -- ) >r s>d r> DS! ;
1562 :			: S@ ( addr -- n ) DS@ d>s ;
1563 :
1564 :	jwilke	1.67	: taddr>region ( taddr -- region \| 0 )
1565 :			\G finds for a target-address the correct region
1566 :			\G returns 0 if taddr is not in range of a target memory region
1567 :			region-link
1568 :			BEGIN @ dup
1569 :			WHILE dup >r
1570 :			0 >rlink - >r
1571 :			r@ >rlen @
1572 :			IF dup r@ borders within
1573 :	jwilke	1.139	IF r> r> drop nip
1574 :			dup >rtouch @ EXECUTE EXIT
1575 :			THEN
1576 :	jwilke	1.67	THEN
1577 :			r> drop
1578 :			r>
1579 :			REPEAT
1580 :			2drop 0 ;
1581 :
1582 :	jwilke	1.103	: taddr>region-abort ( taddr -- region \| 0 )
1583 :	jwilke	1.122	\G Same as taddr>region but aborts if taddr is not
1584 :			\G a valid address in the target address space
1585 :	jwilke	1.103	dup taddr>region dup 0=
1586 :			IF drop cr ." Wrong address: " .addr
1587 :			-1 ABORT" Address out of range!"
1588 :			THEN nip ;
1589 :
1590 :	jwilke	1.67	: (>regionimage) ( taddr -- 'taddr )
1591 :			dup
1592 :			\ find region we want to address
1593 :	jwilke	1.103	taddr>region-abort
1594 :	jwilke	1.67	>r
1595 :			\ calculate offset in region
1596 :			r@ >rstart @ -
1597 :			\ add regions real address in our memory
1598 :			r> >rmem @ + ;
1599 :
1600 :	jwilke	1.124	: (>regionramimage) ( taddr -- 'taddr )
1601 :			\G same as (>regionimage) but aborts if the region is rom
1602 :			dup
1603 :			\ find region we want to address
1604 :			taddr>region-abort
1605 :			>r
1606 :			r@ >rrom @ ABORT" CROSS: region is write-protected!"
1607 :			\ calculate offset in region
1608 :			r@ >rstart @ -
1609 :			\ add regions real address in our memory
1610 :			r> >rmem @ + ;
1611 :
1612 :	jwilke	1.103	: (>regionbm) ( taddr -- 'taddr bitmaskbaseaddr )
1613 :			dup
1614 :			\ find region we want to address
1615 :			taddr>region-abort
1616 :			>r
1617 :			\ calculate offset in region
1618 :			r@ >rstart @ -
1619 :			\ add regions real address in our memory
1620 :			r> >rbm @ ;
1621 :
1622 :			: (>regiontype) ( taddr -- 'taddr )
1623 :			dup
1624 :			\ find region we want to address
1625 :			taddr>region-abort
1626 :			>r
1627 :			\ calculate offset in region
1628 :			r@ >rstart @ - tcell / cells
1629 :			\ add regions real address in our memory
1630 :			r> >rtype @ + ;
1631 :
1632 :	anton	1.1	\ Bit string manipulation 06oct92py
1633 :			\ 9may93jaw
1634 :			CREATE Bittable 80 c, 40 c, 20 c, 10 c, 8 c, 4 c, 2 c, 1 c,
1635 :			: bits ( n -- n ) chars Bittable + c@ ;
1636 :
1637 :			: >bit ( addr n -- c-addr mask ) 8 /mod rot + swap bits ;
1638 :			: +bit ( addr n -- ) >bit over c@ or swap c! ;
1639 :	pazsan	1.4	: -bit ( addr n -- ) >bit invert over c@ and swap c! ;
1640 :	jwilke	1.67
1641 :	jwilke	1.103	: @relbit ( taddr -- f ) (>regionbm) swap cell/ >bit swap c@ and ;
1642 :
1643 :	jwilke	1.84	: (relon) ( taddr -- )
1644 :			[ [IFDEF] fd-relocation-table ]
1645 :			s" +" fd-relocation-table write-file throw
1646 :			dup s>d <# #s #> fd-relocation-table write-line throw
1647 :			[ [THEN] ]
1648 :	jwilke	1.103	(>regionbm) swap cell/ +bit ;
1649 :	jwilke	1.84
1650 :			: (reloff) ( taddr -- )
1651 :			[ [IFDEF] fd-relocation-table ]
1652 :			s" -" fd-relocation-table write-file throw
1653 :			dup s>d <# #s #> fd-relocation-table write-line throw
1654 :			[ [THEN] ]
1655 :	jwilke	1.103	(>regionbm) swap cell/ -bit ;
1656 :	jwilke	1.67
1657 :			DEFER >image
1658 :	jwilke	1.124	DEFER >ramimage
1659 :	jwilke	1.67	DEFER relon
1660 :			DEFER reloff
1661 :			DEFER correcter
1662 :
1663 :			T has? relocate H
1664 :			[IF]
1665 :			' (relon) IS relon
1666 :			' (reloff) IS reloff
1667 :	jwilke	1.103	' (>regionimage) IS >image
1668 :	jwilke	1.124	' (>regionimage) IS >ramimage
1669 :	jwilke	1.67	[ELSE]
1670 :			' drop IS relon
1671 :			' drop IS reloff
1672 :	jwilke	1.68	' (>regionimage) IS >image
1673 :	jwilke	1.124	' (>regionimage) IS >ramimage
1674 :	jwilke	1.67	[THEN]
1675 :	anton	1.1
1676 :	jwilke	1.124	: enforce-writeprotection ( -- )
1677 :			['] (>regionramimage) IS >ramimage ;
1678 :
1679 :			: relax-writeprotection ( -- )
1680 :			['] (>regionimage) IS >ramimage ;
1681 :
1682 :			: writeprotection-relaxed? ( -- )
1683 :			['] >ramimage >body @ ['] (>regionimage) = ;
1684 :
1685 :	anton	1.1	\ Target memory access 06oct92py
1686 :
1687 :			: align+ ( taddr -- rest )
1688 :	anton	1.48	tcell tuck 1- and - [ tcell 1- ] Literal and ;
1689 :	anton	1.22	: cfalign+ ( taddr -- rest )
1690 :	pazsan	1.39	\ see kernel.fs:cfaligned
1691 :	pazsan	1.43	/maxalign tuck 1- and - [ /maxalign 1- ] Literal and ;
1692 :	anton	1.1
1693 :			>TARGET
1694 :			: aligned ( taddr -- ta-addr ) dup align+ + ;
1695 :			\ assumes cell alignment granularity (as GNU C)
1696 :
1697 :	anton	1.22	: cfaligned ( taddr1 -- taddr2 )
1698 :	pazsan	1.39	\ see kernel.fs
1699 :	anton	1.22	dup cfalign+ + ;
1700 :
1701 :	jwilke	1.52	: @ ( taddr -- w ) >image S@ ;
1702 :	jwilke	1.124	: ! ( w taddr -- ) >ramimage S! ;
1703 :	pazsan	1.57	: c@ ( taddr -- char ) >image Sc@ ;
1704 :	jwilke	1.124	: c! ( char taddr -- ) >ramimage Sc! ;
1705 :	anton	1.7	: 2@ ( taddr -- x1 x2 ) T dup cell+ @ swap @ H ;
1706 :	pazsan	1.82	: 2! ( x1 x2 taddr -- ) T tuck ! cell+ ! H ;
1707 :	anton	1.1
1708 :			\ Target compilation primitives 06oct92py
1709 :			\ included A! 16may93jaw
1710 :
1711 :			: here ( -- there ) there ;
1712 :			: allot ( n -- ) tdp +! ;
1713 :	jwilke	1.78	: , ( w -- ) T here H tcell T allot ! H ;
1714 :			: c, ( char -- ) T here H tchar T allot c! H ;
1715 :			: align ( -- ) T here H align+ 0 ?DO bl T c, H tchar +LOOP ;
1716 :	anton	1.22	: cfalign ( -- )
1717 :	jwilke	1.78	T here H cfalign+ 0 ?DO bl T c, H tchar +LOOP ;
1718 :	anton	1.1
1719 :	jwilke	1.71	: >address dup 0>= IF tbyte / THEN ; \ ?? jaw
1720 :	pazsan	1.59	: A! swap >address swap dup relon T ! H ;
1721 :			: A, ( w -- ) >address T here H relon T , H ;
1722 :	anton	1.1
1723 :	pazsan	1.118	\ high-level ghosts
1724 :
1725 :			>CROSS
1726 :
1727 :			Ghost (do) Ghost (?do) 2drop
1728 :			Ghost (for) drop
1729 :			Ghost (loop) Ghost (+loop) 2drop
1730 :			Ghost (next) drop
1731 :	pazsan	1.170	Ghost !does drop
1732 :	anton	1.146	Ghost compile, drop
1733 :	pazsan	1.118	Ghost (.") Ghost (S") Ghost (ABORT") 2drop drop
1734 :	pazsan	1.130	Ghost (C") Ghost c(abort") Ghost type 2drop drop
1735 :	pazsan	1.118	Ghost ' drop
1736 :
1737 :			\ user ghosts
1738 :
1739 :			Ghost state drop
1740 :	jwilke	1.103
1741 :			\ \ -------------------- Host/Target copy etc. 29aug01jaw
1742 :
1743 :
1744 :			>CROSS
1745 :
1746 :	jwilke	1.107	: TD! >image DS! ;
1747 :			: TD@ >image DS@ ;
1748 :
1749 :	jwilke	1.103	: th-count ( taddr -- host-addr len )
1750 :			\G returns host address of target string
1751 :			assert1( tbyte 1 = )
1752 :			dup X c@ swap X char+ >image swap ;
1753 :
1754 :			: ht-move ( haddr taddr len -- )
1755 :			\G moves data from host-addr to destination in target-addr
1756 :			\G character by character
1757 :			swap -rot bounds ?DO I c@ over X c! X char+ LOOP drop ;
1758 :
1759 :			2Variable last-string
1760 :	pazsan	1.157	X has? rom [IF] $60 [ELSE] $00 [THEN] Constant header-masks
1761 :	jwilke	1.103
1762 :	pazsan	1.157	: ht-header, ( addr count -- )
1763 :			dup there swap last-string 2!
1764 :			dup header-masks or T c, H bounds ?DO I c@ T c, H LOOP ;
1765 :	jwilke	1.103	: ht-string, ( addr count -- )
1766 :			dup there swap last-string 2!
1767 :	pazsan	1.130	dup T c, H bounds ?DO I c@ T c, H LOOP ;
1768 :			: ht-mem, ( addr count )
1769 :			bounds ?DO I c@ T c, H LOOP ;
1770 :	jwilke	1.103
1771 :			>TARGET
1772 :
1773 :			: count dup X c@ swap X char+ swap ;
1774 :	jwilke	1.110
1775 :	pazsan	1.149	: on >r -1 -1 r> TD! ;
1776 :	jwilke	1.103	: off T 0 swap ! H ;
1777 :	anton	1.1
1778 :	jwilke	1.107	: tcmove ( source dest len -- )
1779 :			\G cmove in target memory
1780 :			tchar * bounds
1781 :			?DO dup T c@ H I T c! H 1+
1782 :			tchar +LOOP drop ;
1783 :
1784 :	pazsan	1.154	: tcallot ( char size -- )
1785 :			0 ?DO dup T c, H tchar +LOOP drop ;
1786 :
1787 :	jwilke	1.107	: td, ( d -- )
1788 :			\G Store a host value as one cell into the target
1789 :			there tcell X allot TD! ;
1790 :
1791 :			\ \ Load Assembler
1792 :
1793 :			>TARGET
1794 :			H also Forth definitions
1795 :
1796 :			\ FIXME: should we include the assembler really in the forth
1797 :			\ dictionary?!?!?!? This conflicts with the existing assembler
1798 :			\ of the host forth system!!
1799 :			[IFDEF] asm-include asm-include [THEN] hex
1800 :
1801 :			previous
1802 :
1803 :
1804 :	jwilke	1.52	>CROSS
1805 :
1806 :	jwilke	1.103	: (cc) T a, H ; ' (cc) plugin-of colon,
1807 :	jwilke	1.105	: (prim) T a, H ; ' (prim) plugin-of prim,
1808 :	jwilke	1.52
1809 :	pazsan	1.118	: (cr) >tempdp colon, tempdp> ; ' (cr) plugin-of colon-resolve
1810 :	jwilke	1.103	: (ar) T ! H ; ' (ar) plugin-of addr-resolve
1811 :	pazsan	1.54	: (dr) ( ghost res-pnt target-addr addr )
1812 :			>tempdp drop over
1813 :			dup >magic @ <do:> =
1814 :			IF doer,
1815 :			ELSE dodoes,
1816 :			THEN
1817 :	jwilke	1.103	tempdp> ; ' (dr) plugin-of doer-resolve
1818 :	pazsan	1.54
1819 :			: (cm) ( -- addr )
1820 :	jwilke	1.121	there -1 colon, ; ' (cm) plugin-of colonmark,
1821 :	anton	1.1
1822 :	jwilke	1.52	>TARGET
1823 :	jwilke	1.105	: compile, ( xt -- )
1824 :	jwilke	1.107	dup xt>ghost >comp @ EXECUTE ;
1825 :	jwilke	1.52	>CROSS
1826 :	anton	1.1
1827 :	jwilke	1.102	\ resolve structure
1828 :
1829 :			: >next ; \ link to next field
1830 :			: >tag cell+ ; \ indecates type of reference: 0: call, 1: address, 2: doer
1831 :			: >taddr cell+ cell+ ;
1832 :			: >ghost 3 cells + ;
1833 :			: >file 4 cells + ;
1834 :			: >line 5 cells + ;
1835 :
1836 :			: (refered) ( ghost addr tag -- )
1837 :			\G creates a reference to ghost at address taddr
1838 :	jwilke	1.103	>space
1839 :			rot >link linked
1840 :	jwilke	1.102	( taddr tag ) ,
1841 :			( taddr ) ,
1842 :			last-header-ghost @ ,
1843 :			loadfile ,
1844 :			sourceline# ,
1845 :	jwilke	1.103	space>
1846 :	pazsan	1.118	;
1847 :
1848 :	jwilke	1.52	: refered ( ghost tag -- )
1849 :	jwilke	1.53	\G creates a resolve structure
1850 :	pazsan	1.54	T here aligned H swap (refered)
1851 :			;
1852 :
1853 :			: killref ( addr ghost -- )
1854 :			\G kills a forward reference to ghost at position addr
1855 :			\G this is used to eleminate a :dovar refence after making a DOES>
1856 :			dup >magic @ <fwd> <> IF 2drop EXIT THEN
1857 :			swap >r >link
1858 :			BEGIN dup @ dup ( addr last this )
1859 :			WHILE dup >taddr @ r@ =
1860 :			IF @ over !
1861 :			ELSE nip THEN
1862 :			REPEAT rdrop 2drop
1863 :	jwilke	1.53	;
1864 :	anton	1.48
1865 :	jwilke	1.52	Defer resolve-warning
1866 :	anton	1.1
1867 :	jwilke	1.52	: reswarn-test ( ghost res-struct -- ghost res-struct )
1868 :	jwilke	1.78	over cr ." Resolving " .ghost dup ." in " >ghost @ .ghost ;
1869 :	anton	1.1
1870 :	jwilke	1.52	: reswarn-forward ( ghost res-struct -- ghost res-struct )
1871 :	jwilke	1.78	over warnhead .ghost dup ." is referenced in "
1872 :			>ghost @ .ghost ;
1873 :	anton	1.1
1874 :	jwilke	1.52	\ ' reswarn-test IS resolve-warning
1875 :
1876 :	anton	1.1	\ resolve 14oct92py
1877 :
1878 :	pazsan	1.54	: resolve-loop ( ghost resolve-list tcfa -- )
1879 :			>r
1880 :			BEGIN dup WHILE
1881 :			\ dup >tag @ 2 = IF reswarn-forward THEN
1882 :			resolve-warning
1883 :			r@ over >taddr @
1884 :			2 pick >tag @
1885 :			CASE 0 OF colon-resolve ENDOF
1886 :			1 OF addr-resolve ENDOF
1887 :			2 OF doer-resolve ENDOF
1888 :			ENDCASE
1889 :			@ \ next list element
1890 :			REPEAT 2drop rdrop
1891 :			;
1892 :	jwilke	1.52
1893 :			\ : resolve-loop ( ghost tcfa -- ghost tcfa )
1894 :			\ >r dup >link @
1895 :			\ BEGIN dup WHILE dup T @ H r@ rot T ! H REPEAT drop r> ;
1896 :	anton	1.1
1897 :			\ exists 9may93jaw
1898 :
1899 :	jwilke	1.103	: exists ( ghost tcfa -- )
1900 :			\G print warning and set new target link in ghost
1901 :			swap exists-warning
1902 :			>link ! ;
1903 :	jwilke	1.52
1904 :	jwilke	1.105	: colon-resolved ( ghost -- )
1905 :	jwilke	1.121	\ compiles a call to a colon definition,
1906 :			\ compile action for >comp field
1907 :			>link @ colon, ;
1908 :	jwilke	1.105
1909 :			: prim-resolved ( ghost -- )
1910 :	jwilke	1.121	\ compiles a call to a primitive
1911 :	jwilke	1.105	>link @ prim, ;
1912 :
1913 :	jwilke	1.121	: (is-forward) ( ghost -- )
1914 :			colonmark, 0 (refered) ; \ compile space for call
1915 :			' (is-forward) IS is-forward
1916 :
1917 :	pazsan	1.118	0 Value resolved
1918 :	anton	1.1
1919 :	jwilke	1.122	: resolve-forward-references ( ghost resolve-list -- )
1920 :			\ loop through forward referencies
1921 :			comp-state @ >r Resolving comp-state !
1922 :			over >link @ resolve-loop
1923 :			r> comp-state !
1924 :
1925 :			['] noop IS resolve-warning ;
1926 :
1927 :
1928 :			: (resolve) ( ghost tcfa -- ghost resolve-list )
1929 :			\ check for a valid address, it is a primitive reference
1930 :			\ otherwise
1931 :	jwilke	1.103	dup taddr>region 0<> IF
1932 :	jwilke	1.122	\ define this address in the region address type table
1933 :	jwilke	1.103	2dup (>regiontype) define-addr-struct addr-xt-ghost
1934 :			\ we define new address only if empty
1935 :	jwilke	1.105	\ this is for not to take over the alias ghost
1936 :			\ (different ghost, but identical xt)
1937 :	jwilke	1.103	\ but the very first that really defines it
1938 :			dup @ 0= IF ! ELSE 2drop THEN
1939 :			THEN
1940 :	jwilke	1.122	swap >r
1941 :	pazsan	1.118	r@ to resolved
1942 :	jwilke	1.121
1943 :			\ r@ >comp @ ['] is-forward =
1944 :			\ ABORT" >comp action not set on a resolved ghost"
1945 :
1946 :			\ copmile action defaults to colon-resolved
1947 :			\ if this is not right something must be set before
1948 :			\ calling resolve
1949 :			r@ >comp @ ['] is-forward = IF
1950 :	jwilke	1.122	['] colon-resolved r@ >comp !
1951 :			THEN
1952 :			r@ >link @ swap \ ( list tcfa R: ghost )
1953 :			\ mark ghost as resolved
1954 :			r@ >link ! <res> r@ >magic !
1955 :			r> swap ;
1956 :	pazsan	1.54
1957 :	jwilke	1.122	: resolve ( ghost tcfa -- )
1958 :			\G resolve referencies to ghost with tcfa
1959 :			\ is ghost resolved?, second resolve means another
1960 :			\ definition with the same name
1961 :			over undefined? 0= IF exists EXIT THEN
1962 :			(resolve)
1963 :			( ghost resolve-list )
1964 :			resolve-forward-references ;
1965 :
1966 :			: resolve-noforwards ( ghost tcfa -- )
1967 :			\G Same as resolve but complain if there are any
1968 :			\G forward references on this ghost
1969 :			\ is ghost resolved?, second resolve means another
1970 :			\ definition with the same name
1971 :			over undefined? 0= IF exists EXIT THEN
1972 :			(resolve)
1973 :			IF cr ." No forward references allowed on: " .ghost cr
1974 :			-1 ABORT" Illegal forward reference"
1975 :			THEN
1976 :			drop ;
1977 :	anton	1.1
1978 :			\ gexecute ghost, 01nov92py
1979 :
1980 :	jwilke	1.103	: (gexecute) ( ghost -- )
1981 :	jwilke	1.105	dup >comp @ EXECUTE ;
1982 :	jwilke	1.103
1983 :			: gexecute ( ghost -- )
1984 :	jwilke	1.120	dup >magic @ <imm> = ABORT" CROSS: gexecute on immediate word"
1985 :	jwilke	1.103	(gexecute) ;
1986 :	jwilke	1.52
1987 :			: addr, ( ghost -- )
1988 :	jwilke	1.105	dup forward? IF 1 refered 0 T a, H ELSE >link @ T a, H THEN ;
1989 :	jwilke	1.52
1990 :	anton	1.1	\ .unresolved 11may93jaw
1991 :
1992 :			variable ResolveFlag
1993 :
1994 :			\ ?touched 11may93jaw
1995 :
1996 :	jwilke	1.52	: ?touched ( ghost -- flag ) dup forward? swap >link @
1997 :	anton	1.1	0 <> and ;
1998 :
1999 :	jwilke	1.53	: .forwarddefs ( ghost -- )
2000 :	jwilke	1.103	." appeared in:"
2001 :			>link
2002 :			BEGIN @ dup
2003 :			WHILE cr 5 spaces
2004 :			dup >ghost @ .ghost
2005 :			." file " dup >file @ ?dup IF count type ELSE ." CON" THEN
2006 :			." line " dup >line @ .dec
2007 :			REPEAT
2008 :			drop ;
2009 :
2010 :			: ?resolved ( ghost -- )
2011 :			dup ?touched
2012 :			IF ResolveFlag on
2013 :			dup cr .ghost .forwarddefs
2014 :	jwilke	1.53	ELSE drop
2015 :			THEN ;
2016 :	anton	1.1
2017 :			: .unresolved ( -- )
2018 :			ResolveFlag off cr ." Unresolved: "
2019 :	jwilke	1.103	ghost-list
2020 :	anton	1.1	BEGIN @ dup
2021 :			WHILE dup ?resolved
2022 :	anton	1.10	REPEAT drop ResolveFlag @
2023 :			IF
2024 :	anton	1.48	-1 abort" Unresolved words!"
2025 :	anton	1.10	ELSE
2026 :			." Nothing!"
2027 :			THEN
2028 :			cr ;
2029 :	anton	1.1
2030 :	jwilke	1.52	: .stats
2031 :			base @ >r decimal
2032 :			cr ." named Headers: " headers-named @ .
2033 :			r> base ! ;
2034 :
2035 :	jwilke	1.79	>MINIMAL
2036 :
2037 :			: .unresolved .unresolved ;
2038 :
2039 :	anton	1.1	>CROSS
2040 :			\ Header states 12dec92py
2041 :
2042 :	jwilke	1.102	\ : flag! ( 8b -- ) tlast @ dup >r T c@ xor r> c! H ;
2043 :	pazsan	1.142	X has? f83headerstring bigendian or [IF] 0 [ELSE] tcell 1- [THEN] Constant flag+
2044 :	pazsan	1.90	: flag! ( w -- ) tlast @ flag+ + dup >r T c@ xor r> c! H ;
2045 :	anton	1.1
2046 :			VARIABLE ^imm
2047 :
2048 :	jwilke	1.105	\ !! should be target wordsize specific
2049 :			$80 constant alias-mask
2050 :			$40 constant immediate-mask
2051 :			$20 constant restrict-mask
2052 :
2053 :	anton	1.1	>TARGET
2054 :	jwilke	1.105	: immediate immediate-mask flag!
2055 :	pazsan	1.18	^imm @ @ dup <imm> = IF drop EXIT THEN
2056 :	anton	1.1	<res> <> ABORT" CROSS: Cannot immediate a unresolved word"
2057 :			<imm> ^imm @ ! ;
2058 :	jwilke	1.105	: restrict restrict-mask flag! ;
2059 :	jwilke	1.52
2060 :	pazsan	1.54	: isdoer
2061 :			\G define a forth word as doer, this makes obviously only sence on
2062 :			\G forth processors such as the PSC1000
2063 :			<do:> last-header-ghost @ >magic ! ;
2064 :	anton	1.1	>CROSS
2065 :
2066 :			\ Target Header Creation 01nov92py
2067 :
2068 :	jwilke	1.103	: ht-lstring, ( addr count -- )
2069 :	jwilke	1.102	dup T , H bounds ?DO I c@ T c, H LOOP ;
2070 :
2071 :	jwilke	1.103	>TARGET
2072 :	jwilke	1.139	X has? f83headerstring [IF]
2073 :	pazsan	1.157	: name, ( "name" -- ) bl word count ht-header, X cfalign ;
2074 :	jwilke	1.139	[ELSE]
2075 :	jwilke	1.103	: name, ( "name" -- ) bl word count ht-lstring, X cfalign ;
2076 :	jwilke	1.139	[THEN]
2077 :	anton	1.1	: view, ( -- ) ( dummy ) ;
2078 :	jwilke	1.52	>CROSS
2079 :	anton	1.1
2080 :	pazsan	1.25	\ Target Document Creation (goes to crossdoc.fd) 05jul95py
2081 :
2082 :	pazsan	1.55	s" ./doc/crossdoc.fd" r/w create-file throw value doc-file-id
2083 :	pazsan	1.25	\ contains the file-id of the documentation file
2084 :
2085 :	pazsan	1.40	: T-\G ( -- )
2086 :	pazsan	1.25	source >in @ /string doc-file-id write-line throw
2087 :	pazsan	1.40	postpone \ ;
2088 :	pazsan	1.25
2089 :	pazsan	1.39	Variable to-doc to-doc on
2090 :	pazsan	1.25
2091 :			: cross-doc-entry ( -- )
2092 :			to-doc @ tlast @ 0<> and \ not an anonymous (i.e. noname) header
2093 :			IF
2094 :			s" " doc-file-id write-line throw
2095 :			s" make-doc " doc-file-id write-file throw
2096 :	jwilke	1.102
2097 :	jwilke	1.105	Last-Header-Ghost @ >ghostname doc-file-id write-file throw
2098 :	pazsan	1.25	>in @
2099 :			[char] ( parse 2drop
2100 :			[char] ) parse doc-file-id write-file throw
2101 :			s" )" doc-file-id write-file throw
2102 :			[char] \ parse 2drop
2103 :	pazsan	1.40	T-\G
2104 :	pazsan	1.25	>in !
2105 :	pazsan	1.39	THEN ;
2106 :	pazsan	1.25
2107 :	pazsan	1.28	\ Target TAGS creation
2108 :
2109 :	pazsan	1.39	s" kernel.TAGS" r/w create-file throw value tag-file-id
2110 :	pazsan	1.116	s" kernel.tags" r/w create-file throw value vi-tag-file-id
2111 :	pazsan	1.28	\ contains the file-id of the tags file
2112 :
2113 :	anton	1.137	Create tag-beg 1 c, 7F c,
2114 :			Create tag-end 1 c, 01 c,
2115 :	pazsan	1.28	Create tag-bof 1 c, 0C c,
2116 :	pazsan	1.116	Create tag-tab 1 c, 09 c,
2117 :	pazsan	1.28
2118 :			2variable last-loadfilename 0 0 last-loadfilename 2!
2119 :
2120 :			: put-load-file-name ( -- )
2121 :	jwilke	1.77	sourcefilename last-loadfilename 2@ d<>
2122 :	pazsan	1.28	IF
2123 :			tag-bof count tag-file-id write-line throw
2124 :	anton	1.31	sourcefilename 2dup
2125 :	pazsan	1.28	tag-file-id write-file throw
2126 :			last-loadfilename 2!
2127 :			s" ,0" tag-file-id write-line throw
2128 :			THEN ;
2129 :
2130 :	pazsan	1.116	: cross-gnu-tag-entry ( -- )
2131 :	pazsan	1.28	tlast @ 0<> \ not an anonymous (i.e. noname) header
2132 :			IF
2133 :			put-load-file-name
2134 :			source >in @ min tag-file-id write-file throw
2135 :			tag-beg count tag-file-id write-file throw
2136 :	pazsan	1.116	Last-Header-Ghost @ >ghostname tag-file-id write-file throw
2137 :	pazsan	1.28	tag-end count tag-file-id write-file throw
2138 :	anton	1.31	base @ decimal sourceline# 0 <# #s #> tag-file-id write-file throw
2139 :	pazsan	1.28	\ >in @ 0 <# #s [char] , hold #> tag-file-id write-line throw
2140 :			s" ,0" tag-file-id write-line throw
2141 :			base !
2142 :			THEN ;
2143 :	pazsan	1.116
2144 :			: cross-vi-tag-entry ( -- )
2145 :			tlast @ 0<> \ not an anonymous (i.e. noname) header
2146 :			IF
2147 :			sourcefilename vi-tag-file-id write-file throw
2148 :			tag-tab count vi-tag-file-id write-file throw
2149 :			Last-Header-Ghost @ >ghostname vi-tag-file-id write-file throw
2150 :			tag-tab count vi-tag-file-id write-file throw
2151 :			s" /^" vi-tag-file-id write-file throw
2152 :			source vi-tag-file-id write-file throw
2153 :			s" $/" vi-tag-file-id write-line throw
2154 :			THEN ;
2155 :
2156 :			: cross-tag-entry ( -- )
2157 :			cross-gnu-tag-entry
2158 :			cross-vi-tag-entry ;
2159 :	pazsan	1.28
2160 :	pazsan	1.43	\ Check for words
2161 :
2162 :			Defer skip? ' false IS skip?
2163 :
2164 :	jwilke	1.103	: skipdef ( "name" -- )
2165 :	jwilke	1.79	\G skip definition of an undefined word in undef-words and
2166 :			\G all-words mode
2167 :	jwilke	1.103	Ghost dup forward?
2168 :	jwilke	1.75	IF >magic <skip> swap !
2169 :			ELSE drop THEN ;
2170 :
2171 :	jwilke	1.103	: tdefined? ( "name" -- flag )
2172 :			Ghost undefined? 0= ;
2173 :	jwilke	1.75
2174 :	jwilke	1.103	: defined2? ( "name" -- flag )
2175 :	jwilke	1.75	\G return true for anything else than forward, even for <skip>
2176 :			\G that's what we want
2177 :	jwilke	1.103	Ghost forward? 0= ;
2178 :	pazsan	1.43
2179 :	jwilke	1.103	: forced? ( "name" -- flag )
2180 :	jwilke	1.79	\G return ture if it is a foreced skip with defskip
2181 :	jwilke	1.103	Ghost >magic @ <skip> = ;
2182 :	jwilke	1.79
2183 :	pazsan	1.43	: needed? ( -- flag ) \ name
2184 :	anton	1.48	\G returns a false flag when
2185 :			\G a word is not defined
2186 :			\G a forward reference exists
2187 :			\G so the definition is not skipped!
2188 :			bl word gfind
2189 :	jwilke	1.75	IF dup undefined?
2190 :	anton	1.48	nip
2191 :			0=
2192 :			ELSE drop true THEN ;
2193 :	pazsan	1.43
2194 :	jwilke	1.139	: doer? ( "name" -- 0 \| addr ) \ name
2195 :			Ghost dup >magic @ <do:> =
2196 :			IF >link @ ELSE drop 0 THEN ;
2197 :	pazsan	1.44
2198 :	pazsan	1.43	: skip-defs ( -- )
2199 :			BEGIN refill WHILE source -trailing nip 0= UNTIL THEN ;
2200 :
2201 :	pazsan	1.28	\ Target header creation
2202 :
2203 :	pazsan	1.54	Variable NoHeaderFlag
2204 :			NoHeaderFlag off
2205 :	anton	1.1
2206 :	pazsan	1.54	: 0.r ( n1 n2 -- )
2207 :			base @ >r hex
2208 :			0 swap <# 0 ?DO # LOOP #> type
2209 :			r> base ! ;
2210 :	jwilke	1.84
2211 :			: .sym ( adr len -- )
2212 :			\G escapes / and \ to produce sed output
2213 :	jwilke	1.52	bounds
2214 :			DO I c@ dup
2215 :	jwilke	1.77	CASE [char] / OF drop ." \/" ENDOF
2216 :			[char] \ OF drop ." \\" ENDOF
2217 :	jwilke	1.52	dup OF emit ENDOF
2218 :			ENDCASE
2219 :	pazsan	1.54	LOOP ;
2220 :	jwilke	1.52
2221 :	pazsan	1.147	Defer setup-execution-semantics ' noop IS setup-execution-semantics
2222 :	jwilke	1.103	0 Value lastghost
2223 :
2224 :			: (THeader ( "name" -- ghost )
2225 :	pazsan	1.54	\ >in @ bl word count type 2 spaces >in !
2226 :			\ wordheaders will always be compiled to rom
2227 :			switchrom
2228 :			\ build header in target
2229 :			NoHeaderFlag @
2230 :			IF NoHeaderFlag off
2231 :			ELSE
2232 :			T align H view,
2233 :	jwilke	1.78	tlast @ dup 0> IF tcell - THEN T A, H there tlast !
2234 :	pazsan	1.54	1 headers-named +! \ Statistic
2235 :			>in @ T name, H >in !
2236 :			THEN
2237 :			T cfalign here H tlastcfa !
2238 :	jwilke	1.84	\ Old Symbol table sed-script
2239 :	pazsan	1.54	\ >in @ cr ." sym:s/CFA=" there 4 0.r ." /" bl word count .sym ." /g" cr >in !
2240 :	jwilke	1.103	HeaderGhost
2241 :	jwilke	1.84	\ output symbol table to extra file
2242 :	jwilke	1.123	dup >ghostname there symentry
2243 :	jwilke	1.103	dup Last-Header-Ghost ! dup to lastghost
2244 :	pazsan	1.54	dup >magic ^imm ! \ a pointer for immediate
2245 :	jwilke	1.105	alias-mask flag!
2246 :	jwilke	1.103	cross-doc-entry cross-tag-entry
2247 :			setup-execution-semantics
2248 :			;
2249 :	anton	1.1
2250 :	jwilke	1.52	\ this is the resolver information from ":"
2251 :			\ resolving is done by ";"
2252 :	jwilke	1.103	Variable ;Resolve 1 cells allot
2253 :
2254 :			: hereresolve ( ghost -- )
2255 :			there resolve 0 ;Resolve ! ;
2256 :	anton	1.1
2257 :	pazsan	1.11	: Theader ( "name" -- ghost )
2258 :	jwilke	1.103	(THeader dup hereresolve ;
2259 :
2260 :			Variable aprim-nr -20 aprim-nr !
2261 :
2262 :			: copy-execution-semantics ( ghost-from ghost-dest -- )
2263 :			>r
2264 :			dup >exec @ r@ >exec !
2265 :	pazsan	1.117	dup >comp @ r@ >comp !
2266 :	jwilke	1.103	dup >exec2 @ r@ >exec2 !
2267 :			dup >exec-compile @ r@ >exec-compile !
2268 :			dup >ghost-xt @ r@ >ghost-xt !
2269 :			dup >created @ r@ >created !
2270 :			rdrop drop ;
2271 :	anton	1.1
2272 :			>TARGET
2273 :	jwilke	1.103
2274 :	anton	1.1	: Alias ( cfa -- ) \ name
2275 :	jwilke	1.103	>in @ skip? IF 2drop EXIT THEN >in !
2276 :			(THeader ( S xt ghost )
2277 :	jwilke	1.105	2dup swap xt>ghost swap copy-execution-semantics
2278 :			over resolve T A, H alias-mask flag! ;
2279 :	jwilke	1.103
2280 :			Variable last-prim-ghost
2281 :			0 last-prim-ghost !
2282 :
2283 :			: asmprimname, ( ghost -- : name )
2284 :			dup last-prim-ghost !
2285 :			>r
2286 :			here bl word count string, r@ >asm-name !
2287 :			aprim-nr @ r> >asm-dummyaddr ! ;
2288 :
2289 :			Defer setup-prim-semantics
2290 :
2291 :	jwilke	1.112	: mapprim ( "forthname" "asmlabel" -- )
2292 :	jwilke	1.103	THeader -1 aprim-nr +! aprim-nr @ T A, H
2293 :			asmprimname,
2294 :			setup-prim-semantics ;
2295 :
2296 :	jwilke	1.112	: mapprim: ( "forthname" "asmlabel" -- )
2297 :	jwilke	1.103	-1 aprim-nr +! aprim-nr @
2298 :	jwilke	1.122	Ghost tuck swap resolve-noforwards <do:> swap tuck >magic !
2299 :	jwilke	1.103	asmprimname, ;
2300 :
2301 :	pazsan	1.119	: Doer: ( cfa -- ) \ name
2302 :	jwilke	1.103	>in @ skip? IF 2drop EXIT THEN >in !
2303 :			dup 0< s" prims" T $has? H 0= and
2304 :			IF
2305 :			.sourcepos ." needs doer: " >in @ bl word count type >in ! cr
2306 :			THEN
2307 :	pazsan	1.119	Ghost
2308 :	jwilke	1.122	tuck swap resolve-noforwards <do:> swap >magic ! ;
2309 :	pazsan	1.64
2310 :			Variable prim#
2311 :			: first-primitive ( n -- ) prim# ! ;
2312 :	pazsan	1.132	: group 0 word drop prim# @ 1- -$200 and prim# ! ;
2313 :	pazsan	1.140	: groupadd ( n -- ) drop ;
2314 :	pazsan	1.64	: Primitive ( -- ) \ name
2315 :	pazsan	1.117	>in @ skip? IF drop EXIT THEN >in !
2316 :			s" prims" T $has? H 0=
2317 :	jwilke	1.103	IF
2318 :			.sourcepos ." needs prim: " >in @ bl word count type >in ! cr
2319 :			THEN
2320 :			prim# @ (THeader ( S xt ghost )
2321 :	jwilke	1.121	['] prim-resolved over >comp !
2322 :	jwilke	1.105	dup >ghost-flags <primitive> set-flag
2323 :	pazsan	1.163	s" EC" T $has? H 0=
2324 :			IF
2325 :	pazsan	1.164	over resolve-noforwards T A, H
2326 :	pazsan	1.163	alias-mask flag!
2327 :	pazsan	1.164	ELSE
2328 :			T here H resolve-noforwards T A, H
2329 :	pazsan	1.163	THEN
2330 :	jwilke	1.103	-1 prim# +! ;
2331 :	anton	1.1	>CROSS
2332 :
2333 :			\ Conditionals and Comments 11may93jaw
2334 :
2335 :	jwilke	1.103	\G saves the existing cond action, this is used for redefining in
2336 :			\G instant
2337 :			Variable cond-xt-old
2338 :
2339 :			: cond-target ( -- )
2340 :			\G Compiles semantic of redefined cond into new one
2341 :			cond-xt-old @ compile, ; immediate restrict
2342 :
2343 :	anton	1.1	: ;Cond
2344 :			postpone ;
2345 :			swap ! ; immediate
2346 :
2347 :	jwilke	1.103	: Cond: ( "name" -- )
2348 :			\g defines a conditional or another word that must
2349 :			\g be executed directly while compiling
2350 :			\g these words have no interpretative semantics by default
2351 :			Ghost
2352 :			>exec-compile
2353 :			dup @ cond-xt-old !
2354 :	anton	1.1	:NONAME ;
2355 :
2356 :
2357 :			: Comment ( -- )
2358 :	jwilke	1.103	>in @ Ghost swap >in ! ' swap
2359 :			2dup >exec-compile ! >exec ! ;
2360 :	anton	1.1
2361 :			Comment ( Comment \
2362 :
2363 :			\ compile 10may93jaw
2364 :
2365 :	jwilke	1.103	: compile ( "name" -- ) \ name
2366 :	jwilke	1.115	findghost
2367 :	jwilke	1.103	dup >exec-compile @ ?dup
2368 :			IF nip compile,
2369 :			ELSE postpone literal postpone gexecute THEN ; immediate restrict
2370 :
2371 :	jwilke	1.52	>TARGET
2372 :
2373 :	jwilke	1.105	: ' ( -- xt )
2374 :			\G returns the target-cfa of a ghost
2375 :	jwilke	1.52	bl word gfind 0= ABORT" CROSS: Ghost don't exists"
2376 :	jwilke	1.105	g>xt ;
2377 :	jwilke	1.52
2378 :	jwilke	1.103	\ FIXME: this works for the current use cases, but is not
2379 :			\ in all cases correct ;-)
2380 :			: comp' X ' 0 ;
2381 :
2382 :	jwilke	1.52	Cond: ['] T ' H alit, ;Cond
2383 :
2384 :			>CROSS
2385 :
2386 :			: [T']
2387 :			\ returns the target-cfa of a ghost, or compiles it as literal
2388 :	jwilke	1.115	postpone [G']
2389 :			state @ IF postpone g>xt ELSE g>xt THEN ; immediate
2390 :	pazsan	1.42
2391 :	jwilke	1.52	\ \ threading modell 13dec92py
2392 :			\ modularized 14jun97jaw
2393 :
2394 :	jwilke	1.106	T 2 cells H Value xt>body
2395 :	jwilke	1.52
2396 :	jwilke	1.103	: (>body) ( cfa -- pfa )
2397 :	jwilke	1.105	xt>body + ; ' (>body) plugin-of t>body
2398 :
2399 :			: fillcfa ( usedcells -- )
2400 :	jwilke	1.106	T cells H xt>body swap -
2401 :	jwilke	1.105	assert1( dup 0 >= )
2402 :			0 ?DO 0 X c, tchar +LOOP ;
2403 :	jwilke	1.52
2404 :	jwilke	1.103	: (doer,) ( ghost -- )
2405 :	jwilke	1.105	addr, 1 fillcfa ; ' (doer,) plugin-of doer,
2406 :	jwilke	1.52
2407 :	jwilke	1.105	: (docol,) ( -- ) [G'] :docol (doer,) ; ' (docol,) plugin-of docol,
2408 :	jwilke	1.52
2409 :	jwilke	1.121	' NOOP plugin-of ca>native
2410 :
2411 :	jwilke	1.52	: (doprim,) ( -- )
2412 :	jwilke	1.105	there xt>body + ca>native T a, H 1 fillcfa ; ' (doprim,) plugin-of doprim,
2413 :	jwilke	1.52
2414 :			: (doeshandler,) ( -- )
2415 :	pazsan	1.170	T cfalign H ; ' (doeshandler,) plugin-of doeshandler,
2416 :	jwilke	1.52
2417 :			: (dodoes,) ( does-action-ghost -- )
2418 :	pazsan	1.119	]comp [G'] :dodoes addr, comp[
2419 :	jwilke	1.52	addr,
2420 :	jwilke	1.103	\ the relocator in the c engine, does not like the
2421 :			\ does-address to marked for relocation
2422 :			[ T e? ec H 0= [IF] ] T here H tcell - reloff [ [THEN] ]
2423 :	jwilke	1.105	2 fillcfa ; ' (dodoes,) plugin-of dodoes,
2424 :	jwilke	1.52
2425 :	jwilke	1.107	: (dlit,) ( n -- ) compile lit td, ; ' (dlit,) plugin-of dlit,
2426 :
2427 :			: (lit,) ( n -- ) s>d dlit, ; ' (lit,) plugin-of lit,
2428 :	jwilke	1.52
2429 :	jwilke	1.67	\ if we dont produce relocatable code alit, defaults to lit, jaw
2430 :	jwilke	1.84	\ this is just for convenience, so we don't have to define alit,
2431 :			\ seperately for embedded systems....
2432 :			T has? relocate H
2433 :	jwilke	1.67	[IF]
2434 :	jwilke	1.105	: (alit,) ( n -- ) compile lit T a, H ; ' (alit,) plugin-of alit,
2435 :	jwilke	1.67	[ELSE]
2436 :	jwilke	1.105	: (alit,) ( n -- ) lit, ; ' (alit,) plugin-of alit,
2437 :	jwilke	1.67	[THEN]
2438 :	jwilke	1.52
2439 :	jwilke	1.105	: (fini,) compile ;s ; ' (fini,) plugin-of fini,
2440 :	pazsan	1.42
2441 :	pazsan	1.43	[IFUNDEF] (code)
2442 :			Defer (code)
2443 :			Defer (end-code)
2444 :			[THEN]
2445 :
2446 :	anton	1.1	>TARGET
2447 :	pazsan	1.43	: Code
2448 :	jwilke	1.52	defempty?
2449 :	jwilke	1.121	(THeader ( ghost )
2450 :			['] prim-resolved over >comp !
2451 :	jwilke	1.122	there resolve-noforwards
2452 :	jwilke	1.121
2453 :	jwilke	1.53	[ T e? prims H 0= [IF] T e? ITC H [ELSE] true [THEN] ] [IF]
2454 :	jwilke	1.52	doprim,
2455 :	anton	1.48	[THEN]
2456 :			depth (code) ;
2457 :	pazsan	1.43
2458 :	jwilke	1.121	\ FIXME : no-compile -1 ABORT" this ghost is not for compilation" ;
2459 :
2460 :	pazsan	1.43	: Code:
2461 :	jwilke	1.52	defempty?
2462 :	jwilke	1.121	Ghost >r
2463 :	jwilke	1.123	r@ >ghostname there symentry
2464 :	jwilke	1.122	r@ there ca>native resolve-noforwards
2465 :	jwilke	1.121	<do:> r@ >magic !
2466 :			r> drop
2467 :	pazsan	1.43	depth (code) ;
2468 :
2469 :			: end-code
2470 :	jwilke	1.52	(end-code)
2471 :	pazsan	1.43	depth ?dup IF 1- <> ABORT" CROSS: Stack changed"
2472 :			ELSE true ABORT" CROSS: Stack empty" THEN
2473 :	jwilke	1.52	;
2474 :	anton	1.14
2475 :	anton	1.1	>CROSS
2476 :	jwilke	1.52
2477 :	anton	1.1	\ tLiteral 12dec92py
2478 :
2479 :			>TARGET
2480 :	pazsan	1.40	Cond: \G T-\G ;Cond
2481 :
2482 :	jwilke	1.105	Cond: Literal ( n -- ) lit, ;Cond
2483 :	jwilke	1.103	Cond: ALiteral ( n -- ) alit, ;Cond
2484 :	anton	1.1
2485 :			: Char ( "<char>" -- ) bl word char+ c@ ;
2486 :	jwilke	1.103	Cond: [Char] ( "<char>" -- ) Char lit, ;Cond
2487 :
2488 :	jwilke	1.139	: (x#) ( adr len base -- )
2489 :			base @ >r base ! 0 0 name >number 2drop drop r> base ! ;
2490 :
2491 :			: d# $0a (x#) ;
2492 :			: h# $010 (x#) ;
2493 :
2494 :			Cond: d# $0a (x#) lit, ;Cond
2495 :			Cond: h# $010 (x#) lit, ;Cond
2496 :
2497 :	jwilke	1.104	tchar 1 = [IF]
2498 :	jwilke	1.110	Cond: chars ;Cond
2499 :	jwilke	1.104	[THEN]
2500 :	anton	1.1
2501 :	pazsan	1.43	\ some special literals 27jan97jaw
2502 :
2503 :			Cond: MAXU
2504 :	jwilke	1.125	-1 s>d dlit,
2505 :	jwilke	1.52	;Cond
2506 :	pazsan	1.43
2507 :	jwilke	1.125	tcell 2 = tcell 4 = or tcell 8 = or 0=
2508 :			[IF]
2509 :			.( Warning: MINI and MAXI may not work with this host) cr
2510 :			[THEN]
2511 :
2512 :	pazsan	1.43	Cond: MINI
2513 :	jwilke	1.125	tcell 2 = IF $8000 ELSE $80000000 THEN 0
2514 :			tcell 8 = IF swap THEN dlit,
2515 :	jwilke	1.52	;Cond
2516 :	pazsan	1.43
2517 :			Cond: MAXI
2518 :	jwilke	1.125	tcell 2 = IF $7fff ELSE $7fffffff THEN 0
2519 :			tcell 8 = IF drop -1 swap THEN dlit,
2520 :			;Cond
2521 :	pazsan	1.43
2522 :	anton	1.1	>CROSS
2523 :	jwilke	1.115
2524 :	anton	1.1	\ Target compiling loop 12dec92py
2525 :			\ ">tib trick thrown out 10may93jaw
2526 :			\ number? defined at the top 11may93jaw
2527 :	jwilke	1.77	\ replaced >in by save-input
2528 :
2529 :			: discard 0 ?DO drop LOOP ;
2530 :	anton	1.1
2531 :			\ compiled word might leave items on stack!
2532 :	jwilke	1.77	: tcom ( x1 .. xn n name -- )
2533 :			\ dup count type space
2534 :	jwilke	1.103	gfind
2535 :			IF >r ( discard saved input state ) discard r>
2536 :			dup >exec-compile @ ?dup
2537 :			IF nip execute-exec-compile ELSE gexecute THEN
2538 :	jwilke	1.77	EXIT
2539 :			THEN
2540 :	anton	1.167	(number?) dup
2541 :	jwilke	1.77	IF 0> IF swap lit, THEN lit, discard
2542 :	jwilke	1.103	ELSE 2drop restore-input throw Ghost gexecute THEN ;
2543 :	anton	1.1
2544 :			\ : ; DOES> 13dec92py
2545 :			\ ] 9may93py/jaw
2546 :
2547 :	jwilke	1.115	>CROSS
2548 :
2549 :	jwilke	1.105	: compiling-state ( -- )
2550 :			\G set states to compililng
2551 :	pazsan	1.54	Compiling comp-state !
2552 :	jwilke	1.103	\ if we have a state in target, change it with the compile state
2553 :	jwilke	1.105	[G'] state dup undefined? 0=
2554 :			IF >ghost-xt @ execute X on ELSE drop THEN ;
2555 :
2556 :			: interpreting-state ( -- )
2557 :			\G set states to interpreting
2558 :			\ if target has a state variable, change it according to our state
2559 :			[G'] state dup undefined? 0=
2560 :			IF >ghost-xt @ execute X off ELSE drop THEN
2561 :			Interpreting comp-state ! ;
2562 :	jwilke	1.115
2563 :			>TARGET
2564 :	jwilke	1.105
2565 :			: ]
2566 :			compiling-state
2567 :	anton	1.1	BEGIN
2568 :	jwilke	1.77	BEGIN save-input bl word
2569 :			dup c@ 0= WHILE drop discard refill 0=
2570 :	anton	1.1	ABORT" CROSS: End of file while target compiling"
2571 :			REPEAT
2572 :			tcom
2573 :	jwilke	1.103	compiling? 0=
2574 :	anton	1.1	UNTIL ;
2575 :
2576 :			\ by the way: defining a second interpreter (a compiler-)loop
2577 :			\ is not allowed if a system should be ans conform
2578 :
2579 :	jwilke	1.110	: (:) ( ghost -- )
2580 :			\ common factor of : and :noname. Prepare ;Resolve and start definition
2581 :			;Resolve ! there ;Resolve cell+ !
2582 :			docol, ]comp colon-start depth T ] H ;
2583 :
2584 :	anton	1.1	: : ( -- colon-sys ) \ Name
2585 :	jwilke	1.52	defempty?
2586 :			constflag off \ don't let this flag work over colon defs
2587 :			\ just to go sure nothing unwanted happens
2588 :	pazsan	1.43	>in @ skip? IF drop skip-defs EXIT THEN >in !
2589 :	jwilke	1.110	(THeader (:) ;
2590 :	anton	1.1
2591 :	pazsan	1.37	: :noname ( -- colon-sys )
2592 :	pazsan	1.155	switchrom X cfalign there
2593 :	jwilke	1.110	\ define a nameless ghost
2594 :			here ghostheader dup last-header-ghost ! dup to lastghost
2595 :			(:) ;
2596 :	pazsan	1.37
2597 :	jwilke	1.103	Cond: EXIT ( -- ) compile ;S ;Cond
2598 :	anton	1.6
2599 :			Cond: ?EXIT ( -- ) 1 abort" CROSS: using ?exit" ;Cond
2600 :	pazsan	1.2
2601 :	jwilke	1.52	>CROSS
2602 :			: LastXT ;Resolve @ 0= abort" CROSS: no definition for LastXT"
2603 :			;Resolve cell+ @ ;
2604 :
2605 :			>TARGET
2606 :
2607 :	jwilke	1.103	Cond: recurse ( -- ) Last-Header-Ghost @ gexecute ;Cond
2608 :	jwilke	1.52
2609 :	jwilke	1.103	Cond: ; ( -- )
2610 :	jwilke	1.105	depth ?dup
2611 :			IF 1- <> ABORT" CROSS: Stack changed"
2612 :			ELSE true ABORT" CROSS: Stack empty"
2613 :			THEN
2614 :			colon-end
2615 :			fini,
2616 :			comp[
2617 :			;Resolve @
2618 :	pazsan	1.118	IF ['] colon-resolved ;Resolve @ >comp !
2619 :			;Resolve @ ;Resolve cell+ @ resolve
2620 :	jwilke	1.105	THEN
2621 :			interpreting-state
2622 :			;Cond
2623 :
2624 :			Cond: [ ( -- ) interpreting-state ;Cond
2625 :	anton	1.1
2626 :			>CROSS
2627 :	pazsan	1.54
2628 :	pazsan	1.117	0 Value created
2629 :	pazsan	1.54
2630 :	jwilke	1.52	: !does ( does-action -- )
2631 :	pazsan	1.54	tlastcfa @ [G'] :dovar killref
2632 :	pazsan	1.117	>space here >r ghostheader space>
2633 :	jwilke	1.121	['] colon-resolved r@ >comp !
2634 :	pazsan	1.117	r@ created >do:ghost ! r@ swap resolve
2635 :			r> tlastcfa @ >tempdp dodoes, tempdp> ;
2636 :	jwilke	1.103
2637 :	pazsan	1.147	Defer instant-interpret-does>-hook ' noop IS instant-interpret-does>-hook
2638 :	jwilke	1.103
2639 :	pazsan	1.162	T has? primcentric H [IF]
2640 :	pazsan	1.118	: does-resolved ( ghost -- )
2641 :			compile does-exec g>xt T a, H ;
2642 :	pazsan	1.134	[ELSE]
2643 :			: does-resolved ( ghost -- )
2644 :			g>xt T a, H ;
2645 :			[THEN]
2646 :	pazsan	1.118
2647 :	jwilke	1.103	: resolve-does>-part ( -- )
2648 :			\ resolve words made by builders
2649 :	jwilke	1.105	Last-Header-Ghost @ >do:ghost @ ?dup
2650 :	pazsan	1.117	IF there resolve THEN ;
2651 :	jwilke	1.103
2652 :	anton	1.1	>TARGET
2653 :	jwilke	1.103	Cond: DOES>
2654 :	pazsan	1.162	T here H [ T has? primcentric H [IF] ] 5 [ [ELSE] ] 4 [ [THEN] ] T cells
2655 :	pazsan	1.170	H + alit, compile !does compile ;s
2656 :	pazsan	1.144	doeshandler, resolve-does>-part
2657 :	anton	1.1	;Cond
2658 :	jwilke	1.103
2659 :	pazsan	1.118	: DOES>
2660 :			['] does-resolved created >comp !
2661 :			switchrom doeshandler, T here H !does
2662 :			instant-interpret-does>-hook
2663 :			depth T ] H ;
2664 :	anton	1.1
2665 :			>CROSS
2666 :	jwilke	1.108	\ Creation 01nov92py
2667 :	anton	1.1
2668 :			\ Builder 11may93jaw
2669 :
2670 :	jwilke	1.108	0 Value built
2671 :
2672 :	jwilke	1.105	: Builder ( Create-xt do-ghost "name" -- )
2673 :	jwilke	1.52	\ builds up a builder in current vocabulary
2674 :			\ create-xt is executed when word is interpreted
2675 :	jwilke	1.106	\ do:-xt is executed when the created word from builder is executed
2676 :	jwilke	1.105	\ for do:-xt an additional entry after the normal ghost-entrys is used
2677 :	jwilke	1.52
2678 :	jwilke	1.109	ghost to built
2679 :	jwilke	1.108	built >created @ 0= IF
2680 :			built >created on
2681 :			THEN ;
2682 :	anton	1.1
2683 :	jwilke	1.52	: gdoes, ( ghost -- )
2684 :			\ makes the codefield for a word that is built
2685 :	jwilke	1.103	>do:ghost @ dup undefined? 0=
2686 :	jwilke	1.52	IF
2687 :	pazsan	1.42	dup >magic @ <do:> =
2688 :	pazsan	1.54	IF doer,
2689 :			ELSE dodoes,
2690 :			THEN
2691 :			EXIT
2692 :	jwilke	1.52	THEN
2693 :			\ compile :dodoes gexecute
2694 :			\ T here H tcell - reloff
2695 :	pazsan	1.54	2 refered
2696 :			0 fillcfa
2697 :			;
2698 :	anton	1.1
2699 :	jwilke	1.103	: takeover-x-semantics ( S constructor-ghost new-ghost -- )
2700 :	pazsan	1.117	\g stores execution semantic and compilation semantic in the built word
2701 :			swap >do:ghost @ 2dup swap >do:ghost !
2702 :	jwilke	1.110	\ we use the >exec2 field for the semantic of a created word,
2703 :			\ using exec or exec2 makes no difference for normal cross-compilation
2704 :			\ but is usefull for instant where the exec field is already
2705 :			\ defined (e.g. Vocabularies)
2706 :	jwilke	1.105	2dup >exec @ swap >exec2 !
2707 :			>comp @ swap >comp ! ;
2708 :	jwilke	1.103
2709 :	pazsan	1.118	0 Value createhere
2710 :
2711 :			: create-resolve ( -- )
2712 :			created createhere resolve 0 ;Resolve ! ;
2713 :			: create-resolve-immediate ( -- )
2714 :			create-resolve T immediate H ;
2715 :
2716 :	jwilke	1.52	: TCreate ( <name> -- )
2717 :			create-forward-warn
2718 :			IF ['] reswarn-forward IS resolve-warning THEN
2719 :	jwilke	1.103	executed-ghost @ (Theader
2720 :	pazsan	1.117	dup >created on dup to created
2721 :	pazsan	1.118	2dup takeover-x-semantics
2722 :			there to createhere drop gdoes, ;
2723 :	jwilke	1.52
2724 :			: RTCreate ( <name> -- )
2725 :			\ creates a new word with code-field in ram
2726 :			create-forward-warn
2727 :			IF ['] reswarn-forward IS resolve-warning THEN
2728 :			\ make Alias
2729 :	jwilke	1.103	executed-ghost @ (THeader
2730 :	pazsan	1.118	dup >created on dup to created
2731 :	jwilke	1.103	2dup takeover-x-semantics
2732 :	jwilke	1.105	there 0 T a, H alias-mask flag!
2733 :	jwilke	1.103	\ store poiter to code-field
2734 :	jwilke	1.52	switchram T cfalign H
2735 :			there swap T ! H
2736 :			there tlastcfa !
2737 :	pazsan	1.118	there to createhere drop gdoes, ;
2738 :	anton	1.1
2739 :			: Build: ( -- [xt] [colon-sys] )
2740 :	jwilke	1.52	:noname postpone TCreate ;
2741 :
2742 :			: BuildSmart: ( -- [xt] [colon-sys] )
2743 :			:noname
2744 :	jwilke	1.53	[ T has? rom H [IF] ]
2745 :	jwilke	1.52	postpone RTCreate
2746 :			[ [ELSE] ]
2747 :			postpone TCreate
2748 :			[ [THEN] ] ;
2749 :	anton	1.1
2750 :	jwilke	1.108	: ;Build
2751 :	pazsan	1.118	postpone create-resolve postpone ; built >exec ! ; immediate
2752 :
2753 :			: ;Build-immediate
2754 :			postpone create-resolve-immediate
2755 :			postpone ; built >exec ! ; immediate
2756 :	jwilke	1.108
2757 :	anton	1.1	: gdoes> ( ghost -- addr flag )
2758 :	jwilke	1.110	executed-ghost @ g>body ;
2759 :	anton	1.1
2760 :			\ DO: ;DO 11may93jaw
2761 :
2762 :	jwilke	1.108	: do:ghost! ( ghost -- ) built >do:ghost ! ;
2763 :			: doexec! ( xt -- ) built >do:ghost @ >exec ! ;
2764 :
2765 :			: DO: ( -- [xt] [colon-sys] )
2766 :			here ghostheader do:ghost!
2767 :	jwilke	1.110	:noname postpone gdoes> ;
2768 :	anton	1.1
2769 :	jwilke	1.108	: by: ( -- [xt] [colon-sys] ) \ name
2770 :			Ghost do:ghost!
2771 :	jwilke	1.110	:noname postpone gdoes> ;
2772 :	pazsan	1.42
2773 :	jwilke	1.108	: ;DO ( [xt] [colon-sys] -- )
2774 :			postpone ; doexec! ; immediate
2775 :	anton	1.1
2776 :	jwilke	1.109	: by ( -- ) \ Name
2777 :	jwilke	1.108	Ghost >do:ghost @ do:ghost! ;
2778 :	jwilke	1.107
2779 :	jwilke	1.109	: compile: ( --[xt] [colon-sys] )
2780 :	jwilke	1.107	\G defines a compile time action for created words
2781 :			\G by this builder
2782 :			:noname ;
2783 :
2784 :	jwilke	1.109	: ;compile ( [xt] [colon-sys] -- )
2785 :			postpone ; built >do:ghost @ >comp ! ; immediate
2786 :	jwilke	1.107
2787 :	anton	1.1	\ Variables and Constants 05dec92py
2788 :
2789 :	jwilke	1.108	Builder (Constant)
2790 :			Build: ( n -- ) ;Build
2791 :	jwilke	1.103	by: :docon ( target-body-addr -- n ) T @ H ;DO
2792 :	jwilke	1.52
2793 :	jwilke	1.108	Builder Constant
2794 :			Build: ( n -- ) T , H ;Build
2795 :	jwilke	1.52	by (Constant)
2796 :
2797 :	jwilke	1.108	Builder AConstant
2798 :			Build: ( n -- ) T A, H ;Build
2799 :	jwilke	1.52	by (Constant)
2800 :
2801 :	jwilke	1.108	Builder 2Constant
2802 :			Build: ( d -- ) T , , H ;Build
2803 :	jwilke	1.52	DO: ( ghost -- d ) T dup cell+ @ swap @ H ;DO
2804 :
2805 :	jwilke	1.108	Builder Create
2806 :			BuildSmart: ;Build
2807 :	jwilke	1.103	by: :dovar ( target-body-addr -- addr ) ;DO
2808 :	anton	1.1
2809 :	jwilke	1.108	Builder Variable
2810 :	jwilke	1.53	T has? rom H [IF]
2811 :	jwilke	1.108	Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 , H ( switchrom ) ;Build
2812 :	jwilke	1.52	by (Constant)
2813 :			[ELSE]
2814 :	jwilke	1.108	Build: T 0 , H ;Build
2815 :	anton	1.1	by Create
2816 :	jwilke	1.52	[THEN]
2817 :	anton	1.1
2818 :	jwilke	1.108	Builder 2Variable
2819 :	jwilke	1.53	T has? rom H [IF]
2820 :	jwilke	1.108	Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 , 0 , H ( switchrom ) ;Build
2821 :	pazsan	1.54	by (Constant)
2822 :			[ELSE]
2823 :	jwilke	1.108	Build: T 0 , 0 , H ;Build
2824 :	pazsan	1.54	by Create
2825 :			[THEN]
2826 :
2827 :	jwilke	1.108	Builder AVariable
2828 :	pazsan	1.54	T has? rom H [IF]
2829 :	jwilke	1.108	Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 A, H ( switchrom ) ;Build
2830 :	jwilke	1.52	by (Constant)
2831 :			[ELSE]
2832 :	jwilke	1.108	Build: T 0 A, H ;Build
2833 :	anton	1.1	by Create
2834 :	jwilke	1.52	[THEN]
2835 :	anton	1.1
2836 :	pazsan	1.3	\ User variables 04may94py
2837 :
2838 :	jwilke	1.139	: tup@ user-region >rstart @ ;
2839 :
2840 :			\ Variable tup 0 tup !
2841 :			\ Variable tudp 0 tudp !
2842 :	jwilke	1.78
2843 :	pazsan	1.3	: u, ( n -- udp )
2844 :	pazsan	1.153	current-region >r user-region activate
2845 :			X here swap X , tup@ -
2846 :	jwilke	1.139	r> activate ;
2847 :	jwilke	1.78
2848 :	pazsan	1.3	: au, ( n -- udp )
2849 :	jwilke	1.139	current-region >r user-region activate
2850 :			X here swap X a, tup@ -
2851 :			r> activate ;
2852 :
2853 :			T has? no-userspace H [IF]
2854 :
2855 :			: buildby
2856 :			ghost >exec @ built >exec ! ;
2857 :
2858 :			Builder User
2859 :			buildby Variable
2860 :			by Variable
2861 :
2862 :			Builder 2User
2863 :			buildby 2Variable
2864 :			by 2Variable
2865 :
2866 :			Builder AUser
2867 :			buildby AVariable
2868 :			by AVariable
2869 :
2870 :			[ELSE]
2871 :	jwilke	1.78
2872 :	jwilke	1.108	Builder User
2873 :			Build: 0 u, X , ;Build
2874 :	jwilke	1.139	by: :douser ( ghost -- up-addr ) X @ tup@ + ;DO
2875 :	anton	1.1
2876 :	jwilke	1.108	Builder 2User
2877 :			Build: 0 u, X , 0 u, drop ;Build
2878 :	pazsan	1.3	by User
2879 :	anton	1.1
2880 :	jwilke	1.108	Builder AUser
2881 :			Build: 0 au, X , ;Build
2882 :	pazsan	1.3	by User
2883 :	anton	1.1
2884 :	jwilke	1.139	[THEN]
2885 :
2886 :	pazsan	1.155	T has? rom H [IF]
2887 :			Builder (Value)
2888 :			Build: ( n -- ) ;Build
2889 :			by: :dovalue ( target-body-addr -- n ) T @ @ H ;DO
2890 :
2891 :			Builder Value
2892 :			Build: T here 0 A, H switchram T align here swap ! , H ;Build
2893 :			by (Value)
2894 :
2895 :			Builder AValue
2896 :			Build: T here 0 A, H switchram T align here swap ! A, H ;Build
2897 :			by (Value)
2898 :			[ELSE]
2899 :	jwilke	1.108	Builder (Value)
2900 :			Build: ( n -- ) ;Build
2901 :	pazsan	1.156	by: :dovalue ( target-body-addr -- n ) T @ H ;DO
2902 :	jwilke	1.108
2903 :	anton	1.1	Builder Value
2904 :	jwilke	1.108	BuildSmart: T , H ;Build
2905 :			by (Value)
2906 :	anton	1.1
2907 :	pazsan	1.32	Builder AValue
2908 :	jwilke	1.108	BuildSmart: T A, H ;Build
2909 :			by (Value)
2910 :	pazsan	1.155	[THEN]
2911 :	pazsan	1.32
2912 :	jwilke	1.103	Defer texecute
2913 :
2914 :	jwilke	1.108	Builder Defer
2915 :	pazsan	1.155	T has? rom H [IF]
2916 :			Build: ( -- ) T here 0 A, H switchram T align here swap ! H [T'] noop T A, H ( switchrom ) ;Build
2917 :			by: :dodefer ( ghost -- ) X @ X @ texecute ;DO
2918 :			[ELSE]
2919 :			BuildSmart: ( -- ) [T'] noop T A, H ;Build
2920 :			by: :dodefer ( ghost -- ) X @ texecute ;DO
2921 :			[THEN]
2922 :	pazsan	1.37
2923 :	jwilke	1.108	Builder interpret/compile:
2924 :	pazsan	1.118	Build: ( inter comp -- ) swap T A, A, H ;Build-immediate
2925 :	pazsan	1.37	DO: ( ghost -- ) ABORT" CROSS: Don't execute" ;DO
2926 :	pazsan	1.24
2927 :			\ Sturctures 23feb95py
2928 :
2929 :			: nalign ( addr1 n -- addr2 )
2930 :			\ addr2 is the aligned version of addr1 wrt the alignment size n
2931 :			1- tuck + swap invert and ;
2932 :	jwilke	1.109
2933 :	pazsan	1.24
2934 :	jwilke	1.108	Builder (Field)
2935 :			Build: ;Build
2936 :	pazsan	1.44	by: :dofield T @ H + ;DO
2937 :
2938 :	jwilke	1.108	Builder Field
2939 :	anton	1.51	Build: ( align1 offset1 align size "name" -- align2 offset2 )
2940 :			rot dup T , H ( align1 align size offset1 )
2941 :	jwilke	1.108	+ >r nalign r> ;Build
2942 :	pazsan	1.44	by (Field)
2943 :	pazsan	1.24
2944 :	jwilke	1.109	>TARGET
2945 :	anton	1.51	: struct T 1 chars 0 H ;
2946 :	pazsan	1.24	: end-struct T 2Constant H ;
2947 :
2948 :	jwilke	1.52	: cell% ( n -- size align )
2949 :	anton	1.51	T 1 cells H dup ;
2950 :	jwilke	1.109	>CROSS
2951 :	pazsan	1.88
2952 :	dvdkhlng	1.169	\ ABI-CODE support
2953 :			Builder (ABI-CODE)
2954 :			Build: ;Build
2955 :			by: :doabicode noop ;DO
2956 :
2957 :	jwilke	1.105	\ Input-Methods 01py
2958 :	jwilke	1.103
2959 :	jwilke	1.108	Builder input-method
2960 :			Build: ( m v -- m' v ) dup T , cell+ H ;Build
2961 :	pazsan	1.88	DO: abort" Not in cross mode" ;DO
2962 :
2963 :	jwilke	1.108	Builder input-var
2964 :			Build: ( m v size -- m v' ) over T , H + ;Build
2965 :	pazsan	1.88	DO: abort" Not in cross mode" ;DO
2966 :	pazsan	1.24
2967 :	jwilke	1.108	\ Peephole optimization 05sep01jaw
2968 :
2969 :			\ this section defines different compilation
2970 :			\ actions for created words
2971 :			\ this will help the peephole optimizer
2972 :	jwilke	1.121	\ I (jaw) took this from bernds latest cross-compiler
2973 :	jwilke	1.108	\ changes but seperated it from the original
2974 :			\ Builder words. The final plan is to put this
2975 :			\ into a seperate file, together with the peephole
2976 :			\ optimizer for cross
2977 :
2978 :
2979 :	pazsan	1.162	T has? primcentric H [IF]
2980 :	jwilke	1.108
2981 :	jwilke	1.139	\ .( loading peephole optimization) cr
2982 :
2983 :	jwilke	1.109	>CROSS
2984 :	pazsan	1.118
2985 :	jwilke	1.109	: (callc) compile call T >body a, H ; ' (callc) plugin-of colon,
2986 :	jwilke	1.121	: (callcm) T here 0 a, 0 a, H ; ' (callcm) plugin-of colonmark,
2987 :	pazsan	1.118	: (call-res) >tempdp resolved gexecute tempdp> drop ;
2988 :			' (call-res) plugin-of colon-resolve
2989 :	pazsan	1.164	T has? ec H [IF]
2990 :			: (pprim) T @ H >signed dup 0< IF $4000 - ELSE
2991 :			cr ." wrong usage of (prim) "
2992 :			dup gdiscover IF .ghost ELSE . THEN cr -1 throw THEN
2993 :			T a, H ; ' (pprim) plugin-of prim,
2994 :			[ELSE]
2995 :	jwilke	1.121	: (pprim) dup 0< IF $4000 - ELSE
2996 :			cr ." wrong usage of (prim) "
2997 :			dup gdiscover IF .ghost ELSE . THEN cr -1 throw THEN
2998 :			T a, H ; ' (pprim) plugin-of prim,
2999 :	pazsan	1.164	[THEN]
3000 :	jwilke	1.109
3001 :			\ if we want this, we have to spilt aconstant
3002 :			\ and constant!!
3003 :			\ Builder (Constant)
3004 :			\ compile: g>body X @ lit, ;compile
3005 :	jwilke	1.108
3006 :			Builder (Constant)
3007 :	pazsan	1.118	compile: g>body compile lit@ T a, H ;compile
3008 :	jwilke	1.108
3009 :			Builder (Value)
3010 :	pazsan	1.118	compile: g>body compile lit@ T a, H ;compile
3011 :	jwilke	1.108
3012 :			\ this changes also Variable, AVariable and 2Variable
3013 :			Builder Create
3014 :	pazsan	1.117	compile: g>body alit, ;compile
3015 :	jwilke	1.108
3016 :			Builder User
3017 :			compile: g>body compile useraddr T @ , H ;compile
3018 :
3019 :			Builder Defer
3020 :	pazsan	1.118	compile: g>body compile lit-perform T A, H ;compile
3021 :	jwilke	1.102
3022 :	jwilke	1.108	Builder (Field)
3023 :	pazsan	1.164	compile: g>body T @ H compile lit+ T here H reloff T , H ;compile
3024 :	pazsan	1.117
3025 :			Builder interpret/compile:
3026 :			compile: does-resolved ;compile
3027 :
3028 :			Builder input-method
3029 :			compile: does-resolved ;compile
3030 :
3031 :			Builder input-var
3032 :			compile: does-resolved ;compile
3033 :	jwilke	1.102
3034 :	jwilke	1.108	[THEN]
3035 :	jwilke	1.103
3036 :	jwilke	1.52	\ structural conditionals 17dec92py
3037 :
3038 :			>CROSS
3039 :	jwilke	1.103	: (ncontrols?) ( n -- )
3040 :			\g We expect n open control structures
3041 :			depth over u<=
3042 :			ABORT" CROSS: unstructured, stack underflow"
3043 :			0 ?DO I pick 0=
3044 :			ABORT" CROSS: unstructured"
3045 :			LOOP ; ' (ncontrols?) plugin-of ncontrols?
3046 :
3047 :			\ : ?struc ( flag -- ) ABORT" CROSS: unstructured " ;
3048 :			\ : sys? ( sys -- sys ) dup 0= ?struc ;
3049 :
3050 :	jwilke	1.52	: >mark ( -- sys ) T here ( dup ." M" hex. ) 0 , H ;
3051 :
3052 :	pazsan	1.133	X has? abranch [IF]
3053 :			: branchoffset ( src dest -- ) drop ;
3054 :			: offset, ( n -- ) X A, ;
3055 :			[ELSE]
3056 :			: branchoffset ( src dest -- ) - tchar / ; \ ?? jaw
3057 :			: offset, ( n -- ) X , ;
3058 :			[THEN]
3059 :	jwilke	1.52
3060 :	pazsan	1.133	:noname compile branch X here branchoffset offset, ;
3061 :	pazsan	1.54	IS branch, ( target-addr -- )
3062 :	pazsan	1.133	:noname compile ?branch X here branchoffset offset, ;
3063 :	pazsan	1.54	IS ?branch, ( target-addr -- )
3064 :	pazsan	1.133	:noname compile branch T here 0 H offset, ;
3065 :	pazsan	1.54	IS branchmark, ( -- branchtoken )
3066 :	pazsan	1.133	:noname compile ?branch T here 0 H offset, ;
3067 :	pazsan	1.54	IS ?branchmark, ( -- branchtoken )
3068 :	pazsan	1.133	:noname T here 0 H offset, ;
3069 :	pazsan	1.54	IS ?domark, ( -- branchtoken )
3070 :	jwilke	1.78	:noname dup X @ ?struc X here over branchoffset swap X ! ;
3071 :	pazsan	1.54	IS branchtoresolve, ( branchtoken -- )
3072 :	jwilke	1.78	:noname branchto, X here ;
3073 :	pazsan	1.54	IS branchtomark, ( -- target-addr )
3074 :	jwilke	1.52
3075 :			>TARGET
3076 :
3077 :			\ Structural Conditionals 12dec92py
3078 :
3079 :	jwilke	1.103	\ CLEANUP Cond: BUT sys? swap ;Cond
3080 :			\ CLEANUP Cond: YET sys? dup ;Cond
3081 :	jwilke	1.52
3082 :			>CROSS
3083 :
3084 :	jwilke	1.78	Variable tleavings 0 tleavings !
3085 :	jwilke	1.52
3086 :	jwilke	1.129	: (done) ( do-addr -- )
3087 :			\G resolve branches of leave and ?leave and ?do
3088 :			\G do-addr is the address of the beginning of our
3089 :			\G loop so we can take care of nested loops
3090 :	pazsan	1.54	tleavings @
3091 :			BEGIN dup
3092 :			WHILE
3093 :			>r dup r@ cell+ @ \ address of branch
3094 :			u> 0= \ lower than DO?
3095 :			WHILE
3096 :			r@ 2 cells + @ \ branch token
3097 :			branchtoresolve,
3098 :			r@ @ r> free throw
3099 :			REPEAT r> THEN
3100 :			tleavings ! drop ;
3101 :
3102 :	jwilke	1.53	>TARGET
3103 :
3104 :	jwilke	1.103	\ What for? ANS? JAW Cond: DONE ( addr -- ) (done) ;Cond
3105 :	jwilke	1.53
3106 :			>CROSS
3107 :	pazsan	1.54	: (leave) ( branchtoken -- )
3108 :	jwilke	1.53	3 cells allocate throw >r
3109 :			T here H r@ cell+ !
3110 :			r@ 2 cells + !
3111 :			tleavings @ r@ !
3112 :			r> tleavings ! ;
3113 :			>TARGET
3114 :
3115 :	jwilke	1.103	: (leave,) ( -- )
3116 :			branchmark, (leave) ; ' (leave,) plugin-of leave,
3117 :
3118 :			: (?leave,) ( -- )
3119 :			compile 0= ?branchmark, (leave) ; ' (?leave,) plugin-of ?leave,
3120 :
3121 :			Cond: LEAVE leave, ;Cond
3122 :			Cond: ?LEAVE ?leave, ;Cond
3123 :	jwilke	1.53
3124 :	pazsan	1.54	>CROSS
3125 :			\ !!JW ToDo : Move to general tools section
3126 :
3127 :			: to1 ( x1 x2 xn n -- addr )
3128 :	jwilke	1.103	\G packs n stack elements in am allocated memory region
3129 :	pazsan	1.54	dup dup 1+ cells allocate throw dup >r swap 1+
3130 :			0 DO tuck ! cell+ LOOP
3131 :			drop r> ;
3132 :	jwilke	1.103
3133 :	pazsan	1.54	: 1to ( addr -- x1 x2 xn )
3134 :			\G unpacks the elements saved by to1
3135 :			dup @ swap over cells + swap
3136 :			0 DO dup @ swap 1 cells - LOOP
3137 :			free throw ;
3138 :
3139 :	jwilke	1.129	: loop] ( target-addr -- )
3140 :			branchto,
3141 :	pazsan	1.133	dup X here branchoffset offset,
3142 :	jwilke	1.129	tcell - (done) ;
3143 :	pazsan	1.54
3144 :			: skiploop] ?dup IF branchto, branchtoresolve, THEN ;
3145 :
3146 :			>TARGET
3147 :
3148 :	jwilke	1.52	\ Structural Conditionals 12dec92py
3149 :
3150 :	jwilke	1.103	: (cs-swap) ( x1 x2 -- x2 x1 )
3151 :			swap ; ' (cs-swap) plugin-of cs-swap
3152 :
3153 :			: (ahead,) branchmark, ; ' (ahead,) plugin-of ahead,
3154 :
3155 :			: (if,) ?branchmark, ; ' (if,) plugin-of if,
3156 :
3157 :			: (then,) branchto, branchtoresolve, ; ' (then,) plugin-of then,
3158 :
3159 :			: (else,) ( ahead ) branchmark,
3160 :			swap
3161 :			( then ) branchto, branchtoresolve, ; ' (else,) plugin-of else,
3162 :
3163 :			: (begin,) branchtomark, ; ' (begin,) plugin-of begin,
3164 :
3165 :			: (while,) ( if ) ?branchmark,
3166 :			swap ; ' (while,) plugin-of while,
3167 :
3168 :			: (again,) branch, ; ' (again,) plugin-of again,
3169 :
3170 :			: (until,) ?branch, ; ' (until,) plugin-of until,
3171 :
3172 :			: (repeat,) ( again ) branch,
3173 :			( then ) branchto, branchtoresolve, ; ' (repeat,) plugin-of repeat,
3174 :
3175 :			: (case,) ( -- n )
3176 :			0 ; ' (case,) plugin-of case,
3177 :
3178 :			: (of,) ( n -- x1 n )
3179 :			1+ >r
3180 :			compile over compile =
3181 :			if, compile drop r> ; ' (of,) plugin-of of,
3182 :
3183 :			: (endof,) ( x1 n -- x2 n )
3184 :			>r 1 ncontrols? else, r> ; ' (endof,) plugin-of endof,
3185 :
3186 :			: (endcase,) ( x1 .. xn n -- )
3187 :			compile drop 0 ?DO 1 ncontrols? then, LOOP ; ' (endcase,) plugin-of endcase,
3188 :
3189 :	jwilke	1.53	>TARGET
3190 :	jwilke	1.103	Cond: AHEAD ahead, ;Cond
3191 :			Cond: IF if, ;Cond
3192 :			Cond: THEN 1 ncontrols? then, ;Cond
3193 :			Cond: ENDIF 1 ncontrols? then, ;Cond
3194 :			Cond: ELSE 1 ncontrols? else, ;Cond
3195 :
3196 :			Cond: BEGIN begin, ;Cond
3197 :			Cond: WHILE 1 ncontrols? while, ;Cond
3198 :			Cond: AGAIN 1 ncontrols? again, ;Cond
3199 :			Cond: UNTIL 1 ncontrols? until, ;Cond
3200 :			Cond: REPEAT 2 ncontrols? repeat, ;Cond
3201 :
3202 :			Cond: CASE case, ;Cond
3203 :			Cond: OF of, ;Cond
3204 :			Cond: ENDOF endof, ;Cond
3205 :			Cond: ENDCASE endcase, ;Cond
3206 :	anton	1.1
3207 :			\ Structural Conditionals 12dec92py
3208 :
3209 :	jwilke	1.103	: (do,) ( -- target-addr )
3210 :			\ ?? i think 0 is too much! jaw
3211 :	pazsan	1.54	0 compile (do)
3212 :	jwilke	1.103	branchtomark, 2 to1 ; ' (do,) plugin-of do,
3213 :	pazsan	1.54
3214 :	jwilke	1.103	\ alternative for if no ?do
3215 :			\ : (do,)
3216 :	pazsan	1.54	\ compile 2dup compile = compile IF
3217 :			\ compile 2drop compile ELSE
3218 :			\ compile (do) branchtomark, 2 to1 ;
3219 :
3220 :	jwilke	1.103	: (?do,) ( -- target-addr )
3221 :	pazsan	1.54	0 compile (?do) ?domark, (leave)
3222 :	jwilke	1.103	branchtomark, 2 to1 ; ' (?do,) plugin-of ?do,
3223 :
3224 :			: (for,) ( -- target-addr )
3225 :			compile (for) branchtomark, ; ' (for,) plugin-of for,
3226 :
3227 :			: (loop,) ( target-addr -- )
3228 :			1to compile (loop) loop]
3229 :			compile unloop skiploop] ; ' (loop,) plugin-of loop,
3230 :
3231 :			: (+loop,) ( target-addr -- )
3232 :			1to compile (+loop) loop]
3233 :			compile unloop skiploop] ; ' (+loop,) plugin-of +loop,
3234 :
3235 :			: (next,)
3236 :			compile (next) loop] compile unloop ; ' (next,) plugin-of next,
3237 :
3238 :			Cond: DO do, ;Cond
3239 :			Cond: ?DO ?do, ;Cond
3240 :			Cond: FOR for, ;Cond
3241 :
3242 :			Cond: LOOP 1 ncontrols? loop, ;Cond
3243 :			Cond: +LOOP 1 ncontrols? +loop, ;Cond
3244 :			Cond: NEXT 1 ncontrols? next, ;Cond
3245 :	jwilke	1.52
3246 :	anton	1.1	\ String words 23feb93py
3247 :
3248 :	jwilke	1.103	: ," [char] " parse ht-string, X align ;
3249 :	anton	1.1
3250 :	pazsan	1.130	X has? control-rack [IF]
3251 :	jwilke	1.103	Cond: ." compile (.") T ," H ;Cond
3252 :			Cond: S" compile (S") T ," H ;Cond
3253 :			Cond: C" compile (C") T ," H ;Cond
3254 :			Cond: ABORT" compile (ABORT") T ," H ;Cond
3255 :	pazsan	1.130	[ELSE]
3256 :			Cond: ." '" parse tuck 2>r ahead, there 2r> ht-mem, X align
3257 :			>r then, r> compile ALiteral compile Literal compile type ;Cond
3258 :			Cond: S" '" parse tuck 2>r ahead, there 2r> ht-mem, X align
3259 :			>r then, r> compile ALiteral compile Literal ;Cond
3260 :			Cond: C" ahead, there [char] " parse ht-string, X align
3261 :			>r then, r> compile ALiteral ;Cond
3262 :			Cond: ABORT" if, ahead, there [char] " parse ht-string, X align
3263 :			>r then, r> compile ALiteral compile c(abort") then, ;Cond
3264 :			[THEN]
3265 :	anton	1.1
3266 :	pazsan	1.155	X has? rom [IF]
3267 :			Cond: IS T ' >body @ H compile ALiteral compile ! ;Cond
3268 :			: IS T >address ' >body @ ! H ;
3269 :			Cond: TO T ' >body @ H compile ALiteral compile ! ;Cond
3270 :			: TO T ' >body @ ! H ;
3271 :	pazsan	1.160	Cond: CTO T ' >body H compile ALiteral compile ! ;Cond
3272 :			: CTO T ' >body ! H ;
3273 :	pazsan	1.155	[ELSE]
3274 :	anton	1.1	Cond: IS T ' >body H compile ALiteral compile ! ;Cond
3275 :	pazsan	1.66	: IS T >address ' >body ! H ;
3276 :	pazsan	1.9	Cond: TO T ' >body H compile ALiteral compile ! ;Cond
3277 :			: TO T ' >body ! H ;
3278 :	pazsan	1.155	[THEN]
3279 :	anton	1.1
3280 :	jwilke	1.52	Cond: defers T ' >body @ compile, H ;Cond
3281 :
3282 :	anton	1.1	\ LINKED ERR" ENV" 2ENV" 18may93jaw
3283 :
3284 :			\ linked list primitive
3285 :	jwilke	1.79	: linked X here over X @ X A, swap X ! ;
3286 :	jwilke	1.52	: chained T linked A, H ;
3287 :	anton	1.1
3288 :			: err" s" ErrLink linked" evaluate T , H
3289 :	jwilke	1.103	[char] " parse ht-string, X align ;
3290 :	anton	1.1
3291 :			: env" [char] " parse s" EnvLink linked" evaluate
3292 :	jwilke	1.103	ht-string, X align X , ;
3293 :	anton	1.1
3294 :			: 2env" [char] " parse s" EnvLink linked" evaluate
3295 :	jwilke	1.103	here >r ht-string, X align X , X ,
3296 :	anton	1.1	r> dup T c@ H 80 and swap T c! H ;
3297 :
3298 :			\ compile must be last 22feb93py
3299 :
3300 :	jwilke	1.103	Cond: [compile] ( -- ) \ name
3301 :			\g For immediate words, works even if forward reference
3302 :			bl word gfind 0= ABORT" CROSS: Can't compile"
3303 :			(gexecute) ;Cond
3304 :
3305 :			Cond: postpone ( -- ) \ name
3306 :			bl word gfind 0= ABORT" CROSS: Can't compile"
3307 :			dup >magic @ <fwd> =
3308 :			ABORT" CROSS: Can't postpone on forward declaration"
3309 :			dup >magic @ <imm> =
3310 :			IF (gexecute)
3311 :	pazsan	1.143	ELSE >link @ alit, compile compile, THEN ;Cond
3312 :	pazsan	1.54
3313 :	jwilke	1.77	\ save-cross 17mar93py
3314 :
3315 :			hex
3316 :
3317 :			>CROSS
3318 :	anton	1.131	Create magic s" Gforth3x" here over allot swap move
3319 :	jwilke	1.77
3320 :			bigendian 1+ \ strangely, in magic big=0, little=1
3321 :			tcell 1 = 0 and or
3322 :			tcell 2 = 2 and or
3323 :			tcell 4 = 4 and or
3324 :			tcell 8 = 6 and or
3325 :			tchar 1 = 00 and or
3326 :			tchar 2 = 28 and or
3327 :			tchar 4 = 50 and or
3328 :			tchar 8 = 78 and or
3329 :			magic 7 + c!
3330 :
3331 :			: save-cross ( "image-name" "binary-name" -- )
3332 :	pazsan	1.152	.regions \ s" ec" X $has? IF .regions THEN
3333 :	jwilke	1.77	bl parse ." Saving to " 2dup type cr
3334 :			w/o bin create-file throw >r
3335 :	jwilke	1.113	s" header" X $has? IF
3336 :	anton	1.80	s" #! " r@ write-file throw
3337 :			bl parse r@ write-file throw
3338 :			s" --image-file" r@ write-file throw
3339 :	jwilke	1.77	#lf r@ emit-file throw
3340 :			r@ dup file-position throw drop 8 mod 8 swap ( file-id limit index )
3341 :			?do
3342 :			bl over emit-file throw
3343 :			loop
3344 :			drop
3345 :			magic 8 r@ write-file throw \ write magic
3346 :			ELSE
3347 :			bl parse 2drop
3348 :			THEN
3349 :	pazsan	1.151	>rom dictionary >rmem @ there
3350 :			s" rom" X $has? IF dictionary >rstart @ - THEN
3351 :	jwilke	1.77	r@ write-file throw \ write image
3352 :	jwilke	1.113	s" relocate" X $has? IF
3353 :	jwilke	1.139	dictionary >rbm @ there 1- tcell>bit rshift 1+
3354 :	jwilke	1.77	r@ write-file throw \ write tags
3355 :			THEN
3356 :			r> close-file throw ;
3357 :
3358 :			: save-region ( addr len -- )
3359 :			bl parse w/o bin create-file throw >r
3360 :			swap >image swap r@ write-file throw
3361 :			r> close-file throw ;
3362 :
3363 :	jwilke	1.110	\ save-asm-region 29aug01jaw
3364 :	jwilke	1.103
3365 :			Variable name-ptr
3366 :			Create name-buf 200 chars allot
3367 :			: init-name-buf name-buf name-ptr ! ;
3368 :			: nb, name-ptr @ c! 1 chars name-ptr +! ;
3369 :			: $nb, ( adr len -- ) bounds ?DO I c@ nb, LOOP ;
3370 :			: @nb name-ptr @ name-buf tuck - ;
3371 :
3372 :			\ stores a usefull string representation of the character
3373 :			\ in the name buffer
3374 :			: name-char, ( c -- )
3375 :			dup 'a 'z 1+ within IF nb, EXIT THEN
3376 :			dup 'A 'Z 1+ within IF $20 + nb, EXIT THEN
3377 :			dup '0 '9 1+ within IF nb, EXIT THEN
3378 :			CASE '+ OF s" _PLUS" $nb, ENDOF
3379 :			'- OF s" _MINUS" $nb, ENDOF
3380 :			'* OF s" _STAR" $nb, ENDOF
3381 :			'/ OF s" _SLASH" $nb, ENDOF
3382 :			'' OF s" _TICK" $nb, ENDOF
3383 :			'( OF s" _OPAREN" $nb, ENDOF
3384 :			') OF s" _CPAREN" $nb, ENDOF
3385 :			'[ OF s" _OBRACKET" $nb, ENDOF
3386 :			'] OF s" _CBRACKET" $nb, ENDOF
3387 :			'! OF s" _STORE" $nb, ENDOF
3388 :			'@ OF s" _FETCH" $nb, ENDOF
3389 :			'> OF s" _GREATER" $nb, ENDOF
3390 :			'< OF s" _LESS" $nb, ENDOF
3391 :			'= OF s" _EQUAL" $nb, ENDOF
3392 :			'# OF s" _HASH" $nb, ENDOF
3393 :			'? OF s" _QUEST" $nb, ENDOF
3394 :			': OF s" _COL" $nb, ENDOF
3395 :			'; OF s" _SEMICOL" $nb, ENDOF
3396 :			', OF s" _COMMA" $nb, ENDOF
3397 :			'. OF s" _DOT" $nb, ENDOF
3398 :			'" OF s" _DQUOT" $nb, ENDOF
3399 :			dup
3400 :			base @ >r hex s>d <# #s 'X hold '_ hold #> $nb, r> base !
3401 :			ENDCASE ;
3402 :
3403 :			: label-from-ghostname ( ghost -- addr len )
3404 :			dup >ghostname init-name-buf 'L nb, bounds
3405 :			?DO I c@ name-char, LOOP
3406 :			\ we add the address to a name to make in unique
3407 :			\ because one name may appear more then once
3408 :			\ there are names (e.g. boot) that may be reference from other
3409 :			\ assembler source files, so we declare them as unique
3410 :			\ and don't add the address suffix
3411 :			dup >ghost-flags @ <unique> and 0=
3412 :			IF s" __" $nb, >link @ base @ >r hex 0 <# #s 'L hold #> r> base ! $nb,
3413 :			ELSE drop
3414 :			THEN
3415 :			@nb ;
3416 :
3417 :	jwilke	1.111	\ FIXME why disabled?!
3418 :	jwilke	1.103	: label-from-ghostnameXX ( ghost -- addr len )
3419 :			\ same as (label-from-ghostname) but caches generated names
3420 :			dup >asm-name @ ?dup IF nip count EXIT THEN
3421 :			\ dup >r (label-from-ghostname) 2dup
3422 :			align here >r string, align
3423 :			r> r> >asm-name ! ;
3424 :
3425 :			: primghostdiscover ( xt -- ghost true \| xt false )
3426 :			dup 0= IF false EXIT THEN
3427 :			>r last-prim-ghost
3428 :			BEGIN @ dup
3429 :			WHILE dup >asm-dummyaddr @ r@ =
3430 :			IF rdrop true EXIT THEN
3431 :			REPEAT
3432 :			drop r> false ;
3433 :
3434 :			: gdiscover2 ( xt -- ghost true \| xt false )
3435 :			dup taddr>region 0= IF false EXIT THEN
3436 :			dup (>regiontype) @ dup 0= IF drop false EXIT THEN
3437 :			addr-xt-ghost @ dup 0= IF drop false EXIT THEN
3438 :			nip true ;
3439 :			\ dup >ghost-name @ IF nip true ELSE drop false THEN ;
3440 :
3441 :			\ generates a label name for the target address
3442 :			: generate-label-name ( taddr -- addr len )
3443 :			gdiscover2
3444 :			IF dup >magic @ <do:> =
3445 :			IF >asm-name @ count EXIT THEN
3446 :			label-from-ghostname
3447 :			ELSE
3448 :			primghostdiscover
3449 :			IF >asm-name @ count
3450 :			ELSE base @ >r hex 0 <# #s 'L hold #> r> base !
3451 :			THEN
3452 :			THEN ;
3453 :
3454 :			Variable outfile-fd
3455 :
3456 :			: $out ( adr len -- ) outfile-fd @ write-file throw ;
3457 :			: nlout newline $out ;
3458 :			: .ux ( n -- )
3459 :			base @ hex swap 0 <# #S #> $out base ! ;
3460 :
3461 :			: save-asm-region-part-aligned ( taddr len -- 'taddr 'len )
3462 :			dup cell/ 0
3463 :			?DO nlout s" .word " $out over @relbit
3464 :			IF over X @ generate-label-name $out
3465 :			ELSE over X @ s" 0x0" $out .ux
3466 :			THEN
3467 :			tcell /string
3468 :			LOOP ;
3469 :
3470 :			: print-bytes ( taddr len n -- taddr' len' )
3471 :			over min dup 0>
3472 :			IF nlout s" .byte " $out 0
3473 :			?DO I 0> IF s" , " $out THEN
3474 :			over X c@ s" 0x0" $out .ux 1 /string
3475 :			LOOP
3476 :			THEN ;
3477 :
3478 :			: save-asm-region-part ( addr len -- )
3479 :			over dup X aligned swap - ?dup
3480 :			IF print-bytes THEN
3481 :			save-asm-region-part-aligned
3482 :			dup dup X aligned swap - ?dup
3483 :			IF 2 pick @relbit ABORT" relocated field splitted"
3484 :			print-bytes
3485 :			THEN
3486 :			2drop ;
3487 :
3488 :			: print-label ( taddr -- )
3489 :			nlout generate-label-name $out s" :" $out ;
3490 :
3491 :			: snl-calc ( taddr taddr2 -- )
3492 :			tuck over - ;
3493 :
3494 :			: skip-nolables ( taddr -- taddr2 taddr len )
3495 :			\G skips memory region where no lables are defined
3496 :			\G starting from taddr+1
3497 :			\G Labels will be introduced for each reference mark
3498 :			\G in addr-refs.
3499 :			\G This word deals with lables at byte addresses as well.
3500 :			\G The main idea is to have an intro part which
3501 :			\G skips until the next cell boundary, the middle part
3502 :			\G which skips whole cells very efficiently and the third
3503 :			\G part which skips the bytes to the label in a cell
3504 :			dup 1+ dup (>regiontype)
3505 :			( S taddr taddr-realstart type-addr )
3506 :			dup @ dup IF addr-refs @ THEN
3507 :			swap >r
3508 :			over align+ tuck tcell swap - rshift swap 0
3509 :	jwilke	1.126	?DO dup 1 and
3510 :	jwilke	1.103	IF drop rdrop snl-calc UNLOOP EXIT THEN
3511 :			2/ swap 1+ swap
3512 :			LOOP
3513 :			drop r> cell+
3514 :			( S .. taddr2 type-addr ) dup
3515 :			BEGIN dup @ dup IF addr-refs @ THEN 0= WHILE cell+ REPEAT
3516 :			dup >r swap - 1 cells / tcell * + r>
3517 :			( S .. taddr2+skiplencells type-addr )
3518 :			@ addr-refs @ 1 tcell lshift or
3519 :			BEGIN dup 1 and 0= WHILE swap 1+ swap 2/ REPEAT drop
3520 :			( S .. taddr2+skiplencells+skiplenbytes )
3521 :			snl-calc ;
3522 :
3523 :			: insert-label ( taddr -- )
3524 :			dup 0= IF drop EXIT THEN
3525 :			\ ignore everything which points outside our memory regions
3526 :			\ maybe a primitive pointer or whatever
3527 :			dup taddr>region 0= IF drop EXIT THEN
3528 :			dup >r (>regiontype) define-addr-struct addr-refs dup @
3529 :			r> tcell 1- and 1 swap lshift or swap ! ;
3530 :
3531 :			\ this generates a sorted list of addresses which must be labels
3532 :			\ it scans therefore a whole region
3533 :			: generate-label-list-region ( taddr len -- )
3534 :			BEGIN over @relbit IF over X @ insert-label THEN
3535 :			tcell /string dup 0<
3536 :			UNTIL 2drop ;
3537 :
3538 :			: generate-label-list ( -- )
3539 :			region-link
3540 :			BEGIN @ dup WHILE
3541 :			dup 0 >rlink - extent
3542 :			?dup IF generate-label-list-region ELSE drop THEN
3543 :			REPEAT drop ;
3544 :
3545 :			: create-outfile ( addr len -- )
3546 :			w/o bin create-file throw outfile-fd ! ;
3547 :
3548 :			: close-outfile ( -- )
3549 :			outfile-fd @ close-file throw ;
3550 :
3551 :			: (save-asm-region) ( region -- )
3552 :			\ ." label list..."
3553 :			generate-label-list
3554 :			\ ." ok!" cr
3555 :			extent ( S taddr len )
3556 :			over insert-label
3557 :			2dup + dup insert-label >r ( R end-label )
3558 :			( S taddr len ) drop
3559 :			BEGIN
3560 :			dup print-label
3561 :			dup r@ <> WHILE
3562 :			skip-nolables save-asm-region-part
3563 :			REPEAT drop rdrop ;
3564 :
3565 :			: lineout ( addr len -- )
3566 :			outfile-fd @ write-line throw ;
3567 :
3568 :			: save-asm-region ( region adr len -- )
3569 :			create-outfile (save-asm-region) close-outfile ;
3570 :
3571 :	pazsan	1.54	\ \ minimal definitions
3572 :
3573 :	jwilke	1.77	>MINIMAL also minimal
3574 :
3575 :	anton	1.1	\ Usefull words 13feb93py
3576 :
3577 :			: KB 400 * ;
3578 :
3579 :	pazsan	1.54	\ \ [IF] [ELSE] [THEN] ... 14sep97jaw
3580 :
3581 :			\ it is useful to define our own structures and not to rely
3582 :	jwilke	1.109	\ on the words in the host system
3583 :			\ The words in the host system might be defined with vocabularies
3584 :	pazsan	1.54	\ this doesn't work with our self-made compile-loop
3585 :
3586 :			Create parsed 20 chars allot \ store word we parsed
3587 :
3588 :			: upcase
3589 :			parsed count bounds
3590 :			?DO I c@ toupper I c! LOOP ;
3591 :
3592 :			: [ELSE]
3593 :			1 BEGIN
3594 :			BEGIN bl word count dup WHILE
3595 :	jwilke	1.77	comment? 20 umin parsed place upcase parsed count
3596 :	anton	1.128	2dup s" [IF]" str= >r
3597 :			2dup s" [IFUNDEF]" str= >r
3598 :			2dup s" [IFDEF]" str= r> or r> or
3599 :	pazsan	1.54	IF 2drop 1+
3600 :	anton	1.128	ELSE 2dup s" [ELSE]" str=
3601 :	pazsan	1.54	IF 2drop 1- dup
3602 :			IF 1+
3603 :			THEN
3604 :			ELSE
3605 :	anton	1.128	2dup s" [ENDIF]" str= >r
3606 :			s" [THEN]" str= r> or
3607 :	pazsan	1.54	IF 1- THEN
3608 :			THEN
3609 :			THEN
3610 :			?dup 0= ?EXIT
3611 :			REPEAT
3612 :			2drop refill 0=
3613 :			UNTIL drop ; immediate
3614 :
3615 :			: [THEN] ( -- ) ; immediate
3616 :
3617 :			: [ENDIF] ( -- ) ; immediate
3618 :
3619 :			: [IF] ( flag -- )
3620 :			0= IF postpone [ELSE] THEN ; immediate
3621 :
3622 :			Cond: [IF] postpone [IF] ;Cond
3623 :			Cond: [THEN] postpone [THEN] ;Cond
3624 :			Cond: [ELSE] postpone [ELSE] ;Cond
3625 :
3626 :	anton	1.1	\ define new [IFDEF] and [IFUNDEF] 20may93jaw
3627 :
3628 :	jwilke	1.77	: defined? tdefined? ;
3629 :	pazsan	1.44	: needed? needed? ;
3630 :			: doer? doer? ;
3631 :	anton	1.1
3632 :	jwilke	1.52	\ we want to use IFDEF on compiler directives (e.g. E?) in the source, too
3633 :
3634 :			: directive?
3635 :	jwilke	1.77	bl word count [ ' target >wordlist ] literal search-wordlist
3636 :	jwilke	1.52	dup IF nip THEN ;
3637 :
3638 :			: [IFDEF] >in @ directive? swap >in !
3639 :	jwilke	1.77	0= IF tdefined? ELSE name 2drop true THEN
3640 :	jwilke	1.52	postpone [IF] ;
3641 :
3642 :	jwilke	1.77	: [IFUNDEF] tdefined? 0= postpone [IF] ;
3643 :	anton	1.1
3644 :	pazsan	1.54	Cond: [IFDEF] postpone [IFDEF] ;Cond
3645 :
3646 :			Cond: [IFUNDEF] postpone [IFUNDEF] ;Cond
3647 :
3648 :	anton	1.1	\ C: \- \+ Conditional Compiling 09jun93jaw
3649 :
3650 :	jwilke	1.77	: C: >in @ tdefined? 0=
3651 :			IF >in ! X :
3652 :	anton	1.1	ELSE drop
3653 :			BEGIN bl word dup c@
3654 :	anton	1.128	IF count comment? s" ;" str= ?EXIT
3655 :	anton	1.1	ELSE refill 0= ABORT" CROSS: Out of Input while C:"
3656 :			THEN
3657 :			AGAIN
3658 :			THEN ;
3659 :
3660 :	jwilke	1.74	: d? d? ;
3661 :
3662 :	jwilke	1.123	: \D ( -- "debugswitch" )
3663 :	jwilke	1.74	\G doesn't skip line when debug switch is on
3664 :	jwilke	1.123	D? 0= IF postpone \ THEN ;
3665 :	jwilke	1.52
3666 :	jwilke	1.123	: \- ( -- "wordname" )
3667 :	anton	1.48	\G interprets the line if word is not defined
3668 :	jwilke	1.123	tdefined? IF postpone \ THEN ;
3669 :	anton	1.48
3670 :	jwilke	1.123	: \+ ( -- "wordname" )
3671 :	anton	1.48	\G interprets the line if word is defined
3672 :	jwilke	1.123	tdefined? 0= IF postpone \ THEN ;
3673 :
3674 :			: \? ( -- "envorinstring" )
3675 :			\G Skip line if environmental variable evaluates to false
3676 :			X has? 0= IF postpone \ THEN ;
3677 :	anton	1.1
3678 :	anton	1.48	Cond: \- \- ;Cond
3679 :			Cond: \+ \+ ;Cond
3680 :	jwilke	1.52	Cond: \D \D ;Cond
3681 :	jwilke	1.123	Cond: \? \? ;Cond
3682 :	anton	1.48
3683 :			: ?? bl word find IF execute ELSE drop 0 THEN ;
3684 :
3685 :			: needed:
3686 :			\G defines ghost for words that we want to be compiled
3687 :	jwilke	1.103	BEGIN >in @ bl word c@ WHILE >in ! Ghost drop REPEAT drop ;
3688 :	anton	1.48
3689 :	anton	1.1	\ words that should be in minimal
3690 :	jwilke	1.52
3691 :			create s-buffer 50 chars allot
3692 :
3693 :	jwilke	1.77	bigendian Constant bigendian
3694 :	anton	1.1
3695 :	jwilke	1.52	: here there ;
3696 :	jwilke	1.67	: equ constant ;
3697 :			: mark there constant ;
3698 :	pazsan	1.54
3699 :			\ compiler directives
3700 :	jwilke	1.52	: >ram >ram ;
3701 :			: >rom >rom ;
3702 :			: >auto >auto ;
3703 :			: >tempdp >tempdp ;
3704 :			: tempdp> tempdp> ;
3705 :			: const constflag on ;
3706 :	jwilke	1.103
3707 :			: Redefinitions-start
3708 :			\G Starts a redefinition section. Warnings are disabled and
3709 :			\G existing ghosts are reused. This is used in the kernel
3710 :			\G where ( and \ and the like are redefined
3711 :			twarnings off warnings off reuse-ghosts on ;
3712 :
3713 :			: Redefinitions-end
3714 :			\G Ends a redefinition section. Warnings are enabled again.
3715 :			twarnings on warnings on reuse-ghosts off ;
3716 :
3717 :			: warnings name 3 =
3718 :			IF twarnings off warnings off ELSE twarnings on warnings on THEN drop ;
3719 :	jwilke	1.102
3720 :	anton	1.60	: \| ;
3721 :			\ : \| NoHeaderFlag on ; \ This is broken (damages the last word)
3722 :	jwilke	1.52
3723 :	anton	1.48	: save-cross save-cross ;
3724 :	jwilke	1.52	: save-region save-region ;
3725 :			: tdump swap >image swap dump ;
3726 :
3727 :	anton	1.48	also forth
3728 :	jwilke	1.52	[IFDEF] Label : Label defempty? Label ; [THEN]
3729 :			[IFDEF] start-macros : start-macros defempty? start-macros ; [THEN]
3730 :	jwilke	1.77	\ [IFDEF] builttag : builttag builttag ; [THEN]
3731 :	anton	1.48	previous
3732 :
3733 :	jwilke	1.52	: s" [char] " parse s-buffer place s-buffer count ; \ for environment?
3734 :	pazsan	1.43	: + + ;
3735 :	jwilke	1.52	: 1+ 1 + ;
3736 :			: 2+ 2 + ;
3737 :	pazsan	1.43	: 1- 1- ;
3738 :			: - - ;
3739 :	jwilke	1.52	: and and ;
3740 :			: or or ;
3741 :	pazsan	1.43	: 2* 2* ;
3742 :			: * * ;
3743 :			: / / ;
3744 :			: dup dup ;
3745 :	jwilke	1.139	: ?dup ?dup ;
3746 :	pazsan	1.43	: over over ;
3747 :			: swap swap ;
3748 :			: rot rot ;
3749 :			: drop drop ;
3750 :	jwilke	1.139	: 2drop 2drop ;
3751 :	pazsan	1.43	: = = ;
3752 :	jwilke	1.122	: <> <> ;
3753 :	pazsan	1.43	: 0= 0= ;
3754 :			: lshift lshift ;
3755 :			: 2/ 2/ ;
3756 :	jwilke	1.139	: hex. base @ $10 base ! swap . base ! ;
3757 :			: invert invert ;
3758 :	pazsan	1.159	: linkstring ( addr u n addr -- )
3759 :			X here over X @ X , swap X ! X , ht-string, X align ;
3760 :	jwilke	1.103	\ : . . ;
3761 :	anton	1.1
3762 :	jwilke	1.79	: all-words ['] forced? IS skip? ;
3763 :	pazsan	1.43	: needed-words ['] needed? IS skip? ;
3764 :	jwilke	1.75	: undef-words ['] defined2? IS skip? ;
3765 :			: skipdef skipdef ;
3766 :	anton	1.1
3767 :	pazsan	1.40	: \ postpone \ ; immediate
3768 :	pazsan	1.47	: \G T-\G ; immediate
3769 :	pazsan	1.40	: ( postpone ( ; immediate
3770 :	anton	1.1	: include bl word count included ;
3771 :	jwilke	1.103	: included swap >image swap included ;
3772 :	jwilke	1.52	: require require ;
3773 :	jwilke	1.103	: needs require ;
3774 :	anton	1.1	: .( [char] ) parse type ;
3775 :	jwilke	1.139	: ERROR" [char] " parse
3776 :			rot
3777 :			IF cr ." * " type ." *" -1 ABORT" CROSS: Target error, see text above"
3778 :			ELSE 2drop
3779 :			THEN ;
3780 :	jwilke	1.52	: ." [char] " parse type ;
3781 :	anton	1.1	: cr cr ;
3782 :
3783 :	jwilke	1.77	: times 0 ?DO dup X c, LOOP drop ; \ used for space table creation
3784 :
3785 :			\ only forth also cross also minimal definitions order
3786 :	anton	1.1
3787 :			\ cross-compiler words
3788 :
3789 :	jwilke	1.103	: decimal decimal [g'] decimal >exec2 @ ?dup IF EXECUTE THEN ;
3790 :			: hex hex [g'] hex >exec2 @ ?dup IF EXECUTE THEN ;
3791 :	anton	1.1
3792 :	jwilke	1.77	\ : tudp X tudp ;
3793 :			\ : tup X tup ;
3794 :
3795 :			: doc-off false to-doc ! ;
3796 :			: doc-on true to-doc ! ;
3797 :	pazsan	1.39
3798 :	jwilke	1.103	: declareunique ( "name" -- )
3799 :	anton	1.127	\ Sets the unique flag for a ghost. The assembler output
3800 :			\ generates labels with the ghostname concatenated with the address
3801 :			\ while cross-compiling. The address is concatenated
3802 :			\ because we have double occurences of the same name.
3803 :			\ If we want to reference the labels from the assembler or C
3804 :			\ code we declare them unique, so the address is skipped.
3805 :	jwilke	1.103	Ghost >ghost-flags dup @ <unique> or swap ! ;
3806 :
3807 :			\ [IFDEF] dbg : dbg dbg ; [THEN]
3808 :	pazsan	1.39
3809 :	anton	1.1	\ for debugging...
3810 :	jwilke	1.103	\ : dbg dbg ;
3811 :			: horder order ;
3812 :			: hwords words ;
3813 :			\ : words also ghosts
3814 :			\ words previous ;
3815 :	jwilke	1.105	: .s .s ;
3816 :	jwilke	1.122	: depth depth ;
3817 :	anton	1.1	: bye bye ;
3818 :	pazsan	1.99
3819 :	jwilke	1.103	\ dummy
3820 :
3821 :	anton	1.1	\ turnkey direction
3822 :			: H forth ; immediate
3823 :			: T minimal ; immediate
3824 :			: G ghosts ; immediate
3825 :
3826 :
3827 :			\ these ones are pefered:
3828 :
3829 :	jwilke	1.74	: unlock previous forth also cross ;
3830 :	jwilke	1.52
3831 :	jwilke	1.77	\ also minimal
3832 :	jwilke	1.103	>cross
3833 :
3834 :			: turnkey
3835 :			ghosts-wordlist 1 set-order
3836 :			also target definitions
3837 :			also Minimal also ;
3838 :
3839 :			>minimal
3840 :
3841 :			: [[+++
3842 :			turnkey unlock ;
3843 :	anton	1.1
3844 :			unlock definitions also minimal
3845 :	jwilke	1.77
3846 :	jwilke	1.103	: lock turnkey ;
3847 :
3848 :			Defer +++]]-hook
3849 :			: +++]] +++]]-hook lock ;
3850 :
3851 :			LOCK
3852 :	jwilke	1.77	\ load cross compiler extension defined in mach file
3853 :
3854 :			UNLOCK >CROSS
3855 :
3856 :			[IFDEF] extend-cross extend-cross [THEN]
3857 :
3858 :			LOCK

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