[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	1.179	\ Copyright (C) 1995,1996,1997,1998,1999,2000,2003,2004,2005,2006,2007,2009,2010,2011 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 :	pazsan	1.176	Plugin -loop, ( do-token / ?do-token -- )
769 :	jwilke	1.105	Plugin next, ( for-token )
770 :			Plugin leave, ( -- )
771 :			Plugin ?leave, ( -- )
772 :
773 :	jwilke	1.121	Plugin ca>native \ Convert a code address to the processors
774 :			\ native address. This is used in doprim, and
775 :			\ code/code: primitive definitions word to
776 :			\ convert the addresses.
777 :			\ The only target where we need this is the misc
778 :			\ which is a 16 Bit processor with word addresses
779 :			\ but the forth system we build has a normal byte
780 :			\ addressed memory model
781 :	jwilke	1.105
782 :			Plugin doprim, \ compiles start of a primitive
783 :			Plugin docol, \ compiles start of a colon definition
784 :			Plugin doer,
785 :			Plugin fini, \ compiles end of definition ;s
786 :			Plugin doeshandler,
787 :			Plugin dodoes,
788 :
789 :			Plugin colon-start
790 :			' noop plugin-of colon-start
791 :			Plugin colon-end
792 :			' noop plugin-of colon-end
793 :
794 :			Plugin ]comp \ starts compilation
795 :			' noop plugin-of ]comp
796 :			Plugin comp[ \ ends compilation
797 :			' noop plugin-of comp[
798 :
799 :			Plugin t>body \ we need the system >body
800 :			\ and the target >body
801 :
802 :			>TARGET
803 :			: >body t>body ;
804 :
805 :
806 :	jwilke	1.103	\ Ghost Builder 06oct92py
807 :
808 :	jwilke	1.105	>CROSS
809 :	jwilke	1.103	hex
810 :	jwilke	1.105	\ Values for ghost magic
811 :	jwilke	1.103	4711 Constant <fwd> 4712 Constant <res>
812 :			4713 Constant <imm> 4714 Constant <do:>
813 :			4715 Constant <skip>
814 :
815 :	jwilke	1.105	\ Bitmask for ghost flags
816 :	jwilke	1.103	1 Constant <unique>
817 :	jwilke	1.105	2 Constant <primitive>
818 :
819 :			\ FXIME: move this to general stuff?
820 :			: set-flag ( addr flag -- )
821 :			over @ or swap ! ;
822 :
823 :			: reset-flag ( addr flag -- )
824 :			invert over @ and swap ! ;
825 :
826 :			: get-flag ( addr flag -- f )
827 :			swap @ and 0<> ;
828 :
829 :	jwilke	1.103
830 :			Struct
831 :	jwilke	1.52
832 :	jwilke	1.103	\ link to next ghost (always the first element)
833 :			cell% field >next-ghost
834 :	jwilke	1.52
835 :	jwilke	1.103	\ type of ghost
836 :			cell% field >magic
837 :
838 :			\ pointer where ghost is in target, or if unresolved
839 :			\ points to the where we have to resolve (linked-list)
840 :			cell% field >link
841 :	jwilke	1.52
842 :	jwilke	1.106	\ execution semantics (while target compiling) of ghost
843 :	jwilke	1.103	cell% field >exec
844 :	jwilke	1.52
845 :	jwilke	1.106	\ compilation action of this ghost; this is what is
846 :			\ done to compile a call (or whatever) to this definition.
847 :			\ E.g. >comp contains the semantic of postpone s"
848 :			\ whereas >exec-compile contains the semantic of s"
849 :	jwilke	1.105	cell% field >comp
850 :
851 :	jwilke	1.106	\ Compilation sematics (while parsing) of this ghost. E.g.
852 :			\ "\" will skip the rest of line.
853 :			\ These semantics are defined by Cond: and
854 :			\ if a word is made immediate in instant, then the >exec2 field
855 :			\ gets copied to here
856 :	jwilke	1.103	cell% field >exec-compile
857 :	jwilke	1.52
858 :	jwilke	1.106	\ Additional execution semantics of this ghost. This is used
859 :			\ for code generated by instant and for the doer-xt of created
860 :			\ words
861 :	jwilke	1.103	cell% field >exec2
862 :	jwilke	1.52
863 :	jwilke	1.103	cell% field >created
864 :	jwilke	1.52
865 :	jwilke	1.103	\ the xt of the created ghost word itself
866 :			cell% field >ghost-xt
867 :	jwilke	1.52
868 :	jwilke	1.103	\ pointer to the counted string of the assiciated
869 :			\ assembler label
870 :			cell% field >asm-name
871 :	jwilke	1.52
872 :	jwilke	1.103	\ mapped primitives have a special address, so
873 :			\ we are able to detect them
874 :			cell% field >asm-dummyaddr
875 :
876 :			\ for builder (create, variable...) words
877 :			\ the execution symantics of words built are placed here
878 :			\ this is a doer ghost or a dummy ghost
879 :			cell% field >do:ghost
880 :	pazsan	1.93
881 :	jwilke	1.103	cell% field >ghost-flags
882 :	pazsan	1.93
883 :	jwilke	1.103	cell% field >ghost-name
884 :	jwilke	1.52
885 :	jwilke	1.103	End-Struct ghost-struct
886 :	jwilke	1.52
887 :	jwilke	1.103	Variable ghost-list
888 :			0 ghost-list !
889 :	jwilke	1.52
890 :			Variable executed-ghost \ last executed ghost, needed in tcreate and gdoes>
891 :	jwilke	1.103	\ Variable last-ghost \ last ghost that is created
892 :	jwilke	1.52	Variable last-header-ghost \ last ghost definitions with header
893 :
894 :	jwilke	1.103	\ space for ghosts resolve structure
895 :			\ we create ghosts in a sepearte space
896 :			\ and not to the current host dp, because this
897 :			\ gives trouble with instant while compiling and creating
898 :			\ a ghost for a forward reference
899 :			\ BTW: we cannot allocate another memory region
900 :			\ because allot will check the overflow!!
901 :			Variable cross-space-dp
902 :			Create cross-space 250000 allot here 100 allot align
903 :			Constant cross-space-end
904 :			cross-space cross-space-dp !
905 :			Variable cross-space-dp-orig
906 :
907 :			: cross-space-used cross-space-dp @ cross-space - ;
908 :
909 :			: >space ( -- )
910 :			dp @ cross-space-dp-orig !
911 :			cross-space-dp @ dp ! ;
912 :
913 :			: space> ( -- )
914 :			dp @ dup cross-space-dp !
915 :			cross-space-end u> ABORT" CROSS: cross-space overflow"
916 :			cross-space-dp-orig @ dp ! ;
917 :
918 :	jwilke	1.106	\ this is just for debugging, to see this in the backtrace
919 :	jwilke	1.103	: execute-exec execute ;
920 :			: execute-exec2 execute ;
921 :			: execute-exec-compile execute ;
922 :
923 :			: NoExec
924 :			executed-ghost @ >exec2 @
925 :			?dup
926 :			IF execute-exec2
927 :			ELSE true ABORT" CROSS: Don't execute ghost, or immediate target word"
928 :			THEN ;
929 :
930 :	jwilke	1.105	Defer is-forward
931 :
932 :	jwilke	1.103	: (ghostheader) ( -- )
933 :	jwilke	1.121	ghost-list linked <fwd> , 0 , ['] NoExec , ['] is-forward ,
934 :	pazsan	1.118	0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , ;
935 :	jwilke	1.103
936 :			: ghostheader ( -- ) (ghostheader) 0 , ;
937 :
938 :			' Ghosts >wordlist Constant ghosts-wordlist
939 :
940 :			\ the current wordlist for ghost definitions in the host
941 :			ghosts-wordlist Value current-ghosts
942 :
943 :	jwilke	1.52	: Make-Ghost ( "name" -- ghost )
944 :	jwilke	1.103	>space
945 :			\ save current and create in ghost vocabulary
946 :			get-current >r current-ghosts set-current
947 :			>in @ Create >in !
948 :			\ some forth systems like iForth need the immediate directly
949 :			\ after the word is created
950 :			\ restore current
951 :			r> set-current
952 :			here (ghostheader)
953 :			bl word count string, align
954 :			space>
955 :			\ set ghost-xt field by doing a search
956 :			dup >ghost-name count
957 :			current-ghosts search-wordlist
958 :			0= ABORT" CROSS: Just created, must be there!"
959 :			over >ghost-xt !
960 :			DOES>
961 :			dup executed-ghost !
962 :			>exec @ execute-exec ;
963 :	jwilke	1.52
964 :			\ ghost words 14oct92py
965 :			\ changed: 10may93py/jaw
966 :
967 :	jwilke	1.103	Defer search-ghosts
968 :
969 :			: (search-ghosts) ( adr len -- cfa true \| 0 )
970 :			current-ghosts search-wordlist ;
971 :
972 :			' (search-ghosts) IS search-ghosts
973 :
974 :			: gsearch ( addr len -- ghost true \| 0 )
975 :			search-ghosts
976 :			dup IF swap >body swap THEN ;
977 :
978 :			: gfind ( string -- ghost true / string false )
979 :	jwilke	1.52	\ searches for string in word-list ghosts
980 :	jwilke	1.103	\ dup count type space
981 :			dup >r count gsearch
982 :			dup IF rdrop ELSE r> swap THEN ;
983 :	jwilke	1.52
984 :			: gdiscover ( xt -- ghost true \| xt false )
985 :	jwilke	1.103	>r ghost-list
986 :	jwilke	1.52	BEGIN @ dup
987 :	jwilke	1.103	WHILE dup >magic @ <fwd> <>
988 :			IF dup >link @ r@ =
989 :			IF rdrop true EXIT THEN
990 :			THEN
991 :	jwilke	1.52	REPEAT
992 :	jwilke	1.103	drop r> false ;
993 :	jwilke	1.52
994 :	jwilke	1.105	: xt>ghost ( xt -- ghost )
995 :			gdiscover 0= ABORT" CROSS: ghost not found for this xt" ;
996 :
997 :	jwilke	1.103	: Ghost ( "name" -- ghost )
998 :			>in @ bl word gfind IF nip EXIT THEN
999 :	jwilke	1.52	drop >in ! Make-Ghost ;
1000 :
1001 :			: >ghostname ( ghost -- adr len )
1002 :	jwilke	1.103	>ghost-name count ;
1003 :
1004 :			: forward? ( ghost -- flag )
1005 :			>magic @ <fwd> = ;
1006 :
1007 :			: undefined? ( ghost -- flag )
1008 :			>magic @ dup <fwd> = swap <skip> = or ;
1009 :
1010 :			: immediate? ( ghost -- flag )
1011 :			>magic @ <imm> = ;
1012 :
1013 :			Variable TWarnings
1014 :			TWarnings on
1015 :			Variable Exists-Warnings
1016 :			Exists-Warnings on
1017 :
1018 :			: exists-warning ( ghost -- ghost )
1019 :			TWarnings @ Exists-Warnings @ and
1020 :			IF dup >ghostname warnhead type ." exists " THEN ;
1021 :
1022 :			\ : HeaderGhost Ghost ;
1023 :
1024 :			Variable reuse-ghosts reuse-ghosts off
1025 :
1026 :			: HeaderGhost ( "name" -- ghost )
1027 :			>in @
1028 :			bl word count
1029 :			\ 2dup type space
1030 :			current-ghosts search-wordlist
1031 :			IF >body dup undefined? reuse-ghosts @ or
1032 :			IF nip EXIT
1033 :			ELSE exists-warning
1034 :			THEN
1035 :			drop >in !
1036 :			ELSE >in !
1037 :			THEN
1038 :			\ we keep the execution semantics of the prviously
1039 :			\ defined words, this is a workaround
1040 :			\ for the redefined \ until vocs work
1041 :			Make-Ghost ;
1042 :
1043 :	jwilke	1.78	: .ghost ( ghost -- ) >ghostname type ;
1044 :
1045 :	jwilke	1.77	\ ' >ghostname ALIAS @name
1046 :	jwilke	1.52
1047 :	jwilke	1.115	: findghost ( "ghostname" -- ghost )
1048 :			bl word gfind 0= ABORT" CROSS: Ghost don't exists" ;
1049 :
1050 :	jwilke	1.103	: [G'] ( -- ghost : name )
1051 :			\G ticks a ghost and returns its address
1052 :	jwilke	1.115	findghost
1053 :			state @ IF postpone literal THEN ; immediate
1054 :	jwilke	1.103
1055 :	jwilke	1.105	: g>xt ( ghost -- xt )
1056 :			\G Returns the xt (cfa) of a ghost. Issues a warning if undefined.
1057 :	jwilke	1.103	dup undefined? ABORT" CROSS: forward " >link @ ;
1058 :
1059 :	jwilke	1.105	: g>body ( ghost -- body )
1060 :			\G Returns the body-address (pfa) of a ghost.
1061 :			\G Issues a warning if undefined (a forward-reference).
1062 :			g>xt X >body ;
1063 :
1064 :	jwilke	1.103	1 Constant <label>
1065 :	jwilke	1.52
1066 :	jwilke	1.103	Struct
1067 :			\ bitmask of address type (not used for now)
1068 :			cell% field addr-type
1069 :			\ if this address is an xt, this field points to the ghost
1070 :			cell% field addr-xt-ghost
1071 :			\ a bit mask that tells as what part of the cell
1072 :			\ is refenced from an address pointer, used for assembler generation
1073 :			cell% field addr-refs
1074 :			End-Struct addr-struct
1075 :
1076 :			: %allocerase ( align size -- addr )
1077 :			dup >r %alloc dup r> erase ;
1078 :
1079 :			\ returns the addr struct, define it if 0 reference
1080 :			: define-addr-struct ( addr -- struct-addr )
1081 :			dup @ ?dup IF nip EXIT THEN
1082 :			addr-struct %allocerase tuck swap ! ;
1083 :	jwilke	1.75
1084 :	pazsan	1.118	>cross
1085 :
1086 :	jwilke	1.52	\ Predefined ghosts 12dec92py
1087 :
1088 :	jwilke	1.114	Ghost - drop \ need a ghost otherwise "-" would be treated as a number
1089 :
1090 :	jwilke	1.103	Ghost 0= drop
1091 :			Ghost branch Ghost ?branch 2drop
1092 :			Ghost unloop Ghost ;S 2drop
1093 :	pazsan	1.118	Ghost lit Ghost ! 2drop
1094 :			Ghost noop drop
1095 :	jwilke	1.103	Ghost over Ghost = Ghost drop 2drop drop
1096 :			Ghost 2drop drop
1097 :			Ghost 2dup drop
1098 :	jwilke	1.115	Ghost call drop
1099 :			Ghost @ drop
1100 :			Ghost useraddr drop
1101 :			Ghost execute drop
1102 :			Ghost + drop
1103 :			Ghost decimal drop
1104 :			Ghost hex drop
1105 :	pazsan	1.118	Ghost lit@ drop
1106 :			Ghost lit-perform drop
1107 :			Ghost lit+ drop
1108 :			Ghost does-exec drop
1109 :	jwilke	1.52
1110 :	pazsan	1.119	Ghost :docol Ghost :doesjump Ghost :dodoes 2drop drop
1111 :			Ghost :dovar drop
1112 :
1113 :	jwilke	1.52	\ \ Parameter for target systems 06oct92py
1114 :
1115 :	jwilke	1.103
1116 :	jwilke	1.52	\ we define it ans like...
1117 :			wordlist Constant target-environment
1118 :
1119 :	jwilke	1.103	\ save information of current dictionary to restore with environ>
1120 :			Variable env-current
1121 :	jwilke	1.52
1122 :			: >ENVIRON get-current env-current ! target-environment set-current ;
1123 :			: ENVIRON> env-current @ set-current ;
1124 :	pazsan	1.43
1125 :	anton	1.48	>TARGET
1126 :	pazsan	1.43
1127 :	jwilke	1.103	: environment? ( addr len -- [ x ] true \| false )
1128 :			\G returns the content of environment variable and true or
1129 :			\G false if not present
1130 :			target-environment search-wordlist
1131 :			IF EXECUTE true ELSE false THEN ;
1132 :
1133 :			: $has? ( addr len -- x \| false )
1134 :			\G returns the content of environment variable
1135 :			\G or false if not present
1136 :			T environment? H dup IF drop THEN ;
1137 :
1138 :			: e? ( "name" -- x )
1139 :			\G returns the content of environment variable.
1140 :			\G The variable is expected to exist. If not, issue an error.
1141 :			bl word count T environment? H
1142 :			0= ABORT" environment variable not defined!" ;
1143 :
1144 :			: has? ( "name" --- x \| false )
1145 :			\G returns the content of environment variable
1146 :			\G or false if not present
1147 :			bl word count T $has? H ;
1148 :	jwilke	1.52
1149 :	anton	1.48
1150 :	pazsan	1.54	>ENVIRON get-order get-current swap 1+ set-order
1151 :			true SetValue compiler
1152 :	pazsan	1.83	true SetValue cross
1153 :	pazsan	1.54	true SetValue standard-threading
1154 :			>TARGET previous
1155 :	jwilke	1.52
1156 :	jwilke	1.77	0
1157 :	jwilke	1.103	[IFDEF] mach-file drop mach-file count 1 [THEN]
1158 :			[IFDEF] machine-file drop machine-file 1 [THEN]
1159 :			[IF] included hex
1160 :	jwilke	1.77	[ELSE] cr ." No machine description!" ABORT
1161 :			[THEN]
1162 :	pazsan	1.43
1163 :	jwilke	1.53	>ENVIRON
1164 :
1165 :	pazsan	1.54	T has? ec H
1166 :			[IF]
1167 :			false DefaultValue relocate
1168 :			false DefaultValue file
1169 :			false DefaultValue OS
1170 :			false DefaultValue prims
1171 :			false DefaultValue floating
1172 :			false DefaultValue glocals
1173 :			false DefaultValue dcomps
1174 :			false DefaultValue hash
1175 :			false DefaultValue xconds
1176 :			false DefaultValue header
1177 :	jwilke	1.105	false DefaultValue backtrace
1178 :			false DefaultValue new-input
1179 :			false DefaultValue peephole
1180 :	pazsan	1.162	false DefaultValue primcentric
1181 :	jwilke	1.129	false DefaultValue abranch
1182 :	jwilke	1.139	true DefaultValue f83headerstring
1183 :	pazsan	1.141	true DefaultValue control-rack
1184 :	pazsan	1.54	[THEN]
1185 :
1186 :	jwilke	1.139	true DefaultValue gforthcross
1187 :	pazsan	1.54	true DefaultValue interpreter
1188 :			true DefaultValue ITC
1189 :			false DefaultValue rom
1190 :	pazsan	1.158	false DefaultValue flash
1191 :	jwilke	1.73	true DefaultValue standardthreading
1192 :	jwilke	1.53
1193 :	jwilke	1.139	\ ANSForth environment stuff
1194 :			8 DefaultValue ADDRESS-UNIT-BITS
1195 :			255 DefaultValue MAX-CHAR
1196 :			255 DefaultValue /COUNTED-STRING
1197 :
1198 :	jwilke	1.52	>TARGET
1199 :	jwilke	1.53	s" relocate" T environment? H
1200 :	jwilke	1.103	\ JAW why set NIL to this?!
1201 :			[IF] drop \ SetValue NIL
1202 :	jwilke	1.113	[ELSE] >ENVIRON X NIL SetValue relocate
1203 :	jwilke	1.53	[THEN]
1204 :	jwilke	1.113	>TARGET
1205 :
1206 :			0 Constant NIL
1207 :	pazsan	1.43
1208 :			>CROSS
1209 :
1210 :	jwilke	1.52	\ \ Create additional parameters 19jan95py
1211 :	pazsan	1.19
1212 :	jwilke	1.71	\ currently cross only works for host machines with address-unit-bits
1213 :			\ eual to 8 because of s! and sc!
1214 :			\ but I start to query the environment just to modularize a little bit
1215 :
1216 :			: check-address-unit-bits ( -- )
1217 :			\ s" ADDRESS-UNIT-BITS" environment?
1218 :			\ IF 8 <> ELSE true THEN
1219 :			\ ABORT" ADDRESS-UNIT-BITS unknown or not equal to 8!"
1220 :
1221 :			\ shit, this doesn't work because environment? is only defined for
1222 :			\ gforth.fi and not kernl???.fi
1223 :			;
1224 :
1225 :			check-address-unit-bits
1226 :			8 Constant bits/byte \ we define: byte is address-unit
1227 :
1228 :			1 bits/byte lshift Constant maxbyte
1229 :	jwilke	1.77	\ this sets byte size for the target machine, (probably right guess) jaw
1230 :	jwilke	1.67
1231 :	pazsan	1.19	T
1232 :	jwilke	1.71	NIL Constant TNIL
1233 :			cell Constant tcell
1234 :			cell<< Constant tcell<<
1235 :			cell>bit Constant tcell>bit
1236 :			bits/char Constant tbits/char
1237 :			bits/char H bits/byte T /
1238 :			Constant tchar
1239 :			float Constant tfloat
1240 :			1 bits/char lshift Constant tmaxchar
1241 :			[IFUNDEF] bits/byte
1242 :			8 Constant tbits/byte
1243 :			[ELSE]
1244 :			bits/byte Constant tbits/byte
1245 :			[THEN]
1246 :	pazsan	1.19	H
1247 :	pazsan	1.81	tbits/char bits/byte / Constant tbyte
1248 :	jwilke	1.71
1249 :	pazsan	1.164	: >signed ( u -- n )
1250 :			1 tbits/char tcell * 1- lshift 2dup and
1251 :			IF negate or ELSE drop THEN ;
1252 :	pazsan	1.19
1253 :	anton	1.48	\ Variables 06oct92py
1254 :
1255 :	jwilke	1.124	Variable (tlast)
1256 :			(tlast) Value tlast TNIL tlast ! \ Last name field
1257 :	anton	1.48	Variable tlastcfa \ Last code field
1258 :	jwilke	1.52
1259 :			\ statistics 10jun97jaw
1260 :
1261 :			Variable headers-named 0 headers-named !
1262 :			Variable user-vars 0 user-vars !
1263 :
1264 :	jwilke	1.67	: target>bitmask-size ( u1 -- u2 )
1265 :			1- tcell>bit rshift 1+ ;
1266 :
1267 :	jwilke	1.105	: allocatetarget ( size -- adr )
1268 :	jwilke	1.67	dup allocate ABORT" CROSS: No memory for target"
1269 :			swap over swap erase ;
1270 :	jwilke	1.52
1271 :	pazsan	1.54	\ \ memregion.fs
1272 :	jwilke	1.52
1273 :
1274 :			Variable last-defined-region \ pointer to last defined region
1275 :			Variable region-link \ linked list with all regions
1276 :			Variable mirrored-link \ linked list for mirrored regions
1277 :			0 dup mirrored-link ! region-link !
1278 :
1279 :	jwilke	1.139	: >rname 9 cells + ;
1280 :			: >rtouch 8 cells + ; \ executed when region is accessed
1281 :	jwilke	1.124	: >rbm 4 cells + ; \ bitfield per cell witch indicates relocation
1282 :	jwilke	1.103	: >rmem 5 cells + ;
1283 :	jwilke	1.124	: >rtype 6 cells + ; \ field per cell witch points to a type struct
1284 :			: >rrom 7 cells + ; \ a -1 indicates that this region is rom
1285 :	jwilke	1.67	: >rlink 3 cells + ;
1286 :	jwilke	1.52	: >rdp 2 cells + ;
1287 :			: >rlen cell+ ;
1288 :			: >rstart ;
1289 :
1290 :	jwilke	1.113	: (region) ( addr len region -- )
1291 :			\G change startaddress and length of an existing region
1292 :			>r r@ last-defined-region !
1293 :			r@ >rlen ! dup r@ >rstart ! r> >rdp ! ;
1294 :	jwilke	1.52
1295 :	jwilke	1.139	: uninitialized -1 ABORT" CROSS: Region is uninitialized" ;
1296 :
1297 :	jwilke	1.123	: region ( addr len -- "name" )
1298 :	jwilke	1.103	\G create a new region
1299 :	jwilke	1.52	\ check whether predefined region exists
1300 :			save-input bl word find >r >r restore-input throw r> r> 0=
1301 :			IF \ make region
1302 :			drop
1303 :			save-input create restore-input throw
1304 :			here last-defined-region !
1305 :			over ( startaddr ) , ( length ) , ( dp ) ,
1306 :	jwilke	1.139	region-link linked 0 , 0 , 0 , 0 ,
1307 :			['] uninitialized ,
1308 :			bl word count string,
1309 :	jwilke	1.52	ELSE \ store new parameters in region
1310 :			bl word drop
1311 :	jwilke	1.113	>body (region)
1312 :	jwilke	1.52	THEN ;
1313 :
1314 :	jwilke	1.103	: borders ( region -- startaddr endaddr )
1315 :			\G returns lower and upper region border
1316 :	jwilke	1.67	dup >rstart @ swap >rlen @ over + ;
1317 :	jwilke	1.52
1318 :	jwilke	1.103	: extent ( region -- startaddr len )
1319 :			\G returns the really used area
1320 :	jwilke	1.67	dup >rstart @ swap >rdp @ over - ;
1321 :	jwilke	1.52
1322 :	jwilke	1.103	: area ( region -- startaddr totallen )
1323 :			\G returns the total area
1324 :	jwilke	1.79	dup >rstart @ swap >rlen @ ;
1325 :	jwilke	1.52
1326 :	jwilke	1.139	: dp@ ( region -- dp )
1327 :			>rdp @ ;
1328 :
1329 :	jwilke	1.124	: mirrored ( -- )
1330 :			\G mark last defined region as mirrored
1331 :	jwilke	1.52	mirrored-link
1332 :	jwilke	1.68	align linked last-defined-region @ , ;
1333 :	jwilke	1.52
1334 :	jwilke	1.124	: writeprotected
1335 :			\G mark a region as write protected
1336 :			-1 last-defined-region @ >rrom ! ;
1337 :
1338 :	jwilke	1.67	: .addr ( u -- )
1339 :			\G prints a 16 or 32 Bit nice hex value
1340 :	jwilke	1.52	base @ >r hex
1341 :			tcell 2 u>
1342 :	jwilke	1.77	IF s>d <# # # # # [char] . hold # # # # #> type
1343 :	jwilke	1.52	ELSE s>d <# # # # # # #> type
1344 :	jwilke	1.103	THEN r> base ! space ;
1345 :	jwilke	1.52
1346 :			: .regions \G display region statistic
1347 :
1348 :			\ we want to list the regions in the right order
1349 :			\ so first collect all regions on stack
1350 :			0 region-link @
1351 :			BEGIN dup WHILE dup @ REPEAT drop
1352 :			BEGIN dup
1353 :	jwilke	1.67	WHILE cr
1354 :			0 >rlink - >r
1355 :			r@ >rname count tuck type
1356 :	jwilke	1.52	12 swap - 0 max spaces space
1357 :	jwilke	1.67	." Start: " r@ >rstart @ dup .addr space
1358 :			." End: " r@ >rlen @ + .addr space
1359 :			." DP: " r> >rdp @ .addr
1360 :	jwilke	1.52	REPEAT drop
1361 :	jwilke	1.53	s" rom" T $has? H 0= ?EXIT
1362 :	jwilke	1.52	cr ." Mirrored:"
1363 :			mirrored-link @
1364 :			BEGIN dup
1365 :	jwilke	1.67	WHILE space dup cell+ @ >rname count type @
1366 :	jwilke	1.52	REPEAT drop cr
1367 :			;
1368 :
1369 :			\ -------- predefined regions
1370 :
1371 :			0 0 region address-space
1372 :			\ total memory addressed and used by the target system
1373 :
1374 :	jwilke	1.139	0 0 region user-region
1375 :			\ data for user variables goes here
1376 :			\ this has to be defined before dictionary or ram-dictionary
1377 :
1378 :	jwilke	1.52	0 0 region dictionary
1379 :			\ rom area for the compiler
1380 :
1381 :	jwilke	1.53	T has? rom H
1382 :	jwilke	1.52	[IF]
1383 :			0 0 region ram-dictionary mirrored
1384 :			\ ram area for the compiler
1385 :			[ELSE]
1386 :			' dictionary ALIAS ram-dictionary
1387 :			[THEN]
1388 :
1389 :			0 0 region return-stack
1390 :
1391 :			0 0 region data-stack
1392 :
1393 :			0 0 region tib-region
1394 :
1395 :			' dictionary ALIAS rom-dictionary
1396 :
1397 :	jwilke	1.139	: setup-region ( region -- )
1398 :			>r
1399 :			\ allocate mem
1400 :			r@ >rlen @ allocatetarget
1401 :			r@ >rmem !
1402 :
1403 :			r@ >rlen @
1404 :			target>bitmask-size allocatetarget
1405 :			r@ >rbm !
1406 :
1407 :			r@ >rlen @
1408 :			tcell / 1+ cells allocatetarget r@ >rtype !
1409 :
1410 :			['] noop r@ >rtouch !
1411 :			rdrop ;
1412 :	jwilke	1.52
1413 :	jwilke	1.105	: setup-target ( -- ) \G initialize target's memory space
1414 :	jwilke	1.53	s" rom" T $has? H
1415 :	jwilke	1.52	IF \ check for ram and rom...
1416 :	jwilke	1.72	\ address-space area nip 0<>
1417 :	jwilke	1.67	ram-dictionary area nip 0<>
1418 :			rom-dictionary area nip 0<>
1419 :	jwilke	1.72	and 0=
1420 :	jwilke	1.52	ABORT" CROSS: define address-space, rom- , ram-dictionary, with rom-support!"
1421 :			THEN
1422 :			address-space area nip
1423 :			IF
1424 :			address-space area
1425 :			ELSE
1426 :			dictionary area
1427 :			THEN
1428 :	jwilke	1.67	nip 0=
1429 :	jwilke	1.52	ABORT" CROSS: define at least address-space or dictionary!!"
1430 :	jwilke	1.67
1431 :			\ allocate target for each region
1432 :			region-link
1433 :			BEGIN @ dup
1434 :			WHILE dup
1435 :			0 >rlink - >r
1436 :			r@ >rlen @
1437 :	jwilke	1.139	IF r@ setup-region
1438 :			THEN rdrop
1439 :	jwilke	1.72	REPEAT drop ;
1440 :
1441 :	jwilke	1.105	\ MakeKernel 22feb99jaw
1442 :	jwilke	1.72
1443 :	pazsan	1.134	: makekernel ( start targetsize -- )
1444 :	jwilke	1.113	\G convenience word to setup the memory of the target
1445 :			\G used by main.fs of the c-engine based systems
1446 :	pazsan	1.134	dictionary (region) setup-target ;
1447 :	jwilke	1.72
1448 :			>MINIMAL
1449 :			: makekernel makekernel ;
1450 :			>CROSS
1451 :	jwilke	1.52
1452 :	pazsan	1.54	\ \ switched tdp for rom support 03jun97jaw
1453 :	jwilke	1.52
1454 :			\ second value is here to store some maximal value for statistics
1455 :			\ tempdp is also embedded here but has nothing to do with rom support
1456 :			\ (needs switched dp)
1457 :
1458 :			variable tempdp 0 , \ temporary dp for resolving
1459 :			variable tempdp-save
1460 :
1461 :			0 [IF]
1462 :			variable romdp 0 , \ Dictionary-Pointer for ramarea
1463 :			variable ramdp 0 , \ Dictionary-Pointer for romarea
1464 :
1465 :			\
1466 :			variable sramdp \ start of ram-area for forth
1467 :			variable sromdp \ start of rom-area for forth
1468 :
1469 :			[THEN]
1470 :
1471 :	jwilke	1.123	0 Value current-region
1472 :			0 Value tdp
1473 :			Variable fixed \ flag: true: no automatic switching
1474 :	jwilke	1.52	\ false: switching is done automatically
1475 :
1476 :			\ Switch-Policy:
1477 :			\
1478 :			\ a header is always compiled into rom
1479 :			\ after a created word (create and variable) compilation goes to ram
1480 :			\
1481 :			\ Be careful: If you want to make the data behind create into rom
1482 :			\ you have to put >rom before create!
1483 :
1484 :			variable constflag constflag off
1485 :
1486 :	jwilke	1.67	: activate ( region -- )
1487 :			\G next code goes to this region
1488 :	jwilke	1.123	dup to current-region >rdp to tdp ;
1489 :	jwilke	1.67
1490 :	jwilke	1.52	: (switchram)
1491 :	jwilke	1.53	fixed @ ?EXIT s" rom" T $has? H 0= ?EXIT
1492 :	jwilke	1.67	ram-dictionary activate ;
1493 :	jwilke	1.52
1494 :			: switchram
1495 :			constflag @
1496 :			IF constflag off ELSE (switchram) THEN ;
1497 :
1498 :			: switchrom
1499 :	jwilke	1.67	fixed @ ?EXIT rom-dictionary activate ;
1500 :	jwilke	1.52
1501 :			: >tempdp ( addr -- )
1502 :			tdp tempdp-save ! tempdp to tdp tdp ! ;
1503 :			: tempdp> ( -- )
1504 :			tempdp-save @ to tdp ;
1505 :
1506 :			: >ram fixed off (switchram) fixed on ;
1507 :			: >rom fixed off switchrom fixed on ;
1508 :			: >auto fixed off switchrom ;
1509 :
1510 :
1511 :
1512 :			\ : romstart dup sromdp ! romdp ! ;
1513 :			\ : ramstart dup sramdp ! ramdp ! ;
1514 :
1515 :	jwilke	1.67	\ default compilation goes to rom
1516 :	jwilke	1.52	\ when romable support is off, only the rom switch is used (!!)
1517 :			>auto
1518 :
1519 :	anton	1.48	: there tdp @ ;
1520 :
1521 :	jwilke	1.52	>TARGET
1522 :	anton	1.48
1523 :	jwilke	1.52	\ \ Target Memory Handling
1524 :	anton	1.1
1525 :			\ Byte ordering and cell size 06oct92py
1526 :
1527 :	pazsan	1.19	: cell+ tcell + ;
1528 :			: cells tcell<< lshift ;
1529 :	jwilke	1.71	: chars tchar * ;
1530 :			: char+ tchar + ;
1531 :	pazsan	1.19	: floats tfloat * ;
1532 :	anton	1.6
1533 :	anton	1.1	>CROSS
1534 :	pazsan	1.19	: cell/ tcell<< rshift ;
1535 :	anton	1.1	>TARGET
1536 :			20 CONSTANT bl
1537 :	jwilke	1.52	\ TNIL Constant NIL
1538 :	anton	1.1
1539 :			>CROSS
1540 :
1541 :	pazsan	1.20	bigendian
1542 :			[IF]
1543 :	jwilke	1.106	: DS! ( d addr -- ) tcell bounds swap 1-
1544 :	pazsan	1.20	DO maxbyte ud/mod rot I c! -1 +LOOP 2drop ;
1545 :	jwilke	1.106	: DS@ ( addr -- d ) >r 0 0 r> tcell bounds
1546 :			DO maxbyte * swap maxbyte um* rot + swap I c@ + swap LOOP ;
1547 :	pazsan	1.57	: Sc! ( n addr -- ) >r s>d r> tchar bounds swap 1-
1548 :			DO maxbyte ud/mod rot I c! -1 +LOOP 2drop ;
1549 :			: Sc@ ( addr -- n ) >r 0 0 r> tchar bounds
1550 :			DO maxbyte * swap maxbyte um* rot + swap I c@ + swap LOOP d>s ;
1551 :	pazsan	1.19	[ELSE]
1552 :	jwilke	1.106	: DS! ( d addr -- ) tcell bounds
1553 :	pazsan	1.20	DO maxbyte ud/mod rot I c! LOOP 2drop ;
1554 :	jwilke	1.106	: DS@ ( addr -- n ) >r 0 0 r> tcell bounds swap 1-
1555 :			DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP ;
1556 :	pazsan	1.57	: Sc! ( n addr -- ) >r s>d r> tchar bounds
1557 :			DO maxbyte ud/mod rot I c! LOOP 2drop ;
1558 :			: Sc@ ( addr -- n ) >r 0 0 r> tchar bounds swap 1-
1559 :			DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP d>s ;
1560 :	anton	1.1	[THEN]
1561 :
1562 :	jwilke	1.106	: S! ( n addr -- ) >r s>d r> DS! ;
1563 :			: S@ ( addr -- n ) DS@ d>s ;
1564 :
1565 :	jwilke	1.67	: taddr>region ( taddr -- region \| 0 )
1566 :			\G finds for a target-address the correct region
1567 :			\G returns 0 if taddr is not in range of a target memory region
1568 :			region-link
1569 :			BEGIN @ dup
1570 :			WHILE dup >r
1571 :			0 >rlink - >r
1572 :			r@ >rlen @
1573 :			IF dup r@ borders within
1574 :	jwilke	1.139	IF r> r> drop nip
1575 :			dup >rtouch @ EXECUTE EXIT
1576 :			THEN
1577 :	jwilke	1.67	THEN
1578 :			r> drop
1579 :			r>
1580 :			REPEAT
1581 :			2drop 0 ;
1582 :
1583 :	jwilke	1.103	: taddr>region-abort ( taddr -- region \| 0 )
1584 :	jwilke	1.122	\G Same as taddr>region but aborts if taddr is not
1585 :			\G a valid address in the target address space
1586 :	jwilke	1.103	dup taddr>region dup 0=
1587 :			IF drop cr ." Wrong address: " .addr
1588 :			-1 ABORT" Address out of range!"
1589 :			THEN nip ;
1590 :
1591 :	jwilke	1.67	: (>regionimage) ( taddr -- 'taddr )
1592 :			dup
1593 :			\ find region we want to address
1594 :	jwilke	1.103	taddr>region-abort
1595 :	jwilke	1.67	>r
1596 :			\ calculate offset in region
1597 :			r@ >rstart @ -
1598 :			\ add regions real address in our memory
1599 :			r> >rmem @ + ;
1600 :
1601 :	jwilke	1.124	: (>regionramimage) ( taddr -- 'taddr )
1602 :			\G same as (>regionimage) but aborts if the region is rom
1603 :			dup
1604 :			\ find region we want to address
1605 :			taddr>region-abort
1606 :			>r
1607 :			r@ >rrom @ ABORT" CROSS: region is write-protected!"
1608 :			\ calculate offset in region
1609 :			r@ >rstart @ -
1610 :			\ add regions real address in our memory
1611 :			r> >rmem @ + ;
1612 :
1613 :	jwilke	1.103	: (>regionbm) ( taddr -- 'taddr bitmaskbaseaddr )
1614 :			dup
1615 :			\ find region we want to address
1616 :			taddr>region-abort
1617 :			>r
1618 :			\ calculate offset in region
1619 :			r@ >rstart @ -
1620 :			\ add regions real address in our memory
1621 :			r> >rbm @ ;
1622 :
1623 :			: (>regiontype) ( taddr -- 'taddr )
1624 :			dup
1625 :			\ find region we want to address
1626 :			taddr>region-abort
1627 :			>r
1628 :			\ calculate offset in region
1629 :			r@ >rstart @ - tcell / cells
1630 :			\ add regions real address in our memory
1631 :			r> >rtype @ + ;
1632 :
1633 :	anton	1.1	\ Bit string manipulation 06oct92py
1634 :			\ 9may93jaw
1635 :			CREATE Bittable 80 c, 40 c, 20 c, 10 c, 8 c, 4 c, 2 c, 1 c,
1636 :			: bits ( n -- n ) chars Bittable + c@ ;
1637 :
1638 :			: >bit ( addr n -- c-addr mask ) 8 /mod rot + swap bits ;
1639 :			: +bit ( addr n -- ) >bit over c@ or swap c! ;
1640 :	pazsan	1.4	: -bit ( addr n -- ) >bit invert over c@ and swap c! ;
1641 :	jwilke	1.67
1642 :	jwilke	1.103	: @relbit ( taddr -- f ) (>regionbm) swap cell/ >bit swap c@ and ;
1643 :
1644 :	jwilke	1.84	: (relon) ( taddr -- )
1645 :			[ [IFDEF] fd-relocation-table ]
1646 :			s" +" fd-relocation-table write-file throw
1647 :			dup s>d <# #s #> fd-relocation-table write-line throw
1648 :			[ [THEN] ]
1649 :	jwilke	1.103	(>regionbm) swap cell/ +bit ;
1650 :	jwilke	1.84
1651 :			: (reloff) ( taddr -- )
1652 :			[ [IFDEF] fd-relocation-table ]
1653 :			s" -" fd-relocation-table write-file throw
1654 :			dup s>d <# #s #> fd-relocation-table write-line throw
1655 :			[ [THEN] ]
1656 :	jwilke	1.103	(>regionbm) swap cell/ -bit ;
1657 :	jwilke	1.67
1658 :			DEFER >image
1659 :	jwilke	1.124	DEFER >ramimage
1660 :	jwilke	1.67	DEFER relon
1661 :			DEFER reloff
1662 :			DEFER correcter
1663 :
1664 :			T has? relocate H
1665 :			[IF]
1666 :			' (relon) IS relon
1667 :			' (reloff) IS reloff
1668 :	jwilke	1.103	' (>regionimage) IS >image
1669 :	jwilke	1.124	' (>regionimage) IS >ramimage
1670 :	jwilke	1.67	[ELSE]
1671 :			' drop IS relon
1672 :			' drop IS reloff
1673 :	jwilke	1.68	' (>regionimage) IS >image
1674 :	jwilke	1.124	' (>regionimage) IS >ramimage
1675 :	jwilke	1.67	[THEN]
1676 :	anton	1.1
1677 :	jwilke	1.124	: enforce-writeprotection ( -- )
1678 :			['] (>regionramimage) IS >ramimage ;
1679 :
1680 :			: relax-writeprotection ( -- )
1681 :			['] (>regionimage) IS >ramimage ;
1682 :
1683 :			: writeprotection-relaxed? ( -- )
1684 :			['] >ramimage >body @ ['] (>regionimage) = ;
1685 :
1686 :	anton	1.1	\ Target memory access 06oct92py
1687 :
1688 :			: align+ ( taddr -- rest )
1689 :	anton	1.48	tcell tuck 1- and - [ tcell 1- ] Literal and ;
1690 :	anton	1.22	: cfalign+ ( taddr -- rest )
1691 :	pazsan	1.39	\ see kernel.fs:cfaligned
1692 :	pazsan	1.43	/maxalign tuck 1- and - [ /maxalign 1- ] Literal and ;
1693 :	anton	1.1
1694 :			>TARGET
1695 :			: aligned ( taddr -- ta-addr ) dup align+ + ;
1696 :			\ assumes cell alignment granularity (as GNU C)
1697 :
1698 :	anton	1.22	: cfaligned ( taddr1 -- taddr2 )
1699 :	pazsan	1.39	\ see kernel.fs
1700 :	anton	1.22	dup cfalign+ + ;
1701 :
1702 :	jwilke	1.52	: @ ( taddr -- w ) >image S@ ;
1703 :	jwilke	1.124	: ! ( w taddr -- ) >ramimage S! ;
1704 :	pazsan	1.57	: c@ ( taddr -- char ) >image Sc@ ;
1705 :	jwilke	1.124	: c! ( char taddr -- ) >ramimage Sc! ;
1706 :	anton	1.7	: 2@ ( taddr -- x1 x2 ) T dup cell+ @ swap @ H ;
1707 :	pazsan	1.82	: 2! ( x1 x2 taddr -- ) T tuck ! cell+ ! H ;
1708 :	anton	1.1
1709 :			\ Target compilation primitives 06oct92py
1710 :			\ included A! 16may93jaw
1711 :
1712 :			: here ( -- there ) there ;
1713 :			: allot ( n -- ) tdp +! ;
1714 :	jwilke	1.78	: , ( w -- ) T here H tcell T allot ! H ;
1715 :			: c, ( char -- ) T here H tchar T allot c! H ;
1716 :			: align ( -- ) T here H align+ 0 ?DO bl T c, H tchar +LOOP ;
1717 :	anton	1.22	: cfalign ( -- )
1718 :	jwilke	1.78	T here H cfalign+ 0 ?DO bl T c, H tchar +LOOP ;
1719 :	anton	1.1
1720 :	jwilke	1.71	: >address dup 0>= IF tbyte / THEN ; \ ?? jaw
1721 :	pazsan	1.59	: A! swap >address swap dup relon T ! H ;
1722 :			: A, ( w -- ) >address T here H relon T , H ;
1723 :	anton	1.1
1724 :	pazsan	1.118	\ high-level ghosts
1725 :
1726 :			>CROSS
1727 :
1728 :			Ghost (do) Ghost (?do) 2drop
1729 :			Ghost (for) drop
1730 :	pazsan	1.176	Ghost (loop) Ghost (+loop) Ghost (-loop) 2drop drop
1731 :	pazsan	1.118	Ghost (next) drop
1732 :	pazsan	1.170	Ghost !does drop
1733 :	anton	1.146	Ghost compile, drop
1734 :	pazsan	1.118	Ghost (.") Ghost (S") Ghost (ABORT") 2drop drop
1735 :	pazsan	1.130	Ghost (C") Ghost c(abort") Ghost type 2drop drop
1736 :	pazsan	1.118	Ghost ' drop
1737 :
1738 :			\ user ghosts
1739 :
1740 :			Ghost state drop
1741 :	jwilke	1.103
1742 :			\ \ -------------------- Host/Target copy etc. 29aug01jaw
1743 :
1744 :
1745 :			>CROSS
1746 :
1747 :	jwilke	1.107	: TD! >image DS! ;
1748 :			: TD@ >image DS@ ;
1749 :
1750 :	jwilke	1.103	: th-count ( taddr -- host-addr len )
1751 :			\G returns host address of target string
1752 :			assert1( tbyte 1 = )
1753 :			dup X c@ swap X char+ >image swap ;
1754 :
1755 :			: ht-move ( haddr taddr len -- )
1756 :			\G moves data from host-addr to destination in target-addr
1757 :			\G character by character
1758 :			swap -rot bounds ?DO I c@ over X c! X char+ LOOP drop ;
1759 :
1760 :			2Variable last-string
1761 :	pazsan	1.157	X has? rom [IF] $60 [ELSE] $00 [THEN] Constant header-masks
1762 :	jwilke	1.103
1763 :	pazsan	1.157	: ht-header, ( addr count -- )
1764 :			dup there swap last-string 2!
1765 :			dup header-masks or T c, H bounds ?DO I c@ T c, H LOOP ;
1766 :	jwilke	1.103	: ht-string, ( addr count -- )
1767 :			dup there swap last-string 2!
1768 :	pazsan	1.130	dup T c, H bounds ?DO I c@ T c, H LOOP ;
1769 :			: ht-mem, ( addr count )
1770 :			bounds ?DO I c@ T c, H LOOP ;
1771 :	jwilke	1.103
1772 :			>TARGET
1773 :
1774 :			: count dup X c@ swap X char+ swap ;
1775 :	jwilke	1.110
1776 :	pazsan	1.149	: on >r -1 -1 r> TD! ;
1777 :	jwilke	1.103	: off T 0 swap ! H ;
1778 :	anton	1.1
1779 :	jwilke	1.107	: tcmove ( source dest len -- )
1780 :			\G cmove in target memory
1781 :			tchar * bounds
1782 :			?DO dup T c@ H I T c! H 1+
1783 :			tchar +LOOP drop ;
1784 :
1785 :	pazsan	1.154	: tcallot ( char size -- )
1786 :			0 ?DO dup T c, H tchar +LOOP drop ;
1787 :
1788 :	jwilke	1.107	: td, ( d -- )
1789 :			\G Store a host value as one cell into the target
1790 :			there tcell X allot TD! ;
1791 :
1792 :			\ \ Load Assembler
1793 :
1794 :			>TARGET
1795 :			H also Forth definitions
1796 :
1797 :			\ FIXME: should we include the assembler really in the forth
1798 :			\ dictionary?!?!?!? This conflicts with the existing assembler
1799 :			\ of the host forth system!!
1800 :			[IFDEF] asm-include asm-include [THEN] hex
1801 :
1802 :			previous
1803 :
1804 :
1805 :	jwilke	1.52	>CROSS
1806 :
1807 :	jwilke	1.103	: (cc) T a, H ; ' (cc) plugin-of colon,
1808 :	jwilke	1.105	: (prim) T a, H ; ' (prim) plugin-of prim,
1809 :	jwilke	1.52
1810 :	pazsan	1.118	: (cr) >tempdp colon, tempdp> ; ' (cr) plugin-of colon-resolve
1811 :	jwilke	1.103	: (ar) T ! H ; ' (ar) plugin-of addr-resolve
1812 :	pazsan	1.54	: (dr) ( ghost res-pnt target-addr addr )
1813 :			>tempdp drop over
1814 :			dup >magic @ <do:> =
1815 :			IF doer,
1816 :			ELSE dodoes,
1817 :			THEN
1818 :	jwilke	1.103	tempdp> ; ' (dr) plugin-of doer-resolve
1819 :	pazsan	1.54
1820 :			: (cm) ( -- addr )
1821 :	jwilke	1.121	there -1 colon, ; ' (cm) plugin-of colonmark,
1822 :	anton	1.1
1823 :	jwilke	1.52	>TARGET
1824 :	jwilke	1.105	: compile, ( xt -- )
1825 :	jwilke	1.107	dup xt>ghost >comp @ EXECUTE ;
1826 :	jwilke	1.52	>CROSS
1827 :	anton	1.1
1828 :	jwilke	1.102	\ resolve structure
1829 :
1830 :			: >next ; \ link to next field
1831 :			: >tag cell+ ; \ indecates type of reference: 0: call, 1: address, 2: doer
1832 :			: >taddr cell+ cell+ ;
1833 :			: >ghost 3 cells + ;
1834 :			: >file 4 cells + ;
1835 :			: >line 5 cells + ;
1836 :
1837 :			: (refered) ( ghost addr tag -- )
1838 :			\G creates a reference to ghost at address taddr
1839 :	jwilke	1.103	>space
1840 :			rot >link linked
1841 :	jwilke	1.102	( taddr tag ) ,
1842 :			( taddr ) ,
1843 :			last-header-ghost @ ,
1844 :			loadfile ,
1845 :			sourceline# ,
1846 :	jwilke	1.103	space>
1847 :	pazsan	1.118	;
1848 :
1849 :	jwilke	1.52	: refered ( ghost tag -- )
1850 :	jwilke	1.53	\G creates a resolve structure
1851 :	pazsan	1.54	T here aligned H swap (refered)
1852 :			;
1853 :
1854 :			: killref ( addr ghost -- )
1855 :			\G kills a forward reference to ghost at position addr
1856 :			\G this is used to eleminate a :dovar refence after making a DOES>
1857 :			dup >magic @ <fwd> <> IF 2drop EXIT THEN
1858 :			swap >r >link
1859 :			BEGIN dup @ dup ( addr last this )
1860 :			WHILE dup >taddr @ r@ =
1861 :			IF @ over !
1862 :			ELSE nip THEN
1863 :			REPEAT rdrop 2drop
1864 :	jwilke	1.53	;
1865 :	anton	1.48
1866 :	jwilke	1.52	Defer resolve-warning
1867 :	anton	1.1
1868 :	jwilke	1.52	: reswarn-test ( ghost res-struct -- ghost res-struct )
1869 :	jwilke	1.78	over cr ." Resolving " .ghost dup ." in " >ghost @ .ghost ;
1870 :	anton	1.1
1871 :	jwilke	1.52	: reswarn-forward ( ghost res-struct -- ghost res-struct )
1872 :	jwilke	1.78	over warnhead .ghost dup ." is referenced in "
1873 :			>ghost @ .ghost ;
1874 :	anton	1.1
1875 :	jwilke	1.52	\ ' reswarn-test IS resolve-warning
1876 :
1877 :	anton	1.1	\ resolve 14oct92py
1878 :
1879 :	pazsan	1.54	: resolve-loop ( ghost resolve-list tcfa -- )
1880 :			>r
1881 :			BEGIN dup WHILE
1882 :			\ dup >tag @ 2 = IF reswarn-forward THEN
1883 :			resolve-warning
1884 :			r@ over >taddr @
1885 :			2 pick >tag @
1886 :			CASE 0 OF colon-resolve ENDOF
1887 :			1 OF addr-resolve ENDOF
1888 :			2 OF doer-resolve ENDOF
1889 :			ENDCASE
1890 :			@ \ next list element
1891 :			REPEAT 2drop rdrop
1892 :			;
1893 :	jwilke	1.52
1894 :			\ : resolve-loop ( ghost tcfa -- ghost tcfa )
1895 :			\ >r dup >link @
1896 :			\ BEGIN dup WHILE dup T @ H r@ rot T ! H REPEAT drop r> ;
1897 :	anton	1.1
1898 :			\ exists 9may93jaw
1899 :
1900 :	jwilke	1.103	: exists ( ghost tcfa -- )
1901 :			\G print warning and set new target link in ghost
1902 :			swap exists-warning
1903 :			>link ! ;
1904 :	jwilke	1.52
1905 :	jwilke	1.105	: colon-resolved ( ghost -- )
1906 :	jwilke	1.121	\ compiles a call to a colon definition,
1907 :			\ compile action for >comp field
1908 :			>link @ colon, ;
1909 :	jwilke	1.105
1910 :			: prim-resolved ( ghost -- )
1911 :	jwilke	1.121	\ compiles a call to a primitive
1912 :	jwilke	1.105	>link @ prim, ;
1913 :
1914 :	jwilke	1.121	: (is-forward) ( ghost -- )
1915 :			colonmark, 0 (refered) ; \ compile space for call
1916 :			' (is-forward) IS is-forward
1917 :
1918 :	pazsan	1.118	0 Value resolved
1919 :	anton	1.1
1920 :	jwilke	1.122	: resolve-forward-references ( ghost resolve-list -- )
1921 :			\ loop through forward referencies
1922 :			comp-state @ >r Resolving comp-state !
1923 :			over >link @ resolve-loop
1924 :			r> comp-state !
1925 :
1926 :			['] noop IS resolve-warning ;
1927 :
1928 :
1929 :			: (resolve) ( ghost tcfa -- ghost resolve-list )
1930 :			\ check for a valid address, it is a primitive reference
1931 :			\ otherwise
1932 :	jwilke	1.103	dup taddr>region 0<> IF
1933 :	jwilke	1.122	\ define this address in the region address type table
1934 :	jwilke	1.103	2dup (>regiontype) define-addr-struct addr-xt-ghost
1935 :			\ we define new address only if empty
1936 :	jwilke	1.105	\ this is for not to take over the alias ghost
1937 :			\ (different ghost, but identical xt)
1938 :	jwilke	1.103	\ but the very first that really defines it
1939 :			dup @ 0= IF ! ELSE 2drop THEN
1940 :			THEN
1941 :	jwilke	1.122	swap >r
1942 :	pazsan	1.118	r@ to resolved
1943 :	jwilke	1.121
1944 :			\ r@ >comp @ ['] is-forward =
1945 :			\ ABORT" >comp action not set on a resolved ghost"
1946 :
1947 :			\ copmile action defaults to colon-resolved
1948 :			\ if this is not right something must be set before
1949 :			\ calling resolve
1950 :			r@ >comp @ ['] is-forward = IF
1951 :	jwilke	1.122	['] colon-resolved r@ >comp !
1952 :			THEN
1953 :			r@ >link @ swap \ ( list tcfa R: ghost )
1954 :			\ mark ghost as resolved
1955 :			r@ >link ! <res> r@ >magic !
1956 :			r> swap ;
1957 :	pazsan	1.54
1958 :	jwilke	1.122	: resolve ( ghost tcfa -- )
1959 :			\G resolve referencies to ghost with tcfa
1960 :			\ is ghost resolved?, second resolve means another
1961 :			\ definition with the same name
1962 :			over undefined? 0= IF exists EXIT THEN
1963 :			(resolve)
1964 :			( ghost resolve-list )
1965 :			resolve-forward-references ;
1966 :
1967 :			: resolve-noforwards ( ghost tcfa -- )
1968 :			\G Same as resolve but complain if there are any
1969 :			\G forward references on this ghost
1970 :			\ is ghost resolved?, second resolve means another
1971 :			\ definition with the same name
1972 :			over undefined? 0= IF exists EXIT THEN
1973 :			(resolve)
1974 :			IF cr ." No forward references allowed on: " .ghost cr
1975 :			-1 ABORT" Illegal forward reference"
1976 :			THEN
1977 :			drop ;
1978 :	anton	1.1
1979 :			\ gexecute ghost, 01nov92py
1980 :
1981 :	jwilke	1.103	: (gexecute) ( ghost -- )
1982 :	jwilke	1.105	dup >comp @ EXECUTE ;
1983 :	jwilke	1.103
1984 :			: gexecute ( ghost -- )
1985 :	jwilke	1.120	dup >magic @ <imm> = ABORT" CROSS: gexecute on immediate word"
1986 :	jwilke	1.103	(gexecute) ;
1987 :	jwilke	1.52
1988 :			: addr, ( ghost -- )
1989 :	jwilke	1.105	dup forward? IF 1 refered 0 T a, H ELSE >link @ T a, H THEN ;
1990 :	jwilke	1.52
1991 :	anton	1.1	\ .unresolved 11may93jaw
1992 :
1993 :			variable ResolveFlag
1994 :
1995 :			\ ?touched 11may93jaw
1996 :
1997 :	jwilke	1.52	: ?touched ( ghost -- flag ) dup forward? swap >link @
1998 :	anton	1.1	0 <> and ;
1999 :
2000 :	jwilke	1.53	: .forwarddefs ( ghost -- )
2001 :	jwilke	1.103	." appeared in:"
2002 :			>link
2003 :			BEGIN @ dup
2004 :			WHILE cr 5 spaces
2005 :			dup >ghost @ .ghost
2006 :			." file " dup >file @ ?dup IF count type ELSE ." CON" THEN
2007 :			." line " dup >line @ .dec
2008 :			REPEAT
2009 :			drop ;
2010 :
2011 :			: ?resolved ( ghost -- )
2012 :			dup ?touched
2013 :			IF ResolveFlag on
2014 :			dup cr .ghost .forwarddefs
2015 :	jwilke	1.53	ELSE drop
2016 :			THEN ;
2017 :	anton	1.1
2018 :			: .unresolved ( -- )
2019 :			ResolveFlag off cr ." Unresolved: "
2020 :	jwilke	1.103	ghost-list
2021 :	anton	1.1	BEGIN @ dup
2022 :			WHILE dup ?resolved
2023 :	anton	1.10	REPEAT drop ResolveFlag @
2024 :			IF
2025 :	anton	1.48	-1 abort" Unresolved words!"
2026 :	anton	1.10	ELSE
2027 :			." Nothing!"
2028 :			THEN
2029 :			cr ;
2030 :	anton	1.1
2031 :	jwilke	1.52	: .stats
2032 :			base @ >r decimal
2033 :			cr ." named Headers: " headers-named @ .
2034 :			r> base ! ;
2035 :
2036 :	jwilke	1.79	>MINIMAL
2037 :
2038 :			: .unresolved .unresolved ;
2039 :
2040 :	anton	1.1	>CROSS
2041 :			\ Header states 12dec92py
2042 :
2043 :	jwilke	1.102	\ : flag! ( 8b -- ) tlast @ dup >r T c@ xor r> c! H ;
2044 :	pazsan	1.142	X has? f83headerstring bigendian or [IF] 0 [ELSE] tcell 1- [THEN] Constant flag+
2045 :	pazsan	1.90	: flag! ( w -- ) tlast @ flag+ + dup >r T c@ xor r> c! H ;
2046 :	anton	1.1
2047 :			VARIABLE ^imm
2048 :
2049 :	jwilke	1.105	\ !! should be target wordsize specific
2050 :			$80 constant alias-mask
2051 :			$40 constant immediate-mask
2052 :			$20 constant restrict-mask
2053 :
2054 :	anton	1.1	>TARGET
2055 :	jwilke	1.105	: immediate immediate-mask flag!
2056 :	pazsan	1.18	^imm @ @ dup <imm> = IF drop EXIT THEN
2057 :	anton	1.1	<res> <> ABORT" CROSS: Cannot immediate a unresolved word"
2058 :			<imm> ^imm @ ! ;
2059 :	jwilke	1.105	: restrict restrict-mask flag! ;
2060 :	jwilke	1.52
2061 :	pazsan	1.54	: isdoer
2062 :			\G define a forth word as doer, this makes obviously only sence on
2063 :			\G forth processors such as the PSC1000
2064 :			<do:> last-header-ghost @ >magic ! ;
2065 :	anton	1.1	>CROSS
2066 :
2067 :			\ Target Header Creation 01nov92py
2068 :
2069 :	jwilke	1.103	: ht-lstring, ( addr count -- )
2070 :	jwilke	1.102	dup T , H bounds ?DO I c@ T c, H LOOP ;
2071 :
2072 :	jwilke	1.103	>TARGET
2073 :	jwilke	1.139	X has? f83headerstring [IF]
2074 :	pazsan	1.157	: name, ( "name" -- ) bl word count ht-header, X cfalign ;
2075 :	jwilke	1.139	[ELSE]
2076 :	jwilke	1.103	: name, ( "name" -- ) bl word count ht-lstring, X cfalign ;
2077 :	jwilke	1.139	[THEN]
2078 :	anton	1.1	: view, ( -- ) ( dummy ) ;
2079 :	jwilke	1.52	>CROSS
2080 :	anton	1.1
2081 :	pazsan	1.25	\ Target Document Creation (goes to crossdoc.fd) 05jul95py
2082 :
2083 :	pazsan	1.55	s" ./doc/crossdoc.fd" r/w create-file throw value doc-file-id
2084 :	pazsan	1.25	\ contains the file-id of the documentation file
2085 :
2086 :	pazsan	1.40	: T-\G ( -- )
2087 :	pazsan	1.25	source >in @ /string doc-file-id write-line throw
2088 :	pazsan	1.40	postpone \ ;
2089 :	pazsan	1.25
2090 :	pazsan	1.39	Variable to-doc to-doc on
2091 :	pazsan	1.25
2092 :			: cross-doc-entry ( -- )
2093 :			to-doc @ tlast @ 0<> and \ not an anonymous (i.e. noname) header
2094 :			IF
2095 :			s" " doc-file-id write-line throw
2096 :			s" make-doc " doc-file-id write-file throw
2097 :	jwilke	1.102
2098 :	jwilke	1.105	Last-Header-Ghost @ >ghostname doc-file-id write-file throw
2099 :	pazsan	1.25	>in @
2100 :			[char] ( parse 2drop
2101 :			[char] ) parse doc-file-id write-file throw
2102 :			s" )" doc-file-id write-file throw
2103 :			[char] \ parse 2drop
2104 :	pazsan	1.40	T-\G
2105 :	pazsan	1.25	>in !
2106 :	pazsan	1.39	THEN ;
2107 :	pazsan	1.25
2108 :	pazsan	1.28	\ Target TAGS creation
2109 :
2110 :	pazsan	1.39	s" kernel.TAGS" r/w create-file throw value tag-file-id
2111 :	pazsan	1.116	s" kernel.tags" r/w create-file throw value vi-tag-file-id
2112 :	pazsan	1.28	\ contains the file-id of the tags file
2113 :
2114 :	anton	1.137	Create tag-beg 1 c, 7F c,
2115 :			Create tag-end 1 c, 01 c,
2116 :	pazsan	1.28	Create tag-bof 1 c, 0C c,
2117 :	pazsan	1.116	Create tag-tab 1 c, 09 c,
2118 :	pazsan	1.28
2119 :			2variable last-loadfilename 0 0 last-loadfilename 2!
2120 :
2121 :			: put-load-file-name ( -- )
2122 :	jwilke	1.77	sourcefilename last-loadfilename 2@ d<>
2123 :	pazsan	1.28	IF
2124 :			tag-bof count tag-file-id write-line throw
2125 :	anton	1.31	sourcefilename 2dup
2126 :	pazsan	1.28	tag-file-id write-file throw
2127 :			last-loadfilename 2!
2128 :			s" ,0" tag-file-id write-line throw
2129 :			THEN ;
2130 :
2131 :	pazsan	1.181	: put-cross-gnu-tag-entry ( addr u -- )
2132 :	pazsan	1.28	tlast @ 0<> \ not an anonymous (i.e. noname) header
2133 :			IF
2134 :			put-load-file-name
2135 :			source >in @ min tag-file-id write-file throw
2136 :			tag-beg count tag-file-id write-file throw
2137 :	pazsan	1.181	tag-file-id write-file throw
2138 :	pazsan	1.28	tag-end count tag-file-id write-file throw
2139 :	anton	1.31	base @ decimal sourceline# 0 <# #s #> tag-file-id write-file throw
2140 :	pazsan	1.28	\ >in @ 0 <# #s [char] , hold #> tag-file-id write-line throw
2141 :			s" ,0" tag-file-id write-line throw
2142 :			base !
2143 :	pazsan	1.181	ELSE 2drop THEN ;
2144 :
2145 :			: cross-gnu-tag-entry ( -- )
2146 :			Last-Header-Ghost @ >ghostname put-cross-gnu-tag-entry ;
2147 :	pazsan	1.116
2148 :	pazsan	1.181	: put-cross-vi-tag-entry ( addr u -- )
2149 :	pazsan	1.116	tlast @ 0<> \ not an anonymous (i.e. noname) header
2150 :			IF
2151 :			sourcefilename vi-tag-file-id write-file throw
2152 :			tag-tab count vi-tag-file-id write-file throw
2153 :	pazsan	1.181	vi-tag-file-id write-file throw
2154 :	pazsan	1.116	tag-tab count vi-tag-file-id write-file throw
2155 :			s" /^" vi-tag-file-id write-file throw
2156 :			source vi-tag-file-id write-file throw
2157 :			s" $/" vi-tag-file-id write-line throw
2158 :	pazsan	1.181	ELSE 2drop THEN ;
2159 :
2160 :			: cross-vi-tag-entry ( -- )
2161 :			Last-Header-Ghost @ >ghostname put-cross-vi-tag-entry ;
2162 :	pazsan	1.116
2163 :			: cross-tag-entry ( -- )
2164 :			cross-gnu-tag-entry
2165 :			cross-vi-tag-entry ;
2166 :	pazsan	1.28
2167 :	pazsan	1.181	: put-cross-tag-entry ( addr u -- )
2168 :			2dup put-cross-gnu-tag-entry
2169 :			put-cross-vi-tag-entry ;
2170 :
2171 :			: cross-record-name ( -- )
2172 :			>in @ parse-name put-cross-tag-entry >in ! ;
2173 :
2174 :	pazsan	1.43	\ Check for words
2175 :
2176 :			Defer skip? ' false IS skip?
2177 :
2178 :	jwilke	1.103	: skipdef ( "name" -- )
2179 :	jwilke	1.79	\G skip definition of an undefined word in undef-words and
2180 :			\G all-words mode
2181 :	jwilke	1.103	Ghost dup forward?
2182 :	jwilke	1.75	IF >magic <skip> swap !
2183 :			ELSE drop THEN ;
2184 :
2185 :	jwilke	1.103	: tdefined? ( "name" -- flag )
2186 :			Ghost undefined? 0= ;
2187 :	jwilke	1.75
2188 :	jwilke	1.103	: defined2? ( "name" -- flag )
2189 :	jwilke	1.75	\G return true for anything else than forward, even for <skip>
2190 :			\G that's what we want
2191 :	jwilke	1.103	Ghost forward? 0= ;
2192 :	pazsan	1.43
2193 :	jwilke	1.103	: forced? ( "name" -- flag )
2194 :	jwilke	1.79	\G return ture if it is a foreced skip with defskip
2195 :	jwilke	1.103	Ghost >magic @ <skip> = ;
2196 :	jwilke	1.79
2197 :	pazsan	1.43	: needed? ( -- flag ) \ name
2198 :	anton	1.48	\G returns a false flag when
2199 :			\G a word is not defined
2200 :			\G a forward reference exists
2201 :			\G so the definition is not skipped!
2202 :			bl word gfind
2203 :	jwilke	1.75	IF dup undefined?
2204 :	anton	1.48	nip
2205 :			0=
2206 :			ELSE drop true THEN ;
2207 :	pazsan	1.43
2208 :	jwilke	1.139	: doer? ( "name" -- 0 \| addr ) \ name
2209 :			Ghost dup >magic @ <do:> =
2210 :			IF >link @ ELSE drop 0 THEN ;
2211 :	pazsan	1.44
2212 :	pazsan	1.43	: skip-defs ( -- )
2213 :			BEGIN refill WHILE source -trailing nip 0= UNTIL THEN ;
2214 :
2215 :	pazsan	1.28	\ Target header creation
2216 :
2217 :	pazsan	1.54	Variable NoHeaderFlag
2218 :			NoHeaderFlag off
2219 :	anton	1.1
2220 :	pazsan	1.54	: 0.r ( n1 n2 -- )
2221 :			base @ >r hex
2222 :			0 swap <# 0 ?DO # LOOP #> type
2223 :			r> base ! ;
2224 :	jwilke	1.84
2225 :			: .sym ( adr len -- )
2226 :			\G escapes / and \ to produce sed output
2227 :	jwilke	1.52	bounds
2228 :			DO I c@ dup
2229 :	jwilke	1.77	CASE [char] / OF drop ." \/" ENDOF
2230 :			[char] \ OF drop ." \\" ENDOF
2231 :	jwilke	1.52	dup OF emit ENDOF
2232 :			ENDCASE
2233 :	pazsan	1.54	LOOP ;
2234 :	jwilke	1.52
2235 :	pazsan	1.147	Defer setup-execution-semantics ' noop IS setup-execution-semantics
2236 :	jwilke	1.103	0 Value lastghost
2237 :
2238 :			: (THeader ( "name" -- ghost )
2239 :	pazsan	1.54	\ >in @ bl word count type 2 spaces >in !
2240 :			\ wordheaders will always be compiled to rom
2241 :			switchrom
2242 :			\ build header in target
2243 :			NoHeaderFlag @
2244 :			IF NoHeaderFlag off
2245 :			ELSE
2246 :			T align H view,
2247 :	jwilke	1.78	tlast @ dup 0> IF tcell - THEN T A, H there tlast !
2248 :	pazsan	1.54	1 headers-named +! \ Statistic
2249 :			>in @ T name, H >in !
2250 :			THEN
2251 :			T cfalign here H tlastcfa !
2252 :	jwilke	1.84	\ Old Symbol table sed-script
2253 :	pazsan	1.54	\ >in @ cr ." sym:s/CFA=" there 4 0.r ." /" bl word count .sym ." /g" cr >in !
2254 :	jwilke	1.103	HeaderGhost
2255 :	jwilke	1.84	\ output symbol table to extra file
2256 :	jwilke	1.123	dup >ghostname there symentry
2257 :	jwilke	1.103	dup Last-Header-Ghost ! dup to lastghost
2258 :	pazsan	1.54	dup >magic ^imm ! \ a pointer for immediate
2259 :	jwilke	1.105	alias-mask flag!
2260 :	jwilke	1.103	cross-doc-entry cross-tag-entry
2261 :			setup-execution-semantics
2262 :			;
2263 :	anton	1.1
2264 :	jwilke	1.52	\ this is the resolver information from ":"
2265 :			\ resolving is done by ";"
2266 :	jwilke	1.103	Variable ;Resolve 1 cells allot
2267 :
2268 :			: hereresolve ( ghost -- )
2269 :			there resolve 0 ;Resolve ! ;
2270 :	anton	1.1
2271 :	pazsan	1.11	: Theader ( "name" -- ghost )
2272 :	jwilke	1.103	(THeader dup hereresolve ;
2273 :
2274 :			Variable aprim-nr -20 aprim-nr !
2275 :
2276 :			: copy-execution-semantics ( ghost-from ghost-dest -- )
2277 :			>r
2278 :			dup >exec @ r@ >exec !
2279 :	pazsan	1.117	dup >comp @ r@ >comp !
2280 :	jwilke	1.103	dup >exec2 @ r@ >exec2 !
2281 :			dup >exec-compile @ r@ >exec-compile !
2282 :			dup >ghost-xt @ r@ >ghost-xt !
2283 :			dup >created @ r@ >created !
2284 :			rdrop drop ;
2285 :	anton	1.1
2286 :			>TARGET
2287 :	jwilke	1.103
2288 :	anton	1.1	: Alias ( cfa -- ) \ name
2289 :	jwilke	1.103	>in @ skip? IF 2drop EXIT THEN >in !
2290 :			(THeader ( S xt ghost )
2291 :	jwilke	1.105	2dup swap xt>ghost swap copy-execution-semantics
2292 :			over resolve T A, H alias-mask flag! ;
2293 :	jwilke	1.103
2294 :			Variable last-prim-ghost
2295 :			0 last-prim-ghost !
2296 :
2297 :			: asmprimname, ( ghost -- : name )
2298 :			dup last-prim-ghost !
2299 :			>r
2300 :			here bl word count string, r@ >asm-name !
2301 :			aprim-nr @ r> >asm-dummyaddr ! ;
2302 :
2303 :			Defer setup-prim-semantics
2304 :
2305 :	jwilke	1.112	: mapprim ( "forthname" "asmlabel" -- )
2306 :	jwilke	1.103	THeader -1 aprim-nr +! aprim-nr @ T A, H
2307 :			asmprimname,
2308 :			setup-prim-semantics ;
2309 :
2310 :	jwilke	1.112	: mapprim: ( "forthname" "asmlabel" -- )
2311 :	jwilke	1.103	-1 aprim-nr +! aprim-nr @
2312 :	jwilke	1.122	Ghost tuck swap resolve-noforwards <do:> swap tuck >magic !
2313 :	jwilke	1.103	asmprimname, ;
2314 :
2315 :	pazsan	1.119	: Doer: ( cfa -- ) \ name
2316 :	jwilke	1.103	>in @ skip? IF 2drop EXIT THEN >in !
2317 :			dup 0< s" prims" T $has? H 0= and
2318 :			IF
2319 :			.sourcepos ." needs doer: " >in @ bl word count type >in ! cr
2320 :			THEN
2321 :	pazsan	1.119	Ghost
2322 :	jwilke	1.122	tuck swap resolve-noforwards <do:> swap >magic ! ;
2323 :	pazsan	1.64
2324 :			Variable prim#
2325 :			: first-primitive ( n -- ) prim# ! ;
2326 :	pazsan	1.132	: group 0 word drop prim# @ 1- -$200 and prim# ! ;
2327 :	pazsan	1.140	: groupadd ( n -- ) drop ;
2328 :	pazsan	1.64	: Primitive ( -- ) \ name
2329 :	pazsan	1.117	>in @ skip? IF drop EXIT THEN >in !
2330 :			s" prims" T $has? H 0=
2331 :	jwilke	1.103	IF
2332 :			.sourcepos ." needs prim: " >in @ bl word count type >in ! cr
2333 :			THEN
2334 :			prim# @ (THeader ( S xt ghost )
2335 :	jwilke	1.121	['] prim-resolved over >comp !
2336 :	jwilke	1.105	dup >ghost-flags <primitive> set-flag
2337 :	pazsan	1.163	s" EC" T $has? H 0=
2338 :			IF
2339 :	pazsan	1.164	over resolve-noforwards T A, H
2340 :	pazsan	1.163	alias-mask flag!
2341 :	pazsan	1.164	ELSE
2342 :			T here H resolve-noforwards T A, H
2343 :	pazsan	1.163	THEN
2344 :	jwilke	1.103	-1 prim# +! ;
2345 :	anton	1.1	>CROSS
2346 :
2347 :			\ Conditionals and Comments 11may93jaw
2348 :
2349 :	jwilke	1.103	\G saves the existing cond action, this is used for redefining in
2350 :			\G instant
2351 :			Variable cond-xt-old
2352 :
2353 :			: cond-target ( -- )
2354 :			\G Compiles semantic of redefined cond into new one
2355 :			cond-xt-old @ compile, ; immediate restrict
2356 :
2357 :	anton	1.1	: ;Cond
2358 :			postpone ;
2359 :			swap ! ; immediate
2360 :
2361 :	jwilke	1.103	: Cond: ( "name" -- )
2362 :			\g defines a conditional or another word that must
2363 :			\g be executed directly while compiling
2364 :			\g these words have no interpretative semantics by default
2365 :			Ghost
2366 :			>exec-compile
2367 :			dup @ cond-xt-old !
2368 :	anton	1.1	:NONAME ;
2369 :
2370 :
2371 :			: Comment ( -- )
2372 :	jwilke	1.103	>in @ Ghost swap >in ! ' swap
2373 :			2dup >exec-compile ! >exec ! ;
2374 :	anton	1.1
2375 :			Comment ( Comment \
2376 :
2377 :			\ compile 10may93jaw
2378 :
2379 :	jwilke	1.103	: compile ( "name" -- ) \ name
2380 :	jwilke	1.115	findghost
2381 :	jwilke	1.103	dup >exec-compile @ ?dup
2382 :			IF nip compile,
2383 :			ELSE postpone literal postpone gexecute THEN ; immediate restrict
2384 :
2385 :	jwilke	1.52	>TARGET
2386 :
2387 :	jwilke	1.105	: ' ( -- xt )
2388 :			\G returns the target-cfa of a ghost
2389 :	jwilke	1.52	bl word gfind 0= ABORT" CROSS: Ghost don't exists"
2390 :	jwilke	1.105	g>xt ;
2391 :	jwilke	1.52
2392 :	jwilke	1.103	\ FIXME: this works for the current use cases, but is not
2393 :			\ in all cases correct ;-)
2394 :			: comp' X ' 0 ;
2395 :
2396 :	jwilke	1.52	Cond: ['] T ' H alit, ;Cond
2397 :
2398 :			>CROSS
2399 :
2400 :			: [T']
2401 :			\ returns the target-cfa of a ghost, or compiles it as literal
2402 :	jwilke	1.115	postpone [G']
2403 :			state @ IF postpone g>xt ELSE g>xt THEN ; immediate
2404 :	pazsan	1.42
2405 :	jwilke	1.52	\ \ threading modell 13dec92py
2406 :			\ modularized 14jun97jaw
2407 :
2408 :	jwilke	1.106	T 2 cells H Value xt>body
2409 :	jwilke	1.52
2410 :	jwilke	1.103	: (>body) ( cfa -- pfa )
2411 :	jwilke	1.105	xt>body + ; ' (>body) plugin-of t>body
2412 :
2413 :			: fillcfa ( usedcells -- )
2414 :	jwilke	1.106	T cells H xt>body swap -
2415 :	jwilke	1.105	assert1( dup 0 >= )
2416 :			0 ?DO 0 X c, tchar +LOOP ;
2417 :	jwilke	1.52
2418 :	jwilke	1.103	: (doer,) ( ghost -- )
2419 :	jwilke	1.105	addr, 1 fillcfa ; ' (doer,) plugin-of doer,
2420 :	jwilke	1.52
2421 :	jwilke	1.105	: (docol,) ( -- ) [G'] :docol (doer,) ; ' (docol,) plugin-of docol,
2422 :	jwilke	1.52
2423 :	jwilke	1.121	' NOOP plugin-of ca>native
2424 :
2425 :	jwilke	1.52	: (doprim,) ( -- )
2426 :	jwilke	1.105	there xt>body + ca>native T a, H 1 fillcfa ; ' (doprim,) plugin-of doprim,
2427 :	jwilke	1.52
2428 :			: (doeshandler,) ( -- )
2429 :	anton	1.171	T H ; ' (doeshandler,) plugin-of doeshandler,
2430 :	jwilke	1.52
2431 :			: (dodoes,) ( does-action-ghost -- )
2432 :	pazsan	1.119	]comp [G'] :dodoes addr, comp[
2433 :	jwilke	1.52	addr,
2434 :	jwilke	1.105	2 fillcfa ; ' (dodoes,) plugin-of dodoes,
2435 :	jwilke	1.52
2436 :	jwilke	1.107	: (dlit,) ( n -- ) compile lit td, ; ' (dlit,) plugin-of dlit,
2437 :
2438 :			: (lit,) ( n -- ) s>d dlit, ; ' (lit,) plugin-of lit,
2439 :	jwilke	1.52
2440 :	jwilke	1.67	\ if we dont produce relocatable code alit, defaults to lit, jaw
2441 :	jwilke	1.84	\ this is just for convenience, so we don't have to define alit,
2442 :			\ seperately for embedded systems....
2443 :			T has? relocate H
2444 :	jwilke	1.67	[IF]
2445 :	jwilke	1.105	: (alit,) ( n -- ) compile lit T a, H ; ' (alit,) plugin-of alit,
2446 :	jwilke	1.67	[ELSE]
2447 :	jwilke	1.105	: (alit,) ( n -- ) lit, ; ' (alit,) plugin-of alit,
2448 :	jwilke	1.67	[THEN]
2449 :	jwilke	1.52
2450 :	jwilke	1.105	: (fini,) compile ;s ; ' (fini,) plugin-of fini,
2451 :	pazsan	1.42
2452 :	pazsan	1.43	[IFUNDEF] (code)
2453 :			Defer (code)
2454 :			Defer (end-code)
2455 :			[THEN]
2456 :
2457 :	anton	1.1	>TARGET
2458 :	pazsan	1.43	: Code
2459 :	jwilke	1.52	defempty?
2460 :	jwilke	1.121	(THeader ( ghost )
2461 :			['] prim-resolved over >comp !
2462 :	jwilke	1.122	there resolve-noforwards
2463 :	jwilke	1.121
2464 :	jwilke	1.53	[ T e? prims H 0= [IF] T e? ITC H [ELSE] true [THEN] ] [IF]
2465 :	jwilke	1.52	doprim,
2466 :	anton	1.48	[THEN]
2467 :			depth (code) ;
2468 :	pazsan	1.43
2469 :	jwilke	1.121	\ FIXME : no-compile -1 ABORT" this ghost is not for compilation" ;
2470 :
2471 :	pazsan	1.43	: Code:
2472 :	jwilke	1.52	defempty?
2473 :	jwilke	1.121	Ghost >r
2474 :	jwilke	1.123	r@ >ghostname there symentry
2475 :	jwilke	1.122	r@ there ca>native resolve-noforwards
2476 :	jwilke	1.121	<do:> r@ >magic !
2477 :			r> drop
2478 :	pazsan	1.43	depth (code) ;
2479 :
2480 :			: end-code
2481 :	jwilke	1.52	(end-code)
2482 :	pazsan	1.43	depth ?dup IF 1- <> ABORT" CROSS: Stack changed"
2483 :			ELSE true ABORT" CROSS: Stack empty" THEN
2484 :	jwilke	1.52	;
2485 :	anton	1.14
2486 :	anton	1.1	>CROSS
2487 :	jwilke	1.52
2488 :	anton	1.1	\ tLiteral 12dec92py
2489 :
2490 :			>TARGET
2491 :	pazsan	1.40	Cond: \G T-\G ;Cond
2492 :
2493 :	jwilke	1.105	Cond: Literal ( n -- ) lit, ;Cond
2494 :	jwilke	1.103	Cond: ALiteral ( n -- ) alit, ;Cond
2495 :	anton	1.1
2496 :			: Char ( "<char>" -- ) bl word char+ c@ ;
2497 :	jwilke	1.103	Cond: [Char] ( "<char>" -- ) Char lit, ;Cond
2498 :
2499 :	jwilke	1.139	: (x#) ( adr len base -- )
2500 :			base @ >r base ! 0 0 name >number 2drop drop r> base ! ;
2501 :
2502 :			: d# $0a (x#) ;
2503 :			: h# $010 (x#) ;
2504 :
2505 :			Cond: d# $0a (x#) lit, ;Cond
2506 :			Cond: h# $010 (x#) lit, ;Cond
2507 :
2508 :	jwilke	1.104	tchar 1 = [IF]
2509 :	jwilke	1.110	Cond: chars ;Cond
2510 :	jwilke	1.104	[THEN]
2511 :	anton	1.1
2512 :	pazsan	1.43	\ some special literals 27jan97jaw
2513 :
2514 :			Cond: MAXU
2515 :	jwilke	1.125	-1 s>d dlit,
2516 :	jwilke	1.52	;Cond
2517 :	pazsan	1.43
2518 :	jwilke	1.125	tcell 2 = tcell 4 = or tcell 8 = or 0=
2519 :			[IF]
2520 :			.( Warning: MINI and MAXI may not work with this host) cr
2521 :			[THEN]
2522 :
2523 :	pazsan	1.43	Cond: MINI
2524 :	jwilke	1.125	tcell 2 = IF $8000 ELSE $80000000 THEN 0
2525 :			tcell 8 = IF swap THEN dlit,
2526 :	jwilke	1.52	;Cond
2527 :	pazsan	1.43
2528 :			Cond: MAXI
2529 :	jwilke	1.125	tcell 2 = IF $7fff ELSE $7fffffff THEN 0
2530 :			tcell 8 = IF drop -1 swap THEN dlit,
2531 :			;Cond
2532 :	pazsan	1.43
2533 :	anton	1.1	>CROSS
2534 :	jwilke	1.115
2535 :	anton	1.1	\ Target compiling loop 12dec92py
2536 :			\ ">tib trick thrown out 10may93jaw
2537 :			\ number? defined at the top 11may93jaw
2538 :	jwilke	1.77	\ replaced >in by save-input
2539 :
2540 :			: discard 0 ?DO drop LOOP ;
2541 :	anton	1.1
2542 :			\ compiled word might leave items on stack!
2543 :	jwilke	1.77	: tcom ( x1 .. xn n name -- )
2544 :			\ dup count type space
2545 :	jwilke	1.103	gfind
2546 :			IF >r ( discard saved input state ) discard r>
2547 :			dup >exec-compile @ ?dup
2548 :			IF nip execute-exec-compile ELSE gexecute THEN
2549 :	jwilke	1.77	EXIT
2550 :			THEN
2551 :	anton	1.167	(number?) dup
2552 :	jwilke	1.77	IF 0> IF swap lit, THEN lit, discard
2553 :	jwilke	1.103	ELSE 2drop restore-input throw Ghost gexecute THEN ;
2554 :	anton	1.1
2555 :			\ : ; DOES> 13dec92py
2556 :			\ ] 9may93py/jaw
2557 :
2558 :	jwilke	1.115	>CROSS
2559 :
2560 :	jwilke	1.105	: compiling-state ( -- )
2561 :			\G set states to compililng
2562 :	pazsan	1.54	Compiling comp-state !
2563 :	jwilke	1.103	\ if we have a state in target, change it with the compile state
2564 :	jwilke	1.105	[G'] state dup undefined? 0=
2565 :			IF >ghost-xt @ execute X on ELSE drop THEN ;
2566 :
2567 :			: interpreting-state ( -- )
2568 :			\G set states to interpreting
2569 :			\ if target has a state variable, change it according to our state
2570 :			[G'] state dup undefined? 0=
2571 :			IF >ghost-xt @ execute X off ELSE drop THEN
2572 :			Interpreting comp-state ! ;
2573 :	jwilke	1.115
2574 :			>TARGET
2575 :	jwilke	1.105
2576 :			: ]
2577 :			compiling-state
2578 :	anton	1.1	BEGIN
2579 :	jwilke	1.77	BEGIN save-input bl word
2580 :			dup c@ 0= WHILE drop discard refill 0=
2581 :	anton	1.1	ABORT" CROSS: End of file while target compiling"
2582 :			REPEAT
2583 :			tcom
2584 :	jwilke	1.103	compiling? 0=
2585 :	anton	1.1	UNTIL ;
2586 :
2587 :			\ by the way: defining a second interpreter (a compiler-)loop
2588 :			\ is not allowed if a system should be ans conform
2589 :
2590 :	jwilke	1.110	: (:) ( ghost -- )
2591 :			\ common factor of : and :noname. Prepare ;Resolve and start definition
2592 :			;Resolve ! there ;Resolve cell+ !
2593 :			docol, ]comp colon-start depth T ] H ;
2594 :
2595 :	anton	1.1	: : ( -- colon-sys ) \ Name
2596 :	jwilke	1.52	defempty?
2597 :			constflag off \ don't let this flag work over colon defs
2598 :			\ just to go sure nothing unwanted happens
2599 :	pazsan	1.43	>in @ skip? IF drop skip-defs EXIT THEN >in !
2600 :	jwilke	1.110	(THeader (:) ;
2601 :	anton	1.1
2602 :	pazsan	1.37	: :noname ( -- colon-sys )
2603 :	pazsan	1.155	switchrom X cfalign there
2604 :	jwilke	1.110	\ define a nameless ghost
2605 :			here ghostheader dup last-header-ghost ! dup to lastghost
2606 :			(:) ;
2607 :	pazsan	1.37
2608 :	jwilke	1.103	Cond: EXIT ( -- ) compile ;S ;Cond
2609 :	anton	1.6
2610 :			Cond: ?EXIT ( -- ) 1 abort" CROSS: using ?exit" ;Cond
2611 :	pazsan	1.2
2612 :	jwilke	1.52	>CROSS
2613 :			: LastXT ;Resolve @ 0= abort" CROSS: no definition for LastXT"
2614 :			;Resolve cell+ @ ;
2615 :
2616 :			>TARGET
2617 :
2618 :	jwilke	1.103	Cond: recurse ( -- ) Last-Header-Ghost @ gexecute ;Cond
2619 :	jwilke	1.52
2620 :	jwilke	1.103	Cond: ; ( -- )
2621 :	jwilke	1.105	depth ?dup
2622 :			IF 1- <> ABORT" CROSS: Stack changed"
2623 :			ELSE true ABORT" CROSS: Stack empty"
2624 :			THEN
2625 :			colon-end
2626 :			fini,
2627 :			comp[
2628 :			;Resolve @
2629 :	pazsan	1.118	IF ['] colon-resolved ;Resolve @ >comp !
2630 :			;Resolve @ ;Resolve cell+ @ resolve
2631 :	jwilke	1.105	THEN
2632 :			interpreting-state
2633 :			;Cond
2634 :
2635 :			Cond: [ ( -- ) interpreting-state ;Cond
2636 :	anton	1.1
2637 :			>CROSS
2638 :	pazsan	1.54
2639 :	pazsan	1.117	0 Value created
2640 :	pazsan	1.54
2641 :	jwilke	1.52	: !does ( does-action -- )
2642 :	pazsan	1.54	tlastcfa @ [G'] :dovar killref
2643 :	pazsan	1.117	>space here >r ghostheader space>
2644 :	jwilke	1.121	['] colon-resolved r@ >comp !
2645 :	pazsan	1.117	r@ created >do:ghost ! r@ swap resolve
2646 :			r> tlastcfa @ >tempdp dodoes, tempdp> ;
2647 :	jwilke	1.103
2648 :	pazsan	1.147	Defer instant-interpret-does>-hook ' noop IS instant-interpret-does>-hook
2649 :	jwilke	1.103
2650 :	pazsan	1.162	T has? primcentric H [IF]
2651 :	pazsan	1.118	: does-resolved ( ghost -- )
2652 :	pazsan	1.182	\ g>xt dup T >body H alit, compile call T cell+ @ a, H ;
2653 :	pazsan	1.118	compile does-exec g>xt T a, H ;
2654 :	pazsan	1.134	[ELSE]
2655 :			: does-resolved ( ghost -- )
2656 :			g>xt T a, H ;
2657 :			[THEN]
2658 :	pazsan	1.118
2659 :	jwilke	1.103	: resolve-does>-part ( -- )
2660 :			\ resolve words made by builders
2661 :	jwilke	1.105	Last-Header-Ghost @ >do:ghost @ ?dup
2662 :	pazsan	1.117	IF there resolve THEN ;
2663 :	jwilke	1.103
2664 :	anton	1.1	>TARGET
2665 :	jwilke	1.103	Cond: DOES>
2666 :	pazsan	1.162	T here H [ T has? primcentric H [IF] ] 5 [ [ELSE] ] 4 [ [THEN] ] T cells
2667 :	pazsan	1.170	H + alit, compile !does compile ;s
2668 :	pazsan	1.144	doeshandler, resolve-does>-part
2669 :	anton	1.1	;Cond
2670 :	jwilke	1.103
2671 :	pazsan	1.118	: DOES>
2672 :			['] does-resolved created >comp !
2673 :			switchrom doeshandler, T here H !does
2674 :			instant-interpret-does>-hook
2675 :			depth T ] H ;
2676 :	anton	1.1
2677 :			>CROSS
2678 :	jwilke	1.108	\ Creation 01nov92py
2679 :	anton	1.1
2680 :			\ Builder 11may93jaw
2681 :
2682 :	jwilke	1.108	0 Value built
2683 :
2684 :	jwilke	1.105	: Builder ( Create-xt do-ghost "name" -- )
2685 :	jwilke	1.52	\ builds up a builder in current vocabulary
2686 :			\ create-xt is executed when word is interpreted
2687 :	jwilke	1.106	\ do:-xt is executed when the created word from builder is executed
2688 :	jwilke	1.105	\ for do:-xt an additional entry after the normal ghost-entrys is used
2689 :	jwilke	1.52
2690 :	jwilke	1.109	ghost to built
2691 :	jwilke	1.108	built >created @ 0= IF
2692 :			built >created on
2693 :			THEN ;
2694 :	anton	1.1
2695 :	jwilke	1.52	: gdoes, ( ghost -- )
2696 :			\ makes the codefield for a word that is built
2697 :	jwilke	1.103	>do:ghost @ dup undefined? 0=
2698 :	jwilke	1.52	IF
2699 :	pazsan	1.42	dup >magic @ <do:> =
2700 :	pazsan	1.54	IF doer,
2701 :			ELSE dodoes,
2702 :			THEN
2703 :			EXIT
2704 :	jwilke	1.52	THEN
2705 :			\ compile :dodoes gexecute
2706 :			\ T here H tcell - reloff
2707 :	pazsan	1.54	2 refered
2708 :			0 fillcfa
2709 :			;
2710 :	anton	1.1
2711 :	jwilke	1.103	: takeover-x-semantics ( S constructor-ghost new-ghost -- )
2712 :	pazsan	1.117	\g stores execution semantic and compilation semantic in the built word
2713 :			swap >do:ghost @ 2dup swap >do:ghost !
2714 :	jwilke	1.110	\ we use the >exec2 field for the semantic of a created word,
2715 :			\ using exec or exec2 makes no difference for normal cross-compilation
2716 :			\ but is usefull for instant where the exec field is already
2717 :			\ defined (e.g. Vocabularies)
2718 :	jwilke	1.105	2dup >exec @ swap >exec2 !
2719 :			>comp @ swap >comp ! ;
2720 :	jwilke	1.103
2721 :	pazsan	1.118	0 Value createhere
2722 :
2723 :			: create-resolve ( -- )
2724 :			created createhere resolve 0 ;Resolve ! ;
2725 :			: create-resolve-immediate ( -- )
2726 :			create-resolve T immediate H ;
2727 :
2728 :	jwilke	1.52	: TCreate ( <name> -- )
2729 :			create-forward-warn
2730 :			IF ['] reswarn-forward IS resolve-warning THEN
2731 :	jwilke	1.103	executed-ghost @ (Theader
2732 :	pazsan	1.117	dup >created on dup to created
2733 :	pazsan	1.118	2dup takeover-x-semantics
2734 :			there to createhere drop gdoes, ;
2735 :	jwilke	1.52
2736 :			: RTCreate ( <name> -- )
2737 :			\ creates a new word with code-field in ram
2738 :			create-forward-warn
2739 :			IF ['] reswarn-forward IS resolve-warning THEN
2740 :			\ make Alias
2741 :	jwilke	1.103	executed-ghost @ (THeader
2742 :	pazsan	1.118	dup >created on dup to created
2743 :	jwilke	1.103	2dup takeover-x-semantics
2744 :	jwilke	1.105	there 0 T a, H alias-mask flag!
2745 :	jwilke	1.103	\ store poiter to code-field
2746 :	jwilke	1.52	switchram T cfalign H
2747 :			there swap T ! H
2748 :			there tlastcfa !
2749 :	pazsan	1.118	there to createhere drop gdoes, ;
2750 :	anton	1.1
2751 :			: Build: ( -- [xt] [colon-sys] )
2752 :	jwilke	1.52	:noname postpone TCreate ;
2753 :
2754 :			: BuildSmart: ( -- [xt] [colon-sys] )
2755 :			:noname
2756 :	jwilke	1.53	[ T has? rom H [IF] ]
2757 :	jwilke	1.52	postpone RTCreate
2758 :			[ [ELSE] ]
2759 :			postpone TCreate
2760 :			[ [THEN] ] ;
2761 :	anton	1.1
2762 :	jwilke	1.108	: ;Build
2763 :	pazsan	1.118	postpone create-resolve postpone ; built >exec ! ; immediate
2764 :
2765 :			: ;Build-immediate
2766 :			postpone create-resolve-immediate
2767 :			postpone ; built >exec ! ; immediate
2768 :	jwilke	1.108
2769 :	anton	1.1	: gdoes> ( ghost -- addr flag )
2770 :	jwilke	1.110	executed-ghost @ g>body ;
2771 :	anton	1.1
2772 :			\ DO: ;DO 11may93jaw
2773 :
2774 :	jwilke	1.108	: do:ghost! ( ghost -- ) built >do:ghost ! ;
2775 :			: doexec! ( xt -- ) built >do:ghost @ >exec ! ;
2776 :
2777 :			: DO: ( -- [xt] [colon-sys] )
2778 :			here ghostheader do:ghost!
2779 :	jwilke	1.110	:noname postpone gdoes> ;
2780 :	anton	1.1
2781 :	jwilke	1.108	: by: ( -- [xt] [colon-sys] ) \ name
2782 :			Ghost do:ghost!
2783 :	jwilke	1.110	:noname postpone gdoes> ;
2784 :	pazsan	1.42
2785 :	jwilke	1.108	: ;DO ( [xt] [colon-sys] -- )
2786 :			postpone ; doexec! ; immediate
2787 :	anton	1.1
2788 :	jwilke	1.109	: by ( -- ) \ Name
2789 :	jwilke	1.108	Ghost >do:ghost @ do:ghost! ;
2790 :	jwilke	1.107
2791 :	jwilke	1.109	: compile: ( --[xt] [colon-sys] )
2792 :	jwilke	1.107	\G defines a compile time action for created words
2793 :			\G by this builder
2794 :			:noname ;
2795 :
2796 :	jwilke	1.109	: ;compile ( [xt] [colon-sys] -- )
2797 :			postpone ; built >do:ghost @ >comp ! ; immediate
2798 :	jwilke	1.107
2799 :	anton	1.1	\ Variables and Constants 05dec92py
2800 :
2801 :	jwilke	1.108	Builder (Constant)
2802 :			Build: ( n -- ) ;Build
2803 :	jwilke	1.103	by: :docon ( target-body-addr -- n ) T @ H ;DO
2804 :	jwilke	1.52
2805 :	jwilke	1.108	Builder Constant
2806 :			Build: ( n -- ) T , H ;Build
2807 :	jwilke	1.52	by (Constant)
2808 :
2809 :	jwilke	1.108	Builder AConstant
2810 :			Build: ( n -- ) T A, H ;Build
2811 :	jwilke	1.52	by (Constant)
2812 :
2813 :	jwilke	1.108	Builder 2Constant
2814 :			Build: ( d -- ) T , , H ;Build
2815 :	jwilke	1.52	DO: ( ghost -- d ) T dup cell+ @ swap @ H ;DO
2816 :
2817 :	jwilke	1.108	Builder Create
2818 :			BuildSmart: ;Build
2819 :	jwilke	1.103	by: :dovar ( target-body-addr -- addr ) ;DO
2820 :	anton	1.1
2821 :	jwilke	1.108	Builder Variable
2822 :	jwilke	1.53	T has? rom H [IF]
2823 :	jwilke	1.108	Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 , H ( switchrom ) ;Build
2824 :	jwilke	1.52	by (Constant)
2825 :			[ELSE]
2826 :	jwilke	1.108	Build: T 0 , H ;Build
2827 :	anton	1.1	by Create
2828 :	jwilke	1.52	[THEN]
2829 :	anton	1.1
2830 :	jwilke	1.108	Builder 2Variable
2831 :	jwilke	1.53	T has? rom H [IF]
2832 :	jwilke	1.108	Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 , 0 , H ( switchrom ) ;Build
2833 :	pazsan	1.54	by (Constant)
2834 :			[ELSE]
2835 :	jwilke	1.108	Build: T 0 , 0 , H ;Build
2836 :	pazsan	1.54	by Create
2837 :			[THEN]
2838 :
2839 :	jwilke	1.108	Builder AVariable
2840 :	pazsan	1.54	T has? rom H [IF]
2841 :	jwilke	1.108	Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 A, H ( switchrom ) ;Build
2842 :	jwilke	1.52	by (Constant)
2843 :			[ELSE]
2844 :	jwilke	1.108	Build: T 0 A, H ;Build
2845 :	anton	1.1	by Create
2846 :	jwilke	1.52	[THEN]
2847 :	anton	1.1
2848 :	pazsan	1.3	\ User variables 04may94py
2849 :
2850 :	jwilke	1.139	: tup@ user-region >rstart @ ;
2851 :
2852 :			\ Variable tup 0 tup !
2853 :			\ Variable tudp 0 tudp !
2854 :	jwilke	1.78
2855 :	pazsan	1.3	: u, ( n -- udp )
2856 :	pazsan	1.153	current-region >r user-region activate
2857 :			X here swap X , tup@ -
2858 :	jwilke	1.139	r> activate ;
2859 :	jwilke	1.78
2860 :	pazsan	1.3	: au, ( n -- udp )
2861 :	jwilke	1.139	current-region >r user-region activate
2862 :			X here swap X a, tup@ -
2863 :			r> activate ;
2864 :
2865 :			T has? no-userspace H [IF]
2866 :
2867 :			: buildby
2868 :			ghost >exec @ built >exec ! ;
2869 :
2870 :			Builder User
2871 :			buildby Variable
2872 :			by Variable
2873 :
2874 :			Builder 2User
2875 :			buildby 2Variable
2876 :			by 2Variable
2877 :
2878 :			Builder AUser
2879 :			buildby AVariable
2880 :			by AVariable
2881 :
2882 :			[ELSE]
2883 :	jwilke	1.78
2884 :	jwilke	1.108	Builder User
2885 :			Build: 0 u, X , ;Build
2886 :	jwilke	1.139	by: :douser ( ghost -- up-addr ) X @ tup@ + ;DO
2887 :	anton	1.1
2888 :	jwilke	1.108	Builder 2User
2889 :			Build: 0 u, X , 0 u, drop ;Build
2890 :	pazsan	1.3	by User
2891 :	anton	1.1
2892 :	jwilke	1.108	Builder AUser
2893 :			Build: 0 au, X , ;Build
2894 :	pazsan	1.3	by User
2895 :	anton	1.1
2896 :	jwilke	1.139	[THEN]
2897 :
2898 :	pazsan	1.155	T has? rom H [IF]
2899 :			Builder (Value)
2900 :			Build: ( n -- ) ;Build
2901 :			by: :dovalue ( target-body-addr -- n ) T @ @ H ;DO
2902 :
2903 :			Builder Value
2904 :			Build: T here 0 A, H switchram T align here swap ! , H ;Build
2905 :			by (Value)
2906 :
2907 :			Builder AValue
2908 :			Build: T here 0 A, H switchram T align here swap ! A, H ;Build
2909 :			by (Value)
2910 :			[ELSE]
2911 :	jwilke	1.108	Builder (Value)
2912 :			Build: ( n -- ) ;Build
2913 :	pazsan	1.156	by: :dovalue ( target-body-addr -- n ) T @ H ;DO
2914 :	jwilke	1.108
2915 :	anton	1.1	Builder Value
2916 :	jwilke	1.108	BuildSmart: T , H ;Build
2917 :			by (Value)
2918 :	anton	1.1
2919 :	pazsan	1.32	Builder AValue
2920 :	jwilke	1.108	BuildSmart: T A, H ;Build
2921 :			by (Value)
2922 :	pazsan	1.155	[THEN]
2923 :	pazsan	1.32
2924 :	jwilke	1.103	Defer texecute
2925 :
2926 :	jwilke	1.108	Builder Defer
2927 :	pazsan	1.155	T has? rom H [IF]
2928 :			Build: ( -- ) T here 0 A, H switchram T align here swap ! H [T'] noop T A, H ( switchrom ) ;Build
2929 :			by: :dodefer ( ghost -- ) X @ X @ texecute ;DO
2930 :			[ELSE]
2931 :			BuildSmart: ( -- ) [T'] noop T A, H ;Build
2932 :			by: :dodefer ( ghost -- ) X @ texecute ;DO
2933 :			[THEN]
2934 :	pazsan	1.37
2935 :	jwilke	1.108	Builder interpret/compile:
2936 :	pazsan	1.118	Build: ( inter comp -- ) swap T A, A, H ;Build-immediate
2937 :	pazsan	1.37	DO: ( ghost -- ) ABORT" CROSS: Don't execute" ;DO
2938 :	pazsan	1.24
2939 :			\ Sturctures 23feb95py
2940 :
2941 :			: nalign ( addr1 n -- addr2 )
2942 :			\ addr2 is the aligned version of addr1 wrt the alignment size n
2943 :			1- tuck + swap invert and ;
2944 :	jwilke	1.109
2945 :	pazsan	1.24
2946 :	jwilke	1.108	Builder (Field)
2947 :			Build: ;Build
2948 :	pazsan	1.44	by: :dofield T @ H + ;DO
2949 :
2950 :	jwilke	1.108	Builder Field
2951 :	anton	1.51	Build: ( align1 offset1 align size "name" -- align2 offset2 )
2952 :			rot dup T , H ( align1 align size offset1 )
2953 :	jwilke	1.108	+ >r nalign r> ;Build
2954 :	pazsan	1.44	by (Field)
2955 :	pazsan	1.24
2956 :	jwilke	1.109	>TARGET
2957 :	anton	1.51	: struct T 1 chars 0 H ;
2958 :	pazsan	1.24	: end-struct T 2Constant H ;
2959 :
2960 :	jwilke	1.52	: cell% ( n -- size align )
2961 :	anton	1.51	T 1 cells H dup ;
2962 :	jwilke	1.109	>CROSS
2963 :	pazsan	1.88
2964 :	dvdkhlng	1.169	\ ABI-CODE support
2965 :			Builder (ABI-CODE)
2966 :			Build: ;Build
2967 :			by: :doabicode noop ;DO
2968 :
2969 :	anton	1.172	BUILDER (;abi-code)
2970 :			Build: ;Build
2971 :			by: :do;abicode noop ;DO
2972 :
2973 :	jwilke	1.105	\ Input-Methods 01py
2974 :	jwilke	1.103
2975 :	jwilke	1.108	Builder input-method
2976 :			Build: ( m v -- m' v ) dup T , cell+ H ;Build
2977 :	pazsan	1.88	DO: abort" Not in cross mode" ;DO
2978 :
2979 :	jwilke	1.108	Builder input-var
2980 :			Build: ( m v size -- m v' ) over T , H + ;Build
2981 :	pazsan	1.88	DO: abort" Not in cross mode" ;DO
2982 :	pazsan	1.24
2983 :	pazsan	1.177	\ Mini-OOF
2984 :
2985 :	pazsan	1.178	Builder method
2986 :			Build: ( m v -- m' v ) over T , swap cell+ swap H ;Build
2987 :			DO: abort" Not in cross mode" ;DO
2988 :
2989 :			Builder var
2990 :			Build: ( m v size -- m v+size ) over T , H + ;Build
2991 :			DO: ( o -- addr ) T @ H + ;DO
2992 :
2993 :			Builder end-class
2994 :			Build: ( addr m v -- )
2995 :			T here >r , dup , 2 cells H ?DO T ['] noop , 1 cells H +LOOP
2996 :			T cell+ dup cell+ r> rot @ 2 cells /string move H ;Build
2997 :			by Create
2998 :	pazsan	1.177
2999 :	pazsan	1.178	: class ( class -- class methods vars ) dup T 2@ H ;
3000 :			: defines ( xt class -- ) T ' >body @ + ! H ;
3001 :	pazsan	1.177
3002 :	jwilke	1.108	\ Peephole optimization 05sep01jaw
3003 :
3004 :			\ this section defines different compilation
3005 :			\ actions for created words
3006 :			\ this will help the peephole optimizer
3007 :	jwilke	1.121	\ I (jaw) took this from bernds latest cross-compiler
3008 :	jwilke	1.108	\ changes but seperated it from the original
3009 :			\ Builder words. The final plan is to put this
3010 :			\ into a seperate file, together with the peephole
3011 :			\ optimizer for cross
3012 :
3013 :
3014 :	pazsan	1.162	T has? primcentric H [IF]
3015 :	jwilke	1.108
3016 :	jwilke	1.139	\ .( loading peephole optimization) cr
3017 :
3018 :	jwilke	1.109	>CROSS
3019 :	pazsan	1.118
3020 :	jwilke	1.109	: (callc) compile call T >body a, H ; ' (callc) plugin-of colon,
3021 :	jwilke	1.121	: (callcm) T here 0 a, 0 a, H ; ' (callcm) plugin-of colonmark,
3022 :	pazsan	1.118	: (call-res) >tempdp resolved gexecute tempdp> drop ;
3023 :			' (call-res) plugin-of colon-resolve
3024 :	pazsan	1.164	T has? ec H [IF]
3025 :			: (pprim) T @ H >signed dup 0< IF $4000 - ELSE
3026 :			cr ." wrong usage of (prim) "
3027 :			dup gdiscover IF .ghost ELSE . THEN cr -1 throw THEN
3028 :			T a, H ; ' (pprim) plugin-of prim,
3029 :			[ELSE]
3030 :	jwilke	1.121	: (pprim) dup 0< IF $4000 - ELSE
3031 :			cr ." wrong usage of (prim) "
3032 :			dup gdiscover IF .ghost ELSE . THEN cr -1 throw THEN
3033 :			T a, H ; ' (pprim) plugin-of prim,
3034 :	pazsan	1.164	[THEN]
3035 :	jwilke	1.109
3036 :			\ if we want this, we have to spilt aconstant
3037 :			\ and constant!!
3038 :			\ Builder (Constant)
3039 :			\ compile: g>body X @ lit, ;compile
3040 :	jwilke	1.108
3041 :			Builder (Constant)
3042 :	pazsan	1.118	compile: g>body compile lit@ T a, H ;compile
3043 :	jwilke	1.108
3044 :			Builder (Value)
3045 :	pazsan	1.118	compile: g>body compile lit@ T a, H ;compile
3046 :	jwilke	1.108
3047 :			\ this changes also Variable, AVariable and 2Variable
3048 :			Builder Create
3049 :	pazsan	1.117	compile: g>body alit, ;compile
3050 :	jwilke	1.108
3051 :			Builder User
3052 :			compile: g>body compile useraddr T @ , H ;compile
3053 :
3054 :			Builder Defer
3055 :	pazsan	1.118	compile: g>body compile lit-perform T A, H ;compile
3056 :	jwilke	1.102
3057 :	jwilke	1.108	Builder (Field)
3058 :	pazsan	1.164	compile: g>body T @ H compile lit+ T here H reloff T , H ;compile
3059 :	pazsan	1.117
3060 :			Builder interpret/compile:
3061 :			compile: does-resolved ;compile
3062 :
3063 :			Builder input-method
3064 :			compile: does-resolved ;compile
3065 :
3066 :			Builder input-var
3067 :			compile: does-resolved ;compile
3068 :	jwilke	1.102
3069 :	jwilke	1.108	[THEN]
3070 :	jwilke	1.103
3071 :	jwilke	1.52	\ structural conditionals 17dec92py
3072 :
3073 :			>CROSS
3074 :	jwilke	1.103	: (ncontrols?) ( n -- )
3075 :			\g We expect n open control structures
3076 :			depth over u<=
3077 :			ABORT" CROSS: unstructured, stack underflow"
3078 :			0 ?DO I pick 0=
3079 :			ABORT" CROSS: unstructured"
3080 :			LOOP ; ' (ncontrols?) plugin-of ncontrols?
3081 :
3082 :			\ : ?struc ( flag -- ) ABORT" CROSS: unstructured " ;
3083 :			\ : sys? ( sys -- sys ) dup 0= ?struc ;
3084 :
3085 :	pazsan	1.180	: >mark ( -- sys ) T here 0 , H ;
3086 :	jwilke	1.52
3087 :	pazsan	1.133	X has? abranch [IF]
3088 :			: branchoffset ( src dest -- ) drop ;
3089 :			: offset, ( n -- ) X A, ;
3090 :			[ELSE]
3091 :			: branchoffset ( src dest -- ) - tchar / ; \ ?? jaw
3092 :			: offset, ( n -- ) X , ;
3093 :			[THEN]
3094 :	jwilke	1.52
3095 :	pazsan	1.133	:noname compile branch X here branchoffset offset, ;
3096 :	pazsan	1.54	IS branch, ( target-addr -- )
3097 :	pazsan	1.133	:noname compile ?branch X here branchoffset offset, ;
3098 :	pazsan	1.54	IS ?branch, ( target-addr -- )
3099 :	pazsan	1.133	:noname compile branch T here 0 H offset, ;
3100 :	pazsan	1.54	IS branchmark, ( -- branchtoken )
3101 :	pazsan	1.133	:noname compile ?branch T here 0 H offset, ;
3102 :	pazsan	1.54	IS ?branchmark, ( -- branchtoken )
3103 :	pazsan	1.133	:noname T here 0 H offset, ;
3104 :	pazsan	1.54	IS ?domark, ( -- branchtoken )
3105 :	jwilke	1.78	:noname dup X @ ?struc X here over branchoffset swap X ! ;
3106 :	pazsan	1.54	IS branchtoresolve, ( branchtoken -- )
3107 :	jwilke	1.78	:noname branchto, X here ;
3108 :	pazsan	1.54	IS branchtomark, ( -- target-addr )
3109 :	jwilke	1.52
3110 :			>TARGET
3111 :
3112 :			\ Structural Conditionals 12dec92py
3113 :
3114 :	jwilke	1.103	\ CLEANUP Cond: BUT sys? swap ;Cond
3115 :			\ CLEANUP Cond: YET sys? dup ;Cond
3116 :	jwilke	1.52
3117 :			>CROSS
3118 :
3119 :	jwilke	1.78	Variable tleavings 0 tleavings !
3120 :	jwilke	1.52
3121 :	jwilke	1.129	: (done) ( do-addr -- )
3122 :			\G resolve branches of leave and ?leave and ?do
3123 :			\G do-addr is the address of the beginning of our
3124 :			\G loop so we can take care of nested loops
3125 :	pazsan	1.54	tleavings @
3126 :			BEGIN dup
3127 :			WHILE
3128 :			>r dup r@ cell+ @ \ address of branch
3129 :			u> 0= \ lower than DO?
3130 :			WHILE
3131 :			r@ 2 cells + @ \ branch token
3132 :			branchtoresolve,
3133 :			r@ @ r> free throw
3134 :			REPEAT r> THEN
3135 :			tleavings ! drop ;
3136 :
3137 :	jwilke	1.53	>TARGET
3138 :
3139 :	jwilke	1.103	\ What for? ANS? JAW Cond: DONE ( addr -- ) (done) ;Cond
3140 :	jwilke	1.53
3141 :			>CROSS
3142 :	pazsan	1.54	: (leave) ( branchtoken -- )
3143 :	jwilke	1.53	3 cells allocate throw >r
3144 :			T here H r@ cell+ !
3145 :			r@ 2 cells + !
3146 :			tleavings @ r@ !
3147 :			r> tleavings ! ;
3148 :			>TARGET
3149 :
3150 :	jwilke	1.103	: (leave,) ( -- )
3151 :			branchmark, (leave) ; ' (leave,) plugin-of leave,
3152 :
3153 :			: (?leave,) ( -- )
3154 :			compile 0= ?branchmark, (leave) ; ' (?leave,) plugin-of ?leave,
3155 :
3156 :			Cond: LEAVE leave, ;Cond
3157 :			Cond: ?LEAVE ?leave, ;Cond
3158 :	jwilke	1.53
3159 :	pazsan	1.54	>CROSS
3160 :			\ !!JW ToDo : Move to general tools section
3161 :
3162 :			: to1 ( x1 x2 xn n -- addr )
3163 :	jwilke	1.103	\G packs n stack elements in am allocated memory region
3164 :	pazsan	1.54	dup dup 1+ cells allocate throw dup >r swap 1+
3165 :			0 DO tuck ! cell+ LOOP
3166 :			drop r> ;
3167 :	jwilke	1.103
3168 :	pazsan	1.54	: 1to ( addr -- x1 x2 xn )
3169 :			\G unpacks the elements saved by to1
3170 :			dup @ swap over cells + swap
3171 :			0 DO dup @ swap 1 cells - LOOP
3172 :			free throw ;
3173 :
3174 :	jwilke	1.129	: loop] ( target-addr -- )
3175 :			branchto,
3176 :	pazsan	1.133	dup X here branchoffset offset,
3177 :	jwilke	1.129	tcell - (done) ;
3178 :	pazsan	1.54
3179 :			: skiploop] ?dup IF branchto, branchtoresolve, THEN ;
3180 :
3181 :			>TARGET
3182 :
3183 :	jwilke	1.52	\ Structural Conditionals 12dec92py
3184 :
3185 :	jwilke	1.103	: (cs-swap) ( x1 x2 -- x2 x1 )
3186 :			swap ; ' (cs-swap) plugin-of cs-swap
3187 :
3188 :			: (ahead,) branchmark, ; ' (ahead,) plugin-of ahead,
3189 :
3190 :			: (if,) ?branchmark, ; ' (if,) plugin-of if,
3191 :
3192 :			: (then,) branchto, branchtoresolve, ; ' (then,) plugin-of then,
3193 :
3194 :			: (else,) ( ahead ) branchmark,
3195 :			swap
3196 :			( then ) branchto, branchtoresolve, ; ' (else,) plugin-of else,
3197 :
3198 :			: (begin,) branchtomark, ; ' (begin,) plugin-of begin,
3199 :
3200 :			: (while,) ( if ) ?branchmark,
3201 :			swap ; ' (while,) plugin-of while,
3202 :
3203 :			: (again,) branch, ; ' (again,) plugin-of again,
3204 :
3205 :			: (until,) ?branch, ; ' (until,) plugin-of until,
3206 :
3207 :			: (repeat,) ( again ) branch,
3208 :			( then ) branchto, branchtoresolve, ; ' (repeat,) plugin-of repeat,
3209 :
3210 :			: (case,) ( -- n )
3211 :			0 ; ' (case,) plugin-of case,
3212 :
3213 :			: (of,) ( n -- x1 n )
3214 :			1+ >r
3215 :			compile over compile =
3216 :			if, compile drop r> ; ' (of,) plugin-of of,
3217 :
3218 :			: (endof,) ( x1 n -- x2 n )
3219 :			>r 1 ncontrols? else, r> ; ' (endof,) plugin-of endof,
3220 :
3221 :			: (endcase,) ( x1 .. xn n -- )
3222 :			compile drop 0 ?DO 1 ncontrols? then, LOOP ; ' (endcase,) plugin-of endcase,
3223 :
3224 :	jwilke	1.53	>TARGET
3225 :	jwilke	1.103	Cond: AHEAD ahead, ;Cond
3226 :			Cond: IF if, ;Cond
3227 :			Cond: THEN 1 ncontrols? then, ;Cond
3228 :			Cond: ENDIF 1 ncontrols? then, ;Cond
3229 :			Cond: ELSE 1 ncontrols? else, ;Cond
3230 :
3231 :			Cond: BEGIN begin, ;Cond
3232 :			Cond: WHILE 1 ncontrols? while, ;Cond
3233 :			Cond: AGAIN 1 ncontrols? again, ;Cond
3234 :			Cond: UNTIL 1 ncontrols? until, ;Cond
3235 :			Cond: REPEAT 2 ncontrols? repeat, ;Cond
3236 :
3237 :			Cond: CASE case, ;Cond
3238 :			Cond: OF of, ;Cond
3239 :			Cond: ENDOF endof, ;Cond
3240 :			Cond: ENDCASE endcase, ;Cond
3241 :	anton	1.1
3242 :			\ Structural Conditionals 12dec92py
3243 :
3244 :	jwilke	1.103	: (do,) ( -- target-addr )
3245 :			\ ?? i think 0 is too much! jaw
3246 :	pazsan	1.54	0 compile (do)
3247 :	jwilke	1.103	branchtomark, 2 to1 ; ' (do,) plugin-of do,
3248 :	pazsan	1.54
3249 :	jwilke	1.103	\ alternative for if no ?do
3250 :			\ : (do,)
3251 :	pazsan	1.54	\ compile 2dup compile = compile IF
3252 :			\ compile 2drop compile ELSE
3253 :			\ compile (do) branchtomark, 2 to1 ;
3254 :
3255 :	jwilke	1.103	: (?do,) ( -- target-addr )
3256 :	pazsan	1.54	0 compile (?do) ?domark, (leave)
3257 :	jwilke	1.103	branchtomark, 2 to1 ; ' (?do,) plugin-of ?do,
3258 :
3259 :			: (for,) ( -- target-addr )
3260 :			compile (for) branchtomark, ; ' (for,) plugin-of for,
3261 :
3262 :			: (loop,) ( target-addr -- )
3263 :			1to compile (loop) loop]
3264 :			compile unloop skiploop] ; ' (loop,) plugin-of loop,
3265 :
3266 :			: (+loop,) ( target-addr -- )
3267 :			1to compile (+loop) loop]
3268 :			compile unloop skiploop] ; ' (+loop,) plugin-of +loop,
3269 :
3270 :	pazsan	1.176	: (-loop,) ( target-addr -- )
3271 :			1to compile (-loop) loop]
3272 :			compile unloop skiploop] ; ' (-loop,) plugin-of -loop,
3273 :
3274 :	jwilke	1.103	: (next,)
3275 :			compile (next) loop] compile unloop ; ' (next,) plugin-of next,
3276 :
3277 :			Cond: DO do, ;Cond
3278 :			Cond: ?DO ?do, ;Cond
3279 :			Cond: FOR for, ;Cond
3280 :
3281 :			Cond: LOOP 1 ncontrols? loop, ;Cond
3282 :			Cond: +LOOP 1 ncontrols? +loop, ;Cond
3283 :	pazsan	1.176	Cond: -LOOP 1 ncontrols? -loop, ;Cond
3284 :	jwilke	1.103	Cond: NEXT 1 ncontrols? next, ;Cond
3285 :	jwilke	1.52
3286 :	anton	1.1	\ String words 23feb93py
3287 :
3288 :	jwilke	1.103	: ," [char] " parse ht-string, X align ;
3289 :	anton	1.1
3290 :	pazsan	1.130	X has? control-rack [IF]
3291 :	jwilke	1.103	Cond: ." compile (.") T ," H ;Cond
3292 :			Cond: S" compile (S") T ," H ;Cond
3293 :			Cond: C" compile (C") T ," H ;Cond
3294 :			Cond: ABORT" compile (ABORT") T ," H ;Cond
3295 :	pazsan	1.130	[ELSE]
3296 :			Cond: ." '" parse tuck 2>r ahead, there 2r> ht-mem, X align
3297 :			>r then, r> compile ALiteral compile Literal compile type ;Cond
3298 :			Cond: S" '" parse tuck 2>r ahead, there 2r> ht-mem, X align
3299 :			>r then, r> compile ALiteral compile Literal ;Cond
3300 :			Cond: C" ahead, there [char] " parse ht-string, X align
3301 :			>r then, r> compile ALiteral ;Cond
3302 :			Cond: ABORT" if, ahead, there [char] " parse ht-string, X align
3303 :			>r then, r> compile ALiteral compile c(abort") then, ;Cond
3304 :			[THEN]
3305 :	anton	1.1
3306 :	pazsan	1.155	X has? rom [IF]
3307 :	pazsan	1.181	Cond: IS cross-record-name T ' >body @ H compile ALiteral compile ! ;Cond
3308 :			: IS cross-record-name T >address ' >body @ ! H ;
3309 :	pazsan	1.155	Cond: TO T ' >body @ H compile ALiteral compile ! ;Cond
3310 :			: TO T ' >body @ ! H ;
3311 :	pazsan	1.160	Cond: CTO T ' >body H compile ALiteral compile ! ;Cond
3312 :			: CTO T ' >body ! H ;
3313 :	pazsan	1.155	[ELSE]
3314 :	pazsan	1.181	Cond: IS cross-record-name T ' >body H compile ALiteral compile ! ;Cond
3315 :			: IS cross-record-name T >address ' >body ! H ;
3316 :	pazsan	1.9	Cond: TO T ' >body H compile ALiteral compile ! ;Cond
3317 :			: TO T ' >body ! H ;
3318 :	pazsan	1.155	[THEN]
3319 :	anton	1.1
3320 :	jwilke	1.52	Cond: defers T ' >body @ compile, H ;Cond
3321 :
3322 :	anton	1.1	\ LINKED ERR" ENV" 2ENV" 18may93jaw
3323 :
3324 :			\ linked list primitive
3325 :	jwilke	1.79	: linked X here over X @ X A, swap X ! ;
3326 :	jwilke	1.52	: chained T linked A, H ;
3327 :	anton	1.1
3328 :			: err" s" ErrLink linked" evaluate T , H
3329 :	jwilke	1.103	[char] " parse ht-string, X align ;
3330 :	anton	1.1
3331 :			: env" [char] " parse s" EnvLink linked" evaluate
3332 :	jwilke	1.103	ht-string, X align X , ;
3333 :	anton	1.1
3334 :			: 2env" [char] " parse s" EnvLink linked" evaluate
3335 :	jwilke	1.103	here >r ht-string, X align X , X ,
3336 :	anton	1.1	r> dup T c@ H 80 and swap T c! H ;
3337 :
3338 :			\ compile must be last 22feb93py
3339 :
3340 :	jwilke	1.103	Cond: [compile] ( -- ) \ name
3341 :			\g For immediate words, works even if forward reference
3342 :			bl word gfind 0= ABORT" CROSS: Can't compile"
3343 :			(gexecute) ;Cond
3344 :
3345 :			Cond: postpone ( -- ) \ name
3346 :			bl word gfind 0= ABORT" CROSS: Can't compile"
3347 :			dup >magic @ <fwd> =
3348 :			ABORT" CROSS: Can't postpone on forward declaration"
3349 :			dup >magic @ <imm> =
3350 :			IF (gexecute)
3351 :	pazsan	1.143	ELSE >link @ alit, compile compile, THEN ;Cond
3352 :	pazsan	1.54
3353 :	jwilke	1.77	\ save-cross 17mar93py
3354 :
3355 :			hex
3356 :
3357 :			>CROSS
3358 :	anton	1.174	Create magic s" Gforth4x" here over allot swap move
3359 :	jwilke	1.77
3360 :			bigendian 1+ \ strangely, in magic big=0, little=1
3361 :			tcell 1 = 0 and or
3362 :			tcell 2 = 2 and or
3363 :			tcell 4 = 4 and or
3364 :			tcell 8 = 6 and or
3365 :			tchar 1 = 00 and or
3366 :			tchar 2 = 28 and or
3367 :			tchar 4 = 50 and or
3368 :			tchar 8 = 78 and or
3369 :			magic 7 + c!
3370 :
3371 :			: save-cross ( "image-name" "binary-name" -- )
3372 :	pazsan	1.152	.regions \ s" ec" X $has? IF .regions THEN
3373 :	jwilke	1.77	bl parse ." Saving to " 2dup type cr
3374 :			w/o bin create-file throw >r
3375 :	jwilke	1.113	s" header" X $has? IF
3376 :	anton	1.80	s" #! " r@ write-file throw
3377 :			bl parse r@ write-file throw
3378 :			s" --image-file" r@ write-file throw
3379 :	jwilke	1.77	#lf r@ emit-file throw
3380 :			r@ dup file-position throw drop 8 mod 8 swap ( file-id limit index )
3381 :			?do
3382 :			bl over emit-file throw
3383 :			loop
3384 :			drop
3385 :			magic 8 r@ write-file throw \ write magic
3386 :			ELSE
3387 :			bl parse 2drop
3388 :			THEN
3389 :	pazsan	1.151	>rom dictionary >rmem @ there
3390 :			s" rom" X $has? IF dictionary >rstart @ - THEN
3391 :	jwilke	1.77	r@ write-file throw \ write image
3392 :	jwilke	1.113	s" relocate" X $has? IF
3393 :	jwilke	1.139	dictionary >rbm @ there 1- tcell>bit rshift 1+
3394 :	jwilke	1.77	r@ write-file throw \ write tags
3395 :			THEN
3396 :			r> close-file throw ;
3397 :
3398 :			: save-region ( addr len -- )
3399 :			bl parse w/o bin create-file throw >r
3400 :			swap >image swap r@ write-file throw
3401 :			r> close-file throw ;
3402 :
3403 :	jwilke	1.110	\ save-asm-region 29aug01jaw
3404 :	jwilke	1.103
3405 :			Variable name-ptr
3406 :			Create name-buf 200 chars allot
3407 :			: init-name-buf name-buf name-ptr ! ;
3408 :			: nb, name-ptr @ c! 1 chars name-ptr +! ;
3409 :			: $nb, ( adr len -- ) bounds ?DO I c@ nb, LOOP ;
3410 :			: @nb name-ptr @ name-buf tuck - ;
3411 :
3412 :			\ stores a usefull string representation of the character
3413 :			\ in the name buffer
3414 :			: name-char, ( c -- )
3415 :			dup 'a 'z 1+ within IF nb, EXIT THEN
3416 :			dup 'A 'Z 1+ within IF $20 + nb, EXIT THEN
3417 :			dup '0 '9 1+ within IF nb, EXIT THEN
3418 :			CASE '+ OF s" _PLUS" $nb, ENDOF
3419 :			'- OF s" _MINUS" $nb, ENDOF
3420 :			'* OF s" _STAR" $nb, ENDOF
3421 :			'/ OF s" _SLASH" $nb, ENDOF
3422 :			'' OF s" _TICK" $nb, ENDOF
3423 :			'( OF s" _OPAREN" $nb, ENDOF
3424 :			') OF s" _CPAREN" $nb, ENDOF
3425 :			'[ OF s" _OBRACKET" $nb, ENDOF
3426 :			'] OF s" _CBRACKET" $nb, ENDOF
3427 :			'! OF s" _STORE" $nb, ENDOF
3428 :			'@ OF s" _FETCH" $nb, ENDOF
3429 :			'> OF s" _GREATER" $nb, ENDOF
3430 :			'< OF s" _LESS" $nb, ENDOF
3431 :			'= OF s" _EQUAL" $nb, ENDOF
3432 :			'# OF s" _HASH" $nb, ENDOF
3433 :			'? OF s" _QUEST" $nb, ENDOF
3434 :			': OF s" _COL" $nb, ENDOF
3435 :			'; OF s" _SEMICOL" $nb, ENDOF
3436 :			', OF s" _COMMA" $nb, ENDOF
3437 :			'. OF s" _DOT" $nb, ENDOF
3438 :			'" OF s" _DQUOT" $nb, ENDOF
3439 :			dup
3440 :			base @ >r hex s>d <# #s 'X hold '_ hold #> $nb, r> base !
3441 :			ENDCASE ;
3442 :
3443 :			: label-from-ghostname ( ghost -- addr len )
3444 :			dup >ghostname init-name-buf 'L nb, bounds
3445 :			?DO I c@ name-char, LOOP
3446 :			\ we add the address to a name to make in unique
3447 :			\ because one name may appear more then once
3448 :			\ there are names (e.g. boot) that may be reference from other
3449 :			\ assembler source files, so we declare them as unique
3450 :			\ and don't add the address suffix
3451 :			dup >ghost-flags @ <unique> and 0=
3452 :			IF s" __" $nb, >link @ base @ >r hex 0 <# #s 'L hold #> r> base ! $nb,
3453 :			ELSE drop
3454 :			THEN
3455 :			@nb ;
3456 :
3457 :	jwilke	1.111	\ FIXME why disabled?!
3458 :	jwilke	1.103	: label-from-ghostnameXX ( ghost -- addr len )
3459 :			\ same as (label-from-ghostname) but caches generated names
3460 :			dup >asm-name @ ?dup IF nip count EXIT THEN
3461 :			\ dup >r (label-from-ghostname) 2dup
3462 :			align here >r string, align
3463 :			r> r> >asm-name ! ;
3464 :
3465 :			: primghostdiscover ( xt -- ghost true \| xt false )
3466 :			dup 0= IF false EXIT THEN
3467 :			>r last-prim-ghost
3468 :			BEGIN @ dup
3469 :			WHILE dup >asm-dummyaddr @ r@ =
3470 :			IF rdrop true EXIT THEN
3471 :			REPEAT
3472 :			drop r> false ;
3473 :
3474 :			: gdiscover2 ( xt -- ghost true \| xt false )
3475 :			dup taddr>region 0= IF false EXIT THEN
3476 :			dup (>regiontype) @ dup 0= IF drop false EXIT THEN
3477 :			addr-xt-ghost @ dup 0= IF drop false EXIT THEN
3478 :			nip true ;
3479 :			\ dup >ghost-name @ IF nip true ELSE drop false THEN ;
3480 :
3481 :			\ generates a label name for the target address
3482 :			: generate-label-name ( taddr -- addr len )
3483 :			gdiscover2
3484 :			IF dup >magic @ <do:> =
3485 :			IF >asm-name @ count EXIT THEN
3486 :			label-from-ghostname
3487 :			ELSE
3488 :			primghostdiscover
3489 :			IF >asm-name @ count
3490 :			ELSE base @ >r hex 0 <# #s 'L hold #> r> base !
3491 :			THEN
3492 :			THEN ;
3493 :
3494 :			Variable outfile-fd
3495 :
3496 :			: $out ( adr len -- ) outfile-fd @ write-file throw ;
3497 :			: nlout newline $out ;
3498 :			: .ux ( n -- )
3499 :			base @ hex swap 0 <# #S #> $out base ! ;
3500 :
3501 :			: save-asm-region-part-aligned ( taddr len -- 'taddr 'len )
3502 :			dup cell/ 0
3503 :			?DO nlout s" .word " $out over @relbit
3504 :			IF over X @ generate-label-name $out
3505 :			ELSE over X @ s" 0x0" $out .ux
3506 :			THEN
3507 :			tcell /string
3508 :			LOOP ;
3509 :
3510 :			: print-bytes ( taddr len n -- taddr' len' )
3511 :			over min dup 0>
3512 :			IF nlout s" .byte " $out 0
3513 :			?DO I 0> IF s" , " $out THEN
3514 :			over X c@ s" 0x0" $out .ux 1 /string
3515 :			LOOP
3516 :			THEN ;
3517 :
3518 :			: save-asm-region-part ( addr len -- )
3519 :			over dup X aligned swap - ?dup
3520 :			IF print-bytes THEN
3521 :			save-asm-region-part-aligned
3522 :			dup dup X aligned swap - ?dup
3523 :			IF 2 pick @relbit ABORT" relocated field splitted"
3524 :			print-bytes
3525 :			THEN
3526 :			2drop ;
3527 :
3528 :			: print-label ( taddr -- )
3529 :			nlout generate-label-name $out s" :" $out ;
3530 :
3531 :			: snl-calc ( taddr taddr2 -- )
3532 :			tuck over - ;
3533 :
3534 :			: skip-nolables ( taddr -- taddr2 taddr len )
3535 :			\G skips memory region where no lables are defined
3536 :			\G starting from taddr+1
3537 :			\G Labels will be introduced for each reference mark
3538 :			\G in addr-refs.
3539 :			\G This word deals with lables at byte addresses as well.
3540 :			\G The main idea is to have an intro part which
3541 :			\G skips until the next cell boundary, the middle part
3542 :			\G which skips whole cells very efficiently and the third
3543 :			\G part which skips the bytes to the label in a cell
3544 :			dup 1+ dup (>regiontype)
3545 :			( S taddr taddr-realstart type-addr )
3546 :			dup @ dup IF addr-refs @ THEN
3547 :			swap >r
3548 :			over align+ tuck tcell swap - rshift swap 0
3549 :	jwilke	1.126	?DO dup 1 and
3550 :	jwilke	1.103	IF drop rdrop snl-calc UNLOOP EXIT THEN
3551 :			2/ swap 1+ swap
3552 :			LOOP
3553 :			drop r> cell+
3554 :			( S .. taddr2 type-addr ) dup
3555 :			BEGIN dup @ dup IF addr-refs @ THEN 0= WHILE cell+ REPEAT
3556 :			dup >r swap - 1 cells / tcell * + r>
3557 :			( S .. taddr2+skiplencells type-addr )
3558 :			@ addr-refs @ 1 tcell lshift or
3559 :			BEGIN dup 1 and 0= WHILE swap 1+ swap 2/ REPEAT drop
3560 :			( S .. taddr2+skiplencells+skiplenbytes )
3561 :			snl-calc ;
3562 :
3563 :			: insert-label ( taddr -- )
3564 :			dup 0= IF drop EXIT THEN
3565 :			\ ignore everything which points outside our memory regions
3566 :			\ maybe a primitive pointer or whatever
3567 :			dup taddr>region 0= IF drop EXIT THEN
3568 :			dup >r (>regiontype) define-addr-struct addr-refs dup @
3569 :			r> tcell 1- and 1 swap lshift or swap ! ;
3570 :
3571 :			\ this generates a sorted list of addresses which must be labels
3572 :			\ it scans therefore a whole region
3573 :			: generate-label-list-region ( taddr len -- )
3574 :			BEGIN over @relbit IF over X @ insert-label THEN
3575 :			tcell /string dup 0<
3576 :			UNTIL 2drop ;
3577 :
3578 :			: generate-label-list ( -- )
3579 :			region-link
3580 :			BEGIN @ dup WHILE
3581 :			dup 0 >rlink - extent
3582 :			?dup IF generate-label-list-region ELSE drop THEN
3583 :			REPEAT drop ;
3584 :
3585 :			: create-outfile ( addr len -- )
3586 :			w/o bin create-file throw outfile-fd ! ;
3587 :
3588 :			: close-outfile ( -- )
3589 :			outfile-fd @ close-file throw ;
3590 :
3591 :			: (save-asm-region) ( region -- )
3592 :			\ ." label list..."
3593 :			generate-label-list
3594 :			\ ." ok!" cr
3595 :			extent ( S taddr len )
3596 :			over insert-label
3597 :			2dup + dup insert-label >r ( R end-label )
3598 :			( S taddr len ) drop
3599 :			BEGIN
3600 :			dup print-label
3601 :			dup r@ <> WHILE
3602 :			skip-nolables save-asm-region-part
3603 :			REPEAT drop rdrop ;
3604 :
3605 :			: lineout ( addr len -- )
3606 :			outfile-fd @ write-line throw ;
3607 :
3608 :			: save-asm-region ( region adr len -- )
3609 :			create-outfile (save-asm-region) close-outfile ;
3610 :
3611 :	pazsan	1.54	\ \ minimal definitions
3612 :
3613 :	jwilke	1.77	>MINIMAL also minimal
3614 :
3615 :	anton	1.1	\ Usefull words 13feb93py
3616 :
3617 :			: KB 400 * ;
3618 :
3619 :	pazsan	1.54	\ \ [IF] [ELSE] [THEN] ... 14sep97jaw
3620 :
3621 :			\ it is useful to define our own structures and not to rely
3622 :	jwilke	1.109	\ on the words in the host system
3623 :			\ The words in the host system might be defined with vocabularies
3624 :	pazsan	1.54	\ this doesn't work with our self-made compile-loop
3625 :
3626 :			Create parsed 20 chars allot \ store word we parsed
3627 :
3628 :			: upcase
3629 :			parsed count bounds
3630 :			?DO I c@ toupper I c! LOOP ;
3631 :
3632 :			: [ELSE]
3633 :			1 BEGIN
3634 :			BEGIN bl word count dup WHILE
3635 :	jwilke	1.77	comment? 20 umin parsed place upcase parsed count
3636 :	anton	1.128	2dup s" [IF]" str= >r
3637 :			2dup s" [IFUNDEF]" str= >r
3638 :			2dup s" [IFDEF]" str= r> or r> or
3639 :	pazsan	1.54	IF 2drop 1+
3640 :	anton	1.128	ELSE 2dup s" [ELSE]" str=
3641 :	pazsan	1.54	IF 2drop 1- dup
3642 :			IF 1+
3643 :			THEN
3644 :			ELSE
3645 :	anton	1.128	2dup s" [ENDIF]" str= >r
3646 :			s" [THEN]" str= r> or
3647 :	pazsan	1.54	IF 1- THEN
3648 :			THEN
3649 :			THEN
3650 :			?dup 0= ?EXIT
3651 :			REPEAT
3652 :			2drop refill 0=
3653 :			UNTIL drop ; immediate
3654 :
3655 :			: [THEN] ( -- ) ; immediate
3656 :
3657 :			: [ENDIF] ( -- ) ; immediate
3658 :
3659 :			: [IF] ( flag -- )
3660 :			0= IF postpone [ELSE] THEN ; immediate
3661 :
3662 :			Cond: [IF] postpone [IF] ;Cond
3663 :			Cond: [THEN] postpone [THEN] ;Cond
3664 :			Cond: [ELSE] postpone [ELSE] ;Cond
3665 :
3666 :	anton	1.1	\ define new [IFDEF] and [IFUNDEF] 20may93jaw
3667 :
3668 :	jwilke	1.77	: defined? tdefined? ;
3669 :	pazsan	1.44	: needed? needed? ;
3670 :			: doer? doer? ;
3671 :	anton	1.1
3672 :	jwilke	1.52	\ we want to use IFDEF on compiler directives (e.g. E?) in the source, too
3673 :
3674 :			: directive?
3675 :	jwilke	1.77	bl word count [ ' target >wordlist ] literal search-wordlist
3676 :	jwilke	1.52	dup IF nip THEN ;
3677 :
3678 :			: [IFDEF] >in @ directive? swap >in !
3679 :	jwilke	1.77	0= IF tdefined? ELSE name 2drop true THEN
3680 :	jwilke	1.52	postpone [IF] ;
3681 :
3682 :	jwilke	1.77	: [IFUNDEF] tdefined? 0= postpone [IF] ;
3683 :	anton	1.1
3684 :	pazsan	1.54	Cond: [IFDEF] postpone [IFDEF] ;Cond
3685 :
3686 :			Cond: [IFUNDEF] postpone [IFUNDEF] ;Cond
3687 :
3688 :	anton	1.1	\ C: \- \+ Conditional Compiling 09jun93jaw
3689 :
3690 :	jwilke	1.77	: C: >in @ tdefined? 0=
3691 :			IF >in ! X :
3692 :	anton	1.1	ELSE drop
3693 :			BEGIN bl word dup c@
3694 :	anton	1.128	IF count comment? s" ;" str= ?EXIT
3695 :	anton	1.1	ELSE refill 0= ABORT" CROSS: Out of Input while C:"
3696 :			THEN
3697 :			AGAIN
3698 :			THEN ;
3699 :
3700 :	jwilke	1.74	: d? d? ;
3701 :
3702 :	jwilke	1.123	: \D ( -- "debugswitch" )
3703 :	jwilke	1.74	\G doesn't skip line when debug switch is on
3704 :	jwilke	1.123	D? 0= IF postpone \ THEN ;
3705 :	jwilke	1.52
3706 :	jwilke	1.123	: \- ( -- "wordname" )
3707 :	anton	1.48	\G interprets the line if word is not defined
3708 :	jwilke	1.123	tdefined? IF postpone \ THEN ;
3709 :	anton	1.48
3710 :	jwilke	1.123	: \+ ( -- "wordname" )
3711 :	anton	1.48	\G interprets the line if word is defined
3712 :	jwilke	1.123	tdefined? 0= IF postpone \ THEN ;
3713 :
3714 :			: \? ( -- "envorinstring" )
3715 :			\G Skip line if environmental variable evaluates to false
3716 :			X has? 0= IF postpone \ THEN ;
3717 :	anton	1.1
3718 :	anton	1.48	Cond: \- \- ;Cond
3719 :			Cond: \+ \+ ;Cond
3720 :	jwilke	1.52	Cond: \D \D ;Cond
3721 :	jwilke	1.123	Cond: \? \? ;Cond
3722 :	anton	1.48
3723 :			: ?? bl word find IF execute ELSE drop 0 THEN ;
3724 :
3725 :			: needed:
3726 :			\G defines ghost for words that we want to be compiled
3727 :	jwilke	1.103	BEGIN >in @ bl word c@ WHILE >in ! Ghost drop REPEAT drop ;
3728 :	anton	1.48
3729 :	anton	1.1	\ words that should be in minimal
3730 :	jwilke	1.52
3731 :			create s-buffer 50 chars allot
3732 :
3733 :	jwilke	1.77	bigendian Constant bigendian
3734 :	anton	1.1
3735 :	jwilke	1.52	: here there ;
3736 :	jwilke	1.67	: equ constant ;
3737 :			: mark there constant ;
3738 :	pazsan	1.54
3739 :			\ compiler directives
3740 :	jwilke	1.52	: >ram >ram ;
3741 :			: >rom >rom ;
3742 :			: >auto >auto ;
3743 :			: >tempdp >tempdp ;
3744 :			: tempdp> tempdp> ;
3745 :			: const constflag on ;
3746 :	jwilke	1.103
3747 :			: Redefinitions-start
3748 :			\G Starts a redefinition section. Warnings are disabled and
3749 :			\G existing ghosts are reused. This is used in the kernel
3750 :			\G where ( and \ and the like are redefined
3751 :			twarnings off warnings off reuse-ghosts on ;
3752 :
3753 :			: Redefinitions-end
3754 :			\G Ends a redefinition section. Warnings are enabled again.
3755 :			twarnings on warnings on reuse-ghosts off ;
3756 :
3757 :			: warnings name 3 =
3758 :			IF twarnings off warnings off ELSE twarnings on warnings on THEN drop ;
3759 :	jwilke	1.102
3760 :	anton	1.60	: \| ;
3761 :			\ : \| NoHeaderFlag on ; \ This is broken (damages the last word)
3762 :	jwilke	1.52
3763 :	anton	1.48	: save-cross save-cross ;
3764 :	jwilke	1.52	: save-region save-region ;
3765 :			: tdump swap >image swap dump ;
3766 :
3767 :	anton	1.48	also forth
3768 :	jwilke	1.52	[IFDEF] Label : Label defempty? Label ; [THEN]
3769 :			[IFDEF] start-macros : start-macros defempty? start-macros ; [THEN]
3770 :	jwilke	1.77	\ [IFDEF] builttag : builttag builttag ; [THEN]
3771 :	anton	1.48	previous
3772 :
3773 :	jwilke	1.52	: s" [char] " parse s-buffer place s-buffer count ; \ for environment?
3774 :	pazsan	1.43	: + + ;
3775 :	jwilke	1.52	: 1+ 1 + ;
3776 :			: 2+ 2 + ;
3777 :	pazsan	1.43	: 1- 1- ;
3778 :			: - - ;
3779 :	jwilke	1.52	: and and ;
3780 :			: or or ;
3781 :	pazsan	1.43	: 2* 2* ;
3782 :			: * * ;
3783 :			: / / ;
3784 :			: dup dup ;
3785 :	jwilke	1.139	: ?dup ?dup ;
3786 :	pazsan	1.43	: over over ;
3787 :			: swap swap ;
3788 :			: rot rot ;
3789 :			: drop drop ;
3790 :	jwilke	1.139	: 2drop 2drop ;
3791 :	pazsan	1.43	: = = ;
3792 :	jwilke	1.122	: <> <> ;
3793 :	pazsan	1.43	: 0= 0= ;
3794 :			: lshift lshift ;
3795 :			: 2/ 2/ ;
3796 :	jwilke	1.139	: hex. base @ $10 base ! swap . base ! ;
3797 :			: invert invert ;
3798 :	pazsan	1.159	: linkstring ( addr u n addr -- )
3799 :			X here over X @ X , swap X ! X , ht-string, X align ;
3800 :	jwilke	1.103	\ : . . ;
3801 :	anton	1.1
3802 :	jwilke	1.79	: all-words ['] forced? IS skip? ;
3803 :	pazsan	1.43	: needed-words ['] needed? IS skip? ;
3804 :	jwilke	1.75	: undef-words ['] defined2? IS skip? ;
3805 :			: skipdef skipdef ;
3806 :	anton	1.1
3807 :	pazsan	1.40	: \ postpone \ ; immediate
3808 :	pazsan	1.47	: \G T-\G ; immediate
3809 :	pazsan	1.40	: ( postpone ( ; immediate
3810 :	anton	1.1	: include bl word count included ;
3811 :	jwilke	1.103	: included swap >image swap included ;
3812 :	jwilke	1.52	: require require ;
3813 :	jwilke	1.103	: needs require ;
3814 :	anton	1.1	: .( [char] ) parse type ;
3815 :	jwilke	1.139	: ERROR" [char] " parse
3816 :			rot
3817 :			IF cr ." * " type ." *" -1 ABORT" CROSS: Target error, see text above"
3818 :			ELSE 2drop
3819 :			THEN ;
3820 :	jwilke	1.52	: ." [char] " parse type ;
3821 :	anton	1.1	: cr cr ;
3822 :
3823 :	jwilke	1.77	: times 0 ?DO dup X c, LOOP drop ; \ used for space table creation
3824 :
3825 :			\ only forth also cross also minimal definitions order
3826 :	anton	1.1
3827 :			\ cross-compiler words
3828 :
3829 :	jwilke	1.103	: decimal decimal [g'] decimal >exec2 @ ?dup IF EXECUTE THEN ;
3830 :			: hex hex [g'] hex >exec2 @ ?dup IF EXECUTE THEN ;
3831 :	anton	1.1
3832 :	jwilke	1.77	\ : tudp X tudp ;
3833 :			\ : tup X tup ;
3834 :
3835 :			: doc-off false to-doc ! ;
3836 :			: doc-on true to-doc ! ;
3837 :	pazsan	1.39
3838 :	jwilke	1.103	: declareunique ( "name" -- )
3839 :	anton	1.127	\ Sets the unique flag for a ghost. The assembler output
3840 :			\ generates labels with the ghostname concatenated with the address
3841 :			\ while cross-compiling. The address is concatenated
3842 :			\ because we have double occurences of the same name.
3843 :			\ If we want to reference the labels from the assembler or C
3844 :			\ code we declare them unique, so the address is skipped.
3845 :	jwilke	1.103	Ghost >ghost-flags dup @ <unique> or swap ! ;
3846 :
3847 :			\ [IFDEF] dbg : dbg dbg ; [THEN]
3848 :	pazsan	1.39
3849 :	anton	1.1	\ for debugging...
3850 :	jwilke	1.103	\ : dbg dbg ;
3851 :			: horder order ;
3852 :			: hwords words ;
3853 :			\ : words also ghosts
3854 :			\ words previous ;
3855 :	jwilke	1.105	: .s .s ;
3856 :	jwilke	1.122	: depth depth ;
3857 :	anton	1.1	: bye bye ;
3858 :	pazsan	1.99
3859 :	jwilke	1.103	\ dummy
3860 :
3861 :	anton	1.1	\ turnkey direction
3862 :			: H forth ; immediate
3863 :			: T minimal ; immediate
3864 :			: G ghosts ; immediate
3865 :
3866 :
3867 :			\ these ones are pefered:
3868 :
3869 :	jwilke	1.74	: unlock previous forth also cross ;
3870 :	jwilke	1.52
3871 :	jwilke	1.77	\ also minimal
3872 :	jwilke	1.103	>cross
3873 :
3874 :			: turnkey
3875 :			ghosts-wordlist 1 set-order
3876 :			also target definitions
3877 :			also Minimal also ;
3878 :
3879 :			>minimal
3880 :
3881 :			: [[+++
3882 :			turnkey unlock ;
3883 :	anton	1.1
3884 :			unlock definitions also minimal
3885 :	jwilke	1.77
3886 :	jwilke	1.103	: lock turnkey ;
3887 :
3888 :			Defer +++]]-hook
3889 :			: +++]] +++]]-hook lock ;
3890 :
3891 :			LOCK
3892 :	jwilke	1.77	\ load cross compiler extension defined in mach file
3893 :
3894 :			UNLOCK >CROSS
3895 :
3896 :			[IFDEF] extend-cross extend-cross [THEN]
3897 :
3898 :			LOCK

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