Annotation of gforth/cross.fs, revision 1.117
1.1 anton 1: \ CROSS.FS The Cross-Compiler 06oct92py
2: \ Idea and implementation: Bernd Paysan (py)
1.30 anton 3:
1.86 anton 4: \ Copyright (C) 1995,1996,1997,1998,1999,2000 Free Software Foundation, Inc.
1.30 anton 5:
6: \ This file is part of Gforth.
7:
8: \ Gforth is free software; you can redistribute it and/or
9: \ modify it under the terms of the GNU General Public License
10: \ as published by the Free Software Foundation; either version 2
11: \ of the License, or (at your option) any later version.
12:
13: \ This program is distributed in the hope that it will be useful,
14: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
15: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16: \ GNU General Public License for more details.
17:
18: \ You should have received a copy of the GNU General Public License
19: \ along with this program; if not, write to the Free Software
1.87 anton 20: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
1.1 anton 21:
1.67 jwilke 22: 0
23: [IF]
24:
25: ToDo:
1.107 jwilke 26: - Crossdoc destination ./doc/crossdoc.fd makes no sense when
27: cross.fs is used seperately. jaw
28: - Do we need this char translation with >address and in branchoffset?
29: (>body also affected) jaw
30: - MAXU etc. can be done with dlit,
1.67 jwilke 31:
32: [THEN]
1.48 anton 33:
1.77 jwilke 34: 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:
1.78 jwilke 56: : T previous Ghosts also Target ; immediate
1.77 jwilke 57: : G Ghosts ; immediate
58: : H previous Forth also Cross ; immediate
59:
60: forth definitions
61:
1.78 jwilke 62: : T previous Ghosts also Target ; immediate
1.77 jwilke 63: : G Ghosts ; immediate
64:
1.105 jwilke 65:
1.77 jwilke 66: : >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: \ find out whether we are compiling with gforth
75:
76: : defined? bl word find nip ;
77: defined? emit-file defined? toupper and \ drop 0
78: [IF]
79: \ use this in a gforth system
80: : \GFORTH ; immediate
81: : \ANSI postpone \ ; immediate
82: [ELSE]
83: : \GFORTH postpone \ ; immediate
84: : \ANSI ; immediate
85: [THEN]
86:
87: \ANSI : [IFUNDEF] defined? 0= postpone [IF] ; immediate
88: \ANSI : [IFDEF] defined? postpone [IF] ; immediate
89: 0 \ANSI drop 1
90: [IF]
91: : \G postpone \ ; immediate
92: : rdrop postpone r> postpone drop ; immediate
93: : name bl word count ;
94: : bounds over + swap ;
95: : scan >r BEGIN dup WHILE over c@ r@ <> WHILE 1 /string REPEAT THEN rdrop ;
96: : linked here over @ , swap ! ;
97: : alias create , DOES> @ EXECUTE ;
98: : defer ['] noop alias ;
99: : is state @
100: IF ' >body postpone literal postpone !
101: ELSE ' >body ! THEN ; immediate
102: : 0>= 0< 0= ;
103: : d<> rot <> -rot <> or ;
104: : toupper dup [char] a [char] z 1+ within IF [char] A [char] a - + THEN ;
105: Variable ebuf
106: : emit-file ( c fd -- ior ) swap ebuf c! ebuf 1 chars rot write-file ;
107: 0a Constant #lf
108: 0d Constant #cr
109:
110: [IFUNDEF] Warnings Variable Warnings [THEN]
111:
112: \ \ Number parsing 23feb93py
113:
114: \ number? number 23feb93py
115:
116: Variable dpl
117:
118: hex
119: Create bases 10 , 2 , A , 100 ,
120: \ 16 2 10 character
121:
122: \ !! protect BASE saving wrapper against exceptions
123: : getbase ( addr u -- addr' u' )
124: over c@ [char] $ - dup 4 u<
125: IF
126: cells bases + @ base ! 1 /string
127: ELSE
128: drop
129: THEN ;
130:
131: : sign? ( addr u -- addr u flag )
132: over c@ [char] - = dup >r
133: IF
134: 1 /string
135: THEN
136: r> ;
137:
138: : s>unumber? ( addr u -- ud flag )
1.78 jwilke 139: over [char] ' =
140: IF \ a ' alone is rather unusual :-)
141: drop char+ c@ 0 true EXIT
142: THEN
1.77 jwilke 143: base @ >r dpl on getbase
144: 0. 2swap
145: BEGIN ( d addr len )
146: dup >r >number dup
147: WHILE \ there are characters left
148: dup r> -
149: WHILE \ the last >number parsed something
150: dup 1- dpl ! over c@ [char] . =
151: WHILE \ the current char is '.'
152: 1 /string
153: REPEAT THEN \ there are unparseable characters left
154: 2drop false
155: ELSE
156: rdrop 2drop true
157: THEN
158: r> base ! ;
159:
160: \ ouch, this is complicated; there must be a simpler way - anton
161: : s>number? ( addr len -- d f )
162: \ converts string addr len into d, flag indicates success
163: sign? >r
164: s>unumber?
165: 0= IF
166: rdrop false
167: ELSE \ no characters left, all ok
168: r>
169: IF
170: dnegate
171: THEN
172: true
173: THEN ;
174:
175: : s>number ( addr len -- d )
176: \ don't use this, there is no way to tell success
177: s>number? drop ;
178:
179: : snumber? ( c-addr u -- 0 / n -1 / d 0> )
180: s>number? 0=
181: IF
182: 2drop false EXIT
183: THEN
184: dpl @ dup 0< IF
185: nip
186: ELSE
187: 1+
188: THEN ;
189:
190: : number? ( string -- string 0 / n -1 / d 0> )
191: dup >r count snumber? dup if
192: rdrop
193: else
194: r> swap
195: then ;
196:
197: : number ( string -- d )
198: number? ?dup 0= abort" ?" 0<
199: IF
200: s>d
201: THEN ;
202:
203: [THEN]
1.48 anton 204:
1.115 jwilke 205: \ this provides assert( and struct stuff
206: \GFORTH [IFUNDEF] assert1(
207: \GFORTH also forth definitions require assert.fs previous
208: \GFORTH [THEN]
209:
210: >CROSS
211:
1.52 jwilke 212: hex \ the defualt base for the cross-compiler is hex !!
1.78 jwilke 213: \ Warnings off
1.52 jwilke 214:
215: \ words that are generaly useful
216:
1.59 pazsan 217: : KB 400 * ;
1.52 jwilke 218: : >wordlist ( vocabulary-xt -- wordlist-struct )
219: also execute get-order swap >r 1- set-order r> ;
220:
221: : umax 2dup u< IF swap THEN drop ;
222: : umin 2dup u> IF swap THEN drop ;
1.1 anton 223:
1.23 pazsan 224: : string, ( c-addr u -- )
225: \ puts down string as cstring
226: dup c, here swap chars dup allot move ;
1.5 pazsan 227:
1.77 jwilke 228: : ," [char] " parse string, ;
229:
1.52 jwilke 230: : SetValue ( n -- <name> )
1.54 pazsan 231: \G Same behaviour as "Value" if the <name> is not defined
232: \G Same behaviour as "to" if <name> is defined
1.52 jwilke 233: \G SetValue searches in the current vocabulary
1.68 jwilke 234: save-input bl word >r restore-input throw r> count
235: get-current search-wordlist
236: IF drop >r
237: \ we have to set current to be topmost context wordlist
238: get-order get-order get-current swap 1+ set-order
239: r> ['] to execute
1.74 jwilke 240: set-order
1.68 jwilke 241: ELSE Value THEN ;
1.52 jwilke 242:
243: : DefaultValue ( n -- <name> )
1.54 pazsan 244: \G Same behaviour as "Value" if the <name> is not defined
245: \G DefaultValue searches in the current vocabulary
1.52 jwilke 246: save-input bl word >r restore-input throw r> count
247: get-current search-wordlist
1.56 pazsan 248: IF bl word drop 2drop ELSE Value THEN ;
1.1 anton 249:
250: hex
251:
1.52 jwilke 252: \ 1 Constant Cross-Flag \ to check whether assembler compiler plug-ins are
253: \ for cross-compiling
254: \ No! we use "[IFUNDEF]" there to find out whether we are target compiling!!!
255:
256: : comment? ( c-addr u -- c-addr u )
257: 2dup s" (" compare 0=
258: IF postpone (
259: ELSE 2dup s" \" compare 0= IF postpone \ THEN
260: THEN ;
261:
1.105 jwilke 262: : X bl word count [ ' target >wordlist ] Literal search-wordlist
263: IF state @ IF compile,
264: ELSE execute THEN
265: ELSE -1 ABORT" Cross: access method not supported!"
266: THEN ; immediate
267:
1.52 jwilke 268: \ Begin CROSS COMPILER:
269:
1.74 jwilke 270: \ debugging
1.52 jwilke 271:
1.74 jwilke 272: 0 [IF]
273:
274: This implements debugflags for the cross compiler and the compiled
275: images. It works identical to the has-flags in the environment.
276: The debugflags are defined in a vocabluary. If the word exists and
277: its value is true, the flag is switched on.
278:
279: [THEN]
280:
1.77 jwilke 281: >CROSS
282:
1.74 jwilke 283: Vocabulary debugflags \ debug flags for cross
284: also debugflags get-order over
285: Constant debugflags-wl
286: set-order previous
287:
288: : DebugFlag
289: get-current >r debugflags-wl set-current
290: SetValue
291: r> set-current ;
292:
293: : Debug? ( adr u -- flag )
294: \G return true if debug flag is defined or switched on
295: debugflags-wl search-wordlist
296: IF EXECUTE
297: ELSE false THEN ;
298:
299: : D? ( <name> -- flag )
300: \G return true if debug flag is defined or switched on
301: \G while compiling we do not return the current value but
302: bl word count debug? ;
303:
304: : [d?]
305: \G compile the value-xt so the debug flag can be switched
306: \G the flag must exist!
307: bl word count debugflags-wl search-wordlist
308: IF compile,
309: ELSE -1 ABORT" unknown debug flag"
310: \ POSTPONE false
311: THEN ; immediate
1.54 pazsan 312:
1.77 jwilke 313: \ \ -------------------- source file
314:
315: decimal
316:
317: Variable cross-file-list
318: 0 cross-file-list !
319: Variable target-file-list
320: 0 target-file-list !
321: Variable host-file-list
322: 0 host-file-list !
323:
324: cross-file-list Value file-list
325: 0 Value source-desc
326:
327: \ file loading
328:
329: : >fl-id 1 cells + ;
330: : >fl-name 2 cells + ;
331:
332: Variable filelist 0 filelist !
333: Create NoFile ," #load-file#"
334:
335: : loadfile ( -- adr )
336: source-desc ?dup IF >fl-name ELSE NoFile THEN ;
337:
338: : sourcefilename ( -- adr len )
339: loadfile count ;
340:
341: \ANSI : sourceline# 0 ;
342:
343: \ \ -------------------- path handling from kernel/paths.fs
344:
345: \ paths.fs path file handling 03may97jaw
346:
347: \ -Changing the search-path:
348: \ fpath+ <path> adds a directory to the searchpath
349: \ fpath= <path>|<path> makes complete now searchpath
350: \ seperator is |
351: \ .fpath displays the search path
352: \ remark I:
353: \ a ./ in the beginning of filename is expanded to the directory the
354: \ current file comes from. ./ can also be included in the search-path!
355: \ ~+/ loads from the current working directory
356:
357: \ remark II:
358: \ if there is no sufficient space for the search path increase it!
359:
360:
361: \ -Creating custom paths:
362:
363: \ It is possible to use the search mechanism on yourself.
364:
365: \ Make a buffer for the path:
366: \ create mypath 100 chars , \ maximum length (is checked)
367: \ 0 , \ real len
368: \ 100 chars allot \ space for path
369: \ use the same functions as above with:
370: \ mypath path+
371: \ mypath path=
372: \ mypath .path
373:
374: \ do a open with the search path:
375: \ open-path-file ( adr len path -- fd adr len ior )
376: \ the file is opened read-only; if the file is not found an error is generated
377:
378: \ questions to: wilke@jwdt.com
379:
380: [IFUNDEF] +place
381: : +place ( adr len adr )
382: 2dup >r >r
383: dup c@ char+ + swap move
384: r> r> dup c@ rot + swap c! ;
385: [THEN]
386:
387: [IFUNDEF] place
388: : place ( c-addr1 u c-addr2 )
389: 2dup c! char+ swap move ;
390: [THEN]
391:
392: \ if we have path handling, use this and the setup of it
393: [IFUNDEF] open-fpath-file
394:
395: create sourcepath 1024 chars , 0 , 1024 chars allot \ !! make this dynamic
396: sourcepath value fpath
397:
398: : also-path ( adr len path^ -- )
399: >r
400: \ len check
401: r@ cell+ @ over + r@ @ u> ABORT" path buffer too small!"
402: \ copy into
403: tuck r@ cell+ dup @ cell+ + swap cmove
404: \ make delimiter
405: 0 r@ cell+ dup @ cell+ + 2 pick + c! 1 + r> cell+ +!
406: ;
407:
408: : only-path ( adr len path^ -- )
409: dup 0 swap cell+ ! also-path ;
410:
411: : path+ ( path-addr "dir" -- ) \ gforth
412: \G Add the directory @var{dir} to the search path @var{path-addr}.
413: name rot also-path ;
414:
415: : fpath+ ( "dir" ) \ gforth
416: \G Add directory @var{dir} to the Forth search path.
417: fpath path+ ;
418:
419: : path= ( path-addr "dir1|dir2|dir3" ) \ gforth
420: \G Make a complete new search path; the path separator is |.
421: name 2dup bounds ?DO i c@ [char] | = IF 0 i c! THEN LOOP
422: rot only-path ;
423:
424: : fpath= ( "dir1|dir2|dir3" ) \ gforth
425: \G Make a complete new Forth search path; the path separator is |.
426: fpath path= ;
427:
428: : path>counted cell+ dup cell+ swap @ ;
429:
430: : next-path ( adr len -- adr2 len2 )
431: 2dup 0 scan
432: dup 0= IF 2drop 0 -rot 0 -rot EXIT THEN
433: >r 1+ -rot r@ 1- -rot
434: r> - ;
435:
436: : previous-path ( path^ -- )
437: dup path>counted
438: BEGIN tuck dup WHILE repeat ;
439:
440: : .path ( path-addr -- ) \ gforth
441: \G Display the contents of the search path @var{path-addr}.
442: path>counted
443: BEGIN next-path dup WHILE type space REPEAT 2drop 2drop ;
444:
445: : .fpath ( -- ) \ gforth
446: \G Display the contents of the Forth search path.
447: fpath .path ;
448:
449: : absolut-path? ( addr u -- flag ) \ gforth
450: \G A path is absolute if it starts with a / or a ~ (~ expansion),
451: \G or if it is in the form ./*, extended regexp: ^[/~]|./, or if
452: \G it has a colon as second character ("C:..."). Paths simply
453: \G containing a / are not absolute!
454: 2dup 2 u> swap 1+ c@ [char] : = and >r \ dos absoulte: c:/....
455: over c@ [char] / = >r
456: over c@ [char] ~ = >r
457: \ 2dup 3 min S" ../" compare 0= r> or >r \ not catered for in expandtopic
458: 2 min S" ./" compare 0=
459: r> r> r> or or or ;
460:
461: Create ofile 0 c, 255 chars allot
462: Create tfile 0 c, 255 chars allot
463:
464: : pathsep? dup [char] / = swap [char] \ = or ;
465:
466: : need/ ofile dup c@ + c@ pathsep? 0= IF s" /" ofile +place THEN ;
467:
468: : extractpath ( adr len -- adr len2 )
469: BEGIN dup WHILE 1-
470: 2dup + c@ pathsep? IF EXIT THEN
471: REPEAT ;
472:
473: : remove~+ ( -- )
474: ofile count 3 min s" ~+/" compare 0=
475: IF
476: ofile count 3 /string ofile place
477: THEN ;
478:
479: : expandtopic ( -- ) \ stack effect correct? - anton
480: \ expands "./" into an absolute name
481: ofile count 2 min s" ./" compare 0=
482: IF
483: ofile count 1 /string tfile place
484: 0 ofile c! sourcefilename extractpath ofile place
485: ofile c@ IF need/ THEN
486: tfile count over c@ pathsep? IF 1 /string THEN
487: ofile +place
488: THEN ;
489:
490: : compact.. ( adr len -- adr2 len2 )
1.85 pazsan 491: \ deletes phrases like "xy/.." out of our directory name 2dec97jaw
492: over swap
493: BEGIN dup WHILE
494: dup >r '/ scan 2dup 4 min s" /../" compare 0=
495: IF
496: dup r> - >r 4 /string over r> + 4 -
497: swap 2dup + >r move dup r> over -
498: ELSE
499: rdrop dup 1 min /string
500: THEN
501: REPEAT drop over - ;
1.77 jwilke 502:
503: : reworkdir ( -- )
504: remove~+
505: ofile count compact..
506: nip ofile c! ;
507:
508: : open-ofile ( -- fid ior )
509: \G opens the file whose name is in ofile
510: expandtopic reworkdir
511: ofile count r/o open-file ;
512:
513: : check-path ( adr1 len1 adr2 len2 -- fd 0 | 0 <>0 )
514: 0 ofile ! >r >r ofile place need/
515: r> r> ofile +place
516: open-ofile ;
517:
518: : open-path-file ( addr1 u1 path-addr -- wfileid addr2 u2 0 | ior ) \ gforth
519: \G Look in path @var{path-addr} for the file specified by @var{addr1 u1}.
520: \G If found, the resulting path and an open file descriptor
521: \G are returned. If the file is not found, @var{ior} is non-zero.
522: >r
523: 2dup absolut-path?
524: IF rdrop
525: ofile place open-ofile
526: dup 0= IF >r ofile count r> THEN EXIT
527: ELSE r> path>counted
528: BEGIN next-path dup
529: WHILE 5 pick 5 pick check-path
530: 0= IF >r 2drop 2drop r> ofile count 0 EXIT ELSE drop THEN
531: REPEAT
532: 2drop 2drop 2drop -38
533: THEN ;
534:
535: : open-fpath-file ( addr1 u1 -- wfileid addr2 u2 0 | ior ) \ gforth
536: \G Look in the Forth search path for the file specified by @var{addr1 u1}.
537: \G If found, the resulting path and an open file descriptor
538: \G are returned. If the file is not found, @var{ior} is non-zero.
539: fpath open-path-file ;
540:
541: fpath= ~+
542:
543: [THEN]
544:
545: \ \ -------------------- include require 13may99jaw
546:
547: >CROSS
548:
549: : add-included-file ( adr len -- adr )
550: dup >fl-name char+ allocate throw >r
551: file-list @ r@ ! r@ file-list !
552: r@ >fl-name place r> ;
553:
554: : included? ( c-addr u -- f )
555: file-list
556: BEGIN @ dup
557: WHILE >r 2dup r@ >fl-name count compare 0=
558: IF rdrop 2drop true EXIT THEN
559: r>
560: REPEAT
561: 2drop drop false ;
562:
563: false DebugFlag showincludedfiles
564:
565: : included1 ( fd adr u -- )
566: \ include file adr u / fd
567: \ we don't use fd with include-file, because the forth system
568: \ doesn't know the name of the file to get a nice error report
569: [d?] showincludedfiles
570: IF cr ." Including: " 2dup type ." ..." THEN
571: rot close-file throw
572: source-desc >r
573: add-included-file to source-desc
574: sourcefilename
575: ['] included catch
576: r> to source-desc
577: throw ;
578:
579: : included ( adr len -- )
580: cross-file-list to file-list
581: open-fpath-file throw
582: included1 ;
583:
584: : required ( adr len -- )
585: cross-file-list to file-list
586: open-fpath-file throw \ 2dup cr ." R:" type
587: 2dup included?
588: IF 2drop close-file throw
589: ELSE included1
590: THEN ;
591:
592: : include bl word count included ;
593:
594: : require bl word count required ;
595:
1.78 jwilke 596: 0 [IF]
597:
1.77 jwilke 598: also forth definitions previous
599:
600: : included ( adr len -- ) included ;
601:
602: : required ( adr len -- ) required ;
603:
604: : include include ;
605:
606: : require require ;
607:
1.78 jwilke 608: [THEN]
609:
1.77 jwilke 610: >CROSS
611: hex
612:
613: \ \ -------------------- Error Handling 05aug97jaw
614:
615: \ Flags
616:
617: also forth definitions \ these values may be predefined before
618: \ the cross-compiler is loaded
619:
620: false DefaultValue stack-warn \ check on empty stack at any definition
621: false DefaultValue create-forward-warn \ warn on forward declaration of created words
622:
623: previous >CROSS
624:
625: : .dec
626: base @ decimal swap . base ! ;
627:
628: : .sourcepos
629: cr sourcefilename type ." :"
630: sourceline# .dec ;
631:
632: : warnhead
633: \G display error-message head
634: \G perhaps with linenumber and filename
635: .sourcepos ." Warning: " ;
636:
637: : empty? depth IF .sourcepos ." Stack not empty!" THEN ;
638:
639: stack-warn [IF]
640: : defempty? empty? ;
641: [ELSE]
642: : defempty? ; immediate
643: [THEN]
644:
1.105 jwilke 645: \ \ -------------------- Compiler Plug Ins 01aug97jaw
646:
647: >CROSS
648:
649: \ Compiler States
650:
651: Variable comp-state
652: 0 Constant interpreting
653: 1 Constant compiling
654: 2 Constant resolving
655: 3 Constant assembling
656:
657: : compiling? comp-state @ compiling = ;
658:
659: : pi-undefined -1 ABORT" Plugin undefined" ;
660:
661: : Plugin ( -- : pluginname )
662: Create
663: \ for normal cross-compiling only one action
664: \ exists, this fields are identical. For the instant
665: \ simulation environment we need, two actions for each plugin
666: \ the target one and the one that generates the simulation code
667: ['] pi-undefined , \ action
668: ['] pi-undefined , \ target plugin action
669: 8765 , \ plugin magic
670: DOES> perform ;
671:
672: Plugin DummyPlugin
673:
674: : 'PI ( -- addr : pluginname )
675: ' >body dup 2 cells + @ 8765 <> ABORT" not a plugin" ;
676:
677: : plugin-of ( xt -- : pluginname )
678: dup 'PI 2! ;
679:
680: : action-of ( xt -- : plunginname )
681: 'PI cell+ ! ;
682:
683: : TPA ( -- : plugin )
684: \ target plugin action
685: \ executes current target action of plugin
686: 'PI cell+ POSTPONE literal POSTPONE perform ; immediate
687:
688: Variable ppi-temp 0 ppi-temp !
689:
690: : pa:
691: \g define plugin action
692: ppi-temp @ ABORT" pa: definition not closed"
693: 'PI ppi-temp ! :noname ;
694:
695: : ;pa
696: \g end a definition for plugin action
697: POSTPONE ; ppi-temp @ ! 0 ppi-temp ! ; immediate
698:
699:
1.107 jwilke 700: Plugin dlit, ( d -- ) \ compile numerical value the target
1.105 jwilke 701: Plugin lit, ( n -- )
702: Plugin alit, ( n -- )
703:
704: Plugin branch, ( target-addr -- ) \ compiles a branch
705: Plugin ?branch, ( target-addr -- ) \ compiles a ?branch
706: Plugin branchmark, ( -- branch-addr ) \ reserves room for a branch
707: Plugin ?branchmark, ( -- branch-addr ) \ reserves room for a ?branch
708: Plugin ?domark, ( -- branch-addr ) \ reserves room for a ?do branch
709: Plugin branchto, ( -- ) \ actual program position is target of a branch (do e.g. alignment)
710: ' NOOP plugin-of branchto,
711: Plugin branchtoresolve, ( branch-addr -- ) \ resolves a forward reference from branchmark
712: Plugin branchtomark, ( -- target-addr ) \ marks a branch destination
713:
714: Plugin colon, ( tcfa -- ) \ compiles call to tcfa at current position
1.117 ! pazsan 715: Plugin xt, ( tcfa -- ) \ compiles xt
1.105 jwilke 716: Plugin prim, ( tcfa -- ) \ compiles primitive invocation
717: Plugin colonmark, ( -- addr ) \ marks a colon call
718: Plugin colon-resolve ( tcfa addr -- )
719:
720: Plugin addr-resolve ( target-addr addr -- )
721: Plugin doer-resolve ( ghost res-pnt target-addr addr -- ghost res-pnt )
722:
723: Plugin ncontrols? ( [ xn ... x1 ] n -- ) \ checks wheter n control structures are open
724: Plugin if, ( -- if-token )
725: Plugin else, ( if-token -- if-token )
726: Plugin then, ( if-token -- )
727: Plugin ahead,
728: Plugin begin,
729: Plugin while,
730: Plugin until,
731: Plugin again,
732: Plugin repeat,
733: Plugin cs-swap ( x1 x2 -- x2 x1 )
734:
735: Plugin case, ( -- n )
736: Plugin of, ( n -- x1 n )
737: Plugin endof, ( x1 n -- x2 n )
738: Plugin endcase, ( x1 .. xn n -- )
739:
740: Plugin do, ( -- do-token )
741: Plugin ?do, ( -- ?do-token )
742: Plugin for, ( -- for-token )
743: Plugin loop, ( do-token / ?do-token -- )
744: Plugin +loop, ( do-token / ?do-token -- )
745: Plugin next, ( for-token )
746: Plugin leave, ( -- )
747: Plugin ?leave, ( -- )
748:
749: [IFUNDEF] ca>native
750: Plugin ca>native
751: [THEN]
752:
753: Plugin doprim, \ compiles start of a primitive
754: Plugin docol, \ compiles start of a colon definition
755: Plugin doer,
756: Plugin fini, \ compiles end of definition ;s
757: Plugin doeshandler,
758: Plugin dodoes,
759:
760: Plugin colon-start
761: ' noop plugin-of colon-start
762: Plugin colon-end
763: ' noop plugin-of colon-end
764:
765: Plugin ]comp \ starts compilation
766: ' noop plugin-of ]comp
767: Plugin comp[ \ ends compilation
768: ' noop plugin-of comp[
769:
770: Plugin t>body \ we need the system >body
771: \ and the target >body
772:
773: >TARGET
774: : >body t>body ;
775:
776:
1.103 jwilke 777: \ Ghost Builder 06oct92py
778:
1.105 jwilke 779: >CROSS
1.103 jwilke 780: hex
1.105 jwilke 781: \ Values for ghost magic
1.103 jwilke 782: 4711 Constant <fwd> 4712 Constant <res>
783: 4713 Constant <imm> 4714 Constant <do:>
784: 4715 Constant <skip>
785:
1.105 jwilke 786: \ Bitmask for ghost flags
1.103 jwilke 787: 1 Constant <unique>
1.105 jwilke 788: 2 Constant <primitive>
789:
790: \ FXIME: move this to general stuff?
791: : set-flag ( addr flag -- )
792: over @ or swap ! ;
793:
794: : reset-flag ( addr flag -- )
795: invert over @ and swap ! ;
796:
797: : get-flag ( addr flag -- f )
798: swap @ and 0<> ;
799:
1.103 jwilke 800:
801: Struct
1.52 jwilke 802:
1.103 jwilke 803: \ link to next ghost (always the first element)
804: cell% field >next-ghost
1.52 jwilke 805:
1.103 jwilke 806: \ type of ghost
807: cell% field >magic
808:
809: \ pointer where ghost is in target, or if unresolved
810: \ points to the where we have to resolve (linked-list)
811: cell% field >link
1.52 jwilke 812:
1.106 jwilke 813: \ execution semantics (while target compiling) of ghost
1.103 jwilke 814: cell% field >exec
1.52 jwilke 815:
1.106 jwilke 816: \ compilation action of this ghost; this is what is
817: \ done to compile a call (or whatever) to this definition.
818: \ E.g. >comp contains the semantic of postpone s"
819: \ whereas >exec-compile contains the semantic of s"
1.105 jwilke 820: cell% field >comp
821:
1.106 jwilke 822: \ Compilation sematics (while parsing) of this ghost. E.g.
823: \ "\" will skip the rest of line.
824: \ These semantics are defined by Cond: and
825: \ if a word is made immediate in instant, then the >exec2 field
826: \ gets copied to here
1.103 jwilke 827: cell% field >exec-compile
1.52 jwilke 828:
1.106 jwilke 829: \ Additional execution semantics of this ghost. This is used
830: \ for code generated by instant and for the doer-xt of created
831: \ words
1.103 jwilke 832: cell% field >exec2
1.52 jwilke 833:
1.103 jwilke 834: cell% field >created
1.52 jwilke 835:
1.103 jwilke 836: \ the xt of the created ghost word itself
837: cell% field >ghost-xt
1.52 jwilke 838:
1.103 jwilke 839: \ pointer to the counted string of the assiciated
840: \ assembler label
841: cell% field >asm-name
1.52 jwilke 842:
1.103 jwilke 843: \ mapped primitives have a special address, so
844: \ we are able to detect them
845: cell% field >asm-dummyaddr
846:
847: \ for builder (create, variable...) words
848: \ the execution symantics of words built are placed here
849: \ this is a doer ghost or a dummy ghost
850: cell% field >do:ghost
1.93 pazsan 851:
1.103 jwilke 852: cell% field >ghost-flags
1.93 pazsan 853:
1.103 jwilke 854: cell% field >ghost-name
1.52 jwilke 855:
1.103 jwilke 856: End-Struct ghost-struct
1.52 jwilke 857:
1.103 jwilke 858: Variable ghost-list
859: 0 ghost-list !
1.52 jwilke 860:
861: Variable executed-ghost \ last executed ghost, needed in tcreate and gdoes>
1.103 jwilke 862: \ Variable last-ghost \ last ghost that is created
1.52 jwilke 863: Variable last-header-ghost \ last ghost definitions with header
864:
1.103 jwilke 865: \ space for ghosts resolve structure
866: \ we create ghosts in a sepearte space
867: \ and not to the current host dp, because this
868: \ gives trouble with instant while compiling and creating
869: \ a ghost for a forward reference
870: \ BTW: we cannot allocate another memory region
871: \ because allot will check the overflow!!
872: Variable cross-space-dp
873: Create cross-space 250000 allot here 100 allot align
874: Constant cross-space-end
875: cross-space cross-space-dp !
876: Variable cross-space-dp-orig
877:
878: : cross-space-used cross-space-dp @ cross-space - ;
879:
880: : >space ( -- )
881: dp @ cross-space-dp-orig !
882: cross-space-dp @ dp ! ;
883:
884: : space> ( -- )
885: dp @ dup cross-space-dp !
886: cross-space-end u> ABORT" CROSS: cross-space overflow"
887: cross-space-dp-orig @ dp ! ;
888:
1.106 jwilke 889: \ this is just for debugging, to see this in the backtrace
1.103 jwilke 890: : execute-exec execute ;
891: : execute-exec2 execute ;
892: : execute-exec-compile execute ;
893:
894: : NoExec
895: executed-ghost @ >exec2 @
896: ?dup
897: IF execute-exec2
898: ELSE true ABORT" CROSS: Don't execute ghost, or immediate target word"
899: THEN ;
900:
1.105 jwilke 901: Defer is-forward
902:
1.103 jwilke 903: : (ghostheader) ( -- )
1.105 jwilke 904: ghost-list linked <fwd> , 0 , ['] NoExec , ['] is-forward ,
905: 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , ;
1.103 jwilke 906:
907: : ghostheader ( -- ) (ghostheader) 0 , ;
908:
909: ' Ghosts >wordlist Constant ghosts-wordlist
910:
911: \ the current wordlist for ghost definitions in the host
912: ghosts-wordlist Value current-ghosts
913:
1.52 jwilke 914: : Make-Ghost ( "name" -- ghost )
1.103 jwilke 915: >space
916: \ save current and create in ghost vocabulary
917: get-current >r current-ghosts set-current
918: >in @ Create >in !
919: \ some forth systems like iForth need the immediate directly
920: \ after the word is created
921: \ restore current
922: r> set-current
923: here (ghostheader)
924: bl word count string, align
925: space>
926: \ set ghost-xt field by doing a search
927: dup >ghost-name count
928: current-ghosts search-wordlist
929: 0= ABORT" CROSS: Just created, must be there!"
930: over >ghost-xt !
931: DOES>
932: dup executed-ghost !
933: >exec @ execute-exec ;
1.52 jwilke 934:
935: \ ghost words 14oct92py
936: \ changed: 10may93py/jaw
937:
1.103 jwilke 938: Defer search-ghosts
939:
940: : (search-ghosts) ( adr len -- cfa true | 0 )
941: current-ghosts search-wordlist ;
942:
943: ' (search-ghosts) IS search-ghosts
944:
945: : gsearch ( addr len -- ghost true | 0 )
946: search-ghosts
947: dup IF swap >body swap THEN ;
948:
949: : gfind ( string -- ghost true / string false )
1.52 jwilke 950: \ searches for string in word-list ghosts
1.103 jwilke 951: \ dup count type space
952: dup >r count gsearch
953: dup IF rdrop ELSE r> swap THEN ;
1.52 jwilke 954:
955: : gdiscover ( xt -- ghost true | xt false )
1.103 jwilke 956: >r ghost-list
1.52 jwilke 957: BEGIN @ dup
1.103 jwilke 958: WHILE dup >magic @ <fwd> <>
959: IF dup >link @ r@ =
960: IF rdrop true EXIT THEN
961: THEN
1.52 jwilke 962: REPEAT
1.103 jwilke 963: drop r> false ;
1.52 jwilke 964:
1.105 jwilke 965: : xt>ghost ( xt -- ghost )
966: gdiscover 0= ABORT" CROSS: ghost not found for this xt" ;
967:
1.103 jwilke 968: : Ghost ( "name" -- ghost )
969: >in @ bl word gfind IF nip EXIT THEN
1.52 jwilke 970: drop >in ! Make-Ghost ;
971:
972: : >ghostname ( ghost -- adr len )
1.103 jwilke 973: >ghost-name count ;
974:
975: : forward? ( ghost -- flag )
976: >magic @ <fwd> = ;
977:
978: : undefined? ( ghost -- flag )
979: >magic @ dup <fwd> = swap <skip> = or ;
980:
981: : immediate? ( ghost -- flag )
982: >magic @ <imm> = ;
983:
984: Variable TWarnings
985: TWarnings on
986: Variable Exists-Warnings
987: Exists-Warnings on
988:
989: : exists-warning ( ghost -- ghost )
990: TWarnings @ Exists-Warnings @ and
991: IF dup >ghostname warnhead type ." exists " THEN ;
992:
993: \ : HeaderGhost Ghost ;
994:
995: Variable reuse-ghosts reuse-ghosts off
996:
997: : HeaderGhost ( "name" -- ghost )
998: >in @
999: bl word count
1000: \ 2dup type space
1001: current-ghosts search-wordlist
1002: IF >body dup undefined? reuse-ghosts @ or
1003: IF nip EXIT
1004: ELSE exists-warning
1005: THEN
1006: drop >in !
1007: ELSE >in !
1008: THEN
1009: \ we keep the execution semantics of the prviously
1010: \ defined words, this is a workaround
1011: \ for the redefined \ until vocs work
1012: Make-Ghost ;
1013:
1.78 jwilke 1014: : .ghost ( ghost -- ) >ghostname type ;
1015:
1.77 jwilke 1016: \ ' >ghostname ALIAS @name
1.52 jwilke 1017:
1.115 jwilke 1018: : findghost ( "ghostname" -- ghost )
1019: bl word gfind 0= ABORT" CROSS: Ghost don't exists" ;
1020:
1.103 jwilke 1021: : [G'] ( -- ghost : name )
1022: \G ticks a ghost and returns its address
1.115 jwilke 1023: findghost
1024: state @ IF postpone literal THEN ; immediate
1.103 jwilke 1025:
1.105 jwilke 1026: : g>xt ( ghost -- xt )
1027: \G Returns the xt (cfa) of a ghost. Issues a warning if undefined.
1.103 jwilke 1028: dup undefined? ABORT" CROSS: forward " >link @ ;
1029:
1.105 jwilke 1030: : g>body ( ghost -- body )
1031: \G Returns the body-address (pfa) of a ghost.
1032: \G Issues a warning if undefined (a forward-reference).
1033: g>xt X >body ;
1034:
1.103 jwilke 1035: 1 Constant <label>
1.52 jwilke 1036:
1.103 jwilke 1037: Struct
1038: \ bitmask of address type (not used for now)
1039: cell% field addr-type
1040: \ if this address is an xt, this field points to the ghost
1041: cell% field addr-xt-ghost
1042: \ a bit mask that tells as what part of the cell
1043: \ is refenced from an address pointer, used for assembler generation
1044: cell% field addr-refs
1045: End-Struct addr-struct
1046:
1047: : %allocerase ( align size -- addr )
1048: dup >r %alloc dup r> erase ;
1049:
1050: \ returns the addr struct, define it if 0 reference
1051: : define-addr-struct ( addr -- struct-addr )
1052: dup @ ?dup IF nip EXIT THEN
1053: addr-struct %allocerase tuck swap ! ;
1.75 jwilke 1054:
1.52 jwilke 1055: \ Predefined ghosts 12dec92py
1056:
1.114 jwilke 1057: Ghost - drop \ need a ghost otherwise "-" would be treated as a number
1058:
1.103 jwilke 1059: Ghost 0= drop
1060: Ghost branch Ghost ?branch 2drop
1061: Ghost (do) Ghost (?do) 2drop
1062: Ghost (for) drop
1063: Ghost (loop) Ghost (+loop) 2drop
1064: Ghost (next) drop
1065: Ghost unloop Ghost ;S 2drop
1066: Ghost lit Ghost (compile) Ghost ! 2drop drop
1067: Ghost (does>) Ghost noop 2drop
1068: Ghost (.") Ghost (S") Ghost (ABORT") 2drop drop
1069: Ghost ' drop
1070: Ghost :docol Ghost :doesjump Ghost :dodoes 2drop drop
1071: Ghost :dovar drop
1072: Ghost over Ghost = Ghost drop 2drop drop
1073: Ghost 2drop drop
1074: Ghost 2dup drop
1.115 jwilke 1075: Ghost state drop
1076: Ghost call drop
1077: Ghost @ drop
1078: Ghost useraddr drop
1079: Ghost execute drop
1080: Ghost + drop
1081: Ghost (C") drop
1082: Ghost decimal drop
1083: Ghost hex drop
1.52 jwilke 1084:
1085: \ \ Parameter for target systems 06oct92py
1086:
1.103 jwilke 1087:
1088: >cross
1.52 jwilke 1089: \ we define it ans like...
1090: wordlist Constant target-environment
1091:
1.103 jwilke 1092: \ save information of current dictionary to restore with environ>
1093: Variable env-current
1.52 jwilke 1094:
1095: : >ENVIRON get-current env-current ! target-environment set-current ;
1096: : ENVIRON> env-current @ set-current ;
1.43 pazsan 1097:
1.48 anton 1098: >TARGET
1.43 pazsan 1099:
1.103 jwilke 1100: : environment? ( addr len -- [ x ] true | false )
1101: \G returns the content of environment variable and true or
1102: \G false if not present
1103: target-environment search-wordlist
1104: IF EXECUTE true ELSE false THEN ;
1105:
1106: : $has? ( addr len -- x | false )
1107: \G returns the content of environment variable
1108: \G or false if not present
1109: T environment? H dup IF drop THEN ;
1110:
1111: : e? ( "name" -- x )
1112: \G returns the content of environment variable.
1113: \G The variable is expected to exist. If not, issue an error.
1114: bl word count T environment? H
1115: 0= ABORT" environment variable not defined!" ;
1116:
1117: : has? ( "name" --- x | false )
1118: \G returns the content of environment variable
1119: \G or false if not present
1120: bl word count T $has? H ;
1.52 jwilke 1121:
1.48 anton 1122:
1.54 pazsan 1123: >ENVIRON get-order get-current swap 1+ set-order
1124: true SetValue compiler
1.83 pazsan 1125: true SetValue cross
1.54 pazsan 1126: true SetValue standard-threading
1127: >TARGET previous
1.52 jwilke 1128:
1.77 jwilke 1129: 0
1.103 jwilke 1130: [IFDEF] mach-file drop mach-file count 1 [THEN]
1131: [IFDEF] machine-file drop machine-file 1 [THEN]
1132: [IF] included hex
1.77 jwilke 1133: [ELSE] cr ." No machine description!" ABORT
1134: [THEN]
1.43 pazsan 1135:
1.53 jwilke 1136: >ENVIRON
1137:
1.54 pazsan 1138: T has? ec H
1139: [IF]
1140: false DefaultValue relocate
1141: false DefaultValue file
1142: false DefaultValue OS
1143: false DefaultValue prims
1144: false DefaultValue floating
1145: false DefaultValue glocals
1146: false DefaultValue dcomps
1147: false DefaultValue hash
1148: false DefaultValue xconds
1149: false DefaultValue header
1.105 jwilke 1150: false DefaultValue backtrace
1151: false DefaultValue new-input
1152: false DefaultValue peephole
1.54 pazsan 1153: [THEN]
1154:
1155: true DefaultValue interpreter
1156: true DefaultValue ITC
1157: false DefaultValue rom
1.73 jwilke 1158: true DefaultValue standardthreading
1.53 jwilke 1159:
1.52 jwilke 1160: >TARGET
1.53 jwilke 1161: s" relocate" T environment? H
1.103 jwilke 1162: \ JAW why set NIL to this?!
1163: [IF] drop \ SetValue NIL
1.113 jwilke 1164: [ELSE] >ENVIRON X NIL SetValue relocate
1.53 jwilke 1165: [THEN]
1.113 jwilke 1166: >TARGET
1167:
1168: 0 Constant NIL
1.43 pazsan 1169:
1170: >CROSS
1171:
1.52 jwilke 1172: \ \ Create additional parameters 19jan95py
1.19 pazsan 1173:
1.71 jwilke 1174: \ currently cross only works for host machines with address-unit-bits
1175: \ eual to 8 because of s! and sc!
1176: \ but I start to query the environment just to modularize a little bit
1177:
1178: : check-address-unit-bits ( -- )
1179: \ s" ADDRESS-UNIT-BITS" environment?
1180: \ IF 8 <> ELSE true THEN
1181: \ ABORT" ADDRESS-UNIT-BITS unknown or not equal to 8!"
1182:
1183: \ shit, this doesn't work because environment? is only defined for
1184: \ gforth.fi and not kernl???.fi
1185: ;
1186:
1187: check-address-unit-bits
1188: 8 Constant bits/byte \ we define: byte is address-unit
1189:
1190: 1 bits/byte lshift Constant maxbyte
1.77 jwilke 1191: \ this sets byte size for the target machine, (probably right guess) jaw
1.67 jwilke 1192:
1.19 pazsan 1193: T
1.71 jwilke 1194: NIL Constant TNIL
1195: cell Constant tcell
1196: cell<< Constant tcell<<
1197: cell>bit Constant tcell>bit
1198: bits/char Constant tbits/char
1199: bits/char H bits/byte T /
1200: Constant tchar
1201: float Constant tfloat
1202: 1 bits/char lshift Constant tmaxchar
1203: [IFUNDEF] bits/byte
1204: 8 Constant tbits/byte
1205: [ELSE]
1206: bits/byte Constant tbits/byte
1207: [THEN]
1.19 pazsan 1208: H
1.81 pazsan 1209: tbits/char bits/byte / Constant tbyte
1.71 jwilke 1210:
1.19 pazsan 1211:
1.48 anton 1212: \ Variables 06oct92py
1213:
1214: Variable image
1215: Variable tlast TNIL tlast ! \ Last name field
1216: Variable tlastcfa \ Last code field
1217: Variable bit$
1.52 jwilke 1218:
1219: \ statistics 10jun97jaw
1220:
1221: Variable headers-named 0 headers-named !
1222: Variable user-vars 0 user-vars !
1223:
1.67 jwilke 1224: : target>bitmask-size ( u1 -- u2 )
1225: 1- tcell>bit rshift 1+ ;
1226:
1.105 jwilke 1227: : allocatetarget ( size -- adr )
1.67 jwilke 1228: dup allocate ABORT" CROSS: No memory for target"
1229: swap over swap erase ;
1.52 jwilke 1230:
1.54 pazsan 1231: \ \ memregion.fs
1.52 jwilke 1232:
1233:
1234: Variable last-defined-region \ pointer to last defined region
1235: Variable region-link \ linked list with all regions
1236: Variable mirrored-link \ linked list for mirrored regions
1237: 0 dup mirrored-link ! region-link !
1238:
1239:
1.103 jwilke 1240: : >rname 7 cells + ;
1241: : >rbm 4 cells + ;
1242: : >rmem 5 cells + ;
1243: : >rtype 6 cells + ;
1.67 jwilke 1244: : >rlink 3 cells + ;
1.52 jwilke 1245: : >rdp 2 cells + ;
1246: : >rlen cell+ ;
1247: : >rstart ;
1248:
1.113 jwilke 1249: : (region) ( addr len region -- )
1250: \G change startaddress and length of an existing region
1251: >r r@ last-defined-region !
1252: r@ >rlen ! dup r@ >rstart ! r> >rdp ! ;
1.52 jwilke 1253:
1.103 jwilke 1254: : region ( addr len -- )
1255: \G create a new region
1.52 jwilke 1256: \ check whether predefined region exists
1257: save-input bl word find >r >r restore-input throw r> r> 0=
1258: IF \ make region
1259: drop
1260: save-input create restore-input throw
1261: here last-defined-region !
1262: over ( startaddr ) , ( length ) , ( dp ) ,
1.103 jwilke 1263: region-link linked 0 , 0 , 0 , bl word count string,
1.52 jwilke 1264: ELSE \ store new parameters in region
1265: bl word drop
1.113 jwilke 1266: >body (region)
1.52 jwilke 1267: THEN ;
1268:
1.103 jwilke 1269: : borders ( region -- startaddr endaddr )
1270: \G returns lower and upper region border
1.67 jwilke 1271: dup >rstart @ swap >rlen @ over + ;
1.52 jwilke 1272:
1.103 jwilke 1273: : extent ( region -- startaddr len )
1274: \G returns the really used area
1.67 jwilke 1275: dup >rstart @ swap >rdp @ over - ;
1.52 jwilke 1276:
1.103 jwilke 1277: : area ( region -- startaddr totallen )
1278: \G returns the total area
1.79 jwilke 1279: dup >rstart @ swap >rlen @ ;
1.52 jwilke 1280:
1.103 jwilke 1281: : mirrored
1282: \G mark a region as mirrored
1.52 jwilke 1283: mirrored-link
1.68 jwilke 1284: align linked last-defined-region @ , ;
1.52 jwilke 1285:
1.67 jwilke 1286: : .addr ( u -- )
1287: \G prints a 16 or 32 Bit nice hex value
1.52 jwilke 1288: base @ >r hex
1289: tcell 2 u>
1.77 jwilke 1290: IF s>d <# # # # # [char] . hold # # # # #> type
1.52 jwilke 1291: ELSE s>d <# # # # # # #> type
1.103 jwilke 1292: THEN r> base ! space ;
1.52 jwilke 1293:
1294: : .regions \G display region statistic
1295:
1296: \ we want to list the regions in the right order
1297: \ so first collect all regions on stack
1298: 0 region-link @
1299: BEGIN dup WHILE dup @ REPEAT drop
1300: BEGIN dup
1.67 jwilke 1301: WHILE cr
1302: 0 >rlink - >r
1303: r@ >rname count tuck type
1.52 jwilke 1304: 12 swap - 0 max spaces space
1.67 jwilke 1305: ." Start: " r@ >rstart @ dup .addr space
1306: ." End: " r@ >rlen @ + .addr space
1307: ." DP: " r> >rdp @ .addr
1.52 jwilke 1308: REPEAT drop
1.53 jwilke 1309: s" rom" T $has? H 0= ?EXIT
1.52 jwilke 1310: cr ." Mirrored:"
1311: mirrored-link @
1312: BEGIN dup
1.67 jwilke 1313: WHILE space dup cell+ @ >rname count type @
1.52 jwilke 1314: REPEAT drop cr
1315: ;
1316:
1317: \ -------- predefined regions
1318:
1319: 0 0 region address-space
1320: \ total memory addressed and used by the target system
1321:
1322: 0 0 region dictionary
1323: \ rom area for the compiler
1324:
1.53 jwilke 1325: T has? rom H
1.52 jwilke 1326: [IF]
1327: 0 0 region ram-dictionary mirrored
1328: \ ram area for the compiler
1329: [ELSE]
1330: ' dictionary ALIAS ram-dictionary
1331: [THEN]
1332:
1333: 0 0 region return-stack
1334:
1335: 0 0 region data-stack
1336:
1337: 0 0 region tib-region
1338:
1339: ' dictionary ALIAS rom-dictionary
1340:
1341:
1.105 jwilke 1342: : setup-target ( -- ) \G initialize target's memory space
1.53 jwilke 1343: s" rom" T $has? H
1.52 jwilke 1344: IF \ check for ram and rom...
1.72 jwilke 1345: \ address-space area nip 0<>
1.67 jwilke 1346: ram-dictionary area nip 0<>
1347: rom-dictionary area nip 0<>
1.72 jwilke 1348: and 0=
1.52 jwilke 1349: ABORT" CROSS: define address-space, rom- , ram-dictionary, with rom-support!"
1350: THEN
1351: address-space area nip
1352: IF
1353: address-space area
1354: ELSE
1355: dictionary area
1356: THEN
1.67 jwilke 1357: nip 0=
1.52 jwilke 1358: ABORT" CROSS: define at least address-space or dictionary!!"
1.67 jwilke 1359:
1360: \ allocate target for each region
1361: region-link
1362: BEGIN @ dup
1363: WHILE dup
1364: 0 >rlink - >r
1365: r@ >rlen @
1366: IF \ allocate mem
1.103 jwilke 1367: r@ >rlen @ allocatetarget dup image !
1.67 jwilke 1368: r@ >rmem !
1369:
1.103 jwilke 1370: r@ >rlen @
1.67 jwilke 1371: target>bitmask-size allocatetarget
1.72 jwilke 1372: dup bit$ !
1.103 jwilke 1373: r@ >rbm !
1.67 jwilke 1374:
1.103 jwilke 1375: r@ >rlen @
1376: tcell / 1+ cells allocatetarget r@ >rtype !
1377:
1378: rdrop
1.67 jwilke 1379: ELSE r> drop THEN
1.72 jwilke 1380: REPEAT drop ;
1381:
1.105 jwilke 1382: \ MakeKernel 22feb99jaw
1.72 jwilke 1383:
1.113 jwilke 1384: : makekernel ( targetsize -- )
1385: \G convenience word to setup the memory of the target
1386: \G used by main.fs of the c-engine based systems
1387: 100 swap dictionary (region)
1388: setup-target ;
1.72 jwilke 1389:
1390: >MINIMAL
1391: : makekernel makekernel ;
1392: >CROSS
1.52 jwilke 1393:
1.54 pazsan 1394: \ \ switched tdp for rom support 03jun97jaw
1.52 jwilke 1395:
1396: \ second value is here to store some maximal value for statistics
1397: \ tempdp is also embedded here but has nothing to do with rom support
1398: \ (needs switched dp)
1399:
1400: variable tempdp 0 , \ temporary dp for resolving
1401: variable tempdp-save
1402:
1403: 0 [IF]
1404: variable romdp 0 , \ Dictionary-Pointer for ramarea
1405: variable ramdp 0 , \ Dictionary-Pointer for romarea
1406:
1407: \
1408: variable sramdp \ start of ram-area for forth
1409: variable sromdp \ start of rom-area for forth
1410:
1411: [THEN]
1412:
1413:
1414: 0 value tdp
1415: variable fixed \ flag: true: no automatic switching
1416: \ false: switching is done automatically
1417:
1418: \ Switch-Policy:
1419: \
1420: \ a header is always compiled into rom
1421: \ after a created word (create and variable) compilation goes to ram
1422: \
1423: \ Be careful: If you want to make the data behind create into rom
1424: \ you have to put >rom before create!
1425:
1426: variable constflag constflag off
1427:
1.67 jwilke 1428: : activate ( region -- )
1429: \G next code goes to this region
1430: >rdp to tdp ;
1431:
1.52 jwilke 1432: : (switchram)
1.53 jwilke 1433: fixed @ ?EXIT s" rom" T $has? H 0= ?EXIT
1.67 jwilke 1434: ram-dictionary activate ;
1.52 jwilke 1435:
1436: : switchram
1437: constflag @
1438: IF constflag off ELSE (switchram) THEN ;
1439:
1440: : switchrom
1.67 jwilke 1441: fixed @ ?EXIT rom-dictionary activate ;
1.52 jwilke 1442:
1443: : >tempdp ( addr -- )
1444: tdp tempdp-save ! tempdp to tdp tdp ! ;
1445: : tempdp> ( -- )
1446: tempdp-save @ to tdp ;
1447:
1448: : >ram fixed off (switchram) fixed on ;
1449: : >rom fixed off switchrom fixed on ;
1450: : >auto fixed off switchrom ;
1451:
1452:
1453:
1454: \ : romstart dup sromdp ! romdp ! ;
1455: \ : ramstart dup sramdp ! ramdp ! ;
1456:
1.67 jwilke 1457: \ default compilation goes to rom
1.52 jwilke 1458: \ when romable support is off, only the rom switch is used (!!)
1459: >auto
1460:
1.48 anton 1461: : there tdp @ ;
1462:
1.52 jwilke 1463: >TARGET
1.48 anton 1464:
1.52 jwilke 1465: \ \ Target Memory Handling
1.1 anton 1466:
1467: \ Byte ordering and cell size 06oct92py
1468:
1.19 pazsan 1469: : cell+ tcell + ;
1470: : cells tcell<< lshift ;
1.71 jwilke 1471: : chars tchar * ;
1472: : char+ tchar + ;
1.19 pazsan 1473: : floats tfloat * ;
1.6 anton 1474:
1.1 anton 1475: >CROSS
1.19 pazsan 1476: : cell/ tcell<< rshift ;
1.1 anton 1477: >TARGET
1478: 20 CONSTANT bl
1.52 jwilke 1479: \ TNIL Constant NIL
1.1 anton 1480:
1481: >CROSS
1482:
1.20 pazsan 1483: bigendian
1484: [IF]
1.106 jwilke 1485: : DS! ( d addr -- ) tcell bounds swap 1-
1.20 pazsan 1486: DO maxbyte ud/mod rot I c! -1 +LOOP 2drop ;
1.106 jwilke 1487: : DS@ ( addr -- d ) >r 0 0 r> tcell bounds
1488: DO maxbyte * swap maxbyte um* rot + swap I c@ + swap LOOP ;
1.57 pazsan 1489: : Sc! ( n addr -- ) >r s>d r> tchar bounds swap 1-
1490: DO maxbyte ud/mod rot I c! -1 +LOOP 2drop ;
1491: : Sc@ ( addr -- n ) >r 0 0 r> tchar bounds
1492: DO maxbyte * swap maxbyte um* rot + swap I c@ + swap LOOP d>s ;
1.19 pazsan 1493: [ELSE]
1.106 jwilke 1494: : DS! ( d addr -- ) tcell bounds
1.20 pazsan 1495: DO maxbyte ud/mod rot I c! LOOP 2drop ;
1.106 jwilke 1496: : DS@ ( addr -- n ) >r 0 0 r> tcell bounds swap 1-
1497: DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP ;
1.57 pazsan 1498: : Sc! ( n addr -- ) >r s>d r> tchar bounds
1499: DO maxbyte ud/mod rot I c! LOOP 2drop ;
1500: : Sc@ ( addr -- n ) >r 0 0 r> tchar bounds swap 1-
1501: DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP d>s ;
1.1 anton 1502: [THEN]
1503:
1.106 jwilke 1504: : S! ( n addr -- ) >r s>d r> DS! ;
1505: : S@ ( addr -- n ) DS@ d>s ;
1506:
1.67 jwilke 1507: : taddr>region ( taddr -- region | 0 )
1508: \G finds for a target-address the correct region
1509: \G returns 0 if taddr is not in range of a target memory region
1510: region-link
1511: BEGIN @ dup
1512: WHILE dup >r
1513: 0 >rlink - >r
1514: r@ >rlen @
1515: IF dup r@ borders within
1516: IF r> r> drop nip EXIT THEN
1517: THEN
1518: r> drop
1519: r>
1520: REPEAT
1521: 2drop 0 ;
1522:
1.103 jwilke 1523: : taddr>region-abort ( taddr -- region | 0 )
1524: dup taddr>region dup 0=
1525: IF drop cr ." Wrong address: " .addr
1526: -1 ABORT" Address out of range!"
1527: THEN nip ;
1528:
1.67 jwilke 1529: : (>regionimage) ( taddr -- 'taddr )
1530: dup
1531: \ find region we want to address
1.103 jwilke 1532: taddr>region-abort
1.67 jwilke 1533: >r
1534: \ calculate offset in region
1535: r@ >rstart @ -
1536: \ add regions real address in our memory
1537: r> >rmem @ + ;
1538:
1.103 jwilke 1539: : (>regionbm) ( taddr -- 'taddr bitmaskbaseaddr )
1540: dup
1541: \ find region we want to address
1542: taddr>region-abort
1543: >r
1544: \ calculate offset in region
1545: r@ >rstart @ -
1546: \ add regions real address in our memory
1547: r> >rbm @ ;
1548:
1549: : (>regiontype) ( taddr -- 'taddr )
1550: dup
1551: \ find region we want to address
1552: taddr>region-abort
1553: >r
1554: \ calculate offset in region
1555: r@ >rstart @ - tcell / cells
1556: \ add regions real address in our memory
1557: r> >rtype @ + ;
1558:
1.1 anton 1559: \ Bit string manipulation 06oct92py
1560: \ 9may93jaw
1561: CREATE Bittable 80 c, 40 c, 20 c, 10 c, 8 c, 4 c, 2 c, 1 c,
1562: : bits ( n -- n ) chars Bittable + c@ ;
1563:
1564: : >bit ( addr n -- c-addr mask ) 8 /mod rot + swap bits ;
1565: : +bit ( addr n -- ) >bit over c@ or swap c! ;
1.4 pazsan 1566: : -bit ( addr n -- ) >bit invert over c@ and swap c! ;
1.67 jwilke 1567:
1.103 jwilke 1568: : @relbit ( taddr -- f ) (>regionbm) swap cell/ >bit swap c@ and ;
1569:
1.84 jwilke 1570: : (relon) ( taddr -- )
1571: [ [IFDEF] fd-relocation-table ]
1572: s" +" fd-relocation-table write-file throw
1573: dup s>d <# #s #> fd-relocation-table write-line throw
1574: [ [THEN] ]
1.103 jwilke 1575: (>regionbm) swap cell/ +bit ;
1.84 jwilke 1576:
1577: : (reloff) ( taddr -- )
1578: [ [IFDEF] fd-relocation-table ]
1579: s" -" fd-relocation-table write-file throw
1580: dup s>d <# #s #> fd-relocation-table write-line throw
1581: [ [THEN] ]
1.103 jwilke 1582: (>regionbm) swap cell/ -bit ;
1.67 jwilke 1583:
1584: : (>image) ( taddr -- absaddr ) image @ + ;
1585:
1586: DEFER >image
1587: DEFER relon
1588: DEFER reloff
1589: DEFER correcter
1590:
1591: T has? relocate H
1592: [IF]
1593: ' (relon) IS relon
1594: ' (reloff) IS reloff
1.103 jwilke 1595: ' (>regionimage) IS >image
1.67 jwilke 1596: [ELSE]
1597: ' drop IS relon
1598: ' drop IS reloff
1.68 jwilke 1599: ' (>regionimage) IS >image
1.67 jwilke 1600: [THEN]
1.1 anton 1601:
1602: \ Target memory access 06oct92py
1603:
1604: : align+ ( taddr -- rest )
1.48 anton 1605: tcell tuck 1- and - [ tcell 1- ] Literal and ;
1.22 anton 1606: : cfalign+ ( taddr -- rest )
1.39 pazsan 1607: \ see kernel.fs:cfaligned
1.43 pazsan 1608: /maxalign tuck 1- and - [ /maxalign 1- ] Literal and ;
1.1 anton 1609:
1610: >TARGET
1611: : aligned ( taddr -- ta-addr ) dup align+ + ;
1612: \ assumes cell alignment granularity (as GNU C)
1613:
1.22 anton 1614: : cfaligned ( taddr1 -- taddr2 )
1.39 pazsan 1615: \ see kernel.fs
1.22 anton 1616: dup cfalign+ + ;
1617:
1.52 jwilke 1618: : @ ( taddr -- w ) >image S@ ;
1619: : ! ( w taddr -- ) >image S! ;
1.57 pazsan 1620: : c@ ( taddr -- char ) >image Sc@ ;
1621: : c! ( char taddr -- ) >image Sc! ;
1.7 anton 1622: : 2@ ( taddr -- x1 x2 ) T dup cell+ @ swap @ H ;
1.82 pazsan 1623: : 2! ( x1 x2 taddr -- ) T tuck ! cell+ ! H ;
1.1 anton 1624:
1625: \ Target compilation primitives 06oct92py
1626: \ included A! 16may93jaw
1627:
1628: : here ( -- there ) there ;
1629: : allot ( n -- ) tdp +! ;
1.78 jwilke 1630: : , ( w -- ) T here H tcell T allot ! H ;
1631: : c, ( char -- ) T here H tchar T allot c! H ;
1632: : align ( -- ) T here H align+ 0 ?DO bl T c, H tchar +LOOP ;
1.22 anton 1633: : cfalign ( -- )
1.78 jwilke 1634: T here H cfalign+ 0 ?DO bl T c, H tchar +LOOP ;
1.1 anton 1635:
1.71 jwilke 1636: : >address dup 0>= IF tbyte / THEN ; \ ?? jaw
1.59 pazsan 1637: : A! swap >address swap dup relon T ! H ;
1638: : A, ( w -- ) >address T here H relon T , H ;
1.1 anton 1639:
1.103 jwilke 1640:
1641: \ \ -------------------- Host/Target copy etc. 29aug01jaw
1642:
1643:
1644: >CROSS
1645:
1.107 jwilke 1646: : TD! >image DS! ;
1647: : TD@ >image DS@ ;
1648:
1.103 jwilke 1649: : th-count ( taddr -- host-addr len )
1650: \G returns host address of target string
1651: assert1( tbyte 1 = )
1652: dup X c@ swap X char+ >image swap ;
1653:
1654: : ht-move ( haddr taddr len -- )
1655: \G moves data from host-addr to destination in target-addr
1656: \G character by character
1657: swap -rot bounds ?DO I c@ over X c! X char+ LOOP drop ;
1658:
1659: 2Variable last-string
1660:
1661: : ht-string, ( addr count -- )
1662: dup there swap last-string 2!
1663: dup T c, H bounds ?DO I c@ T c, H LOOP ;
1664:
1665: >TARGET
1666:
1667: : count dup X c@ swap X char+ swap ;
1.110 jwilke 1668:
1669: : on -1 -1 rot TD! ;
1.103 jwilke 1670: : off T 0 swap ! H ;
1.1 anton 1671:
1.107 jwilke 1672: : tcmove ( source dest len -- )
1673: \G cmove in target memory
1674: tchar * bounds
1675: ?DO dup T c@ H I T c! H 1+
1676: tchar +LOOP drop ;
1677:
1678: : td, ( d -- )
1679: \G Store a host value as one cell into the target
1680: there tcell X allot TD! ;
1681:
1682: \ \ Load Assembler
1683:
1684: >TARGET
1685: H also Forth definitions
1686:
1687: \ FIXME: should we include the assembler really in the forth
1688: \ dictionary?!?!?!? This conflicts with the existing assembler
1689: \ of the host forth system!!
1690: [IFDEF] asm-include asm-include [THEN] hex
1691:
1692: previous
1693:
1694:
1.52 jwilke 1695: >CROSS
1696:
1.103 jwilke 1697: : (cc) T a, H ; ' (cc) plugin-of colon,
1.117 ! pazsan 1698: : (xt) T a, H ; ' (xt) plugin-of xt,
1.105 jwilke 1699: : (prim) T a, H ; ' (prim) plugin-of prim,
1.52 jwilke 1700:
1.117 ! pazsan 1701: : (cr) >tempdp ]comp xt, comp[ tempdp> ; ' (cr) plugin-of colon-resolve
1.103 jwilke 1702: : (ar) T ! H ; ' (ar) plugin-of addr-resolve
1.54 pazsan 1703: : (dr) ( ghost res-pnt target-addr addr )
1704: >tempdp drop over
1705: dup >magic @ <do:> =
1706: IF doer,
1707: ELSE dodoes,
1708: THEN
1.103 jwilke 1709: tempdp> ; ' (dr) plugin-of doer-resolve
1.54 pazsan 1710:
1711: : (cm) ( -- addr )
1712: T here align H
1.117 ! pazsan 1713: -1 xt, ; ' (cm) plugin-of colonmark,
1.1 anton 1714:
1.52 jwilke 1715: >TARGET
1.105 jwilke 1716: : compile, ( xt -- )
1.107 jwilke 1717: dup xt>ghost >comp @ EXECUTE ;
1.52 jwilke 1718: >CROSS
1.1 anton 1719:
1.102 jwilke 1720: \ resolve structure
1721:
1722: : >next ; \ link to next field
1723: : >tag cell+ ; \ indecates type of reference: 0: call, 1: address, 2: doer
1724: : >taddr cell+ cell+ ;
1725: : >ghost 3 cells + ;
1726: : >file 4 cells + ;
1727: : >line 5 cells + ;
1728:
1729: : (refered) ( ghost addr tag -- )
1730: \G creates a reference to ghost at address taddr
1.103 jwilke 1731: >space
1732: rot >link linked
1.102 jwilke 1733: ( taddr tag ) ,
1734: ( taddr ) ,
1735: last-header-ghost @ ,
1736: loadfile ,
1737: sourceline# ,
1.103 jwilke 1738: space>
1.102 jwilke 1739: ;
1740:
1.52 jwilke 1741: : refered ( ghost tag -- )
1.53 jwilke 1742: \G creates a resolve structure
1.54 pazsan 1743: T here aligned H swap (refered)
1744: ;
1745:
1746: : killref ( addr ghost -- )
1747: \G kills a forward reference to ghost at position addr
1748: \G this is used to eleminate a :dovar refence after making a DOES>
1749: dup >magic @ <fwd> <> IF 2drop EXIT THEN
1750: swap >r >link
1751: BEGIN dup @ dup ( addr last this )
1752: WHILE dup >taddr @ r@ =
1753: IF @ over !
1754: ELSE nip THEN
1755: REPEAT rdrop 2drop
1.53 jwilke 1756: ;
1.48 anton 1757:
1.52 jwilke 1758: Defer resolve-warning
1.1 anton 1759:
1.52 jwilke 1760: : reswarn-test ( ghost res-struct -- ghost res-struct )
1.78 jwilke 1761: over cr ." Resolving " .ghost dup ." in " >ghost @ .ghost ;
1.1 anton 1762:
1.52 jwilke 1763: : reswarn-forward ( ghost res-struct -- ghost res-struct )
1.78 jwilke 1764: over warnhead .ghost dup ." is referenced in "
1765: >ghost @ .ghost ;
1.1 anton 1766:
1.52 jwilke 1767: \ ' reswarn-test IS resolve-warning
1768:
1.1 anton 1769: \ resolve 14oct92py
1770:
1.54 pazsan 1771: : resolve-loop ( ghost resolve-list tcfa -- )
1772: >r
1773: BEGIN dup WHILE
1774: \ dup >tag @ 2 = IF reswarn-forward THEN
1775: resolve-warning
1776: r@ over >taddr @
1777: 2 pick >tag @
1778: CASE 0 OF colon-resolve ENDOF
1779: 1 OF addr-resolve ENDOF
1780: 2 OF doer-resolve ENDOF
1781: ENDCASE
1782: @ \ next list element
1783: REPEAT 2drop rdrop
1784: ;
1.52 jwilke 1785:
1786: \ : resolve-loop ( ghost tcfa -- ghost tcfa )
1787: \ >r dup >link @
1788: \ BEGIN dup WHILE dup T @ H r@ rot T ! H REPEAT drop r> ;
1.1 anton 1789:
1790: \ exists 9may93jaw
1791:
1.103 jwilke 1792: : exists ( ghost tcfa -- )
1793: \G print warning and set new target link in ghost
1794: swap exists-warning
1795: >link ! ;
1.52 jwilke 1796:
1.105 jwilke 1797: : colon-resolved ( ghost -- )
1798: >link @ colon, ; \ compile-call
1799:
1800: : prim-resolved ( ghost -- )
1801: >link @ prim, ;
1802:
1.110 jwilke 1803: \ FIXME: not used currently
1.105 jwilke 1804: : does-resolved ( ghost -- )
1.117 ! pazsan 1805: dup g>body alit, >do:ghost @ g>xt 0 t>body - colon, ;
1.105 jwilke 1806:
1807: : (is-forward) ( ghost -- )
1808: colonmark, 0 (refered) ; \ compile space for call
1809: ' (is-forward) IS is-forward
1.1 anton 1810:
1811: : resolve ( ghost tcfa -- )
1.54 pazsan 1812: \G resolve referencies to ghost with tcfa
1.103 jwilke 1813: dup taddr>region 0<> IF
1814: 2dup (>regiontype) define-addr-struct addr-xt-ghost
1815:
1816: \ we define new address only if empty
1.105 jwilke 1817: \ this is for not to take over the alias ghost
1818: \ (different ghost, but identical xt)
1.103 jwilke 1819: \ but the very first that really defines it
1820: dup @ 0= IF ! ELSE 2drop THEN
1821: THEN
1822:
1823: \ is ghost resolved?, second resolve means another
1824: \ definition with the same name
1.75 jwilke 1825: over undefined? 0= IF exists EXIT THEN
1.54 pazsan 1826: \ get linked-list
1827: swap >r r@ >link @ swap \ ( list tcfa R: ghost )
1828: \ mark ghost as resolved
1829: dup r@ >link ! <res> r@ >magic !
1.105 jwilke 1830: r@ >comp @ ['] is-forward = IF
1831: ['] prim-resolved r@ >comp ! THEN
1.54 pazsan 1832: \ loop through forward referencies
1833: r> -rot
1834: comp-state @ >r Resolving comp-state !
1835: resolve-loop
1836: r> comp-state !
1837:
1838: ['] noop IS resolve-warning
1.52 jwilke 1839: ;
1.1 anton 1840:
1841: \ gexecute ghost, 01nov92py
1842:
1.103 jwilke 1843: : (gexecute) ( ghost -- )
1.105 jwilke 1844: dup >comp @ EXECUTE ;
1.103 jwilke 1845:
1846: : gexecute ( ghost -- )
1.110 jwilke 1847: dup >magic @ <imm> = IF -1 ABORT" CROSS: gexecute on immediate word" THEN
1.103 jwilke 1848: (gexecute) ;
1.52 jwilke 1849:
1850: : addr, ( ghost -- )
1.105 jwilke 1851: dup forward? IF 1 refered 0 T a, H ELSE >link @ T a, H THEN ;
1.52 jwilke 1852:
1.1 anton 1853: \ .unresolved 11may93jaw
1854:
1855: variable ResolveFlag
1856:
1857: \ ?touched 11may93jaw
1858:
1.52 jwilke 1859: : ?touched ( ghost -- flag ) dup forward? swap >link @
1.1 anton 1860: 0 <> and ;
1861:
1.53 jwilke 1862: : .forwarddefs ( ghost -- )
1.103 jwilke 1863: ." appeared in:"
1864: >link
1865: BEGIN @ dup
1866: WHILE cr 5 spaces
1867: dup >ghost @ .ghost
1868: ." file " dup >file @ ?dup IF count type ELSE ." CON" THEN
1869: ." line " dup >line @ .dec
1870: REPEAT
1871: drop ;
1872:
1873: : ?resolved ( ghost -- )
1874: dup ?touched
1875: IF ResolveFlag on
1876: dup cr .ghost .forwarddefs
1.53 jwilke 1877: ELSE drop
1878: THEN ;
1.1 anton 1879:
1880: : .unresolved ( -- )
1881: ResolveFlag off cr ." Unresolved: "
1.103 jwilke 1882: ghost-list
1.1 anton 1883: BEGIN @ dup
1884: WHILE dup ?resolved
1.10 anton 1885: REPEAT drop ResolveFlag @
1886: IF
1.48 anton 1887: -1 abort" Unresolved words!"
1.10 anton 1888: ELSE
1889: ." Nothing!"
1890: THEN
1891: cr ;
1.1 anton 1892:
1.52 jwilke 1893: : .stats
1894: base @ >r decimal
1895: cr ." named Headers: " headers-named @ .
1896: r> base ! ;
1897:
1.79 jwilke 1898: >MINIMAL
1899:
1900: : .unresolved .unresolved ;
1901:
1.1 anton 1902: >CROSS
1903: \ Header states 12dec92py
1904:
1.102 jwilke 1905: \ : flag! ( 8b -- ) tlast @ dup >r T c@ xor r> c! H ;
1.90 pazsan 1906: bigendian [IF] 0 [ELSE] tcell 1- [THEN] Constant flag+
1907: : flag! ( w -- ) tlast @ flag+ + dup >r T c@ xor r> c! H ;
1.1 anton 1908:
1909: VARIABLE ^imm
1910:
1.105 jwilke 1911: \ !! should be target wordsize specific
1912: $80 constant alias-mask
1913: $40 constant immediate-mask
1914: $20 constant restrict-mask
1915:
1.1 anton 1916: >TARGET
1.105 jwilke 1917: : immediate immediate-mask flag!
1.18 pazsan 1918: ^imm @ @ dup <imm> = IF drop EXIT THEN
1.1 anton 1919: <res> <> ABORT" CROSS: Cannot immediate a unresolved word"
1920: <imm> ^imm @ ! ;
1.105 jwilke 1921: : restrict restrict-mask flag! ;
1.52 jwilke 1922:
1.54 pazsan 1923: : isdoer
1924: \G define a forth word as doer, this makes obviously only sence on
1925: \G forth processors such as the PSC1000
1926: <do:> last-header-ghost @ >magic ! ;
1.1 anton 1927: >CROSS
1928:
1929: \ Target Header Creation 01nov92py
1930:
1.103 jwilke 1931: : ht-lstring, ( addr count -- )
1.102 jwilke 1932: dup T , H bounds ?DO I c@ T c, H LOOP ;
1933:
1.103 jwilke 1934: >TARGET
1935: : name, ( "name" -- ) bl word count ht-lstring, X cfalign ;
1.1 anton 1936: : view, ( -- ) ( dummy ) ;
1.52 jwilke 1937: >CROSS
1.1 anton 1938:
1.25 pazsan 1939: \ Target Document Creation (goes to crossdoc.fd) 05jul95py
1940:
1.55 pazsan 1941: s" ./doc/crossdoc.fd" r/w create-file throw value doc-file-id
1.25 pazsan 1942: \ contains the file-id of the documentation file
1943:
1.40 pazsan 1944: : T-\G ( -- )
1.25 pazsan 1945: source >in @ /string doc-file-id write-line throw
1.40 pazsan 1946: postpone \ ;
1.25 pazsan 1947:
1.39 pazsan 1948: Variable to-doc to-doc on
1.25 pazsan 1949:
1950: : cross-doc-entry ( -- )
1951: to-doc @ tlast @ 0<> and \ not an anonymous (i.e. noname) header
1952: IF
1953: s" " doc-file-id write-line throw
1954: s" make-doc " doc-file-id write-file throw
1.102 jwilke 1955:
1.105 jwilke 1956: Last-Header-Ghost @ >ghostname doc-file-id write-file throw
1.25 pazsan 1957: >in @
1958: [char] ( parse 2drop
1959: [char] ) parse doc-file-id write-file throw
1960: s" )" doc-file-id write-file throw
1961: [char] \ parse 2drop
1.40 pazsan 1962: T-\G
1.25 pazsan 1963: >in !
1.39 pazsan 1964: THEN ;
1.25 pazsan 1965:
1.28 pazsan 1966: \ Target TAGS creation
1967:
1.39 pazsan 1968: s" kernel.TAGS" r/w create-file throw value tag-file-id
1.116 pazsan 1969: s" kernel.tags" r/w create-file throw value vi-tag-file-id
1.28 pazsan 1970: \ contains the file-id of the tags file
1971:
1972: Create tag-beg 2 c, 7F c, bl c,
1973: Create tag-end 2 c, bl c, 01 c,
1974: Create tag-bof 1 c, 0C c,
1.116 pazsan 1975: Create tag-tab 1 c, 09 c,
1.28 pazsan 1976:
1977: 2variable last-loadfilename 0 0 last-loadfilename 2!
1978:
1979: : put-load-file-name ( -- )
1.77 jwilke 1980: sourcefilename last-loadfilename 2@ d<>
1.28 pazsan 1981: IF
1982: tag-bof count tag-file-id write-line throw
1.31 anton 1983: sourcefilename 2dup
1.28 pazsan 1984: tag-file-id write-file throw
1985: last-loadfilename 2!
1986: s" ,0" tag-file-id write-line throw
1987: THEN ;
1988:
1.116 pazsan 1989: : cross-gnu-tag-entry ( -- )
1.28 pazsan 1990: tlast @ 0<> \ not an anonymous (i.e. noname) header
1991: IF
1992: put-load-file-name
1993: source >in @ min tag-file-id write-file throw
1994: tag-beg count tag-file-id write-file throw
1.116 pazsan 1995: Last-Header-Ghost @ >ghostname tag-file-id write-file throw
1.28 pazsan 1996: tag-end count tag-file-id write-file throw
1.31 anton 1997: base @ decimal sourceline# 0 <# #s #> tag-file-id write-file throw
1.28 pazsan 1998: \ >in @ 0 <# #s [char] , hold #> tag-file-id write-line throw
1999: s" ,0" tag-file-id write-line throw
2000: base !
2001: THEN ;
1.116 pazsan 2002:
2003: : cross-vi-tag-entry ( -- )
2004: tlast @ 0<> \ not an anonymous (i.e. noname) header
2005: IF
2006: sourcefilename vi-tag-file-id write-file throw
2007: tag-tab count vi-tag-file-id write-file throw
2008: Last-Header-Ghost @ >ghostname vi-tag-file-id write-file throw
2009: tag-tab count vi-tag-file-id write-file throw
2010: s" /^" vi-tag-file-id write-file throw
2011: source vi-tag-file-id write-file throw
2012: s" $/" vi-tag-file-id write-line throw
2013: THEN ;
2014:
2015: : cross-tag-entry ( -- )
2016: cross-gnu-tag-entry
2017: cross-vi-tag-entry ;
1.28 pazsan 2018:
1.43 pazsan 2019: \ Check for words
2020:
2021: Defer skip? ' false IS skip?
2022:
1.103 jwilke 2023: : skipdef ( "name" -- )
1.79 jwilke 2024: \G skip definition of an undefined word in undef-words and
2025: \G all-words mode
1.103 jwilke 2026: Ghost dup forward?
1.75 jwilke 2027: IF >magic <skip> swap !
2028: ELSE drop THEN ;
2029:
1.103 jwilke 2030: : tdefined? ( "name" -- flag )
2031: Ghost undefined? 0= ;
1.75 jwilke 2032:
1.103 jwilke 2033: : defined2? ( "name" -- flag )
1.75 jwilke 2034: \G return true for anything else than forward, even for <skip>
2035: \G that's what we want
1.103 jwilke 2036: Ghost forward? 0= ;
1.43 pazsan 2037:
1.103 jwilke 2038: : forced? ( "name" -- flag )
1.79 jwilke 2039: \G return ture if it is a foreced skip with defskip
1.103 jwilke 2040: Ghost >magic @ <skip> = ;
1.79 jwilke 2041:
1.43 pazsan 2042: : needed? ( -- flag ) \ name
1.48 anton 2043: \G returns a false flag when
2044: \G a word is not defined
2045: \G a forward reference exists
2046: \G so the definition is not skipped!
2047: bl word gfind
1.75 jwilke 2048: IF dup undefined?
1.48 anton 2049: nip
2050: 0=
2051: ELSE drop true THEN ;
1.43 pazsan 2052:
1.44 pazsan 2053: : doer? ( -- flag ) \ name
1.103 jwilke 2054: Ghost >magic @ <do:> = ;
1.44 pazsan 2055:
1.43 pazsan 2056: : skip-defs ( -- )
2057: BEGIN refill WHILE source -trailing nip 0= UNTIL THEN ;
2058:
1.28 pazsan 2059: \ Target header creation
2060:
1.54 pazsan 2061: Variable NoHeaderFlag
2062: NoHeaderFlag off
1.1 anton 2063:
1.54 pazsan 2064: : 0.r ( n1 n2 -- )
2065: base @ >r hex
2066: 0 swap <# 0 ?DO # LOOP #> type
2067: r> base ! ;
1.84 jwilke 2068:
2069: : .sym ( adr len -- )
2070: \G escapes / and \ to produce sed output
1.52 jwilke 2071: bounds
2072: DO I c@ dup
1.77 jwilke 2073: CASE [char] / OF drop ." \/" ENDOF
2074: [char] \ OF drop ." \\" ENDOF
1.52 jwilke 2075: dup OF emit ENDOF
2076: ENDCASE
1.54 pazsan 2077: LOOP ;
1.52 jwilke 2078:
1.103 jwilke 2079: Defer setup-execution-semantics
2080: 0 Value lastghost
2081:
2082: : (THeader ( "name" -- ghost )
1.54 pazsan 2083: \ >in @ bl word count type 2 spaces >in !
2084: \ wordheaders will always be compiled to rom
2085: switchrom
2086: \ build header in target
2087: NoHeaderFlag @
2088: IF NoHeaderFlag off
2089: ELSE
2090: T align H view,
1.78 jwilke 2091: tlast @ dup 0> IF tcell - THEN T A, H there tlast !
1.54 pazsan 2092: 1 headers-named +! \ Statistic
2093: >in @ T name, H >in !
2094: THEN
2095: T cfalign here H tlastcfa !
1.84 jwilke 2096: \ Old Symbol table sed-script
1.54 pazsan 2097: \ >in @ cr ." sym:s/CFA=" there 4 0.r ." /" bl word count .sym ." /g" cr >in !
1.103 jwilke 2098: HeaderGhost
1.84 jwilke 2099: \ output symbol table to extra file
2100: [ [IFDEF] fd-symbol-table ]
2101: base @ hex there s>d <# 8 0 DO # LOOP #> fd-symbol-table write-file throw base !
2102: s" :" fd-symbol-table write-file throw
2103: dup >ghostname fd-symbol-table write-line throw
2104: [ [THEN] ]
1.103 jwilke 2105: dup Last-Header-Ghost ! dup to lastghost
1.54 pazsan 2106: dup >magic ^imm ! \ a pointer for immediate
1.105 jwilke 2107: alias-mask flag!
1.103 jwilke 2108: cross-doc-entry cross-tag-entry
2109: setup-execution-semantics
2110: ;
1.1 anton 2111:
1.52 jwilke 2112: \ this is the resolver information from ":"
2113: \ resolving is done by ";"
1.103 jwilke 2114: Variable ;Resolve 1 cells allot
2115:
2116: : hereresolve ( ghost -- )
2117: there resolve 0 ;Resolve ! ;
1.1 anton 2118:
1.11 pazsan 2119: : Theader ( "name" -- ghost )
1.103 jwilke 2120: (THeader dup hereresolve ;
2121:
2122: Variable aprim-nr -20 aprim-nr !
2123:
2124: : copy-execution-semantics ( ghost-from ghost-dest -- )
2125: >r
2126: dup >exec @ r@ >exec !
1.117 ! pazsan 2127: dup >comp @ r@ >comp !
1.103 jwilke 2128: dup >exec2 @ r@ >exec2 !
2129: dup >exec-compile @ r@ >exec-compile !
2130: dup >ghost-xt @ r@ >ghost-xt !
2131: dup >created @ r@ >created !
2132: rdrop drop ;
1.1 anton 2133:
2134: >TARGET
1.103 jwilke 2135:
1.1 anton 2136: : Alias ( cfa -- ) \ name
1.103 jwilke 2137: >in @ skip? IF 2drop EXIT THEN >in !
2138: (THeader ( S xt ghost )
1.105 jwilke 2139: 2dup swap xt>ghost swap copy-execution-semantics
2140: over resolve T A, H alias-mask flag! ;
1.103 jwilke 2141:
2142: Variable last-prim-ghost
2143: 0 last-prim-ghost !
2144:
2145: : asmprimname, ( ghost -- : name )
2146: dup last-prim-ghost !
2147: >r
2148: here bl word count string, r@ >asm-name !
2149: aprim-nr @ r> >asm-dummyaddr ! ;
2150:
2151: Defer setup-prim-semantics
2152:
1.112 jwilke 2153: : mapprim ( "forthname" "asmlabel" -- )
1.103 jwilke 2154: THeader -1 aprim-nr +! aprim-nr @ T A, H
2155: asmprimname,
2156: setup-prim-semantics ;
2157:
1.112 jwilke 2158: : mapprim: ( "forthname" "asmlabel" -- )
1.103 jwilke 2159: -1 aprim-nr +! aprim-nr @
2160: Ghost tuck swap resolve <do:> swap tuck >magic !
2161: asmprimname, ;
2162:
1.42 pazsan 2163: : Alias: ( cfa -- ) \ name
1.103 jwilke 2164: >in @ skip? IF 2drop EXIT THEN >in !
2165: dup 0< s" prims" T $has? H 0= and
2166: IF
2167: .sourcepos ." needs doer: " >in @ bl word count type >in ! cr
2168: THEN
2169: Ghost tuck swap resolve <do:> swap >magic ! ;
1.64 pazsan 2170:
2171: Variable prim#
2172: : first-primitive ( n -- ) prim# ! ;
2173: : Primitive ( -- ) \ name
1.117 ! pazsan 2174: >in @ skip? IF drop EXIT THEN >in !
! 2175: s" prims" T $has? H 0=
1.103 jwilke 2176: IF
2177: .sourcepos ." needs prim: " >in @ bl word count type >in ! cr
2178: THEN
2179: prim# @ (THeader ( S xt ghost )
1.105 jwilke 2180: dup >ghost-flags <primitive> set-flag
2181: over resolve T A, H alias-mask flag!
1.103 jwilke 2182: -1 prim# +! ;
1.1 anton 2183: >CROSS
2184:
2185: \ Conditionals and Comments 11may93jaw
2186:
1.103 jwilke 2187: \G saves the existing cond action, this is used for redefining in
2188: \G instant
2189: Variable cond-xt-old
2190:
2191: : cond-target ( -- )
2192: \G Compiles semantic of redefined cond into new one
2193: cond-xt-old @ compile, ; immediate restrict
2194:
1.1 anton 2195: : ;Cond
2196: postpone ;
2197: swap ! ; immediate
2198:
1.103 jwilke 2199: : Cond: ( "name" -- )
2200: \g defines a conditional or another word that must
2201: \g be executed directly while compiling
2202: \g these words have no interpretative semantics by default
2203: Ghost
2204: >exec-compile
2205: dup @ cond-xt-old !
1.1 anton 2206: :NONAME ;
2207:
2208:
2209: : Comment ( -- )
1.103 jwilke 2210: >in @ Ghost swap >in ! ' swap
2211: 2dup >exec-compile ! >exec ! ;
1.1 anton 2212:
2213: Comment ( Comment \
2214:
2215: \ compile 10may93jaw
2216:
1.103 jwilke 2217: : compile ( "name" -- ) \ name
1.115 jwilke 2218: findghost
1.103 jwilke 2219: dup >exec-compile @ ?dup
2220: IF nip compile,
2221: ELSE postpone literal postpone gexecute THEN ; immediate restrict
2222:
1.52 jwilke 2223: >TARGET
2224:
1.105 jwilke 2225: : ' ( -- xt )
2226: \G returns the target-cfa of a ghost
1.52 jwilke 2227: bl word gfind 0= ABORT" CROSS: Ghost don't exists"
1.105 jwilke 2228: g>xt ;
1.52 jwilke 2229:
1.103 jwilke 2230: \ FIXME: this works for the current use cases, but is not
2231: \ in all cases correct ;-)
2232: : comp' X ' 0 ;
2233:
1.52 jwilke 2234: Cond: ['] T ' H alit, ;Cond
2235:
2236: >CROSS
2237:
2238: : [T']
2239: \ returns the target-cfa of a ghost, or compiles it as literal
1.115 jwilke 2240: postpone [G']
2241: state @ IF postpone g>xt ELSE g>xt THEN ; immediate
1.42 pazsan 2242:
1.52 jwilke 2243: \ \ threading modell 13dec92py
2244: \ modularized 14jun97jaw
2245:
1.106 jwilke 2246: T 2 cells H Value xt>body
1.52 jwilke 2247:
1.103 jwilke 2248: : (>body) ( cfa -- pfa )
1.105 jwilke 2249: xt>body + ; ' (>body) plugin-of t>body
2250:
2251: : fillcfa ( usedcells -- )
1.106 jwilke 2252: T cells H xt>body swap -
1.105 jwilke 2253: assert1( dup 0 >= )
2254: 0 ?DO 0 X c, tchar +LOOP ;
1.52 jwilke 2255:
1.103 jwilke 2256: : (doer,) ( ghost -- )
1.105 jwilke 2257: addr, 1 fillcfa ; ' (doer,) plugin-of doer,
1.52 jwilke 2258:
1.105 jwilke 2259: : (docol,) ( -- ) [G'] :docol (doer,) ; ' (docol,) plugin-of docol,
1.52 jwilke 2260:
2261: : (doprim,) ( -- )
1.105 jwilke 2262: there xt>body + ca>native T a, H 1 fillcfa ; ' (doprim,) plugin-of doprim,
1.52 jwilke 2263:
2264: : (doeshandler,) ( -- )
1.105 jwilke 2265: T cfalign H compile :doesjump T 0 , H ; ' (doeshandler,) plugin-of doeshandler,
1.52 jwilke 2266:
2267: : (dodoes,) ( does-action-ghost -- )
2268: ]comp [G'] :dodoes gexecute comp[
2269: addr,
1.103 jwilke 2270: \ the relocator in the c engine, does not like the
2271: \ does-address to marked for relocation
2272: [ T e? ec H 0= [IF] ] T here H tcell - reloff [ [THEN] ]
1.105 jwilke 2273: 2 fillcfa ; ' (dodoes,) plugin-of dodoes,
1.52 jwilke 2274:
1.107 jwilke 2275: : (dlit,) ( n -- ) compile lit td, ; ' (dlit,) plugin-of dlit,
2276:
2277: : (lit,) ( n -- ) s>d dlit, ; ' (lit,) plugin-of lit,
1.52 jwilke 2278:
1.67 jwilke 2279: \ if we dont produce relocatable code alit, defaults to lit, jaw
1.84 jwilke 2280: \ this is just for convenience, so we don't have to define alit,
2281: \ seperately for embedded systems....
2282: T has? relocate H
1.67 jwilke 2283: [IF]
1.105 jwilke 2284: : (alit,) ( n -- ) compile lit T a, H ; ' (alit,) plugin-of alit,
1.67 jwilke 2285: [ELSE]
1.105 jwilke 2286: : (alit,) ( n -- ) lit, ; ' (alit,) plugin-of alit,
1.67 jwilke 2287: [THEN]
1.52 jwilke 2288:
1.105 jwilke 2289: : (fini,) compile ;s ; ' (fini,) plugin-of fini,
1.42 pazsan 2290:
1.43 pazsan 2291: [IFUNDEF] (code)
2292: Defer (code)
2293: Defer (end-code)
2294: [THEN]
2295:
1.1 anton 2296: >TARGET
1.43 pazsan 2297: : Code
1.52 jwilke 2298: defempty?
1.48 anton 2299: (THeader there resolve
1.53 jwilke 2300: [ T e? prims H 0= [IF] T e? ITC H [ELSE] true [THEN] ] [IF]
1.52 jwilke 2301: doprim,
1.48 anton 2302: [THEN]
2303: depth (code) ;
1.43 pazsan 2304:
2305: : Code:
1.52 jwilke 2306: defempty?
1.103 jwilke 2307: Ghost dup there ca>native resolve <do:> swap >magic !
1.43 pazsan 2308: depth (code) ;
2309:
2310: : end-code
1.52 jwilke 2311: (end-code)
1.43 pazsan 2312: depth ?dup IF 1- <> ABORT" CROSS: Stack changed"
2313: ELSE true ABORT" CROSS: Stack empty" THEN
1.52 jwilke 2314: ;
1.14 anton 2315:
1.1 anton 2316: >CROSS
1.52 jwilke 2317:
1.1 anton 2318: \ tLiteral 12dec92py
2319:
2320: >TARGET
1.40 pazsan 2321: Cond: \G T-\G ;Cond
2322:
1.105 jwilke 2323: Cond: Literal ( n -- ) lit, ;Cond
1.103 jwilke 2324: Cond: ALiteral ( n -- ) alit, ;Cond
1.1 anton 2325:
2326: : Char ( "<char>" -- ) bl word char+ c@ ;
1.103 jwilke 2327: Cond: [Char] ( "<char>" -- ) Char lit, ;Cond
2328:
1.104 jwilke 2329: tchar 1 = [IF]
1.110 jwilke 2330: Cond: chars ;Cond
1.104 jwilke 2331: [THEN]
1.1 anton 2332:
1.43 pazsan 2333: \ some special literals 27jan97jaw
2334:
1.52 jwilke 2335: \ !! Known Bug: Special Literals and plug-ins work only correct
1.102 jwilke 2336: \ on 16 and 32 Bit Targets and 32 Bit Hosts!
1.52 jwilke 2337:
1.107 jwilke 2338: \ This section could be done with dlit, now. But first I need
2339: \ some test code JAW
2340:
1.43 pazsan 2341: Cond: MAXU
1.102 jwilke 2342: tcell 1 cells u>
2343: IF compile lit tcell 0 ?DO FF T c, H LOOP
2344: ELSE ffffffff lit, THEN
1.52 jwilke 2345: ;Cond
1.43 pazsan 2346:
2347: Cond: MINI
1.102 jwilke 2348: tcell 1 cells u>
2349: IF compile lit bigendian
2350: IF 80 T c, H tcell 1 ?DO 0 T c, H LOOP
2351: ELSE tcell 1 ?DO 0 T c, H LOOP 80 T c, H
2352: THEN
2353: ELSE tcell 2 = IF 8000 ELSE 80000000 THEN lit, THEN
1.52 jwilke 2354: ;Cond
1.43 pazsan 2355:
2356: Cond: MAXI
1.102 jwilke 2357: tcell 1 cells u>
2358: IF compile lit bigendian
2359: IF 7F T c, H tcell 1 ?DO FF T c, H LOOP
2360: ELSE tcell 1 ?DO FF T c, H LOOP 7F T c, H
2361: THEN
2362: ELSE tcell 2 = IF 7fff ELSE 7fffffff THEN lit, THEN
1.43 pazsan 2363: ;Cond
2364:
1.1 anton 2365: >CROSS
1.115 jwilke 2366:
1.1 anton 2367: \ Target compiling loop 12dec92py
2368: \ ">tib trick thrown out 10may93jaw
2369: \ number? defined at the top 11may93jaw
1.77 jwilke 2370: \ replaced >in by save-input
2371:
2372: : discard 0 ?DO drop LOOP ;
1.1 anton 2373:
2374: \ compiled word might leave items on stack!
1.77 jwilke 2375: : tcom ( x1 .. xn n name -- )
2376: \ dup count type space
1.103 jwilke 2377: gfind
2378: IF >r ( discard saved input state ) discard r>
2379: dup >exec-compile @ ?dup
2380: IF nip execute-exec-compile ELSE gexecute THEN
1.77 jwilke 2381: EXIT
2382: THEN
2383: number? dup
2384: IF 0> IF swap lit, THEN lit, discard
1.103 jwilke 2385: ELSE 2drop restore-input throw Ghost gexecute THEN ;
1.1 anton 2386:
2387: \ : ; DOES> 13dec92py
2388: \ ] 9may93py/jaw
2389:
1.115 jwilke 2390: >CROSS
2391:
1.105 jwilke 2392: : compiling-state ( -- )
2393: \G set states to compililng
1.54 pazsan 2394: Compiling comp-state !
1.103 jwilke 2395: \ if we have a state in target, change it with the compile state
1.105 jwilke 2396: [G'] state dup undefined? 0=
2397: IF >ghost-xt @ execute X on ELSE drop THEN ;
2398:
2399: : interpreting-state ( -- )
2400: \G set states to interpreting
2401: \ if target has a state variable, change it according to our state
2402: [G'] state dup undefined? 0=
2403: IF >ghost-xt @ execute X off ELSE drop THEN
2404: Interpreting comp-state ! ;
1.115 jwilke 2405:
2406: >TARGET
1.105 jwilke 2407:
2408: : ]
2409: compiling-state
1.1 anton 2410: BEGIN
1.77 jwilke 2411: BEGIN save-input bl word
2412: dup c@ 0= WHILE drop discard refill 0=
1.1 anton 2413: ABORT" CROSS: End of file while target compiling"
2414: REPEAT
2415: tcom
1.103 jwilke 2416: compiling? 0=
1.1 anton 2417: UNTIL ;
2418:
2419: \ by the way: defining a second interpreter (a compiler-)loop
2420: \ is not allowed if a system should be ans conform
2421:
1.110 jwilke 2422: : (:) ( ghost -- )
2423: \ common factor of : and :noname. Prepare ;Resolve and start definition
2424: ;Resolve ! there ;Resolve cell+ !
2425: docol, ]comp colon-start depth T ] H ;
2426:
1.1 anton 2427: : : ( -- colon-sys ) \ Name
1.52 jwilke 2428: defempty?
2429: constflag off \ don't let this flag work over colon defs
2430: \ just to go sure nothing unwanted happens
1.43 pazsan 2431: >in @ skip? IF drop skip-defs EXIT THEN >in !
1.110 jwilke 2432: (THeader (:) ;
1.1 anton 2433:
1.37 pazsan 2434: : :noname ( -- colon-sys )
1.110 jwilke 2435: X cfalign there
2436: \ define a nameless ghost
2437: here ghostheader dup last-header-ghost ! dup to lastghost
2438: (:) ;
1.37 pazsan 2439:
1.103 jwilke 2440: Cond: EXIT ( -- ) compile ;S ;Cond
1.6 anton 2441:
2442: Cond: ?EXIT ( -- ) 1 abort" CROSS: using ?exit" ;Cond
1.2 pazsan 2443:
1.52 jwilke 2444: >CROSS
2445: : LastXT ;Resolve @ 0= abort" CROSS: no definition for LastXT"
2446: ;Resolve cell+ @ ;
2447:
2448: >TARGET
2449:
1.103 jwilke 2450: Cond: recurse ( -- ) Last-Header-Ghost @ gexecute ;Cond
1.52 jwilke 2451:
1.103 jwilke 2452: Cond: ; ( -- )
1.105 jwilke 2453: depth ?dup
2454: IF 1- <> ABORT" CROSS: Stack changed"
2455: ELSE true ABORT" CROSS: Stack empty"
2456: THEN
2457: colon-end
2458: fini,
2459: comp[
2460: ;Resolve @
2461: IF ;Resolve @ ;Resolve cell+ @ resolve
2462: ['] colon-resolved ;Resolve @ >comp !
2463: THEN
2464: interpreting-state
2465: ;Cond
2466:
2467: Cond: [ ( -- ) interpreting-state ;Cond
1.1 anton 2468:
2469: >CROSS
1.54 pazsan 2470:
1.117 ! pazsan 2471: 0 Value created
1.54 pazsan 2472:
1.52 jwilke 2473: : !does ( does-action -- )
1.54 pazsan 2474: tlastcfa @ [G'] :dovar killref
1.117 ! pazsan 2475: >space here >r ghostheader space>
! 2476: r@ created >do:ghost ! r@ swap resolve
! 2477: r> tlastcfa @ >tempdp dodoes, tempdp> ;
1.103 jwilke 2478:
2479: Defer instant-interpret-does>-hook
2480:
2481: : resolve-does>-part ( -- )
2482: \ resolve words made by builders
1.105 jwilke 2483: Last-Header-Ghost @ >do:ghost @ ?dup
1.117 ! pazsan 2484: IF there resolve THEN ;
1.103 jwilke 2485:
1.1 anton 2486: >TARGET
1.103 jwilke 2487: Cond: DOES>
2488: compile (does>) doeshandler,
2489: resolve-does>-part
1.1 anton 2490: ;Cond
1.103 jwilke 2491:
2492: : DOES> switchrom doeshandler, T here H !does
1.117 ! pazsan 2493: ['] does-resolved created >comp !
1.103 jwilke 2494: instant-interpret-does>-hook
2495: depth T ] H ;
1.1 anton 2496:
2497: >CROSS
1.108 jwilke 2498: \ Creation 01nov92py
1.1 anton 2499:
2500: \ Builder 11may93jaw
2501:
1.108 jwilke 2502: 0 Value built
2503:
1.105 jwilke 2504: : Builder ( Create-xt do-ghost "name" -- )
1.52 jwilke 2505: \ builds up a builder in current vocabulary
2506: \ create-xt is executed when word is interpreted
1.106 jwilke 2507: \ do:-xt is executed when the created word from builder is executed
1.105 jwilke 2508: \ for do:-xt an additional entry after the normal ghost-entrys is used
1.52 jwilke 2509:
1.109 jwilke 2510: ghost to built
1.108 jwilke 2511: built >created @ 0= IF
2512: built >created on
2513: THEN ;
1.1 anton 2514:
1.52 jwilke 2515: : gdoes, ( ghost -- )
2516: \ makes the codefield for a word that is built
1.103 jwilke 2517: >do:ghost @ dup undefined? 0=
1.52 jwilke 2518: IF
1.42 pazsan 2519: dup >magic @ <do:> =
1.54 pazsan 2520: IF doer,
2521: ELSE dodoes,
2522: THEN
2523: EXIT
1.52 jwilke 2524: THEN
2525: \ compile :dodoes gexecute
2526: \ T here H tcell - reloff
1.54 pazsan 2527: 2 refered
2528: 0 fillcfa
2529: ;
1.1 anton 2530:
1.103 jwilke 2531: : takeover-x-semantics ( S constructor-ghost new-ghost -- )
1.117 ! pazsan 2532: \g stores execution semantic and compilation semantic in the built word
! 2533: swap >do:ghost @ 2dup swap >do:ghost !
1.110 jwilke 2534: \ we use the >exec2 field for the semantic of a created word,
2535: \ using exec or exec2 makes no difference for normal cross-compilation
2536: \ but is usefull for instant where the exec field is already
2537: \ defined (e.g. Vocabularies)
1.105 jwilke 2538: 2dup >exec @ swap >exec2 !
2539: >comp @ swap >comp ! ;
1.103 jwilke 2540:
1.52 jwilke 2541: : TCreate ( <name> -- )
2542: create-forward-warn
2543: IF ['] reswarn-forward IS resolve-warning THEN
1.103 jwilke 2544: executed-ghost @ (Theader
1.117 ! pazsan 2545: dup >created on dup to created
1.103 jwilke 2546: 2dup takeover-x-semantics hereresolve gdoes, ;
1.52 jwilke 2547:
2548: : RTCreate ( <name> -- )
2549: \ creates a new word with code-field in ram
2550: create-forward-warn
2551: IF ['] reswarn-forward IS resolve-warning THEN
2552: \ make Alias
1.103 jwilke 2553: executed-ghost @ (THeader
2554: dup >created on
2555: 2dup takeover-x-semantics
1.105 jwilke 2556: there 0 T a, H alias-mask flag!
1.103 jwilke 2557: \ store poiter to code-field
1.52 jwilke 2558: switchram T cfalign H
2559: there swap T ! H
2560: there tlastcfa !
1.103 jwilke 2561: hereresolve gdoes, ;
1.1 anton 2562:
2563: : Build: ( -- [xt] [colon-sys] )
1.52 jwilke 2564: :noname postpone TCreate ;
2565:
2566: : BuildSmart: ( -- [xt] [colon-sys] )
2567: :noname
1.53 jwilke 2568: [ T has? rom H [IF] ]
1.52 jwilke 2569: postpone RTCreate
2570: [ [ELSE] ]
2571: postpone TCreate
2572: [ [THEN] ] ;
1.1 anton 2573:
1.108 jwilke 2574: : ;Build
2575: postpone ; built >exec ! ; immediate
2576:
1.1 anton 2577: : gdoes> ( ghost -- addr flag )
1.110 jwilke 2578: executed-ghost @ g>body ;
1.1 anton 2579:
2580: \ DO: ;DO 11may93jaw
2581:
1.108 jwilke 2582: : do:ghost! ( ghost -- ) built >do:ghost ! ;
2583: : doexec! ( xt -- ) built >do:ghost @ >exec ! ;
2584:
2585: : DO: ( -- [xt] [colon-sys] )
2586: here ghostheader do:ghost!
1.110 jwilke 2587: :noname postpone gdoes> ;
1.1 anton 2588:
1.108 jwilke 2589: : by: ( -- [xt] [colon-sys] ) \ name
2590: Ghost do:ghost!
1.110 jwilke 2591: :noname postpone gdoes> ;
1.42 pazsan 2592:
1.108 jwilke 2593: : ;DO ( [xt] [colon-sys] -- )
2594: postpone ; doexec! ; immediate
1.1 anton 2595:
1.109 jwilke 2596: : by ( -- ) \ Name
1.108 jwilke 2597: Ghost >do:ghost @ do:ghost! ;
1.107 jwilke 2598:
1.109 jwilke 2599: : compile: ( --[xt] [colon-sys] )
1.107 jwilke 2600: \G defines a compile time action for created words
2601: \G by this builder
2602: :noname ;
2603:
1.109 jwilke 2604: : ;compile ( [xt] [colon-sys] -- )
2605: postpone ; built >do:ghost @ >comp ! ; immediate
1.107 jwilke 2606:
1.1 anton 2607: \ Variables and Constants 05dec92py
2608:
1.108 jwilke 2609: Builder (Constant)
2610: Build: ( n -- ) ;Build
1.103 jwilke 2611: by: :docon ( target-body-addr -- n ) T @ H ;DO
1.52 jwilke 2612:
1.108 jwilke 2613: Builder Constant
2614: Build: ( n -- ) T , H ;Build
1.52 jwilke 2615: by (Constant)
2616:
1.108 jwilke 2617: Builder AConstant
2618: Build: ( n -- ) T A, H ;Build
1.52 jwilke 2619: by (Constant)
2620:
1.108 jwilke 2621: Builder 2Constant
2622: Build: ( d -- ) T , , H ;Build
1.52 jwilke 2623: DO: ( ghost -- d ) T dup cell+ @ swap @ H ;DO
2624:
1.108 jwilke 2625: Builder Create
2626: BuildSmart: ;Build
1.103 jwilke 2627: by: :dovar ( target-body-addr -- addr ) ;DO
1.1 anton 2628:
1.108 jwilke 2629: Builder Variable
1.53 jwilke 2630: T has? rom H [IF]
1.108 jwilke 2631: Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 , H ( switchrom ) ;Build
1.52 jwilke 2632: by (Constant)
2633: [ELSE]
1.108 jwilke 2634: Build: T 0 , H ;Build
1.1 anton 2635: by Create
1.52 jwilke 2636: [THEN]
1.1 anton 2637:
1.108 jwilke 2638: Builder 2Variable
1.53 jwilke 2639: T has? rom H [IF]
1.108 jwilke 2640: Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 , 0 , H ( switchrom ) ;Build
1.54 pazsan 2641: by (Constant)
2642: [ELSE]
1.108 jwilke 2643: Build: T 0 , 0 , H ;Build
1.54 pazsan 2644: by Create
2645: [THEN]
2646:
1.108 jwilke 2647: Builder AVariable
1.54 pazsan 2648: T has? rom H [IF]
1.108 jwilke 2649: Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 A, H ( switchrom ) ;Build
1.52 jwilke 2650: by (Constant)
2651: [ELSE]
1.108 jwilke 2652: Build: T 0 A, H ;Build
1.1 anton 2653: by Create
1.52 jwilke 2654: [THEN]
1.1 anton 2655:
1.3 pazsan 2656: \ User variables 04may94py
2657:
2658: Variable tup 0 tup !
2659: Variable tudp 0 tudp !
1.78 jwilke 2660:
1.3 pazsan 2661: : u, ( n -- udp )
2662: tup @ tudp @ + T ! H
1.19 pazsan 2663: tudp @ dup T cell+ H tudp ! ;
1.78 jwilke 2664:
1.3 pazsan 2665: : au, ( n -- udp )
2666: tup @ tudp @ + T A! H
1.19 pazsan 2667: tudp @ dup T cell+ H tudp ! ;
1.78 jwilke 2668:
1.108 jwilke 2669: Builder User
2670: Build: 0 u, X , ;Build
1.78 jwilke 2671: by: :douser ( ghost -- up-addr ) X @ tup @ + ;DO
1.1 anton 2672:
1.108 jwilke 2673: Builder 2User
2674: Build: 0 u, X , 0 u, drop ;Build
1.3 pazsan 2675: by User
1.1 anton 2676:
1.108 jwilke 2677: Builder AUser
2678: Build: 0 au, X , ;Build
1.3 pazsan 2679: by User
1.1 anton 2680:
1.108 jwilke 2681: Builder (Value)
2682: Build: ( n -- ) ;Build
2683: by: :docon ( target-body-addr -- n ) T @ H ;DO
2684:
1.1 anton 2685: Builder Value
1.108 jwilke 2686: BuildSmart: T , H ;Build
2687: by (Value)
1.1 anton 2688:
1.32 pazsan 2689: Builder AValue
1.108 jwilke 2690: BuildSmart: T A, H ;Build
2691: by (Value)
1.32 pazsan 2692:
1.103 jwilke 2693: Defer texecute
2694:
1.108 jwilke 2695: Builder Defer
2696: BuildSmart: ( -- ) [T'] noop T A, H ;Build
1.103 jwilke 2697: by: :dodefer ( ghost -- ) X @ texecute ;DO
1.37 pazsan 2698:
1.108 jwilke 2699: Builder interpret/compile:
2700: Build: ( inter comp -- ) swap T immediate A, A, H ;Build
1.37 pazsan 2701: DO: ( ghost -- ) ABORT" CROSS: Don't execute" ;DO
1.24 pazsan 2702:
2703: \ Sturctures 23feb95py
2704:
2705: : nalign ( addr1 n -- addr2 )
2706: \ addr2 is the aligned version of addr1 wrt the alignment size n
2707: 1- tuck + swap invert and ;
1.109 jwilke 2708:
1.24 pazsan 2709:
1.108 jwilke 2710: Builder (Field)
2711: Build: ;Build
1.44 pazsan 2712: by: :dofield T @ H + ;DO
2713:
1.108 jwilke 2714: Builder Field
1.51 anton 2715: Build: ( align1 offset1 align size "name" -- align2 offset2 )
2716: rot dup T , H ( align1 align size offset1 )
1.108 jwilke 2717: + >r nalign r> ;Build
1.44 pazsan 2718: by (Field)
1.24 pazsan 2719:
1.109 jwilke 2720: >TARGET
1.51 anton 2721: : struct T 1 chars 0 H ;
1.24 pazsan 2722: : end-struct T 2Constant H ;
2723:
1.52 jwilke 2724: : cell% ( n -- size align )
1.51 anton 2725: T 1 cells H dup ;
1.109 jwilke 2726: >CROSS
1.88 pazsan 2727:
1.105 jwilke 2728: \ Input-Methods 01py
1.103 jwilke 2729:
1.108 jwilke 2730: Builder input-method
2731: Build: ( m v -- m' v ) dup T , cell+ H ;Build
1.88 pazsan 2732: DO: abort" Not in cross mode" ;DO
2733:
1.108 jwilke 2734: Builder input-var
2735: Build: ( m v size -- m v' ) over T , H + ;Build
1.88 pazsan 2736: DO: abort" Not in cross mode" ;DO
1.24 pazsan 2737:
1.108 jwilke 2738: \ Peephole optimization 05sep01jaw
2739:
2740: \ this section defines different compilation
2741: \ actions for created words
2742: \ this will help the peephole optimizer
2743: \ I (jaw) took this from bernds lates cross-compiler
2744: \ changes but seperated it from the original
2745: \ Builder words. The final plan is to put this
2746: \ into a seperate file, together with the peephole
2747: \ optimizer for cross
2748:
2749:
2750: T has? peephole H [IF]
2751:
1.109 jwilke 2752: >CROSS
2753: : (callc) compile call T >body a, H ; ' (callc) plugin-of colon,
1.117 ! pazsan 2754: : (prim) dup 0< IF ( $4000 - ) ELSE
! 2755: ." wrong usage of (prim) "
! 2756: dup gdiscover IF .ghost ELSE . THEN cr -2 throw THEN
! 2757: T a, H ; ' (prim) plugin-of prim,
1.109 jwilke 2758:
2759: \ if we want this, we have to spilt aconstant
2760: \ and constant!!
2761: \ Builder (Constant)
2762: \ compile: g>body X @ lit, ;compile
1.108 jwilke 2763:
2764: Builder (Constant)
1.109 jwilke 2765: compile: g>body alit, compile @ ;compile
1.108 jwilke 2766:
2767: Builder (Value)
2768: compile: g>body alit, compile @ ;compile
2769:
2770: \ this changes also Variable, AVariable and 2Variable
2771: Builder Create
1.117 ! pazsan 2772: compile: g>body alit, ;compile
1.108 jwilke 2773:
2774: Builder User
2775: compile: g>body compile useraddr T @ , H ;compile
2776:
2777: Builder Defer
2778: compile: g>body alit, compile @ compile execute ;compile
1.102 jwilke 2779:
1.108 jwilke 2780: Builder (Field)
2781: compile: g>body T @ H lit, compile + ;compile
1.117 ! pazsan 2782:
! 2783: Builder interpret/compile:
! 2784: compile: does-resolved ;compile
! 2785:
! 2786: Builder input-method
! 2787: compile: does-resolved ;compile
! 2788:
! 2789: Builder input-var
! 2790: compile: does-resolved ;compile
1.102 jwilke 2791:
1.108 jwilke 2792: [THEN]
1.103 jwilke 2793:
1.52 jwilke 2794: \ structural conditionals 17dec92py
2795:
2796: >CROSS
1.103 jwilke 2797: : (ncontrols?) ( n -- )
2798: \g We expect n open control structures
2799: depth over u<=
2800: ABORT" CROSS: unstructured, stack underflow"
2801: 0 ?DO I pick 0=
2802: ABORT" CROSS: unstructured"
2803: LOOP ; ' (ncontrols?) plugin-of ncontrols?
2804:
2805: \ : ?struc ( flag -- ) ABORT" CROSS: unstructured " ;
2806: \ : sys? ( sys -- sys ) dup 0= ?struc ;
2807:
1.52 jwilke 2808: : >mark ( -- sys ) T here ( dup ." M" hex. ) 0 , H ;
2809:
1.78 jwilke 2810: : branchoffset ( src dest -- ) - tchar / ; \ ?? jaw
1.52 jwilke 2811:
1.78 jwilke 2812: : >resolve ( sys -- )
2813: X here ( dup ." >" hex. ) over branchoffset swap X ! ;
1.52 jwilke 2814:
1.78 jwilke 2815: : <resolve ( sys -- )
2816: X here ( dup ." <" hex. ) branchoffset X , ;
1.52 jwilke 2817:
1.78 jwilke 2818: :noname compile branch X here branchoffset X , ;
1.54 pazsan 2819: IS branch, ( target-addr -- )
1.78 jwilke 2820: :noname compile ?branch X here branchoffset X , ;
1.54 pazsan 2821: IS ?branch, ( target-addr -- )
2822: :noname compile branch T here 0 , H ;
2823: IS branchmark, ( -- branchtoken )
2824: :noname compile ?branch T here 0 , H ;
2825: IS ?branchmark, ( -- branchtoken )
2826: :noname T here 0 , H ;
2827: IS ?domark, ( -- branchtoken )
1.78 jwilke 2828: :noname dup X @ ?struc X here over branchoffset swap X ! ;
1.54 pazsan 2829: IS branchtoresolve, ( branchtoken -- )
1.78 jwilke 2830: :noname branchto, X here ;
1.54 pazsan 2831: IS branchtomark, ( -- target-addr )
1.52 jwilke 2832:
2833: >TARGET
2834:
2835: \ Structural Conditionals 12dec92py
2836:
1.103 jwilke 2837: \ CLEANUP Cond: BUT sys? swap ;Cond
2838: \ CLEANUP Cond: YET sys? dup ;Cond
1.52 jwilke 2839:
2840: >CROSS
2841:
1.78 jwilke 2842: Variable tleavings 0 tleavings !
1.52 jwilke 2843:
1.54 pazsan 2844: : (done) ( addr -- )
2845: tleavings @
2846: BEGIN dup
2847: WHILE
2848: >r dup r@ cell+ @ \ address of branch
2849: u> 0= \ lower than DO?
2850: WHILE
2851: r@ 2 cells + @ \ branch token
2852: branchtoresolve,
2853: r@ @ r> free throw
2854: REPEAT r> THEN
2855: tleavings ! drop ;
2856:
1.53 jwilke 2857: >TARGET
2858:
1.103 jwilke 2859: \ What for? ANS? JAW Cond: DONE ( addr -- ) (done) ;Cond
1.53 jwilke 2860:
2861: >CROSS
1.54 pazsan 2862: : (leave) ( branchtoken -- )
1.53 jwilke 2863: 3 cells allocate throw >r
2864: T here H r@ cell+ !
2865: r@ 2 cells + !
2866: tleavings @ r@ !
2867: r> tleavings ! ;
2868: >TARGET
2869:
1.103 jwilke 2870: : (leave,) ( -- )
2871: branchmark, (leave) ; ' (leave,) plugin-of leave,
2872:
2873: : (?leave,) ( -- )
2874: compile 0= ?branchmark, (leave) ; ' (?leave,) plugin-of ?leave,
2875:
2876: Cond: LEAVE leave, ;Cond
2877: Cond: ?LEAVE ?leave, ;Cond
1.53 jwilke 2878:
1.54 pazsan 2879: >CROSS
2880: \ !!JW ToDo : Move to general tools section
2881:
2882: : to1 ( x1 x2 xn n -- addr )
1.103 jwilke 2883: \G packs n stack elements in am allocated memory region
1.54 pazsan 2884: dup dup 1+ cells allocate throw dup >r swap 1+
2885: 0 DO tuck ! cell+ LOOP
2886: drop r> ;
1.103 jwilke 2887:
1.54 pazsan 2888: : 1to ( addr -- x1 x2 xn )
2889: \G unpacks the elements saved by to1
2890: dup @ swap over cells + swap
2891: 0 DO dup @ swap 1 cells - LOOP
2892: free throw ;
2893:
2894: : loop] branchto, dup <resolve tcell - (done) ;
2895:
2896: : skiploop] ?dup IF branchto, branchtoresolve, THEN ;
2897:
2898: >TARGET
2899:
1.52 jwilke 2900: \ Structural Conditionals 12dec92py
2901:
1.103 jwilke 2902: : (cs-swap) ( x1 x2 -- x2 x1 )
2903: swap ; ' (cs-swap) plugin-of cs-swap
2904:
2905: : (ahead,) branchmark, ; ' (ahead,) plugin-of ahead,
2906:
2907: : (if,) ?branchmark, ; ' (if,) plugin-of if,
2908:
2909: : (then,) branchto, branchtoresolve, ; ' (then,) plugin-of then,
2910:
2911: : (else,) ( ahead ) branchmark,
2912: swap
2913: ( then ) branchto, branchtoresolve, ; ' (else,) plugin-of else,
2914:
2915: : (begin,) branchtomark, ; ' (begin,) plugin-of begin,
2916:
2917: : (while,) ( if ) ?branchmark,
2918: swap ; ' (while,) plugin-of while,
2919:
2920: : (again,) branch, ; ' (again,) plugin-of again,
2921:
2922: : (until,) ?branch, ; ' (until,) plugin-of until,
2923:
2924: : (repeat,) ( again ) branch,
2925: ( then ) branchto, branchtoresolve, ; ' (repeat,) plugin-of repeat,
2926:
2927: : (case,) ( -- n )
2928: 0 ; ' (case,) plugin-of case,
2929:
2930: : (of,) ( n -- x1 n )
2931: 1+ >r
2932: compile over compile =
2933: if, compile drop r> ; ' (of,) plugin-of of,
2934:
2935: : (endof,) ( x1 n -- x2 n )
2936: >r 1 ncontrols? else, r> ; ' (endof,) plugin-of endof,
2937:
2938: : (endcase,) ( x1 .. xn n -- )
2939: compile drop 0 ?DO 1 ncontrols? then, LOOP ; ' (endcase,) plugin-of endcase,
2940:
1.53 jwilke 2941: >TARGET
1.103 jwilke 2942: Cond: AHEAD ahead, ;Cond
2943: Cond: IF if, ;Cond
2944: Cond: THEN 1 ncontrols? then, ;Cond
2945: Cond: ENDIF 1 ncontrols? then, ;Cond
2946: Cond: ELSE 1 ncontrols? else, ;Cond
2947:
2948: Cond: BEGIN begin, ;Cond
2949: Cond: WHILE 1 ncontrols? while, ;Cond
2950: Cond: AGAIN 1 ncontrols? again, ;Cond
2951: Cond: UNTIL 1 ncontrols? until, ;Cond
2952: Cond: REPEAT 2 ncontrols? repeat, ;Cond
2953:
2954: Cond: CASE case, ;Cond
2955: Cond: OF of, ;Cond
2956: Cond: ENDOF endof, ;Cond
2957: Cond: ENDCASE endcase, ;Cond
1.1 anton 2958:
2959: \ Structural Conditionals 12dec92py
2960:
1.103 jwilke 2961: : (do,) ( -- target-addr )
2962: \ ?? i think 0 is too much! jaw
1.54 pazsan 2963: 0 compile (do)
1.103 jwilke 2964: branchtomark, 2 to1 ; ' (do,) plugin-of do,
1.54 pazsan 2965:
1.103 jwilke 2966: \ alternative for if no ?do
2967: \ : (do,)
1.54 pazsan 2968: \ compile 2dup compile = compile IF
2969: \ compile 2drop compile ELSE
2970: \ compile (do) branchtomark, 2 to1 ;
2971:
1.103 jwilke 2972: : (?do,) ( -- target-addr )
1.54 pazsan 2973: 0 compile (?do) ?domark, (leave)
1.103 jwilke 2974: branchtomark, 2 to1 ; ' (?do,) plugin-of ?do,
2975:
2976: : (for,) ( -- target-addr )
2977: compile (for) branchtomark, ; ' (for,) plugin-of for,
2978:
2979: : (loop,) ( target-addr -- )
2980: 1to compile (loop) loop]
2981: compile unloop skiploop] ; ' (loop,) plugin-of loop,
2982:
2983: : (+loop,) ( target-addr -- )
2984: 1to compile (+loop) loop]
2985: compile unloop skiploop] ; ' (+loop,) plugin-of +loop,
2986:
2987: : (next,)
2988: compile (next) loop] compile unloop ; ' (next,) plugin-of next,
2989:
2990: Cond: DO do, ;Cond
2991: Cond: ?DO ?do, ;Cond
2992: Cond: FOR for, ;Cond
2993:
2994: Cond: LOOP 1 ncontrols? loop, ;Cond
2995: Cond: +LOOP 1 ncontrols? +loop, ;Cond
2996: Cond: NEXT 1 ncontrols? next, ;Cond
1.52 jwilke 2997:
1.1 anton 2998: \ String words 23feb93py
2999:
1.103 jwilke 3000: : ," [char] " parse ht-string, X align ;
1.1 anton 3001:
1.103 jwilke 3002: Cond: ." compile (.") T ," H ;Cond
3003: Cond: S" compile (S") T ," H ;Cond
3004: Cond: C" compile (C") T ," H ;Cond
3005: Cond: ABORT" compile (ABORT") T ," H ;Cond
1.1 anton 3006:
3007: Cond: IS T ' >body H compile ALiteral compile ! ;Cond
1.66 pazsan 3008: : IS T >address ' >body ! H ;
1.9 pazsan 3009: Cond: TO T ' >body H compile ALiteral compile ! ;Cond
3010: : TO T ' >body ! H ;
1.1 anton 3011:
1.52 jwilke 3012: Cond: defers T ' >body @ compile, H ;Cond
3013:
1.1 anton 3014: \ LINKED ERR" ENV" 2ENV" 18may93jaw
3015:
3016: \ linked list primitive
1.79 jwilke 3017: : linked X here over X @ X A, swap X ! ;
1.52 jwilke 3018: : chained T linked A, H ;
1.1 anton 3019:
3020: : err" s" ErrLink linked" evaluate T , H
1.103 jwilke 3021: [char] " parse ht-string, X align ;
1.1 anton 3022:
3023: : env" [char] " parse s" EnvLink linked" evaluate
1.103 jwilke 3024: ht-string, X align X , ;
1.1 anton 3025:
3026: : 2env" [char] " parse s" EnvLink linked" evaluate
1.103 jwilke 3027: here >r ht-string, X align X , X ,
1.1 anton 3028: r> dup T c@ H 80 and swap T c! H ;
3029:
3030: \ compile must be last 22feb93py
3031:
1.103 jwilke 3032: Cond: [compile] ( -- ) \ name
3033: \g For immediate words, works even if forward reference
3034: bl word gfind 0= ABORT" CROSS: Can't compile"
3035: (gexecute) ;Cond
3036:
3037: Cond: postpone ( -- ) \ name
3038: bl word gfind 0= ABORT" CROSS: Can't compile"
3039: dup >magic @ <fwd> =
3040: ABORT" CROSS: Can't postpone on forward declaration"
3041: dup >magic @ <imm> =
3042: IF (gexecute)
3043: ELSE compile (compile) addr, THEN ;Cond
1.54 pazsan 3044:
1.77 jwilke 3045: \ save-cross 17mar93py
3046:
3047: hex
3048:
3049: >CROSS
3050: Create magic s" Gforth2x" here over allot swap move
3051:
3052: bigendian 1+ \ strangely, in magic big=0, little=1
3053: tcell 1 = 0 and or
3054: tcell 2 = 2 and or
3055: tcell 4 = 4 and or
3056: tcell 8 = 6 and or
3057: tchar 1 = 00 and or
3058: tchar 2 = 28 and or
3059: tchar 4 = 50 and or
3060: tchar 8 = 78 and or
3061: magic 7 + c!
3062:
3063: : save-cross ( "image-name" "binary-name" -- )
3064: bl parse ." Saving to " 2dup type cr
3065: w/o bin create-file throw >r
1.113 jwilke 3066: s" header" X $has? IF
1.80 anton 3067: s" #! " r@ write-file throw
3068: bl parse r@ write-file throw
3069: s" --image-file" r@ write-file throw
1.77 jwilke 3070: #lf r@ emit-file throw
3071: r@ dup file-position throw drop 8 mod 8 swap ( file-id limit index )
3072: ?do
3073: bl over emit-file throw
3074: loop
3075: drop
3076: magic 8 r@ write-file throw \ write magic
3077: ELSE
3078: bl parse 2drop
3079: THEN
3080: image @ there
3081: r@ write-file throw \ write image
1.113 jwilke 3082: s" relocate" X $has? IF
1.77 jwilke 3083: bit$ @ there 1- tcell>bit rshift 1+
3084: r@ write-file throw \ write tags
3085: THEN
3086: r> close-file throw ;
3087:
3088: : save-region ( addr len -- )
3089: bl parse w/o bin create-file throw >r
3090: swap >image swap r@ write-file throw
3091: r> close-file throw ;
3092:
1.110 jwilke 3093: \ save-asm-region 29aug01jaw
1.103 jwilke 3094:
3095: Variable name-ptr
3096: Create name-buf 200 chars allot
3097: : init-name-buf name-buf name-ptr ! ;
3098: : nb, name-ptr @ c! 1 chars name-ptr +! ;
3099: : $nb, ( adr len -- ) bounds ?DO I c@ nb, LOOP ;
3100: : @nb name-ptr @ name-buf tuck - ;
3101:
3102: \ stores a usefull string representation of the character
3103: \ in the name buffer
3104: : name-char, ( c -- )
3105: dup 'a 'z 1+ within IF nb, EXIT THEN
3106: dup 'A 'Z 1+ within IF $20 + nb, EXIT THEN
3107: dup '0 '9 1+ within IF nb, EXIT THEN
3108: CASE '+ OF s" _PLUS" $nb, ENDOF
3109: '- OF s" _MINUS" $nb, ENDOF
3110: '* OF s" _STAR" $nb, ENDOF
3111: '/ OF s" _SLASH" $nb, ENDOF
3112: '' OF s" _TICK" $nb, ENDOF
3113: '( OF s" _OPAREN" $nb, ENDOF
3114: ') OF s" _CPAREN" $nb, ENDOF
3115: '[ OF s" _OBRACKET" $nb, ENDOF
3116: '] OF s" _CBRACKET" $nb, ENDOF
3117: '! OF s" _STORE" $nb, ENDOF
3118: '@ OF s" _FETCH" $nb, ENDOF
3119: '> OF s" _GREATER" $nb, ENDOF
3120: '< OF s" _LESS" $nb, ENDOF
3121: '= OF s" _EQUAL" $nb, ENDOF
3122: '# OF s" _HASH" $nb, ENDOF
3123: '? OF s" _QUEST" $nb, ENDOF
3124: ': OF s" _COL" $nb, ENDOF
3125: '; OF s" _SEMICOL" $nb, ENDOF
3126: ', OF s" _COMMA" $nb, ENDOF
3127: '. OF s" _DOT" $nb, ENDOF
3128: '" OF s" _DQUOT" $nb, ENDOF
3129: dup
3130: base @ >r hex s>d <# #s 'X hold '_ hold #> $nb, r> base !
3131: ENDCASE ;
3132:
3133: : label-from-ghostname ( ghost -- addr len )
3134: dup >ghostname init-name-buf 'L nb, bounds
3135: ?DO I c@ name-char, LOOP
3136: \ we add the address to a name to make in unique
3137: \ because one name may appear more then once
3138: \ there are names (e.g. boot) that may be reference from other
3139: \ assembler source files, so we declare them as unique
3140: \ and don't add the address suffix
3141: dup >ghost-flags @ <unique> and 0=
3142: IF s" __" $nb, >link @ base @ >r hex 0 <# #s 'L hold #> r> base ! $nb,
3143: ELSE drop
3144: THEN
3145: @nb ;
3146:
1.111 jwilke 3147: \ FIXME why disabled?!
1.103 jwilke 3148: : label-from-ghostnameXX ( ghost -- addr len )
3149: \ same as (label-from-ghostname) but caches generated names
3150: dup >asm-name @ ?dup IF nip count EXIT THEN
3151: \ dup >r (label-from-ghostname) 2dup
3152: align here >r string, align
3153: r> r> >asm-name ! ;
3154:
3155: : primghostdiscover ( xt -- ghost true | xt false )
3156: dup 0= IF false EXIT THEN
3157: >r last-prim-ghost
3158: BEGIN @ dup
3159: WHILE dup >asm-dummyaddr @ r@ =
3160: IF rdrop true EXIT THEN
3161: REPEAT
3162: drop r> false ;
3163:
3164: : gdiscover2 ( xt -- ghost true | xt false )
3165: dup taddr>region 0= IF false EXIT THEN
3166: dup (>regiontype) @ dup 0= IF drop false EXIT THEN
3167: addr-xt-ghost @ dup 0= IF drop false EXIT THEN
3168: nip true ;
3169: \ dup >ghost-name @ IF nip true ELSE drop false THEN ;
3170:
3171: \ generates a label name for the target address
3172: : generate-label-name ( taddr -- addr len )
3173: gdiscover2
3174: IF dup >magic @ <do:> =
3175: IF >asm-name @ count EXIT THEN
3176: label-from-ghostname
3177: ELSE
3178: primghostdiscover
3179: IF >asm-name @ count
3180: ELSE base @ >r hex 0 <# #s 'L hold #> r> base !
3181: THEN
3182: THEN ;
3183:
3184: Variable outfile-fd
3185:
3186: : $out ( adr len -- ) outfile-fd @ write-file throw ;
3187: : nlout newline $out ;
3188: : .ux ( n -- )
3189: base @ hex swap 0 <# #S #> $out base ! ;
3190:
3191: : save-asm-region-part-aligned ( taddr len -- 'taddr 'len )
3192: dup cell/ 0
3193: ?DO nlout s" .word " $out over @relbit
3194: IF over X @ generate-label-name $out
3195: ELSE over X @ s" 0x0" $out .ux
3196: THEN
3197: tcell /string
3198: LOOP ;
3199:
3200: : print-bytes ( taddr len n -- taddr' len' )
3201: over min dup 0>
3202: IF nlout s" .byte " $out 0
3203: ?DO I 0> IF s" , " $out THEN
3204: over X c@ s" 0x0" $out .ux 1 /string
3205: LOOP
3206: THEN ;
3207:
3208: : save-asm-region-part ( addr len -- )
3209: over dup X aligned swap - ?dup
3210: IF print-bytes THEN
3211: save-asm-region-part-aligned
3212: dup dup X aligned swap - ?dup
3213: IF 2 pick @relbit ABORT" relocated field splitted"
3214: print-bytes
3215: THEN
3216: 2drop ;
3217:
3218: : print-label ( taddr -- )
3219: nlout generate-label-name $out s" :" $out ;
3220:
3221: : snl-calc ( taddr taddr2 -- )
3222: tuck over - ;
3223:
3224: : skip-nolables ( taddr -- taddr2 taddr len )
3225: \G skips memory region where no lables are defined
3226: \G starting from taddr+1
3227: \G Labels will be introduced for each reference mark
3228: \G in addr-refs.
3229: \G This word deals with lables at byte addresses as well.
3230: \G The main idea is to have an intro part which
3231: \G skips until the next cell boundary, the middle part
3232: \G which skips whole cells very efficiently and the third
3233: \G part which skips the bytes to the label in a cell
3234: dup 1+ dup (>regiontype)
3235: ( S taddr taddr-realstart type-addr )
3236: dup @ dup IF addr-refs @ THEN
3237: swap >r
3238: over align+ tuck tcell swap - rshift swap 0
3239: DO dup 1 and
3240: IF drop rdrop snl-calc UNLOOP EXIT THEN
3241: 2/ swap 1+ swap
3242: LOOP
3243: drop r> cell+
3244: ( S .. taddr2 type-addr ) dup
3245: BEGIN dup @ dup IF addr-refs @ THEN 0= WHILE cell+ REPEAT
3246: dup >r swap - 1 cells / tcell * + r>
3247: ( S .. taddr2+skiplencells type-addr )
3248: @ addr-refs @ 1 tcell lshift or
3249: BEGIN dup 1 and 0= WHILE swap 1+ swap 2/ REPEAT drop
3250: ( S .. taddr2+skiplencells+skiplenbytes )
3251: snl-calc ;
3252:
3253: : insert-label ( taddr -- )
3254: dup 0= IF drop EXIT THEN
3255: \ ignore everything which points outside our memory regions
3256: \ maybe a primitive pointer or whatever
3257: dup taddr>region 0= IF drop EXIT THEN
3258: dup >r (>regiontype) define-addr-struct addr-refs dup @
3259: r> tcell 1- and 1 swap lshift or swap ! ;
3260:
3261: \ this generates a sorted list of addresses which must be labels
3262: \ it scans therefore a whole region
3263: : generate-label-list-region ( taddr len -- )
3264: BEGIN over @relbit IF over X @ insert-label THEN
3265: tcell /string dup 0<
3266: UNTIL 2drop ;
3267:
3268: : generate-label-list ( -- )
3269: region-link
3270: BEGIN @ dup WHILE
3271: dup 0 >rlink - extent
3272: ?dup IF generate-label-list-region ELSE drop THEN
3273: REPEAT drop ;
3274:
3275: : create-outfile ( addr len -- )
3276: w/o bin create-file throw outfile-fd ! ;
3277:
3278: : close-outfile ( -- )
3279: outfile-fd @ close-file throw ;
3280:
3281: : (save-asm-region) ( region -- )
3282: \ ." label list..."
3283: generate-label-list
3284: \ ." ok!" cr
3285: extent ( S taddr len )
3286: over insert-label
3287: 2dup + dup insert-label >r ( R end-label )
3288: ( S taddr len ) drop
3289: BEGIN
3290: dup print-label
3291: dup r@ <> WHILE
3292: skip-nolables save-asm-region-part
3293: REPEAT drop rdrop ;
3294:
3295: : lineout ( addr len -- )
3296: outfile-fd @ write-line throw ;
3297:
3298: : save-asm-region ( region adr len -- )
3299: create-outfile (save-asm-region) close-outfile ;
3300:
1.54 pazsan 3301: \ \ minimal definitions
3302:
1.77 jwilke 3303: >MINIMAL also minimal
3304:
1.1 anton 3305: \ Usefull words 13feb93py
3306:
3307: : KB 400 * ;
3308:
1.54 pazsan 3309: \ \ [IF] [ELSE] [THEN] ... 14sep97jaw
3310:
3311: \ it is useful to define our own structures and not to rely
1.109 jwilke 3312: \ on the words in the host system
3313: \ The words in the host system might be defined with vocabularies
1.54 pazsan 3314: \ this doesn't work with our self-made compile-loop
3315:
3316: Create parsed 20 chars allot \ store word we parsed
3317:
3318: : upcase
3319: parsed count bounds
3320: ?DO I c@ toupper I c! LOOP ;
3321:
3322: : [ELSE]
3323: 1 BEGIN
3324: BEGIN bl word count dup WHILE
1.77 jwilke 3325: comment? 20 umin parsed place upcase parsed count
1.54 pazsan 3326: 2dup s" [IF]" compare 0= >r
3327: 2dup s" [IFUNDEF]" compare 0= >r
3328: 2dup s" [IFDEF]" compare 0= r> or r> or
3329: IF 2drop 1+
3330: ELSE 2dup s" [ELSE]" compare 0=
3331: IF 2drop 1- dup
3332: IF 1+
3333: THEN
3334: ELSE
3335: 2dup s" [ENDIF]" compare 0= >r
3336: s" [THEN]" compare 0= r> or
3337: IF 1- THEN
3338: THEN
3339: THEN
3340: ?dup 0= ?EXIT
3341: REPEAT
3342: 2drop refill 0=
3343: UNTIL drop ; immediate
3344:
3345: : [THEN] ( -- ) ; immediate
3346:
3347: : [ENDIF] ( -- ) ; immediate
3348:
3349: : [IF] ( flag -- )
3350: 0= IF postpone [ELSE] THEN ; immediate
3351:
3352: Cond: [IF] postpone [IF] ;Cond
3353: Cond: [THEN] postpone [THEN] ;Cond
3354: Cond: [ELSE] postpone [ELSE] ;Cond
3355:
1.1 anton 3356: \ define new [IFDEF] and [IFUNDEF] 20may93jaw
3357:
1.77 jwilke 3358: : defined? tdefined? ;
1.44 pazsan 3359: : needed? needed? ;
3360: : doer? doer? ;
1.1 anton 3361:
1.52 jwilke 3362: \ we want to use IFDEF on compiler directives (e.g. E?) in the source, too
3363:
3364: : directive?
1.77 jwilke 3365: bl word count [ ' target >wordlist ] literal search-wordlist
1.52 jwilke 3366: dup IF nip THEN ;
3367:
3368: : [IFDEF] >in @ directive? swap >in !
1.77 jwilke 3369: 0= IF tdefined? ELSE name 2drop true THEN
1.52 jwilke 3370: postpone [IF] ;
3371:
1.77 jwilke 3372: : [IFUNDEF] tdefined? 0= postpone [IF] ;
1.1 anton 3373:
1.54 pazsan 3374: Cond: [IFDEF] postpone [IFDEF] ;Cond
3375:
3376: Cond: [IFUNDEF] postpone [IFUNDEF] ;Cond
3377:
1.1 anton 3378: \ C: \- \+ Conditional Compiling 09jun93jaw
3379:
1.77 jwilke 3380: : C: >in @ tdefined? 0=
3381: IF >in ! X :
1.1 anton 3382: ELSE drop
3383: BEGIN bl word dup c@
3384: IF count comment? s" ;" compare 0= ?EXIT
3385: ELSE refill 0= ABORT" CROSS: Out of Input while C:"
3386: THEN
3387: AGAIN
3388: THEN ;
3389:
1.74 jwilke 3390: : d? d? ;
3391:
3392: \G doesn't skip line when debug switch is on
3393: : \D D? 0= IF postpone \ THEN ;
1.52 jwilke 3394:
1.48 anton 3395: \G interprets the line if word is not defined
1.77 jwilke 3396: : \- tdefined? IF postpone \ THEN ;
1.48 anton 3397:
3398: \G interprets the line if word is defined
1.77 jwilke 3399: : \+ tdefined? 0= IF postpone \ THEN ;
1.1 anton 3400:
1.48 anton 3401: Cond: \- \- ;Cond
3402: Cond: \+ \+ ;Cond
1.52 jwilke 3403: Cond: \D \D ;Cond
1.48 anton 3404:
3405: : ?? bl word find IF execute ELSE drop 0 THEN ;
3406:
3407: : needed:
3408: \G defines ghost for words that we want to be compiled
1.103 jwilke 3409: BEGIN >in @ bl word c@ WHILE >in ! Ghost drop REPEAT drop ;
1.48 anton 3410:
1.1 anton 3411: \ words that should be in minimal
1.52 jwilke 3412:
3413: create s-buffer 50 chars allot
3414:
1.77 jwilke 3415: bigendian Constant bigendian
1.1 anton 3416:
1.52 jwilke 3417: : here there ;
1.67 jwilke 3418: : equ constant ;
3419: : mark there constant ;
1.54 pazsan 3420:
3421: \ compiler directives
1.52 jwilke 3422: : >ram >ram ;
3423: : >rom >rom ;
3424: : >auto >auto ;
3425: : >tempdp >tempdp ;
3426: : tempdp> tempdp> ;
3427: : const constflag on ;
1.103 jwilke 3428:
3429: : Redefinitions-start
3430: \G Starts a redefinition section. Warnings are disabled and
3431: \G existing ghosts are reused. This is used in the kernel
3432: \G where ( and \ and the like are redefined
3433: twarnings off warnings off reuse-ghosts on ;
3434:
3435: : Redefinitions-end
3436: \G Ends a redefinition section. Warnings are enabled again.
3437: twarnings on warnings on reuse-ghosts off ;
3438:
3439: : warnings name 3 =
3440: IF twarnings off warnings off ELSE twarnings on warnings on THEN drop ;
1.102 jwilke 3441:
1.60 anton 3442: : | ;
3443: \ : | NoHeaderFlag on ; \ This is broken (damages the last word)
1.52 jwilke 3444:
1.48 anton 3445: : save-cross save-cross ;
1.52 jwilke 3446: : save-region save-region ;
3447: : tdump swap >image swap dump ;
3448:
1.48 anton 3449: also forth
1.52 jwilke 3450: [IFDEF] Label : Label defempty? Label ; [THEN]
3451: [IFDEF] start-macros : start-macros defempty? start-macros ; [THEN]
1.77 jwilke 3452: \ [IFDEF] builttag : builttag builttag ; [THEN]
1.48 anton 3453: previous
3454:
1.52 jwilke 3455: : s" [char] " parse s-buffer place s-buffer count ; \ for environment?
1.43 pazsan 3456: : + + ;
1.52 jwilke 3457: : 1+ 1 + ;
3458: : 2+ 2 + ;
1.43 pazsan 3459: : 1- 1- ;
3460: : - - ;
1.52 jwilke 3461: : and and ;
3462: : or or ;
1.43 pazsan 3463: : 2* 2* ;
3464: : * * ;
3465: : / / ;
3466: : dup dup ;
3467: : over over ;
3468: : swap swap ;
3469: : rot rot ;
3470: : drop drop ;
3471: : = = ;
3472: : 0= 0= ;
3473: : lshift lshift ;
3474: : 2/ 2/ ;
1.103 jwilke 3475: \ : . . ;
1.1 anton 3476:
1.79 jwilke 3477: : all-words ['] forced? IS skip? ;
1.43 pazsan 3478: : needed-words ['] needed? IS skip? ;
1.75 jwilke 3479: : undef-words ['] defined2? IS skip? ;
3480: : skipdef skipdef ;
1.1 anton 3481:
1.40 pazsan 3482: : \ postpone \ ; immediate
1.47 pazsan 3483: : \G T-\G ; immediate
1.40 pazsan 3484: : ( postpone ( ; immediate
1.1 anton 3485: : include bl word count included ;
1.103 jwilke 3486: : included swap >image swap included ;
1.52 jwilke 3487: : require require ;
1.103 jwilke 3488: : needs require ;
1.1 anton 3489: : .( [char] ) parse type ;
1.52 jwilke 3490: : ." [char] " parse type ;
1.1 anton 3491: : cr cr ;
3492:
1.77 jwilke 3493: : times 0 ?DO dup X c, LOOP drop ; \ used for space table creation
3494:
3495: \ only forth also cross also minimal definitions order
1.1 anton 3496:
3497: \ cross-compiler words
3498:
1.103 jwilke 3499: : decimal decimal [g'] decimal >exec2 @ ?dup IF EXECUTE THEN ;
3500: : hex hex [g'] hex >exec2 @ ?dup IF EXECUTE THEN ;
1.1 anton 3501:
1.77 jwilke 3502: \ : tudp X tudp ;
3503: \ : tup X tup ;
3504:
3505: : doc-off false to-doc ! ;
3506: : doc-on true to-doc ! ;
1.39 pazsan 3507:
1.103 jwilke 3508: : declareunique ( "name" -- )
3509: \G Sets the unique flag for a ghost. The assembler output
3510: \G generates labels with the ghostname concatenated with the address
3511: \G while cross-compiling. The address is concatenated
3512: \G because we have double occurences of the same name.
3513: \G If we want to reference the labels from the assembler or C
3514: \G code we declare them unique, so the address is skipped.
3515: Ghost >ghost-flags dup @ <unique> or swap ! ;
3516:
3517: \ [IFDEF] dbg : dbg dbg ; [THEN]
1.39 pazsan 3518:
1.1 anton 3519: \ for debugging...
1.103 jwilke 3520: \ : dbg dbg ;
3521: : horder order ;
3522: : hwords words ;
3523: \ : words also ghosts
3524: \ words previous ;
1.105 jwilke 3525: : .s .s ;
1.1 anton 3526: : bye bye ;
1.99 pazsan 3527:
1.103 jwilke 3528: \ dummy
3529: : group 0 word drop ;
3530:
1.1 anton 3531: \ turnkey direction
3532: : H forth ; immediate
3533: : T minimal ; immediate
3534: : G ghosts ; immediate
3535:
3536:
3537: \ these ones are pefered:
3538:
1.74 jwilke 3539: : unlock previous forth also cross ;
1.52 jwilke 3540:
1.77 jwilke 3541: \ also minimal
1.103 jwilke 3542: >cross
3543:
3544: : turnkey
3545: ghosts-wordlist 1 set-order
3546: also target definitions
3547: also Minimal also ;
3548:
3549: >minimal
3550:
3551: : [[+++
3552: turnkey unlock ;
1.1 anton 3553:
3554: unlock definitions also minimal
1.77 jwilke 3555:
1.103 jwilke 3556: : lock turnkey ;
3557:
3558: Defer +++]]-hook
3559: : +++]] +++]]-hook lock ;
3560:
3561: LOCK
1.77 jwilke 3562: \ load cross compiler extension defined in mach file
3563:
3564: UNLOCK >CROSS
3565:
3566: [IFDEF] extend-cross extend-cross [THEN]
3567:
3568: LOCK
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