Annotation of gforth/cross.fs, revision 1.120
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:
1.120 ! jwilke 252: \ FIXME delete`
1.52 jwilke 253: \ 1 Constant Cross-Flag \ to check whether assembler compiler plug-ins are
254: \ for cross-compiling
255: \ No! we use "[IFUNDEF]" there to find out whether we are target compiling!!!
256:
1.120 ! jwilke 257: \ FIXME move down
1.52 jwilke 258: : comment? ( c-addr u -- c-addr u )
259: 2dup s" (" compare 0=
260: IF postpone (
261: ELSE 2dup s" \" compare 0= IF postpone \ THEN
262: THEN ;
263:
1.120 ! jwilke 264: : X ( -- <name> )
! 265: \G The next word in the input is a target word.
! 266: \G Equivalent to T <name> but without permanent
! 267: \G switch to target dictionary. Used as prefix e.g. for @, !, here etc.
! 268: bl word count [ ' target >wordlist ] Literal search-wordlist
! 269: IF state @ IF compile, ELSE execute THEN
! 270: ELSE -1 ABORT" Cross: access method not supported!"
! 271: THEN ; immediate
1.105 jwilke 272:
1.52 jwilke 273: \ Begin CROSS COMPILER:
274:
1.74 jwilke 275: \ debugging
1.52 jwilke 276:
1.74 jwilke 277: 0 [IF]
278:
279: This implements debugflags for the cross compiler and the compiled
280: images. It works identical to the has-flags in the environment.
281: The debugflags are defined in a vocabluary. If the word exists and
282: its value is true, the flag is switched on.
283:
284: [THEN]
285:
1.77 jwilke 286: >CROSS
287:
1.74 jwilke 288: Vocabulary debugflags \ debug flags for cross
289: also debugflags get-order over
290: Constant debugflags-wl
291: set-order previous
292:
293: : DebugFlag
294: get-current >r debugflags-wl set-current
295: SetValue
296: r> set-current ;
297:
298: : Debug? ( adr u -- flag )
299: \G return true if debug flag is defined or switched on
300: debugflags-wl search-wordlist
301: IF EXECUTE
302: ELSE false THEN ;
303:
304: : D? ( <name> -- flag )
305: \G return true if debug flag is defined or switched on
306: \G while compiling we do not return the current value but
307: bl word count debug? ;
308:
309: : [d?]
310: \G compile the value-xt so the debug flag can be switched
311: \G the flag must exist!
312: bl word count debugflags-wl search-wordlist
313: IF compile,
314: ELSE -1 ABORT" unknown debug flag"
315: \ POSTPONE false
316: THEN ; immediate
1.54 pazsan 317:
1.77 jwilke 318: \ \ -------------------- source file
319:
320: decimal
321:
322: Variable cross-file-list
323: 0 cross-file-list !
324: Variable target-file-list
325: 0 target-file-list !
326: Variable host-file-list
327: 0 host-file-list !
328:
329: cross-file-list Value file-list
330: 0 Value source-desc
331:
332: \ file loading
333:
334: : >fl-id 1 cells + ;
335: : >fl-name 2 cells + ;
336:
337: Variable filelist 0 filelist !
338: Create NoFile ," #load-file#"
339:
340: : loadfile ( -- adr )
341: source-desc ?dup IF >fl-name ELSE NoFile THEN ;
342:
343: : sourcefilename ( -- adr len )
344: loadfile count ;
345:
346: \ANSI : sourceline# 0 ;
347:
348: \ \ -------------------- path handling from kernel/paths.fs
349:
350: \ paths.fs path file handling 03may97jaw
351:
352: \ -Changing the search-path:
353: \ fpath+ <path> adds a directory to the searchpath
354: \ fpath= <path>|<path> makes complete now searchpath
355: \ seperator is |
356: \ .fpath displays the search path
357: \ remark I:
358: \ a ./ in the beginning of filename is expanded to the directory the
359: \ current file comes from. ./ can also be included in the search-path!
360: \ ~+/ loads from the current working directory
361:
362: \ remark II:
363: \ if there is no sufficient space for the search path increase it!
364:
365:
366: \ -Creating custom paths:
367:
368: \ It is possible to use the search mechanism on yourself.
369:
370: \ Make a buffer for the path:
371: \ create mypath 100 chars , \ maximum length (is checked)
372: \ 0 , \ real len
373: \ 100 chars allot \ space for path
374: \ use the same functions as above with:
375: \ mypath path+
376: \ mypath path=
377: \ mypath .path
378:
379: \ do a open with the search path:
380: \ open-path-file ( adr len path -- fd adr len ior )
381: \ the file is opened read-only; if the file is not found an error is generated
382:
383: \ questions to: wilke@jwdt.com
384:
385: [IFUNDEF] +place
386: : +place ( adr len adr )
387: 2dup >r >r
388: dup c@ char+ + swap move
389: r> r> dup c@ rot + swap c! ;
390: [THEN]
391:
392: [IFUNDEF] place
393: : place ( c-addr1 u c-addr2 )
394: 2dup c! char+ swap move ;
395: [THEN]
396:
397: \ if we have path handling, use this and the setup of it
398: [IFUNDEF] open-fpath-file
399:
400: create sourcepath 1024 chars , 0 , 1024 chars allot \ !! make this dynamic
401: sourcepath value fpath
402:
403: : also-path ( adr len path^ -- )
404: >r
405: \ len check
406: r@ cell+ @ over + r@ @ u> ABORT" path buffer too small!"
407: \ copy into
408: tuck r@ cell+ dup @ cell+ + swap cmove
409: \ make delimiter
410: 0 r@ cell+ dup @ cell+ + 2 pick + c! 1 + r> cell+ +!
411: ;
412:
413: : only-path ( adr len path^ -- )
414: dup 0 swap cell+ ! also-path ;
415:
416: : path+ ( path-addr "dir" -- ) \ gforth
417: \G Add the directory @var{dir} to the search path @var{path-addr}.
418: name rot also-path ;
419:
420: : fpath+ ( "dir" ) \ gforth
421: \G Add directory @var{dir} to the Forth search path.
422: fpath path+ ;
423:
424: : path= ( path-addr "dir1|dir2|dir3" ) \ gforth
425: \G Make a complete new search path; the path separator is |.
426: name 2dup bounds ?DO i c@ [char] | = IF 0 i c! THEN LOOP
427: rot only-path ;
428:
429: : fpath= ( "dir1|dir2|dir3" ) \ gforth
430: \G Make a complete new Forth search path; the path separator is |.
431: fpath path= ;
432:
433: : path>counted cell+ dup cell+ swap @ ;
434:
435: : next-path ( adr len -- adr2 len2 )
436: 2dup 0 scan
437: dup 0= IF 2drop 0 -rot 0 -rot EXIT THEN
438: >r 1+ -rot r@ 1- -rot
439: r> - ;
440:
441: : previous-path ( path^ -- )
442: dup path>counted
443: BEGIN tuck dup WHILE repeat ;
444:
445: : .path ( path-addr -- ) \ gforth
446: \G Display the contents of the search path @var{path-addr}.
447: path>counted
448: BEGIN next-path dup WHILE type space REPEAT 2drop 2drop ;
449:
450: : .fpath ( -- ) \ gforth
451: \G Display the contents of the Forth search path.
452: fpath .path ;
453:
454: : absolut-path? ( addr u -- flag ) \ gforth
455: \G A path is absolute if it starts with a / or a ~ (~ expansion),
456: \G or if it is in the form ./*, extended regexp: ^[/~]|./, or if
457: \G it has a colon as second character ("C:..."). Paths simply
458: \G containing a / are not absolute!
459: 2dup 2 u> swap 1+ c@ [char] : = and >r \ dos absoulte: c:/....
460: over c@ [char] / = >r
461: over c@ [char] ~ = >r
462: \ 2dup 3 min S" ../" compare 0= r> or >r \ not catered for in expandtopic
463: 2 min S" ./" compare 0=
464: r> r> r> or or or ;
465:
466: Create ofile 0 c, 255 chars allot
467: Create tfile 0 c, 255 chars allot
468:
469: : pathsep? dup [char] / = swap [char] \ = or ;
470:
471: : need/ ofile dup c@ + c@ pathsep? 0= IF s" /" ofile +place THEN ;
472:
473: : extractpath ( adr len -- adr len2 )
474: BEGIN dup WHILE 1-
475: 2dup + c@ pathsep? IF EXIT THEN
476: REPEAT ;
477:
478: : remove~+ ( -- )
479: ofile count 3 min s" ~+/" compare 0=
480: IF
481: ofile count 3 /string ofile place
482: THEN ;
483:
484: : expandtopic ( -- ) \ stack effect correct? - anton
485: \ expands "./" into an absolute name
486: ofile count 2 min s" ./" compare 0=
487: IF
488: ofile count 1 /string tfile place
489: 0 ofile c! sourcefilename extractpath ofile place
490: ofile c@ IF need/ THEN
491: tfile count over c@ pathsep? IF 1 /string THEN
492: ofile +place
493: THEN ;
494:
495: : compact.. ( adr len -- adr2 len2 )
1.85 pazsan 496: \ deletes phrases like "xy/.." out of our directory name 2dec97jaw
497: over swap
498: BEGIN dup WHILE
499: dup >r '/ scan 2dup 4 min s" /../" compare 0=
500: IF
501: dup r> - >r 4 /string over r> + 4 -
502: swap 2dup + >r move dup r> over -
503: ELSE
504: rdrop dup 1 min /string
505: THEN
506: REPEAT drop over - ;
1.77 jwilke 507:
508: : reworkdir ( -- )
509: remove~+
510: ofile count compact..
511: nip ofile c! ;
512:
513: : open-ofile ( -- fid ior )
514: \G opens the file whose name is in ofile
515: expandtopic reworkdir
516: ofile count r/o open-file ;
517:
518: : check-path ( adr1 len1 adr2 len2 -- fd 0 | 0 <>0 )
519: 0 ofile ! >r >r ofile place need/
520: r> r> ofile +place
521: open-ofile ;
522:
523: : open-path-file ( addr1 u1 path-addr -- wfileid addr2 u2 0 | ior ) \ gforth
524: \G Look in path @var{path-addr} for the file specified by @var{addr1 u1}.
525: \G If found, the resulting path and an open file descriptor
526: \G are returned. If the file is not found, @var{ior} is non-zero.
527: >r
528: 2dup absolut-path?
529: IF rdrop
530: ofile place open-ofile
531: dup 0= IF >r ofile count r> THEN EXIT
532: ELSE r> path>counted
533: BEGIN next-path dup
534: WHILE 5 pick 5 pick check-path
535: 0= IF >r 2drop 2drop r> ofile count 0 EXIT ELSE drop THEN
536: REPEAT
537: 2drop 2drop 2drop -38
538: THEN ;
539:
540: : open-fpath-file ( addr1 u1 -- wfileid addr2 u2 0 | ior ) \ gforth
541: \G Look in the Forth search path for the file specified by @var{addr1 u1}.
542: \G If found, the resulting path and an open file descriptor
543: \G are returned. If the file is not found, @var{ior} is non-zero.
544: fpath open-path-file ;
545:
546: fpath= ~+
547:
548: [THEN]
549:
550: \ \ -------------------- include require 13may99jaw
551:
552: >CROSS
553:
554: : add-included-file ( adr len -- adr )
555: dup >fl-name char+ allocate throw >r
556: file-list @ r@ ! r@ file-list !
557: r@ >fl-name place r> ;
558:
559: : included? ( c-addr u -- f )
560: file-list
561: BEGIN @ dup
562: WHILE >r 2dup r@ >fl-name count compare 0=
563: IF rdrop 2drop true EXIT THEN
564: r>
565: REPEAT
566: 2drop drop false ;
567:
568: false DebugFlag showincludedfiles
569:
570: : included1 ( fd adr u -- )
571: \ include file adr u / fd
572: \ we don't use fd with include-file, because the forth system
573: \ doesn't know the name of the file to get a nice error report
574: [d?] showincludedfiles
575: IF cr ." Including: " 2dup type ." ..." THEN
576: rot close-file throw
577: source-desc >r
578: add-included-file to source-desc
579: sourcefilename
580: ['] included catch
581: r> to source-desc
582: throw ;
583:
584: : included ( adr len -- )
585: cross-file-list to file-list
586: open-fpath-file throw
587: included1 ;
588:
589: : required ( adr len -- )
590: cross-file-list to file-list
591: open-fpath-file throw \ 2dup cr ." R:" type
592: 2dup included?
593: IF 2drop close-file throw
594: ELSE included1
595: THEN ;
596:
597: : include bl word count included ;
598:
599: : require bl word count required ;
600:
1.78 jwilke 601: 0 [IF]
602:
1.77 jwilke 603: also forth definitions previous
604:
605: : included ( adr len -- ) included ;
606:
607: : required ( adr len -- ) required ;
608:
609: : include include ;
610:
611: : require require ;
612:
1.78 jwilke 613: [THEN]
614:
1.77 jwilke 615: >CROSS
616: hex
617:
618: \ \ -------------------- Error Handling 05aug97jaw
619:
620: \ Flags
621:
622: also forth definitions \ these values may be predefined before
623: \ the cross-compiler is loaded
624:
625: false DefaultValue stack-warn \ check on empty stack at any definition
626: false DefaultValue create-forward-warn \ warn on forward declaration of created words
627:
628: previous >CROSS
629:
630: : .dec
631: base @ decimal swap . base ! ;
632:
633: : .sourcepos
634: cr sourcefilename type ." :"
635: sourceline# .dec ;
636:
637: : warnhead
638: \G display error-message head
639: \G perhaps with linenumber and filename
640: .sourcepos ." Warning: " ;
641:
642: : empty? depth IF .sourcepos ." Stack not empty!" THEN ;
643:
644: stack-warn [IF]
645: : defempty? empty? ;
646: [ELSE]
647: : defempty? ; immediate
648: [THEN]
649:
1.105 jwilke 650: \ \ -------------------- Compiler Plug Ins 01aug97jaw
651:
652: >CROSS
653:
654: \ Compiler States
655:
656: Variable comp-state
657: 0 Constant interpreting
658: 1 Constant compiling
659: 2 Constant resolving
660: 3 Constant assembling
661:
662: : compiling? comp-state @ compiling = ;
663:
664: : pi-undefined -1 ABORT" Plugin undefined" ;
665:
666: : Plugin ( -- : pluginname )
667: Create
668: \ for normal cross-compiling only one action
669: \ exists, this fields are identical. For the instant
670: \ simulation environment we need, two actions for each plugin
671: \ the target one and the one that generates the simulation code
672: ['] pi-undefined , \ action
673: ['] pi-undefined , \ target plugin action
674: 8765 , \ plugin magic
675: DOES> perform ;
676:
677: Plugin DummyPlugin
678:
679: : 'PI ( -- addr : pluginname )
680: ' >body dup 2 cells + @ 8765 <> ABORT" not a plugin" ;
681:
682: : plugin-of ( xt -- : pluginname )
683: dup 'PI 2! ;
684:
685: : action-of ( xt -- : plunginname )
686: 'PI cell+ ! ;
687:
688: : TPA ( -- : plugin )
689: \ target plugin action
690: \ executes current target action of plugin
691: 'PI cell+ POSTPONE literal POSTPONE perform ; immediate
692:
693: Variable ppi-temp 0 ppi-temp !
694:
695: : pa:
696: \g define plugin action
697: ppi-temp @ ABORT" pa: definition not closed"
698: 'PI ppi-temp ! :noname ;
699:
700: : ;pa
701: \g end a definition for plugin action
702: POSTPONE ; ppi-temp @ ! 0 ppi-temp ! ; immediate
703:
704:
1.107 jwilke 705: Plugin dlit, ( d -- ) \ compile numerical value the target
1.105 jwilke 706: Plugin lit, ( n -- )
707: Plugin alit, ( n -- )
708:
709: Plugin branch, ( target-addr -- ) \ compiles a branch
710: Plugin ?branch, ( target-addr -- ) \ compiles a ?branch
711: Plugin branchmark, ( -- branch-addr ) \ reserves room for a branch
712: Plugin ?branchmark, ( -- branch-addr ) \ reserves room for a ?branch
713: Plugin ?domark, ( -- branch-addr ) \ reserves room for a ?do branch
714: Plugin branchto, ( -- ) \ actual program position is target of a branch (do e.g. alignment)
715: ' NOOP plugin-of branchto,
716: Plugin branchtoresolve, ( branch-addr -- ) \ resolves a forward reference from branchmark
717: Plugin branchtomark, ( -- target-addr ) \ marks a branch destination
718:
719: Plugin colon, ( tcfa -- ) \ compiles call to tcfa at current position
1.117 pazsan 720: Plugin xt, ( tcfa -- ) \ compiles xt
1.105 jwilke 721: Plugin prim, ( tcfa -- ) \ compiles primitive invocation
722: Plugin colonmark, ( -- addr ) \ marks a colon call
723: Plugin colon-resolve ( tcfa addr -- )
724:
725: Plugin addr-resolve ( target-addr addr -- )
726: Plugin doer-resolve ( ghost res-pnt target-addr addr -- ghost res-pnt )
727:
728: Plugin ncontrols? ( [ xn ... x1 ] n -- ) \ checks wheter n control structures are open
729: Plugin if, ( -- if-token )
730: Plugin else, ( if-token -- if-token )
731: Plugin then, ( if-token -- )
732: Plugin ahead,
733: Plugin begin,
734: Plugin while,
735: Plugin until,
736: Plugin again,
737: Plugin repeat,
738: Plugin cs-swap ( x1 x2 -- x2 x1 )
739:
740: Plugin case, ( -- n )
741: Plugin of, ( n -- x1 n )
742: Plugin endof, ( x1 n -- x2 n )
743: Plugin endcase, ( x1 .. xn n -- )
744:
745: Plugin do, ( -- do-token )
746: Plugin ?do, ( -- ?do-token )
747: Plugin for, ( -- for-token )
748: Plugin loop, ( do-token / ?do-token -- )
749: Plugin +loop, ( do-token / ?do-token -- )
750: Plugin next, ( for-token )
751: Plugin leave, ( -- )
752: Plugin ?leave, ( -- )
753:
754: [IFUNDEF] ca>native
755: Plugin ca>native
756: [THEN]
757:
758: Plugin doprim, \ compiles start of a primitive
759: Plugin docol, \ compiles start of a colon definition
760: Plugin doer,
761: Plugin fini, \ compiles end of definition ;s
762: Plugin doeshandler,
763: Plugin dodoes,
764:
765: Plugin colon-start
766: ' noop plugin-of colon-start
767: Plugin colon-end
768: ' noop plugin-of colon-end
769:
770: Plugin ]comp \ starts compilation
771: ' noop plugin-of ]comp
772: Plugin comp[ \ ends compilation
773: ' noop plugin-of comp[
774:
775: Plugin t>body \ we need the system >body
776: \ and the target >body
777:
778: >TARGET
779: : >body t>body ;
780:
781:
1.103 jwilke 782: \ Ghost Builder 06oct92py
783:
1.105 jwilke 784: >CROSS
1.103 jwilke 785: hex
1.105 jwilke 786: \ Values for ghost magic
1.103 jwilke 787: 4711 Constant <fwd> 4712 Constant <res>
788: 4713 Constant <imm> 4714 Constant <do:>
789: 4715 Constant <skip>
790:
1.105 jwilke 791: \ Bitmask for ghost flags
1.103 jwilke 792: 1 Constant <unique>
1.105 jwilke 793: 2 Constant <primitive>
794:
795: \ FXIME: move this to general stuff?
796: : set-flag ( addr flag -- )
797: over @ or swap ! ;
798:
799: : reset-flag ( addr flag -- )
800: invert over @ and swap ! ;
801:
802: : get-flag ( addr flag -- f )
803: swap @ and 0<> ;
804:
1.103 jwilke 805:
806: Struct
1.52 jwilke 807:
1.103 jwilke 808: \ link to next ghost (always the first element)
809: cell% field >next-ghost
1.52 jwilke 810:
1.103 jwilke 811: \ type of ghost
812: cell% field >magic
813:
814: \ pointer where ghost is in target, or if unresolved
815: \ points to the where we have to resolve (linked-list)
816: cell% field >link
1.52 jwilke 817:
1.106 jwilke 818: \ execution semantics (while target compiling) of ghost
1.103 jwilke 819: cell% field >exec
1.52 jwilke 820:
1.106 jwilke 821: \ compilation action of this ghost; this is what is
822: \ done to compile a call (or whatever) to this definition.
823: \ E.g. >comp contains the semantic of postpone s"
824: \ whereas >exec-compile contains the semantic of s"
1.105 jwilke 825: cell% field >comp
826:
1.106 jwilke 827: \ Compilation sematics (while parsing) of this ghost. E.g.
828: \ "\" will skip the rest of line.
829: \ These semantics are defined by Cond: and
830: \ if a word is made immediate in instant, then the >exec2 field
831: \ gets copied to here
1.103 jwilke 832: cell% field >exec-compile
1.52 jwilke 833:
1.106 jwilke 834: \ Additional execution semantics of this ghost. This is used
835: \ for code generated by instant and for the doer-xt of created
836: \ words
1.103 jwilke 837: cell% field >exec2
1.52 jwilke 838:
1.103 jwilke 839: cell% field >created
1.52 jwilke 840:
1.103 jwilke 841: \ the xt of the created ghost word itself
842: cell% field >ghost-xt
1.52 jwilke 843:
1.103 jwilke 844: \ pointer to the counted string of the assiciated
845: \ assembler label
846: cell% field >asm-name
1.52 jwilke 847:
1.103 jwilke 848: \ mapped primitives have a special address, so
849: \ we are able to detect them
850: cell% field >asm-dummyaddr
851:
852: \ for builder (create, variable...) words
853: \ the execution symantics of words built are placed here
854: \ this is a doer ghost or a dummy ghost
855: cell% field >do:ghost
1.93 pazsan 856:
1.103 jwilke 857: cell% field >ghost-flags
1.93 pazsan 858:
1.103 jwilke 859: cell% field >ghost-name
1.52 jwilke 860:
1.103 jwilke 861: End-Struct ghost-struct
1.52 jwilke 862:
1.103 jwilke 863: Variable ghost-list
864: 0 ghost-list !
1.52 jwilke 865:
866: Variable executed-ghost \ last executed ghost, needed in tcreate and gdoes>
1.103 jwilke 867: \ Variable last-ghost \ last ghost that is created
1.52 jwilke 868: Variable last-header-ghost \ last ghost definitions with header
869:
1.103 jwilke 870: \ space for ghosts resolve structure
871: \ we create ghosts in a sepearte space
872: \ and not to the current host dp, because this
873: \ gives trouble with instant while compiling and creating
874: \ a ghost for a forward reference
875: \ BTW: we cannot allocate another memory region
876: \ because allot will check the overflow!!
877: Variable cross-space-dp
878: Create cross-space 250000 allot here 100 allot align
879: Constant cross-space-end
880: cross-space cross-space-dp !
881: Variable cross-space-dp-orig
882:
883: : cross-space-used cross-space-dp @ cross-space - ;
884:
885: : >space ( -- )
886: dp @ cross-space-dp-orig !
887: cross-space-dp @ dp ! ;
888:
889: : space> ( -- )
890: dp @ dup cross-space-dp !
891: cross-space-end u> ABORT" CROSS: cross-space overflow"
892: cross-space-dp-orig @ dp ! ;
893:
1.106 jwilke 894: \ this is just for debugging, to see this in the backtrace
1.103 jwilke 895: : execute-exec execute ;
896: : execute-exec2 execute ;
897: : execute-exec-compile execute ;
898:
899: : NoExec
900: executed-ghost @ >exec2 @
901: ?dup
902: IF execute-exec2
903: ELSE true ABORT" CROSS: Don't execute ghost, or immediate target word"
904: THEN ;
905:
1.105 jwilke 906: Defer is-forward
1.118 pazsan 907: Defer do-refered
908:
909: : prim-forward ( ghost -- )
1.120 ! jwilke 910: \ ." PF" .sourcepos
1.119 pazsan 911: colonmark, 0 do-refered ; \ compile space for call
912: : doer-forward ( ghost -- )
1.120 ! jwilke 913: \ ." DF" .sourcepos
1.119 pazsan 914: colonmark, 2 do-refered ; \ compile space for doer
1.118 pazsan 915: ' prim-forward IS is-forward
1.105 jwilke 916:
1.103 jwilke 917: : (ghostheader) ( -- )
1.118 pazsan 918: ghost-list linked <fwd> , 0 , ['] NoExec , what's is-forward ,
919: 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , ;
1.103 jwilke 920:
921: : ghostheader ( -- ) (ghostheader) 0 , ;
922:
923: ' Ghosts >wordlist Constant ghosts-wordlist
924:
925: \ the current wordlist for ghost definitions in the host
926: ghosts-wordlist Value current-ghosts
927:
1.52 jwilke 928: : Make-Ghost ( "name" -- ghost )
1.103 jwilke 929: >space
930: \ save current and create in ghost vocabulary
931: get-current >r current-ghosts set-current
932: >in @ Create >in !
933: \ some forth systems like iForth need the immediate directly
934: \ after the word is created
935: \ restore current
936: r> set-current
937: here (ghostheader)
938: bl word count string, align
939: space>
940: \ set ghost-xt field by doing a search
941: dup >ghost-name count
942: current-ghosts search-wordlist
943: 0= ABORT" CROSS: Just created, must be there!"
944: over >ghost-xt !
945: DOES>
946: dup executed-ghost !
947: >exec @ execute-exec ;
1.52 jwilke 948:
949: \ ghost words 14oct92py
950: \ changed: 10may93py/jaw
951:
1.103 jwilke 952: Defer search-ghosts
953:
954: : (search-ghosts) ( adr len -- cfa true | 0 )
955: current-ghosts search-wordlist ;
956:
957: ' (search-ghosts) IS search-ghosts
958:
959: : gsearch ( addr len -- ghost true | 0 )
960: search-ghosts
961: dup IF swap >body swap THEN ;
962:
963: : gfind ( string -- ghost true / string false )
1.52 jwilke 964: \ searches for string in word-list ghosts
1.103 jwilke 965: \ dup count type space
966: dup >r count gsearch
967: dup IF rdrop ELSE r> swap THEN ;
1.52 jwilke 968:
969: : gdiscover ( xt -- ghost true | xt false )
1.103 jwilke 970: >r ghost-list
1.52 jwilke 971: BEGIN @ dup
1.103 jwilke 972: WHILE dup >magic @ <fwd> <>
973: IF dup >link @ r@ =
974: IF rdrop true EXIT THEN
975: THEN
1.52 jwilke 976: REPEAT
1.103 jwilke 977: drop r> false ;
1.52 jwilke 978:
1.105 jwilke 979: : xt>ghost ( xt -- ghost )
980: gdiscover 0= ABORT" CROSS: ghost not found for this xt" ;
981:
1.103 jwilke 982: : Ghost ( "name" -- ghost )
983: >in @ bl word gfind IF nip EXIT THEN
1.52 jwilke 984: drop >in ! Make-Ghost ;
985:
986: : >ghostname ( ghost -- adr len )
1.103 jwilke 987: >ghost-name count ;
988:
989: : forward? ( ghost -- flag )
990: >magic @ <fwd> = ;
991:
992: : undefined? ( ghost -- flag )
993: >magic @ dup <fwd> = swap <skip> = or ;
994:
995: : immediate? ( ghost -- flag )
996: >magic @ <imm> = ;
997:
998: Variable TWarnings
999: TWarnings on
1000: Variable Exists-Warnings
1001: Exists-Warnings on
1002:
1003: : exists-warning ( ghost -- ghost )
1004: TWarnings @ Exists-Warnings @ and
1005: IF dup >ghostname warnhead type ." exists " THEN ;
1006:
1007: \ : HeaderGhost Ghost ;
1008:
1009: Variable reuse-ghosts reuse-ghosts off
1010:
1011: : HeaderGhost ( "name" -- ghost )
1012: >in @
1013: bl word count
1014: \ 2dup type space
1015: current-ghosts search-wordlist
1016: IF >body dup undefined? reuse-ghosts @ or
1017: IF nip EXIT
1018: ELSE exists-warning
1019: THEN
1020: drop >in !
1021: ELSE >in !
1022: THEN
1023: \ we keep the execution semantics of the prviously
1024: \ defined words, this is a workaround
1025: \ for the redefined \ until vocs work
1026: Make-Ghost ;
1027:
1.78 jwilke 1028: : .ghost ( ghost -- ) >ghostname type ;
1029:
1.77 jwilke 1030: \ ' >ghostname ALIAS @name
1.52 jwilke 1031:
1.115 jwilke 1032: : findghost ( "ghostname" -- ghost )
1033: bl word gfind 0= ABORT" CROSS: Ghost don't exists" ;
1034:
1.103 jwilke 1035: : [G'] ( -- ghost : name )
1036: \G ticks a ghost and returns its address
1.115 jwilke 1037: findghost
1038: state @ IF postpone literal THEN ; immediate
1.103 jwilke 1039:
1.105 jwilke 1040: : g>xt ( ghost -- xt )
1041: \G Returns the xt (cfa) of a ghost. Issues a warning if undefined.
1.103 jwilke 1042: dup undefined? ABORT" CROSS: forward " >link @ ;
1043:
1.105 jwilke 1044: : g>body ( ghost -- body )
1045: \G Returns the body-address (pfa) of a ghost.
1046: \G Issues a warning if undefined (a forward-reference).
1047: g>xt X >body ;
1048:
1.103 jwilke 1049: 1 Constant <label>
1.52 jwilke 1050:
1.103 jwilke 1051: Struct
1052: \ bitmask of address type (not used for now)
1053: cell% field addr-type
1054: \ if this address is an xt, this field points to the ghost
1055: cell% field addr-xt-ghost
1056: \ a bit mask that tells as what part of the cell
1057: \ is refenced from an address pointer, used for assembler generation
1058: cell% field addr-refs
1059: End-Struct addr-struct
1060:
1061: : %allocerase ( align size -- addr )
1062: dup >r %alloc dup r> erase ;
1063:
1064: \ returns the addr struct, define it if 0 reference
1065: : define-addr-struct ( addr -- struct-addr )
1066: dup @ ?dup IF nip EXIT THEN
1067: addr-struct %allocerase tuck swap ! ;
1.75 jwilke 1068:
1.118 pazsan 1069: >cross
1070:
1.52 jwilke 1071: \ Predefined ghosts 12dec92py
1072:
1.114 jwilke 1073: Ghost - drop \ need a ghost otherwise "-" would be treated as a number
1074:
1.103 jwilke 1075: Ghost 0= drop
1076: Ghost branch Ghost ?branch 2drop
1077: Ghost unloop Ghost ;S 2drop
1.118 pazsan 1078: Ghost lit Ghost ! 2drop
1079: Ghost noop drop
1.103 jwilke 1080: Ghost over Ghost = Ghost drop 2drop drop
1081: Ghost 2drop drop
1082: Ghost 2dup drop
1.115 jwilke 1083: Ghost call drop
1084: Ghost @ drop
1085: Ghost useraddr drop
1086: Ghost execute drop
1087: Ghost + drop
1088: Ghost decimal drop
1089: Ghost hex drop
1.118 pazsan 1090: Ghost lit@ drop
1091: Ghost lit-perform drop
1092: Ghost lit+ drop
1093: Ghost does-exec drop
1.52 jwilke 1094:
1.119 pazsan 1095: ' doer-forward IS is-forward
1096:
1097: Ghost :docol Ghost :doesjump Ghost :dodoes 2drop drop
1098: Ghost :dovar drop
1099:
1.120 ! jwilke 1100:
1.119 pazsan 1101: ' prim-forward IS is-forward
1102:
1.52 jwilke 1103: \ \ Parameter for target systems 06oct92py
1104:
1.103 jwilke 1105:
1.52 jwilke 1106: \ we define it ans like...
1107: wordlist Constant target-environment
1108:
1.103 jwilke 1109: \ save information of current dictionary to restore with environ>
1110: Variable env-current
1.52 jwilke 1111:
1112: : >ENVIRON get-current env-current ! target-environment set-current ;
1113: : ENVIRON> env-current @ set-current ;
1.43 pazsan 1114:
1.48 anton 1115: >TARGET
1.43 pazsan 1116:
1.103 jwilke 1117: : environment? ( addr len -- [ x ] true | false )
1118: \G returns the content of environment variable and true or
1119: \G false if not present
1120: target-environment search-wordlist
1121: IF EXECUTE true ELSE false THEN ;
1122:
1123: : $has? ( addr len -- x | false )
1124: \G returns the content of environment variable
1125: \G or false if not present
1126: T environment? H dup IF drop THEN ;
1127:
1128: : e? ( "name" -- x )
1129: \G returns the content of environment variable.
1130: \G The variable is expected to exist. If not, issue an error.
1131: bl word count T environment? H
1132: 0= ABORT" environment variable not defined!" ;
1133:
1134: : has? ( "name" --- x | false )
1135: \G returns the content of environment variable
1136: \G or false if not present
1137: bl word count T $has? H ;
1.52 jwilke 1138:
1.48 anton 1139:
1.54 pazsan 1140: >ENVIRON get-order get-current swap 1+ set-order
1141: true SetValue compiler
1.83 pazsan 1142: true SetValue cross
1.54 pazsan 1143: true SetValue standard-threading
1144: >TARGET previous
1.52 jwilke 1145:
1.77 jwilke 1146: 0
1.103 jwilke 1147: [IFDEF] mach-file drop mach-file count 1 [THEN]
1148: [IFDEF] machine-file drop machine-file 1 [THEN]
1149: [IF] included hex
1.77 jwilke 1150: [ELSE] cr ." No machine description!" ABORT
1151: [THEN]
1.43 pazsan 1152:
1.53 jwilke 1153: >ENVIRON
1154:
1.54 pazsan 1155: T has? ec H
1156: [IF]
1157: false DefaultValue relocate
1158: false DefaultValue file
1159: false DefaultValue OS
1160: false DefaultValue prims
1161: false DefaultValue floating
1162: false DefaultValue glocals
1163: false DefaultValue dcomps
1164: false DefaultValue hash
1165: false DefaultValue xconds
1166: false DefaultValue header
1.105 jwilke 1167: false DefaultValue backtrace
1168: false DefaultValue new-input
1169: false DefaultValue peephole
1.54 pazsan 1170: [THEN]
1171:
1172: true DefaultValue interpreter
1173: true DefaultValue ITC
1174: false DefaultValue rom
1.73 jwilke 1175: true DefaultValue standardthreading
1.53 jwilke 1176:
1.52 jwilke 1177: >TARGET
1.53 jwilke 1178: s" relocate" T environment? H
1.103 jwilke 1179: \ JAW why set NIL to this?!
1180: [IF] drop \ SetValue NIL
1.113 jwilke 1181: [ELSE] >ENVIRON X NIL SetValue relocate
1.53 jwilke 1182: [THEN]
1.113 jwilke 1183: >TARGET
1184:
1185: 0 Constant NIL
1.43 pazsan 1186:
1187: >CROSS
1188:
1.52 jwilke 1189: \ \ Create additional parameters 19jan95py
1.19 pazsan 1190:
1.71 jwilke 1191: \ currently cross only works for host machines with address-unit-bits
1192: \ eual to 8 because of s! and sc!
1193: \ but I start to query the environment just to modularize a little bit
1194:
1195: : check-address-unit-bits ( -- )
1196: \ s" ADDRESS-UNIT-BITS" environment?
1197: \ IF 8 <> ELSE true THEN
1198: \ ABORT" ADDRESS-UNIT-BITS unknown or not equal to 8!"
1199:
1200: \ shit, this doesn't work because environment? is only defined for
1201: \ gforth.fi and not kernl???.fi
1202: ;
1203:
1204: check-address-unit-bits
1205: 8 Constant bits/byte \ we define: byte is address-unit
1206:
1207: 1 bits/byte lshift Constant maxbyte
1.77 jwilke 1208: \ this sets byte size for the target machine, (probably right guess) jaw
1.67 jwilke 1209:
1.19 pazsan 1210: T
1.71 jwilke 1211: NIL Constant TNIL
1212: cell Constant tcell
1213: cell<< Constant tcell<<
1214: cell>bit Constant tcell>bit
1215: bits/char Constant tbits/char
1216: bits/char H bits/byte T /
1217: Constant tchar
1218: float Constant tfloat
1219: 1 bits/char lshift Constant tmaxchar
1220: [IFUNDEF] bits/byte
1221: 8 Constant tbits/byte
1222: [ELSE]
1223: bits/byte Constant tbits/byte
1224: [THEN]
1.19 pazsan 1225: H
1.81 pazsan 1226: tbits/char bits/byte / Constant tbyte
1.71 jwilke 1227:
1.19 pazsan 1228:
1.48 anton 1229: \ Variables 06oct92py
1230:
1231: Variable image
1232: Variable tlast TNIL tlast ! \ Last name field
1233: Variable tlastcfa \ Last code field
1234: Variable bit$
1.52 jwilke 1235:
1236: \ statistics 10jun97jaw
1237:
1238: Variable headers-named 0 headers-named !
1239: Variable user-vars 0 user-vars !
1240:
1.67 jwilke 1241: : target>bitmask-size ( u1 -- u2 )
1242: 1- tcell>bit rshift 1+ ;
1243:
1.105 jwilke 1244: : allocatetarget ( size -- adr )
1.67 jwilke 1245: dup allocate ABORT" CROSS: No memory for target"
1246: swap over swap erase ;
1.52 jwilke 1247:
1.54 pazsan 1248: \ \ memregion.fs
1.52 jwilke 1249:
1250:
1251: Variable last-defined-region \ pointer to last defined region
1252: Variable region-link \ linked list with all regions
1253: Variable mirrored-link \ linked list for mirrored regions
1254: 0 dup mirrored-link ! region-link !
1255:
1256:
1.103 jwilke 1257: : >rname 7 cells + ;
1258: : >rbm 4 cells + ;
1259: : >rmem 5 cells + ;
1260: : >rtype 6 cells + ;
1.67 jwilke 1261: : >rlink 3 cells + ;
1.52 jwilke 1262: : >rdp 2 cells + ;
1263: : >rlen cell+ ;
1264: : >rstart ;
1265:
1.113 jwilke 1266: : (region) ( addr len region -- )
1267: \G change startaddress and length of an existing region
1268: >r r@ last-defined-region !
1269: r@ >rlen ! dup r@ >rstart ! r> >rdp ! ;
1.52 jwilke 1270:
1.103 jwilke 1271: : region ( addr len -- )
1272: \G create a new region
1.52 jwilke 1273: \ check whether predefined region exists
1274: save-input bl word find >r >r restore-input throw r> r> 0=
1275: IF \ make region
1276: drop
1277: save-input create restore-input throw
1278: here last-defined-region !
1279: over ( startaddr ) , ( length ) , ( dp ) ,
1.103 jwilke 1280: region-link linked 0 , 0 , 0 , bl word count string,
1.52 jwilke 1281: ELSE \ store new parameters in region
1282: bl word drop
1.113 jwilke 1283: >body (region)
1.52 jwilke 1284: THEN ;
1285:
1.103 jwilke 1286: : borders ( region -- startaddr endaddr )
1287: \G returns lower and upper region border
1.67 jwilke 1288: dup >rstart @ swap >rlen @ over + ;
1.52 jwilke 1289:
1.103 jwilke 1290: : extent ( region -- startaddr len )
1291: \G returns the really used area
1.67 jwilke 1292: dup >rstart @ swap >rdp @ over - ;
1.52 jwilke 1293:
1.103 jwilke 1294: : area ( region -- startaddr totallen )
1295: \G returns the total area
1.79 jwilke 1296: dup >rstart @ swap >rlen @ ;
1.52 jwilke 1297:
1.103 jwilke 1298: : mirrored
1299: \G mark a region as mirrored
1.52 jwilke 1300: mirrored-link
1.68 jwilke 1301: align linked last-defined-region @ , ;
1.52 jwilke 1302:
1.67 jwilke 1303: : .addr ( u -- )
1304: \G prints a 16 or 32 Bit nice hex value
1.52 jwilke 1305: base @ >r hex
1306: tcell 2 u>
1.77 jwilke 1307: IF s>d <# # # # # [char] . hold # # # # #> type
1.52 jwilke 1308: ELSE s>d <# # # # # # #> type
1.103 jwilke 1309: THEN r> base ! space ;
1.52 jwilke 1310:
1311: : .regions \G display region statistic
1312:
1313: \ we want to list the regions in the right order
1314: \ so first collect all regions on stack
1315: 0 region-link @
1316: BEGIN dup WHILE dup @ REPEAT drop
1317: BEGIN dup
1.67 jwilke 1318: WHILE cr
1319: 0 >rlink - >r
1320: r@ >rname count tuck type
1.52 jwilke 1321: 12 swap - 0 max spaces space
1.67 jwilke 1322: ." Start: " r@ >rstart @ dup .addr space
1323: ." End: " r@ >rlen @ + .addr space
1324: ." DP: " r> >rdp @ .addr
1.52 jwilke 1325: REPEAT drop
1.53 jwilke 1326: s" rom" T $has? H 0= ?EXIT
1.52 jwilke 1327: cr ." Mirrored:"
1328: mirrored-link @
1329: BEGIN dup
1.67 jwilke 1330: WHILE space dup cell+ @ >rname count type @
1.52 jwilke 1331: REPEAT drop cr
1332: ;
1333:
1334: \ -------- predefined regions
1335:
1336: 0 0 region address-space
1337: \ total memory addressed and used by the target system
1338:
1339: 0 0 region dictionary
1340: \ rom area for the compiler
1341:
1.53 jwilke 1342: T has? rom H
1.52 jwilke 1343: [IF]
1344: 0 0 region ram-dictionary mirrored
1345: \ ram area for the compiler
1346: [ELSE]
1347: ' dictionary ALIAS ram-dictionary
1348: [THEN]
1349:
1350: 0 0 region return-stack
1351:
1352: 0 0 region data-stack
1353:
1354: 0 0 region tib-region
1355:
1356: ' dictionary ALIAS rom-dictionary
1357:
1358:
1.105 jwilke 1359: : setup-target ( -- ) \G initialize target's memory space
1.53 jwilke 1360: s" rom" T $has? H
1.52 jwilke 1361: IF \ check for ram and rom...
1.72 jwilke 1362: \ address-space area nip 0<>
1.67 jwilke 1363: ram-dictionary area nip 0<>
1364: rom-dictionary area nip 0<>
1.72 jwilke 1365: and 0=
1.52 jwilke 1366: ABORT" CROSS: define address-space, rom- , ram-dictionary, with rom-support!"
1367: THEN
1368: address-space area nip
1369: IF
1370: address-space area
1371: ELSE
1372: dictionary area
1373: THEN
1.67 jwilke 1374: nip 0=
1.52 jwilke 1375: ABORT" CROSS: define at least address-space or dictionary!!"
1.67 jwilke 1376:
1377: \ allocate target for each region
1378: region-link
1379: BEGIN @ dup
1380: WHILE dup
1381: 0 >rlink - >r
1382: r@ >rlen @
1383: IF \ allocate mem
1.103 jwilke 1384: r@ >rlen @ allocatetarget dup image !
1.67 jwilke 1385: r@ >rmem !
1386:
1.103 jwilke 1387: r@ >rlen @
1.67 jwilke 1388: target>bitmask-size allocatetarget
1.72 jwilke 1389: dup bit$ !
1.103 jwilke 1390: r@ >rbm !
1.67 jwilke 1391:
1.103 jwilke 1392: r@ >rlen @
1393: tcell / 1+ cells allocatetarget r@ >rtype !
1394:
1395: rdrop
1.67 jwilke 1396: ELSE r> drop THEN
1.72 jwilke 1397: REPEAT drop ;
1398:
1.105 jwilke 1399: \ MakeKernel 22feb99jaw
1.72 jwilke 1400:
1.113 jwilke 1401: : makekernel ( targetsize -- )
1402: \G convenience word to setup the memory of the target
1403: \G used by main.fs of the c-engine based systems
1404: 100 swap dictionary (region)
1405: setup-target ;
1.72 jwilke 1406:
1407: >MINIMAL
1408: : makekernel makekernel ;
1409: >CROSS
1.52 jwilke 1410:
1.54 pazsan 1411: \ \ switched tdp for rom support 03jun97jaw
1.52 jwilke 1412:
1413: \ second value is here to store some maximal value for statistics
1414: \ tempdp is also embedded here but has nothing to do with rom support
1415: \ (needs switched dp)
1416:
1417: variable tempdp 0 , \ temporary dp for resolving
1418: variable tempdp-save
1419:
1420: 0 [IF]
1421: variable romdp 0 , \ Dictionary-Pointer for ramarea
1422: variable ramdp 0 , \ Dictionary-Pointer for romarea
1423:
1424: \
1425: variable sramdp \ start of ram-area for forth
1426: variable sromdp \ start of rom-area for forth
1427:
1428: [THEN]
1429:
1430:
1431: 0 value tdp
1432: variable fixed \ flag: true: no automatic switching
1433: \ false: switching is done automatically
1434:
1435: \ Switch-Policy:
1436: \
1437: \ a header is always compiled into rom
1438: \ after a created word (create and variable) compilation goes to ram
1439: \
1440: \ Be careful: If you want to make the data behind create into rom
1441: \ you have to put >rom before create!
1442:
1443: variable constflag constflag off
1444:
1.67 jwilke 1445: : activate ( region -- )
1446: \G next code goes to this region
1447: >rdp to tdp ;
1448:
1.52 jwilke 1449: : (switchram)
1.53 jwilke 1450: fixed @ ?EXIT s" rom" T $has? H 0= ?EXIT
1.67 jwilke 1451: ram-dictionary activate ;
1.52 jwilke 1452:
1453: : switchram
1454: constflag @
1455: IF constflag off ELSE (switchram) THEN ;
1456:
1457: : switchrom
1.67 jwilke 1458: fixed @ ?EXIT rom-dictionary activate ;
1.52 jwilke 1459:
1460: : >tempdp ( addr -- )
1461: tdp tempdp-save ! tempdp to tdp tdp ! ;
1462: : tempdp> ( -- )
1463: tempdp-save @ to tdp ;
1464:
1465: : >ram fixed off (switchram) fixed on ;
1466: : >rom fixed off switchrom fixed on ;
1467: : >auto fixed off switchrom ;
1468:
1469:
1470:
1471: \ : romstart dup sromdp ! romdp ! ;
1472: \ : ramstart dup sramdp ! ramdp ! ;
1473:
1.67 jwilke 1474: \ default compilation goes to rom
1.52 jwilke 1475: \ when romable support is off, only the rom switch is used (!!)
1476: >auto
1477:
1.48 anton 1478: : there tdp @ ;
1479:
1.52 jwilke 1480: >TARGET
1.48 anton 1481:
1.52 jwilke 1482: \ \ Target Memory Handling
1.1 anton 1483:
1484: \ Byte ordering and cell size 06oct92py
1485:
1.19 pazsan 1486: : cell+ tcell + ;
1487: : cells tcell<< lshift ;
1.71 jwilke 1488: : chars tchar * ;
1489: : char+ tchar + ;
1.19 pazsan 1490: : floats tfloat * ;
1.6 anton 1491:
1.1 anton 1492: >CROSS
1.19 pazsan 1493: : cell/ tcell<< rshift ;
1.1 anton 1494: >TARGET
1495: 20 CONSTANT bl
1.52 jwilke 1496: \ TNIL Constant NIL
1.1 anton 1497:
1498: >CROSS
1499:
1.20 pazsan 1500: bigendian
1501: [IF]
1.106 jwilke 1502: : DS! ( d addr -- ) tcell bounds swap 1-
1.20 pazsan 1503: DO maxbyte ud/mod rot I c! -1 +LOOP 2drop ;
1.106 jwilke 1504: : DS@ ( addr -- d ) >r 0 0 r> tcell bounds
1505: DO maxbyte * swap maxbyte um* rot + swap I c@ + swap LOOP ;
1.57 pazsan 1506: : Sc! ( n addr -- ) >r s>d r> tchar bounds swap 1-
1507: DO maxbyte ud/mod rot I c! -1 +LOOP 2drop ;
1508: : Sc@ ( addr -- n ) >r 0 0 r> tchar bounds
1509: DO maxbyte * swap maxbyte um* rot + swap I c@ + swap LOOP d>s ;
1.19 pazsan 1510: [ELSE]
1.106 jwilke 1511: : DS! ( d addr -- ) tcell bounds
1.20 pazsan 1512: DO maxbyte ud/mod rot I c! LOOP 2drop ;
1.106 jwilke 1513: : DS@ ( addr -- n ) >r 0 0 r> tcell bounds swap 1-
1514: DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP ;
1.57 pazsan 1515: : Sc! ( n addr -- ) >r s>d r> tchar bounds
1516: DO maxbyte ud/mod rot I c! LOOP 2drop ;
1517: : Sc@ ( addr -- n ) >r 0 0 r> tchar bounds swap 1-
1518: DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP d>s ;
1.1 anton 1519: [THEN]
1520:
1.106 jwilke 1521: : S! ( n addr -- ) >r s>d r> DS! ;
1522: : S@ ( addr -- n ) DS@ d>s ;
1523:
1.67 jwilke 1524: : taddr>region ( taddr -- region | 0 )
1525: \G finds for a target-address the correct region
1526: \G returns 0 if taddr is not in range of a target memory region
1527: region-link
1528: BEGIN @ dup
1529: WHILE dup >r
1530: 0 >rlink - >r
1531: r@ >rlen @
1532: IF dup r@ borders within
1533: IF r> r> drop nip EXIT THEN
1534: THEN
1535: r> drop
1536: r>
1537: REPEAT
1538: 2drop 0 ;
1539:
1.103 jwilke 1540: : taddr>region-abort ( taddr -- region | 0 )
1541: dup taddr>region dup 0=
1542: IF drop cr ." Wrong address: " .addr
1543: -1 ABORT" Address out of range!"
1544: THEN nip ;
1545:
1.67 jwilke 1546: : (>regionimage) ( taddr -- 'taddr )
1547: dup
1548: \ find region we want to address
1.103 jwilke 1549: taddr>region-abort
1.67 jwilke 1550: >r
1551: \ calculate offset in region
1552: r@ >rstart @ -
1553: \ add regions real address in our memory
1554: r> >rmem @ + ;
1555:
1.103 jwilke 1556: : (>regionbm) ( taddr -- 'taddr bitmaskbaseaddr )
1557: dup
1558: \ find region we want to address
1559: taddr>region-abort
1560: >r
1561: \ calculate offset in region
1562: r@ >rstart @ -
1563: \ add regions real address in our memory
1564: r> >rbm @ ;
1565:
1566: : (>regiontype) ( taddr -- 'taddr )
1567: dup
1568: \ find region we want to address
1569: taddr>region-abort
1570: >r
1571: \ calculate offset in region
1572: r@ >rstart @ - tcell / cells
1573: \ add regions real address in our memory
1574: r> >rtype @ + ;
1575:
1.1 anton 1576: \ Bit string manipulation 06oct92py
1577: \ 9may93jaw
1578: CREATE Bittable 80 c, 40 c, 20 c, 10 c, 8 c, 4 c, 2 c, 1 c,
1579: : bits ( n -- n ) chars Bittable + c@ ;
1580:
1581: : >bit ( addr n -- c-addr mask ) 8 /mod rot + swap bits ;
1582: : +bit ( addr n -- ) >bit over c@ or swap c! ;
1.4 pazsan 1583: : -bit ( addr n -- ) >bit invert over c@ and swap c! ;
1.67 jwilke 1584:
1.103 jwilke 1585: : @relbit ( taddr -- f ) (>regionbm) swap cell/ >bit swap c@ and ;
1586:
1.84 jwilke 1587: : (relon) ( taddr -- )
1588: [ [IFDEF] fd-relocation-table ]
1589: s" +" fd-relocation-table write-file throw
1590: dup s>d <# #s #> fd-relocation-table write-line throw
1591: [ [THEN] ]
1.103 jwilke 1592: (>regionbm) swap cell/ +bit ;
1.84 jwilke 1593:
1594: : (reloff) ( taddr -- )
1595: [ [IFDEF] fd-relocation-table ]
1596: s" -" fd-relocation-table write-file throw
1597: dup s>d <# #s #> fd-relocation-table write-line throw
1598: [ [THEN] ]
1.103 jwilke 1599: (>regionbm) swap cell/ -bit ;
1.67 jwilke 1600:
1601: : (>image) ( taddr -- absaddr ) image @ + ;
1602:
1603: DEFER >image
1604: DEFER relon
1605: DEFER reloff
1606: DEFER correcter
1607:
1608: T has? relocate H
1609: [IF]
1610: ' (relon) IS relon
1611: ' (reloff) IS reloff
1.103 jwilke 1612: ' (>regionimage) IS >image
1.67 jwilke 1613: [ELSE]
1614: ' drop IS relon
1615: ' drop IS reloff
1.68 jwilke 1616: ' (>regionimage) IS >image
1.67 jwilke 1617: [THEN]
1.1 anton 1618:
1619: \ Target memory access 06oct92py
1620:
1621: : align+ ( taddr -- rest )
1.48 anton 1622: tcell tuck 1- and - [ tcell 1- ] Literal and ;
1.22 anton 1623: : cfalign+ ( taddr -- rest )
1.39 pazsan 1624: \ see kernel.fs:cfaligned
1.43 pazsan 1625: /maxalign tuck 1- and - [ /maxalign 1- ] Literal and ;
1.1 anton 1626:
1627: >TARGET
1628: : aligned ( taddr -- ta-addr ) dup align+ + ;
1629: \ assumes cell alignment granularity (as GNU C)
1630:
1.22 anton 1631: : cfaligned ( taddr1 -- taddr2 )
1.39 pazsan 1632: \ see kernel.fs
1.22 anton 1633: dup cfalign+ + ;
1634:
1.52 jwilke 1635: : @ ( taddr -- w ) >image S@ ;
1636: : ! ( w taddr -- ) >image S! ;
1.57 pazsan 1637: : c@ ( taddr -- char ) >image Sc@ ;
1638: : c! ( char taddr -- ) >image Sc! ;
1.7 anton 1639: : 2@ ( taddr -- x1 x2 ) T dup cell+ @ swap @ H ;
1.82 pazsan 1640: : 2! ( x1 x2 taddr -- ) T tuck ! cell+ ! H ;
1.1 anton 1641:
1642: \ Target compilation primitives 06oct92py
1643: \ included A! 16may93jaw
1644:
1645: : here ( -- there ) there ;
1646: : allot ( n -- ) tdp +! ;
1.78 jwilke 1647: : , ( w -- ) T here H tcell T allot ! H ;
1648: : c, ( char -- ) T here H tchar T allot c! H ;
1649: : align ( -- ) T here H align+ 0 ?DO bl T c, H tchar +LOOP ;
1.22 anton 1650: : cfalign ( -- )
1.78 jwilke 1651: T here H cfalign+ 0 ?DO bl T c, H tchar +LOOP ;
1.1 anton 1652:
1.71 jwilke 1653: : >address dup 0>= IF tbyte / THEN ; \ ?? jaw
1.59 pazsan 1654: : A! swap >address swap dup relon T ! H ;
1655: : A, ( w -- ) >address T here H relon T , H ;
1.1 anton 1656:
1.118 pazsan 1657: \ high-level ghosts
1658:
1659: >CROSS
1660:
1661: : call-forward ( ghost -- )
1.120 ! jwilke 1662: \ ." CF" .sourcepos
1.118 pazsan 1663: there 0 colon, 0 do-refered ;
1664: ' call-forward IS is-forward
1665:
1666: Ghost (do) Ghost (?do) 2drop
1667: Ghost (for) drop
1668: Ghost (loop) Ghost (+loop) 2drop
1669: Ghost (next) drop
1670: Ghost (does>) Ghost (compile) 2drop
1671: Ghost (.") Ghost (S") Ghost (ABORT") 2drop drop
1672: Ghost (C") drop
1673: Ghost ' drop
1674:
1675: \ ' prim-forward IS is-forward
1676:
1677: \ user ghosts
1678:
1679: Ghost state drop
1.103 jwilke 1680:
1681: \ \ -------------------- Host/Target copy etc. 29aug01jaw
1682:
1683:
1684: >CROSS
1685:
1.107 jwilke 1686: : TD! >image DS! ;
1687: : TD@ >image DS@ ;
1688:
1.103 jwilke 1689: : th-count ( taddr -- host-addr len )
1690: \G returns host address of target string
1691: assert1( tbyte 1 = )
1692: dup X c@ swap X char+ >image swap ;
1693:
1694: : ht-move ( haddr taddr len -- )
1695: \G moves data from host-addr to destination in target-addr
1696: \G character by character
1697: swap -rot bounds ?DO I c@ over X c! X char+ LOOP drop ;
1698:
1699: 2Variable last-string
1700:
1701: : ht-string, ( addr count -- )
1702: dup there swap last-string 2!
1703: dup T c, H bounds ?DO I c@ T c, H LOOP ;
1704:
1705: >TARGET
1706:
1707: : count dup X c@ swap X char+ swap ;
1.110 jwilke 1708:
1709: : on -1 -1 rot TD! ;
1.103 jwilke 1710: : off T 0 swap ! H ;
1.1 anton 1711:
1.107 jwilke 1712: : tcmove ( source dest len -- )
1713: \G cmove in target memory
1714: tchar * bounds
1715: ?DO dup T c@ H I T c! H 1+
1716: tchar +LOOP drop ;
1717:
1718: : td, ( d -- )
1719: \G Store a host value as one cell into the target
1720: there tcell X allot TD! ;
1721:
1722: \ \ Load Assembler
1723:
1724: >TARGET
1725: H also Forth definitions
1726:
1727: \ FIXME: should we include the assembler really in the forth
1728: \ dictionary?!?!?!? This conflicts with the existing assembler
1729: \ of the host forth system!!
1730: [IFDEF] asm-include asm-include [THEN] hex
1731:
1732: previous
1733:
1734:
1.52 jwilke 1735: >CROSS
1736:
1.103 jwilke 1737: : (cc) T a, H ; ' (cc) plugin-of colon,
1.117 pazsan 1738: : (xt) T a, H ; ' (xt) plugin-of xt,
1.105 jwilke 1739: : (prim) T a, H ; ' (prim) plugin-of prim,
1.52 jwilke 1740:
1.118 pazsan 1741: : (cr) >tempdp colon, tempdp> ; ' (cr) plugin-of colon-resolve
1.103 jwilke 1742: : (ar) T ! H ; ' (ar) plugin-of addr-resolve
1.54 pazsan 1743: : (dr) ( ghost res-pnt target-addr addr )
1744: >tempdp drop over
1745: dup >magic @ <do:> =
1746: IF doer,
1747: ELSE dodoes,
1748: THEN
1.103 jwilke 1749: tempdp> ; ' (dr) plugin-of doer-resolve
1.54 pazsan 1750:
1751: : (cm) ( -- addr )
1752: T here align H
1.117 pazsan 1753: -1 xt, ; ' (cm) plugin-of colonmark,
1.1 anton 1754:
1.52 jwilke 1755: >TARGET
1.105 jwilke 1756: : compile, ( xt -- )
1.107 jwilke 1757: dup xt>ghost >comp @ EXECUTE ;
1.52 jwilke 1758: >CROSS
1.1 anton 1759:
1.102 jwilke 1760: \ resolve structure
1761:
1762: : >next ; \ link to next field
1763: : >tag cell+ ; \ indecates type of reference: 0: call, 1: address, 2: doer
1764: : >taddr cell+ cell+ ;
1765: : >ghost 3 cells + ;
1766: : >file 4 cells + ;
1767: : >line 5 cells + ;
1768:
1769: : (refered) ( ghost addr tag -- )
1770: \G creates a reference to ghost at address taddr
1.103 jwilke 1771: >space
1772: rot >link linked
1.102 jwilke 1773: ( taddr tag ) ,
1774: ( taddr ) ,
1775: last-header-ghost @ ,
1776: loadfile ,
1777: sourceline# ,
1.103 jwilke 1778: space>
1.118 pazsan 1779: ;
1780:
1781: ' (refered) IS do-refered
1.102 jwilke 1782:
1.52 jwilke 1783: : refered ( ghost tag -- )
1.53 jwilke 1784: \G creates a resolve structure
1.54 pazsan 1785: T here aligned H swap (refered)
1786: ;
1787:
1788: : killref ( addr ghost -- )
1789: \G kills a forward reference to ghost at position addr
1790: \G this is used to eleminate a :dovar refence after making a DOES>
1791: dup >magic @ <fwd> <> IF 2drop EXIT THEN
1792: swap >r >link
1793: BEGIN dup @ dup ( addr last this )
1794: WHILE dup >taddr @ r@ =
1795: IF @ over !
1796: ELSE nip THEN
1797: REPEAT rdrop 2drop
1.53 jwilke 1798: ;
1.48 anton 1799:
1.52 jwilke 1800: Defer resolve-warning
1.1 anton 1801:
1.52 jwilke 1802: : reswarn-test ( ghost res-struct -- ghost res-struct )
1.78 jwilke 1803: over cr ." Resolving " .ghost dup ." in " >ghost @ .ghost ;
1.1 anton 1804:
1.52 jwilke 1805: : reswarn-forward ( ghost res-struct -- ghost res-struct )
1.78 jwilke 1806: over warnhead .ghost dup ." is referenced in "
1807: >ghost @ .ghost ;
1.1 anton 1808:
1.52 jwilke 1809: \ ' reswarn-test IS resolve-warning
1810:
1.1 anton 1811: \ resolve 14oct92py
1812:
1.54 pazsan 1813: : resolve-loop ( ghost resolve-list tcfa -- )
1814: >r
1815: BEGIN dup WHILE
1816: \ dup >tag @ 2 = IF reswarn-forward THEN
1817: resolve-warning
1818: r@ over >taddr @
1819: 2 pick >tag @
1820: CASE 0 OF colon-resolve ENDOF
1821: 1 OF addr-resolve ENDOF
1822: 2 OF doer-resolve ENDOF
1823: ENDCASE
1824: @ \ next list element
1825: REPEAT 2drop rdrop
1826: ;
1.52 jwilke 1827:
1828: \ : resolve-loop ( ghost tcfa -- ghost tcfa )
1829: \ >r dup >link @
1830: \ BEGIN dup WHILE dup T @ H r@ rot T ! H REPEAT drop r> ;
1.1 anton 1831:
1832: \ exists 9may93jaw
1833:
1.103 jwilke 1834: : exists ( ghost tcfa -- )
1835: \G print warning and set new target link in ghost
1836: swap exists-warning
1837: >link ! ;
1.52 jwilke 1838:
1.105 jwilke 1839: : colon-resolved ( ghost -- )
1840: >link @ colon, ; \ compile-call
1841:
1842: : prim-resolved ( ghost -- )
1843: >link @ prim, ;
1844:
1.118 pazsan 1845: 0 Value resolved
1.1 anton 1846:
1847: : resolve ( ghost tcfa -- )
1.54 pazsan 1848: \G resolve referencies to ghost with tcfa
1.103 jwilke 1849: dup taddr>region 0<> IF
1850: 2dup (>regiontype) define-addr-struct addr-xt-ghost
1851:
1852: \ we define new address only if empty
1.105 jwilke 1853: \ this is for not to take over the alias ghost
1854: \ (different ghost, but identical xt)
1.103 jwilke 1855: \ but the very first that really defines it
1856: dup @ 0= IF ! ELSE 2drop THEN
1857: THEN
1858:
1859: \ is ghost resolved?, second resolve means another
1860: \ definition with the same name
1.75 jwilke 1861: over undefined? 0= IF exists EXIT THEN
1.54 pazsan 1862: \ get linked-list
1863: swap >r r@ >link @ swap \ ( list tcfa R: ghost )
1864: \ mark ghost as resolved
1865: dup r@ >link ! <res> r@ >magic !
1.118 pazsan 1866: r@ to resolved
1867: r@ >comp @ ['] prim-forward = IF
1868: ['] prim-resolved r@ >comp ! THEN
1869: r@ >comp @ what's is-forward = IF
1.105 jwilke 1870: ['] prim-resolved r@ >comp ! THEN
1.54 pazsan 1871: \ loop through forward referencies
1872: r> -rot
1873: comp-state @ >r Resolving comp-state !
1874: resolve-loop
1875: r> comp-state !
1876:
1877: ['] noop IS resolve-warning
1.52 jwilke 1878: ;
1.1 anton 1879:
1880: \ gexecute ghost, 01nov92py
1881:
1.103 jwilke 1882: : (gexecute) ( ghost -- )
1.105 jwilke 1883: dup >comp @ EXECUTE ;
1.103 jwilke 1884:
1885: : gexecute ( ghost -- )
1.120 ! jwilke 1886: dup >magic @ <imm> = ABORT" CROSS: gexecute on immediate word"
1.103 jwilke 1887: (gexecute) ;
1.52 jwilke 1888:
1889: : addr, ( ghost -- )
1.105 jwilke 1890: dup forward? IF 1 refered 0 T a, H ELSE >link @ T a, H THEN ;
1.52 jwilke 1891:
1.1 anton 1892: \ .unresolved 11may93jaw
1893:
1894: variable ResolveFlag
1895:
1896: \ ?touched 11may93jaw
1897:
1.52 jwilke 1898: : ?touched ( ghost -- flag ) dup forward? swap >link @
1.1 anton 1899: 0 <> and ;
1900:
1.53 jwilke 1901: : .forwarddefs ( ghost -- )
1.103 jwilke 1902: ." appeared in:"
1903: >link
1904: BEGIN @ dup
1905: WHILE cr 5 spaces
1906: dup >ghost @ .ghost
1907: ." file " dup >file @ ?dup IF count type ELSE ." CON" THEN
1908: ." line " dup >line @ .dec
1909: REPEAT
1910: drop ;
1911:
1912: : ?resolved ( ghost -- )
1913: dup ?touched
1914: IF ResolveFlag on
1915: dup cr .ghost .forwarddefs
1.53 jwilke 1916: ELSE drop
1917: THEN ;
1.1 anton 1918:
1919: : .unresolved ( -- )
1920: ResolveFlag off cr ." Unresolved: "
1.103 jwilke 1921: ghost-list
1.1 anton 1922: BEGIN @ dup
1923: WHILE dup ?resolved
1.10 anton 1924: REPEAT drop ResolveFlag @
1925: IF
1.48 anton 1926: -1 abort" Unresolved words!"
1.10 anton 1927: ELSE
1928: ." Nothing!"
1929: THEN
1930: cr ;
1.1 anton 1931:
1.52 jwilke 1932: : .stats
1933: base @ >r decimal
1934: cr ." named Headers: " headers-named @ .
1935: r> base ! ;
1936:
1.79 jwilke 1937: >MINIMAL
1938:
1939: : .unresolved .unresolved ;
1940:
1.1 anton 1941: >CROSS
1942: \ Header states 12dec92py
1943:
1.102 jwilke 1944: \ : flag! ( 8b -- ) tlast @ dup >r T c@ xor r> c! H ;
1.90 pazsan 1945: bigendian [IF] 0 [ELSE] tcell 1- [THEN] Constant flag+
1946: : flag! ( w -- ) tlast @ flag+ + dup >r T c@ xor r> c! H ;
1.1 anton 1947:
1948: VARIABLE ^imm
1949:
1.105 jwilke 1950: \ !! should be target wordsize specific
1951: $80 constant alias-mask
1952: $40 constant immediate-mask
1953: $20 constant restrict-mask
1954:
1.1 anton 1955: >TARGET
1.105 jwilke 1956: : immediate immediate-mask flag!
1.18 pazsan 1957: ^imm @ @ dup <imm> = IF drop EXIT THEN
1.1 anton 1958: <res> <> ABORT" CROSS: Cannot immediate a unresolved word"
1959: <imm> ^imm @ ! ;
1.105 jwilke 1960: : restrict restrict-mask flag! ;
1.52 jwilke 1961:
1.54 pazsan 1962: : isdoer
1963: \G define a forth word as doer, this makes obviously only sence on
1964: \G forth processors such as the PSC1000
1965: <do:> last-header-ghost @ >magic ! ;
1.1 anton 1966: >CROSS
1967:
1968: \ Target Header Creation 01nov92py
1969:
1.103 jwilke 1970: : ht-lstring, ( addr count -- )
1.102 jwilke 1971: dup T , H bounds ?DO I c@ T c, H LOOP ;
1972:
1.103 jwilke 1973: >TARGET
1974: : name, ( "name" -- ) bl word count ht-lstring, X cfalign ;
1.1 anton 1975: : view, ( -- ) ( dummy ) ;
1.52 jwilke 1976: >CROSS
1.1 anton 1977:
1.25 pazsan 1978: \ Target Document Creation (goes to crossdoc.fd) 05jul95py
1979:
1.55 pazsan 1980: s" ./doc/crossdoc.fd" r/w create-file throw value doc-file-id
1.25 pazsan 1981: \ contains the file-id of the documentation file
1982:
1.40 pazsan 1983: : T-\G ( -- )
1.25 pazsan 1984: source >in @ /string doc-file-id write-line throw
1.40 pazsan 1985: postpone \ ;
1.25 pazsan 1986:
1.39 pazsan 1987: Variable to-doc to-doc on
1.25 pazsan 1988:
1989: : cross-doc-entry ( -- )
1990: to-doc @ tlast @ 0<> and \ not an anonymous (i.e. noname) header
1991: IF
1992: s" " doc-file-id write-line throw
1993: s" make-doc " doc-file-id write-file throw
1.102 jwilke 1994:
1.105 jwilke 1995: Last-Header-Ghost @ >ghostname doc-file-id write-file throw
1.25 pazsan 1996: >in @
1997: [char] ( parse 2drop
1998: [char] ) parse doc-file-id write-file throw
1999: s" )" doc-file-id write-file throw
2000: [char] \ parse 2drop
1.40 pazsan 2001: T-\G
1.25 pazsan 2002: >in !
1.39 pazsan 2003: THEN ;
1.25 pazsan 2004:
1.28 pazsan 2005: \ Target TAGS creation
2006:
1.39 pazsan 2007: s" kernel.TAGS" r/w create-file throw value tag-file-id
1.116 pazsan 2008: s" kernel.tags" r/w create-file throw value vi-tag-file-id
1.28 pazsan 2009: \ contains the file-id of the tags file
2010:
2011: Create tag-beg 2 c, 7F c, bl c,
2012: Create tag-end 2 c, bl c, 01 c,
2013: Create tag-bof 1 c, 0C c,
1.116 pazsan 2014: Create tag-tab 1 c, 09 c,
1.28 pazsan 2015:
2016: 2variable last-loadfilename 0 0 last-loadfilename 2!
2017:
2018: : put-load-file-name ( -- )
1.77 jwilke 2019: sourcefilename last-loadfilename 2@ d<>
1.28 pazsan 2020: IF
2021: tag-bof count tag-file-id write-line throw
1.31 anton 2022: sourcefilename 2dup
1.28 pazsan 2023: tag-file-id write-file throw
2024: last-loadfilename 2!
2025: s" ,0" tag-file-id write-line throw
2026: THEN ;
2027:
1.116 pazsan 2028: : cross-gnu-tag-entry ( -- )
1.28 pazsan 2029: tlast @ 0<> \ not an anonymous (i.e. noname) header
2030: IF
2031: put-load-file-name
2032: source >in @ min tag-file-id write-file throw
2033: tag-beg count tag-file-id write-file throw
1.116 pazsan 2034: Last-Header-Ghost @ >ghostname tag-file-id write-file throw
1.28 pazsan 2035: tag-end count tag-file-id write-file throw
1.31 anton 2036: base @ decimal sourceline# 0 <# #s #> tag-file-id write-file throw
1.28 pazsan 2037: \ >in @ 0 <# #s [char] , hold #> tag-file-id write-line throw
2038: s" ,0" tag-file-id write-line throw
2039: base !
2040: THEN ;
1.116 pazsan 2041:
2042: : cross-vi-tag-entry ( -- )
2043: tlast @ 0<> \ not an anonymous (i.e. noname) header
2044: IF
2045: sourcefilename vi-tag-file-id write-file throw
2046: tag-tab count vi-tag-file-id write-file throw
2047: Last-Header-Ghost @ >ghostname vi-tag-file-id write-file throw
2048: tag-tab count vi-tag-file-id write-file throw
2049: s" /^" vi-tag-file-id write-file throw
2050: source vi-tag-file-id write-file throw
2051: s" $/" vi-tag-file-id write-line throw
2052: THEN ;
2053:
2054: : cross-tag-entry ( -- )
2055: cross-gnu-tag-entry
2056: cross-vi-tag-entry ;
1.28 pazsan 2057:
1.43 pazsan 2058: \ Check for words
2059:
2060: Defer skip? ' false IS skip?
2061:
1.103 jwilke 2062: : skipdef ( "name" -- )
1.79 jwilke 2063: \G skip definition of an undefined word in undef-words and
2064: \G all-words mode
1.103 jwilke 2065: Ghost dup forward?
1.75 jwilke 2066: IF >magic <skip> swap !
2067: ELSE drop THEN ;
2068:
1.103 jwilke 2069: : tdefined? ( "name" -- flag )
2070: Ghost undefined? 0= ;
1.75 jwilke 2071:
1.103 jwilke 2072: : defined2? ( "name" -- flag )
1.75 jwilke 2073: \G return true for anything else than forward, even for <skip>
2074: \G that's what we want
1.103 jwilke 2075: Ghost forward? 0= ;
1.43 pazsan 2076:
1.103 jwilke 2077: : forced? ( "name" -- flag )
1.79 jwilke 2078: \G return ture if it is a foreced skip with defskip
1.103 jwilke 2079: Ghost >magic @ <skip> = ;
1.79 jwilke 2080:
1.43 pazsan 2081: : needed? ( -- flag ) \ name
1.48 anton 2082: \G returns a false flag when
2083: \G a word is not defined
2084: \G a forward reference exists
2085: \G so the definition is not skipped!
2086: bl word gfind
1.75 jwilke 2087: IF dup undefined?
1.48 anton 2088: nip
2089: 0=
2090: ELSE drop true THEN ;
1.43 pazsan 2091:
1.44 pazsan 2092: : doer? ( -- flag ) \ name
1.103 jwilke 2093: Ghost >magic @ <do:> = ;
1.44 pazsan 2094:
1.43 pazsan 2095: : skip-defs ( -- )
2096: BEGIN refill WHILE source -trailing nip 0= UNTIL THEN ;
2097:
1.28 pazsan 2098: \ Target header creation
2099:
1.54 pazsan 2100: Variable NoHeaderFlag
2101: NoHeaderFlag off
1.1 anton 2102:
1.54 pazsan 2103: : 0.r ( n1 n2 -- )
2104: base @ >r hex
2105: 0 swap <# 0 ?DO # LOOP #> type
2106: r> base ! ;
1.84 jwilke 2107:
2108: : .sym ( adr len -- )
2109: \G escapes / and \ to produce sed output
1.52 jwilke 2110: bounds
2111: DO I c@ dup
1.77 jwilke 2112: CASE [char] / OF drop ." \/" ENDOF
2113: [char] \ OF drop ." \\" ENDOF
1.52 jwilke 2114: dup OF emit ENDOF
2115: ENDCASE
1.54 pazsan 2116: LOOP ;
1.52 jwilke 2117:
1.103 jwilke 2118: Defer setup-execution-semantics
2119: 0 Value lastghost
2120:
2121: : (THeader ( "name" -- ghost )
1.54 pazsan 2122: \ >in @ bl word count type 2 spaces >in !
2123: \ wordheaders will always be compiled to rom
2124: switchrom
2125: \ build header in target
2126: NoHeaderFlag @
2127: IF NoHeaderFlag off
2128: ELSE
2129: T align H view,
1.78 jwilke 2130: tlast @ dup 0> IF tcell - THEN T A, H there tlast !
1.54 pazsan 2131: 1 headers-named +! \ Statistic
2132: >in @ T name, H >in !
2133: THEN
2134: T cfalign here H tlastcfa !
1.84 jwilke 2135: \ Old Symbol table sed-script
1.54 pazsan 2136: \ >in @ cr ." sym:s/CFA=" there 4 0.r ." /" bl word count .sym ." /g" cr >in !
1.103 jwilke 2137: HeaderGhost
1.84 jwilke 2138: \ output symbol table to extra file
2139: [ [IFDEF] fd-symbol-table ]
2140: base @ hex there s>d <# 8 0 DO # LOOP #> fd-symbol-table write-file throw base !
2141: s" :" fd-symbol-table write-file throw
2142: dup >ghostname fd-symbol-table write-line throw
2143: [ [THEN] ]
1.103 jwilke 2144: dup Last-Header-Ghost ! dup to lastghost
1.54 pazsan 2145: dup >magic ^imm ! \ a pointer for immediate
1.105 jwilke 2146: alias-mask flag!
1.103 jwilke 2147: cross-doc-entry cross-tag-entry
2148: setup-execution-semantics
2149: ;
1.1 anton 2150:
1.52 jwilke 2151: \ this is the resolver information from ":"
2152: \ resolving is done by ";"
1.103 jwilke 2153: Variable ;Resolve 1 cells allot
2154:
2155: : hereresolve ( ghost -- )
2156: there resolve 0 ;Resolve ! ;
1.1 anton 2157:
1.11 pazsan 2158: : Theader ( "name" -- ghost )
1.103 jwilke 2159: (THeader dup hereresolve ;
2160:
2161: Variable aprim-nr -20 aprim-nr !
2162:
2163: : copy-execution-semantics ( ghost-from ghost-dest -- )
2164: >r
2165: dup >exec @ r@ >exec !
1.117 pazsan 2166: dup >comp @ r@ >comp !
1.103 jwilke 2167: dup >exec2 @ r@ >exec2 !
2168: dup >exec-compile @ r@ >exec-compile !
2169: dup >ghost-xt @ r@ >ghost-xt !
2170: dup >created @ r@ >created !
2171: rdrop drop ;
1.1 anton 2172:
2173: >TARGET
1.103 jwilke 2174:
1.1 anton 2175: : Alias ( cfa -- ) \ name
1.103 jwilke 2176: >in @ skip? IF 2drop EXIT THEN >in !
2177: (THeader ( S xt ghost )
1.105 jwilke 2178: 2dup swap xt>ghost swap copy-execution-semantics
2179: over resolve T A, H alias-mask flag! ;
1.103 jwilke 2180:
2181: Variable last-prim-ghost
2182: 0 last-prim-ghost !
2183:
2184: : asmprimname, ( ghost -- : name )
2185: dup last-prim-ghost !
2186: >r
2187: here bl word count string, r@ >asm-name !
2188: aprim-nr @ r> >asm-dummyaddr ! ;
2189:
2190: Defer setup-prim-semantics
2191:
1.112 jwilke 2192: : mapprim ( "forthname" "asmlabel" -- )
1.103 jwilke 2193: THeader -1 aprim-nr +! aprim-nr @ T A, H
2194: asmprimname,
2195: setup-prim-semantics ;
2196:
1.112 jwilke 2197: : mapprim: ( "forthname" "asmlabel" -- )
1.103 jwilke 2198: -1 aprim-nr +! aprim-nr @
2199: Ghost tuck swap resolve <do:> swap tuck >magic !
2200: asmprimname, ;
2201:
1.119 pazsan 2202: : Doer: ( cfa -- ) \ name
1.103 jwilke 2203: >in @ skip? IF 2drop EXIT THEN >in !
2204: dup 0< s" prims" T $has? H 0= and
2205: IF
2206: .sourcepos ." needs doer: " >in @ bl word count type >in ! cr
2207: THEN
1.119 pazsan 2208: Ghost
2209: tuck swap resolve <do:> swap >magic ! ;
1.64 pazsan 2210:
2211: Variable prim#
2212: : first-primitive ( n -- ) prim# ! ;
2213: : Primitive ( -- ) \ name
1.117 pazsan 2214: >in @ skip? IF drop EXIT THEN >in !
2215: s" prims" T $has? H 0=
1.103 jwilke 2216: IF
2217: .sourcepos ." needs prim: " >in @ bl word count type >in ! cr
2218: THEN
2219: prim# @ (THeader ( S xt ghost )
1.105 jwilke 2220: dup >ghost-flags <primitive> set-flag
2221: over resolve T A, H alias-mask flag!
1.103 jwilke 2222: -1 prim# +! ;
1.1 anton 2223: >CROSS
2224:
2225: \ Conditionals and Comments 11may93jaw
2226:
1.103 jwilke 2227: \G saves the existing cond action, this is used for redefining in
2228: \G instant
2229: Variable cond-xt-old
2230:
2231: : cond-target ( -- )
2232: \G Compiles semantic of redefined cond into new one
2233: cond-xt-old @ compile, ; immediate restrict
2234:
1.1 anton 2235: : ;Cond
2236: postpone ;
2237: swap ! ; immediate
2238:
1.103 jwilke 2239: : Cond: ( "name" -- )
2240: \g defines a conditional or another word that must
2241: \g be executed directly while compiling
2242: \g these words have no interpretative semantics by default
2243: Ghost
2244: >exec-compile
2245: dup @ cond-xt-old !
1.1 anton 2246: :NONAME ;
2247:
2248:
2249: : Comment ( -- )
1.103 jwilke 2250: >in @ Ghost swap >in ! ' swap
2251: 2dup >exec-compile ! >exec ! ;
1.1 anton 2252:
2253: Comment ( Comment \
2254:
2255: \ compile 10may93jaw
2256:
1.103 jwilke 2257: : compile ( "name" -- ) \ name
1.115 jwilke 2258: findghost
1.103 jwilke 2259: dup >exec-compile @ ?dup
2260: IF nip compile,
2261: ELSE postpone literal postpone gexecute THEN ; immediate restrict
2262:
1.52 jwilke 2263: >TARGET
2264:
1.105 jwilke 2265: : ' ( -- xt )
2266: \G returns the target-cfa of a ghost
1.52 jwilke 2267: bl word gfind 0= ABORT" CROSS: Ghost don't exists"
1.105 jwilke 2268: g>xt ;
1.52 jwilke 2269:
1.103 jwilke 2270: \ FIXME: this works for the current use cases, but is not
2271: \ in all cases correct ;-)
2272: : comp' X ' 0 ;
2273:
1.52 jwilke 2274: Cond: ['] T ' H alit, ;Cond
2275:
2276: >CROSS
2277:
2278: : [T']
2279: \ returns the target-cfa of a ghost, or compiles it as literal
1.115 jwilke 2280: postpone [G']
2281: state @ IF postpone g>xt ELSE g>xt THEN ; immediate
1.42 pazsan 2282:
1.52 jwilke 2283: \ \ threading modell 13dec92py
2284: \ modularized 14jun97jaw
2285:
1.106 jwilke 2286: T 2 cells H Value xt>body
1.52 jwilke 2287:
1.103 jwilke 2288: : (>body) ( cfa -- pfa )
1.105 jwilke 2289: xt>body + ; ' (>body) plugin-of t>body
2290:
2291: : fillcfa ( usedcells -- )
1.106 jwilke 2292: T cells H xt>body swap -
1.105 jwilke 2293: assert1( dup 0 >= )
2294: 0 ?DO 0 X c, tchar +LOOP ;
1.52 jwilke 2295:
1.103 jwilke 2296: : (doer,) ( ghost -- )
1.105 jwilke 2297: addr, 1 fillcfa ; ' (doer,) plugin-of doer,
1.52 jwilke 2298:
1.105 jwilke 2299: : (docol,) ( -- ) [G'] :docol (doer,) ; ' (docol,) plugin-of docol,
1.52 jwilke 2300:
2301: : (doprim,) ( -- )
1.105 jwilke 2302: there xt>body + ca>native T a, H 1 fillcfa ; ' (doprim,) plugin-of doprim,
1.52 jwilke 2303:
2304: : (doeshandler,) ( -- )
1.119 pazsan 2305: T cfalign H [G'] :doesjump addr, T 0 , H ; ' (doeshandler,) plugin-of doeshandler,
1.52 jwilke 2306:
2307: : (dodoes,) ( does-action-ghost -- )
1.119 pazsan 2308: ]comp [G'] :dodoes addr, comp[
1.52 jwilke 2309: addr,
1.103 jwilke 2310: \ the relocator in the c engine, does not like the
2311: \ does-address to marked for relocation
2312: [ T e? ec H 0= [IF] ] T here H tcell - reloff [ [THEN] ]
1.105 jwilke 2313: 2 fillcfa ; ' (dodoes,) plugin-of dodoes,
1.52 jwilke 2314:
1.107 jwilke 2315: : (dlit,) ( n -- ) compile lit td, ; ' (dlit,) plugin-of dlit,
2316:
2317: : (lit,) ( n -- ) s>d dlit, ; ' (lit,) plugin-of lit,
1.52 jwilke 2318:
1.67 jwilke 2319: \ if we dont produce relocatable code alit, defaults to lit, jaw
1.84 jwilke 2320: \ this is just for convenience, so we don't have to define alit,
2321: \ seperately for embedded systems....
2322: T has? relocate H
1.67 jwilke 2323: [IF]
1.105 jwilke 2324: : (alit,) ( n -- ) compile lit T a, H ; ' (alit,) plugin-of alit,
1.67 jwilke 2325: [ELSE]
1.105 jwilke 2326: : (alit,) ( n -- ) lit, ; ' (alit,) plugin-of alit,
1.67 jwilke 2327: [THEN]
1.52 jwilke 2328:
1.105 jwilke 2329: : (fini,) compile ;s ; ' (fini,) plugin-of fini,
1.42 pazsan 2330:
1.43 pazsan 2331: [IFUNDEF] (code)
2332: Defer (code)
2333: Defer (end-code)
2334: [THEN]
2335:
1.1 anton 2336: >TARGET
1.43 pazsan 2337: : Code
1.52 jwilke 2338: defempty?
1.48 anton 2339: (THeader there resolve
1.53 jwilke 2340: [ T e? prims H 0= [IF] T e? ITC H [ELSE] true [THEN] ] [IF]
1.52 jwilke 2341: doprim,
1.48 anton 2342: [THEN]
2343: depth (code) ;
1.43 pazsan 2344:
2345: : Code:
1.52 jwilke 2346: defempty?
1.103 jwilke 2347: Ghost dup there ca>native resolve <do:> swap >magic !
1.43 pazsan 2348: depth (code) ;
2349:
2350: : end-code
1.52 jwilke 2351: (end-code)
1.43 pazsan 2352: depth ?dup IF 1- <> ABORT" CROSS: Stack changed"
2353: ELSE true ABORT" CROSS: Stack empty" THEN
1.52 jwilke 2354: ;
1.14 anton 2355:
1.1 anton 2356: >CROSS
1.52 jwilke 2357:
1.1 anton 2358: \ tLiteral 12dec92py
2359:
2360: >TARGET
1.40 pazsan 2361: Cond: \G T-\G ;Cond
2362:
1.105 jwilke 2363: Cond: Literal ( n -- ) lit, ;Cond
1.103 jwilke 2364: Cond: ALiteral ( n -- ) alit, ;Cond
1.1 anton 2365:
2366: : Char ( "<char>" -- ) bl word char+ c@ ;
1.103 jwilke 2367: Cond: [Char] ( "<char>" -- ) Char lit, ;Cond
2368:
1.104 jwilke 2369: tchar 1 = [IF]
1.110 jwilke 2370: Cond: chars ;Cond
1.104 jwilke 2371: [THEN]
1.1 anton 2372:
1.43 pazsan 2373: \ some special literals 27jan97jaw
2374:
1.52 jwilke 2375: \ !! Known Bug: Special Literals and plug-ins work only correct
1.102 jwilke 2376: \ on 16 and 32 Bit Targets and 32 Bit Hosts!
1.52 jwilke 2377:
1.107 jwilke 2378: \ This section could be done with dlit, now. But first I need
2379: \ some test code JAW
2380:
1.43 pazsan 2381: Cond: MAXU
1.102 jwilke 2382: tcell 1 cells u>
2383: IF compile lit tcell 0 ?DO FF T c, H LOOP
2384: ELSE ffffffff lit, THEN
1.52 jwilke 2385: ;Cond
1.43 pazsan 2386:
2387: Cond: MINI
1.102 jwilke 2388: tcell 1 cells u>
2389: IF compile lit bigendian
2390: IF 80 T c, H tcell 1 ?DO 0 T c, H LOOP
2391: ELSE tcell 1 ?DO 0 T c, H LOOP 80 T c, H
2392: THEN
2393: ELSE tcell 2 = IF 8000 ELSE 80000000 THEN lit, THEN
1.52 jwilke 2394: ;Cond
1.43 pazsan 2395:
2396: Cond: MAXI
1.102 jwilke 2397: tcell 1 cells u>
2398: IF compile lit bigendian
2399: IF 7F T c, H tcell 1 ?DO FF T c, H LOOP
2400: ELSE tcell 1 ?DO FF T c, H LOOP 7F T c, H
2401: THEN
2402: ELSE tcell 2 = IF 7fff ELSE 7fffffff THEN lit, THEN
1.43 pazsan 2403: ;Cond
2404:
1.1 anton 2405: >CROSS
1.115 jwilke 2406:
1.1 anton 2407: \ Target compiling loop 12dec92py
2408: \ ">tib trick thrown out 10may93jaw
2409: \ number? defined at the top 11may93jaw
1.77 jwilke 2410: \ replaced >in by save-input
2411:
2412: : discard 0 ?DO drop LOOP ;
1.1 anton 2413:
2414: \ compiled word might leave items on stack!
1.77 jwilke 2415: : tcom ( x1 .. xn n name -- )
2416: \ dup count type space
1.103 jwilke 2417: gfind
2418: IF >r ( discard saved input state ) discard r>
2419: dup >exec-compile @ ?dup
2420: IF nip execute-exec-compile ELSE gexecute THEN
1.77 jwilke 2421: EXIT
2422: THEN
2423: number? dup
2424: IF 0> IF swap lit, THEN lit, discard
1.103 jwilke 2425: ELSE 2drop restore-input throw Ghost gexecute THEN ;
1.1 anton 2426:
2427: \ : ; DOES> 13dec92py
2428: \ ] 9may93py/jaw
2429:
1.115 jwilke 2430: >CROSS
2431:
1.105 jwilke 2432: : compiling-state ( -- )
2433: \G set states to compililng
1.54 pazsan 2434: Compiling comp-state !
1.103 jwilke 2435: \ if we have a state in target, change it with the compile state
1.105 jwilke 2436: [G'] state dup undefined? 0=
2437: IF >ghost-xt @ execute X on ELSE drop THEN ;
2438:
2439: : interpreting-state ( -- )
2440: \G set states to interpreting
2441: \ if target has a state variable, change it according to our state
2442: [G'] state dup undefined? 0=
2443: IF >ghost-xt @ execute X off ELSE drop THEN
2444: Interpreting comp-state ! ;
1.115 jwilke 2445:
2446: >TARGET
1.105 jwilke 2447:
2448: : ]
2449: compiling-state
1.1 anton 2450: BEGIN
1.77 jwilke 2451: BEGIN save-input bl word
2452: dup c@ 0= WHILE drop discard refill 0=
1.1 anton 2453: ABORT" CROSS: End of file while target compiling"
2454: REPEAT
2455: tcom
1.103 jwilke 2456: compiling? 0=
1.1 anton 2457: UNTIL ;
2458:
2459: \ by the way: defining a second interpreter (a compiler-)loop
2460: \ is not allowed if a system should be ans conform
2461:
1.110 jwilke 2462: : (:) ( ghost -- )
2463: \ common factor of : and :noname. Prepare ;Resolve and start definition
2464: ;Resolve ! there ;Resolve cell+ !
2465: docol, ]comp colon-start depth T ] H ;
2466:
1.1 anton 2467: : : ( -- colon-sys ) \ Name
1.52 jwilke 2468: defempty?
2469: constflag off \ don't let this flag work over colon defs
2470: \ just to go sure nothing unwanted happens
1.43 pazsan 2471: >in @ skip? IF drop skip-defs EXIT THEN >in !
1.110 jwilke 2472: (THeader (:) ;
1.1 anton 2473:
1.37 pazsan 2474: : :noname ( -- colon-sys )
1.110 jwilke 2475: X cfalign there
2476: \ define a nameless ghost
2477: here ghostheader dup last-header-ghost ! dup to lastghost
2478: (:) ;
1.37 pazsan 2479:
1.103 jwilke 2480: Cond: EXIT ( -- ) compile ;S ;Cond
1.6 anton 2481:
2482: Cond: ?EXIT ( -- ) 1 abort" CROSS: using ?exit" ;Cond
1.2 pazsan 2483:
1.52 jwilke 2484: >CROSS
2485: : LastXT ;Resolve @ 0= abort" CROSS: no definition for LastXT"
2486: ;Resolve cell+ @ ;
2487:
2488: >TARGET
2489:
1.103 jwilke 2490: Cond: recurse ( -- ) Last-Header-Ghost @ gexecute ;Cond
1.52 jwilke 2491:
1.103 jwilke 2492: Cond: ; ( -- )
1.105 jwilke 2493: depth ?dup
2494: IF 1- <> ABORT" CROSS: Stack changed"
2495: ELSE true ABORT" CROSS: Stack empty"
2496: THEN
2497: colon-end
2498: fini,
2499: comp[
2500: ;Resolve @
1.118 pazsan 2501: IF ['] colon-resolved ;Resolve @ >comp !
2502: ;Resolve @ ;Resolve cell+ @ resolve
1.105 jwilke 2503: THEN
2504: interpreting-state
2505: ;Cond
2506:
2507: Cond: [ ( -- ) interpreting-state ;Cond
1.1 anton 2508:
2509: >CROSS
1.54 pazsan 2510:
1.117 pazsan 2511: 0 Value created
1.54 pazsan 2512:
1.52 jwilke 2513: : !does ( does-action -- )
1.54 pazsan 2514: tlastcfa @ [G'] :dovar killref
1.117 pazsan 2515: >space here >r ghostheader space>
2516: r@ created >do:ghost ! r@ swap resolve
2517: r> tlastcfa @ >tempdp dodoes, tempdp> ;
1.103 jwilke 2518:
2519: Defer instant-interpret-does>-hook
2520:
1.118 pazsan 2521: : does-resolved ( ghost -- )
2522: compile does-exec g>xt T a, H ;
2523:
1.103 jwilke 2524: : resolve-does>-part ( -- )
2525: \ resolve words made by builders
1.105 jwilke 2526: Last-Header-Ghost @ >do:ghost @ ?dup
1.117 pazsan 2527: IF there resolve THEN ;
1.103 jwilke 2528:
1.1 anton 2529: >TARGET
1.103 jwilke 2530: Cond: DOES>
2531: compile (does>) doeshandler,
2532: resolve-does>-part
1.1 anton 2533: ;Cond
1.103 jwilke 2534:
1.118 pazsan 2535: : DOES>
2536: ['] does-resolved created >comp !
2537: switchrom doeshandler, T here H !does
2538: instant-interpret-does>-hook
2539: depth T ] H ;
1.1 anton 2540:
2541: >CROSS
1.108 jwilke 2542: \ Creation 01nov92py
1.1 anton 2543:
2544: \ Builder 11may93jaw
2545:
1.108 jwilke 2546: 0 Value built
2547:
1.105 jwilke 2548: : Builder ( Create-xt do-ghost "name" -- )
1.52 jwilke 2549: \ builds up a builder in current vocabulary
2550: \ create-xt is executed when word is interpreted
1.106 jwilke 2551: \ do:-xt is executed when the created word from builder is executed
1.105 jwilke 2552: \ for do:-xt an additional entry after the normal ghost-entrys is used
1.52 jwilke 2553:
1.109 jwilke 2554: ghost to built
1.108 jwilke 2555: built >created @ 0= IF
2556: built >created on
2557: THEN ;
1.1 anton 2558:
1.52 jwilke 2559: : gdoes, ( ghost -- )
2560: \ makes the codefield for a word that is built
1.103 jwilke 2561: >do:ghost @ dup undefined? 0=
1.52 jwilke 2562: IF
1.42 pazsan 2563: dup >magic @ <do:> =
1.54 pazsan 2564: IF doer,
2565: ELSE dodoes,
2566: THEN
2567: EXIT
1.52 jwilke 2568: THEN
2569: \ compile :dodoes gexecute
2570: \ T here H tcell - reloff
1.54 pazsan 2571: 2 refered
2572: 0 fillcfa
2573: ;
1.1 anton 2574:
1.103 jwilke 2575: : takeover-x-semantics ( S constructor-ghost new-ghost -- )
1.117 pazsan 2576: \g stores execution semantic and compilation semantic in the built word
2577: swap >do:ghost @ 2dup swap >do:ghost !
1.110 jwilke 2578: \ we use the >exec2 field for the semantic of a created word,
2579: \ using exec or exec2 makes no difference for normal cross-compilation
2580: \ but is usefull for instant where the exec field is already
2581: \ defined (e.g. Vocabularies)
1.105 jwilke 2582: 2dup >exec @ swap >exec2 !
2583: >comp @ swap >comp ! ;
1.103 jwilke 2584:
1.118 pazsan 2585: 0 Value createhere
2586:
2587: : create-resolve ( -- )
2588: created createhere resolve 0 ;Resolve ! ;
2589: : create-resolve-immediate ( -- )
2590: create-resolve T immediate H ;
2591:
1.52 jwilke 2592: : TCreate ( <name> -- )
2593: create-forward-warn
2594: IF ['] reswarn-forward IS resolve-warning THEN
1.103 jwilke 2595: executed-ghost @ (Theader
1.117 pazsan 2596: dup >created on dup to created
1.118 pazsan 2597: 2dup takeover-x-semantics
2598: there to createhere drop gdoes, ;
1.52 jwilke 2599:
2600: : RTCreate ( <name> -- )
2601: \ creates a new word with code-field in ram
2602: create-forward-warn
2603: IF ['] reswarn-forward IS resolve-warning THEN
2604: \ make Alias
1.103 jwilke 2605: executed-ghost @ (THeader
1.118 pazsan 2606: dup >created on dup to created
1.103 jwilke 2607: 2dup takeover-x-semantics
1.105 jwilke 2608: there 0 T a, H alias-mask flag!
1.103 jwilke 2609: \ store poiter to code-field
1.52 jwilke 2610: switchram T cfalign H
2611: there swap T ! H
2612: there tlastcfa !
1.118 pazsan 2613: there to createhere drop gdoes, ;
1.1 anton 2614:
2615: : Build: ( -- [xt] [colon-sys] )
1.52 jwilke 2616: :noname postpone TCreate ;
2617:
2618: : BuildSmart: ( -- [xt] [colon-sys] )
2619: :noname
1.53 jwilke 2620: [ T has? rom H [IF] ]
1.52 jwilke 2621: postpone RTCreate
2622: [ [ELSE] ]
2623: postpone TCreate
2624: [ [THEN] ] ;
1.1 anton 2625:
1.108 jwilke 2626: : ;Build
1.118 pazsan 2627: postpone create-resolve postpone ; built >exec ! ; immediate
2628:
2629: : ;Build-immediate
2630: postpone create-resolve-immediate
2631: postpone ; built >exec ! ; immediate
1.108 jwilke 2632:
1.1 anton 2633: : gdoes> ( ghost -- addr flag )
1.110 jwilke 2634: executed-ghost @ g>body ;
1.1 anton 2635:
2636: \ DO: ;DO 11may93jaw
2637:
1.108 jwilke 2638: : do:ghost! ( ghost -- ) built >do:ghost ! ;
2639: : doexec! ( xt -- ) built >do:ghost @ >exec ! ;
2640:
2641: : DO: ( -- [xt] [colon-sys] )
2642: here ghostheader do:ghost!
1.110 jwilke 2643: :noname postpone gdoes> ;
1.1 anton 2644:
1.108 jwilke 2645: : by: ( -- [xt] [colon-sys] ) \ name
2646: Ghost do:ghost!
1.110 jwilke 2647: :noname postpone gdoes> ;
1.42 pazsan 2648:
1.108 jwilke 2649: : ;DO ( [xt] [colon-sys] -- )
2650: postpone ; doexec! ; immediate
1.1 anton 2651:
1.109 jwilke 2652: : by ( -- ) \ Name
1.108 jwilke 2653: Ghost >do:ghost @ do:ghost! ;
1.107 jwilke 2654:
1.109 jwilke 2655: : compile: ( --[xt] [colon-sys] )
1.107 jwilke 2656: \G defines a compile time action for created words
2657: \G by this builder
2658: :noname ;
2659:
1.109 jwilke 2660: : ;compile ( [xt] [colon-sys] -- )
2661: postpone ; built >do:ghost @ >comp ! ; immediate
1.107 jwilke 2662:
1.1 anton 2663: \ Variables and Constants 05dec92py
2664:
1.108 jwilke 2665: Builder (Constant)
2666: Build: ( n -- ) ;Build
1.103 jwilke 2667: by: :docon ( target-body-addr -- n ) T @ H ;DO
1.52 jwilke 2668:
1.108 jwilke 2669: Builder Constant
2670: Build: ( n -- ) T , H ;Build
1.52 jwilke 2671: by (Constant)
2672:
1.108 jwilke 2673: Builder AConstant
2674: Build: ( n -- ) T A, H ;Build
1.52 jwilke 2675: by (Constant)
2676:
1.108 jwilke 2677: Builder 2Constant
2678: Build: ( d -- ) T , , H ;Build
1.52 jwilke 2679: DO: ( ghost -- d ) T dup cell+ @ swap @ H ;DO
2680:
1.108 jwilke 2681: Builder Create
2682: BuildSmart: ;Build
1.103 jwilke 2683: by: :dovar ( target-body-addr -- addr ) ;DO
1.1 anton 2684:
1.108 jwilke 2685: Builder Variable
1.53 jwilke 2686: T has? rom H [IF]
1.108 jwilke 2687: Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 , H ( switchrom ) ;Build
1.52 jwilke 2688: by (Constant)
2689: [ELSE]
1.108 jwilke 2690: Build: T 0 , H ;Build
1.1 anton 2691: by Create
1.52 jwilke 2692: [THEN]
1.1 anton 2693:
1.108 jwilke 2694: Builder 2Variable
1.53 jwilke 2695: T has? rom H [IF]
1.108 jwilke 2696: Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 , 0 , H ( switchrom ) ;Build
1.54 pazsan 2697: by (Constant)
2698: [ELSE]
1.108 jwilke 2699: Build: T 0 , 0 , H ;Build
1.54 pazsan 2700: by Create
2701: [THEN]
2702:
1.108 jwilke 2703: Builder AVariable
1.54 pazsan 2704: T has? rom H [IF]
1.108 jwilke 2705: Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 A, H ( switchrom ) ;Build
1.52 jwilke 2706: by (Constant)
2707: [ELSE]
1.108 jwilke 2708: Build: T 0 A, H ;Build
1.1 anton 2709: by Create
1.52 jwilke 2710: [THEN]
1.1 anton 2711:
1.3 pazsan 2712: \ User variables 04may94py
2713:
2714: Variable tup 0 tup !
2715: Variable tudp 0 tudp !
1.78 jwilke 2716:
1.3 pazsan 2717: : u, ( n -- udp )
2718: tup @ tudp @ + T ! H
1.19 pazsan 2719: tudp @ dup T cell+ H tudp ! ;
1.78 jwilke 2720:
1.3 pazsan 2721: : au, ( n -- udp )
2722: tup @ tudp @ + T A! H
1.19 pazsan 2723: tudp @ dup T cell+ H tudp ! ;
1.78 jwilke 2724:
1.108 jwilke 2725: Builder User
2726: Build: 0 u, X , ;Build
1.78 jwilke 2727: by: :douser ( ghost -- up-addr ) X @ tup @ + ;DO
1.1 anton 2728:
1.108 jwilke 2729: Builder 2User
2730: Build: 0 u, X , 0 u, drop ;Build
1.3 pazsan 2731: by User
1.1 anton 2732:
1.108 jwilke 2733: Builder AUser
2734: Build: 0 au, X , ;Build
1.3 pazsan 2735: by User
1.1 anton 2736:
1.108 jwilke 2737: Builder (Value)
2738: Build: ( n -- ) ;Build
2739: by: :docon ( target-body-addr -- n ) T @ H ;DO
2740:
1.1 anton 2741: Builder Value
1.108 jwilke 2742: BuildSmart: T , H ;Build
2743: by (Value)
1.1 anton 2744:
1.32 pazsan 2745: Builder AValue
1.108 jwilke 2746: BuildSmart: T A, H ;Build
2747: by (Value)
1.32 pazsan 2748:
1.103 jwilke 2749: Defer texecute
2750:
1.108 jwilke 2751: Builder Defer
2752: BuildSmart: ( -- ) [T'] noop T A, H ;Build
1.103 jwilke 2753: by: :dodefer ( ghost -- ) X @ texecute ;DO
1.37 pazsan 2754:
1.108 jwilke 2755: Builder interpret/compile:
1.118 pazsan 2756: Build: ( inter comp -- ) swap T A, A, H ;Build-immediate
1.37 pazsan 2757: DO: ( ghost -- ) ABORT" CROSS: Don't execute" ;DO
1.24 pazsan 2758:
2759: \ Sturctures 23feb95py
2760:
2761: : nalign ( addr1 n -- addr2 )
2762: \ addr2 is the aligned version of addr1 wrt the alignment size n
2763: 1- tuck + swap invert and ;
1.109 jwilke 2764:
1.24 pazsan 2765:
1.108 jwilke 2766: Builder (Field)
2767: Build: ;Build
1.44 pazsan 2768: by: :dofield T @ H + ;DO
2769:
1.108 jwilke 2770: Builder Field
1.51 anton 2771: Build: ( align1 offset1 align size "name" -- align2 offset2 )
2772: rot dup T , H ( align1 align size offset1 )
1.108 jwilke 2773: + >r nalign r> ;Build
1.44 pazsan 2774: by (Field)
1.24 pazsan 2775:
1.109 jwilke 2776: >TARGET
1.51 anton 2777: : struct T 1 chars 0 H ;
1.24 pazsan 2778: : end-struct T 2Constant H ;
2779:
1.52 jwilke 2780: : cell% ( n -- size align )
1.51 anton 2781: T 1 cells H dup ;
1.109 jwilke 2782: >CROSS
1.88 pazsan 2783:
1.105 jwilke 2784: \ Input-Methods 01py
1.103 jwilke 2785:
1.108 jwilke 2786: Builder input-method
2787: Build: ( m v -- m' v ) dup T , cell+ H ;Build
1.88 pazsan 2788: DO: abort" Not in cross mode" ;DO
2789:
1.108 jwilke 2790: Builder input-var
2791: Build: ( m v size -- m v' ) over T , H + ;Build
1.88 pazsan 2792: DO: abort" Not in cross mode" ;DO
1.24 pazsan 2793:
1.108 jwilke 2794: \ Peephole optimization 05sep01jaw
2795:
2796: \ this section defines different compilation
2797: \ actions for created words
2798: \ this will help the peephole optimizer
2799: \ I (jaw) took this from bernds lates cross-compiler
2800: \ changes but seperated it from the original
2801: \ Builder words. The final plan is to put this
2802: \ into a seperate file, together with the peephole
2803: \ optimizer for cross
2804:
2805:
2806: T has? peephole H [IF]
2807:
1.109 jwilke 2808: >CROSS
1.118 pazsan 2809:
1.109 jwilke 2810: : (callc) compile call T >body a, H ; ' (callc) plugin-of colon,
1.118 pazsan 2811: : (call-res) >tempdp resolved gexecute tempdp> drop ;
2812: ' (call-res) plugin-of colon-resolve
1.119 pazsan 2813: : (prim) dup 0< IF $4000 - ELSE
1.117 pazsan 2814: ." wrong usage of (prim) "
2815: dup gdiscover IF .ghost ELSE . THEN cr -2 throw THEN
2816: T a, H ; ' (prim) plugin-of prim,
1.109 jwilke 2817:
2818: \ if we want this, we have to spilt aconstant
2819: \ and constant!!
2820: \ Builder (Constant)
2821: \ compile: g>body X @ lit, ;compile
1.108 jwilke 2822:
2823: Builder (Constant)
1.118 pazsan 2824: compile: g>body compile lit@ T a, H ;compile
1.108 jwilke 2825:
2826: Builder (Value)
1.118 pazsan 2827: compile: g>body compile lit@ T a, H ;compile
1.108 jwilke 2828:
2829: \ this changes also Variable, AVariable and 2Variable
2830: Builder Create
1.117 pazsan 2831: compile: g>body alit, ;compile
1.108 jwilke 2832:
2833: Builder User
2834: compile: g>body compile useraddr T @ , H ;compile
2835:
2836: Builder Defer
1.118 pazsan 2837: compile: g>body compile lit-perform T A, H ;compile
1.102 jwilke 2838:
1.108 jwilke 2839: Builder (Field)
1.118 pazsan 2840: compile: g>body T @ H compile lit+ T , H ;compile
1.117 pazsan 2841:
2842: Builder interpret/compile:
2843: compile: does-resolved ;compile
2844:
2845: Builder input-method
2846: compile: does-resolved ;compile
2847:
2848: Builder input-var
2849: compile: does-resolved ;compile
1.102 jwilke 2850:
1.108 jwilke 2851: [THEN]
1.103 jwilke 2852:
1.52 jwilke 2853: \ structural conditionals 17dec92py
2854:
2855: >CROSS
1.103 jwilke 2856: : (ncontrols?) ( n -- )
2857: \g We expect n open control structures
2858: depth over u<=
2859: ABORT" CROSS: unstructured, stack underflow"
2860: 0 ?DO I pick 0=
2861: ABORT" CROSS: unstructured"
2862: LOOP ; ' (ncontrols?) plugin-of ncontrols?
2863:
2864: \ : ?struc ( flag -- ) ABORT" CROSS: unstructured " ;
2865: \ : sys? ( sys -- sys ) dup 0= ?struc ;
2866:
1.52 jwilke 2867: : >mark ( -- sys ) T here ( dup ." M" hex. ) 0 , H ;
2868:
1.78 jwilke 2869: : branchoffset ( src dest -- ) - tchar / ; \ ?? jaw
1.52 jwilke 2870:
1.78 jwilke 2871: : >resolve ( sys -- )
2872: X here ( dup ." >" hex. ) over branchoffset swap X ! ;
1.52 jwilke 2873:
1.78 jwilke 2874: : <resolve ( sys -- )
2875: X here ( dup ." <" hex. ) branchoffset X , ;
1.52 jwilke 2876:
1.78 jwilke 2877: :noname compile branch X here branchoffset X , ;
1.54 pazsan 2878: IS branch, ( target-addr -- )
1.78 jwilke 2879: :noname compile ?branch X here branchoffset X , ;
1.54 pazsan 2880: IS ?branch, ( target-addr -- )
2881: :noname compile branch T here 0 , H ;
2882: IS branchmark, ( -- branchtoken )
2883: :noname compile ?branch T here 0 , H ;
2884: IS ?branchmark, ( -- branchtoken )
2885: :noname T here 0 , H ;
2886: IS ?domark, ( -- branchtoken )
1.78 jwilke 2887: :noname dup X @ ?struc X here over branchoffset swap X ! ;
1.54 pazsan 2888: IS branchtoresolve, ( branchtoken -- )
1.78 jwilke 2889: :noname branchto, X here ;
1.54 pazsan 2890: IS branchtomark, ( -- target-addr )
1.52 jwilke 2891:
2892: >TARGET
2893:
2894: \ Structural Conditionals 12dec92py
2895:
1.103 jwilke 2896: \ CLEANUP Cond: BUT sys? swap ;Cond
2897: \ CLEANUP Cond: YET sys? dup ;Cond
1.52 jwilke 2898:
2899: >CROSS
2900:
1.78 jwilke 2901: Variable tleavings 0 tleavings !
1.52 jwilke 2902:
1.54 pazsan 2903: : (done) ( addr -- )
2904: tleavings @
2905: BEGIN dup
2906: WHILE
2907: >r dup r@ cell+ @ \ address of branch
2908: u> 0= \ lower than DO?
2909: WHILE
2910: r@ 2 cells + @ \ branch token
2911: branchtoresolve,
2912: r@ @ r> free throw
2913: REPEAT r> THEN
2914: tleavings ! drop ;
2915:
1.53 jwilke 2916: >TARGET
2917:
1.103 jwilke 2918: \ What for? ANS? JAW Cond: DONE ( addr -- ) (done) ;Cond
1.53 jwilke 2919:
2920: >CROSS
1.54 pazsan 2921: : (leave) ( branchtoken -- )
1.53 jwilke 2922: 3 cells allocate throw >r
2923: T here H r@ cell+ !
2924: r@ 2 cells + !
2925: tleavings @ r@ !
2926: r> tleavings ! ;
2927: >TARGET
2928:
1.103 jwilke 2929: : (leave,) ( -- )
2930: branchmark, (leave) ; ' (leave,) plugin-of leave,
2931:
2932: : (?leave,) ( -- )
2933: compile 0= ?branchmark, (leave) ; ' (?leave,) plugin-of ?leave,
2934:
2935: Cond: LEAVE leave, ;Cond
2936: Cond: ?LEAVE ?leave, ;Cond
1.53 jwilke 2937:
1.54 pazsan 2938: >CROSS
2939: \ !!JW ToDo : Move to general tools section
2940:
2941: : to1 ( x1 x2 xn n -- addr )
1.103 jwilke 2942: \G packs n stack elements in am allocated memory region
1.54 pazsan 2943: dup dup 1+ cells allocate throw dup >r swap 1+
2944: 0 DO tuck ! cell+ LOOP
2945: drop r> ;
1.103 jwilke 2946:
1.54 pazsan 2947: : 1to ( addr -- x1 x2 xn )
2948: \G unpacks the elements saved by to1
2949: dup @ swap over cells + swap
2950: 0 DO dup @ swap 1 cells - LOOP
2951: free throw ;
2952:
2953: : loop] branchto, dup <resolve tcell - (done) ;
2954:
2955: : skiploop] ?dup IF branchto, branchtoresolve, THEN ;
2956:
2957: >TARGET
2958:
1.52 jwilke 2959: \ Structural Conditionals 12dec92py
2960:
1.103 jwilke 2961: : (cs-swap) ( x1 x2 -- x2 x1 )
2962: swap ; ' (cs-swap) plugin-of cs-swap
2963:
2964: : (ahead,) branchmark, ; ' (ahead,) plugin-of ahead,
2965:
2966: : (if,) ?branchmark, ; ' (if,) plugin-of if,
2967:
2968: : (then,) branchto, branchtoresolve, ; ' (then,) plugin-of then,
2969:
2970: : (else,) ( ahead ) branchmark,
2971: swap
2972: ( then ) branchto, branchtoresolve, ; ' (else,) plugin-of else,
2973:
2974: : (begin,) branchtomark, ; ' (begin,) plugin-of begin,
2975:
2976: : (while,) ( if ) ?branchmark,
2977: swap ; ' (while,) plugin-of while,
2978:
2979: : (again,) branch, ; ' (again,) plugin-of again,
2980:
2981: : (until,) ?branch, ; ' (until,) plugin-of until,
2982:
2983: : (repeat,) ( again ) branch,
2984: ( then ) branchto, branchtoresolve, ; ' (repeat,) plugin-of repeat,
2985:
2986: : (case,) ( -- n )
2987: 0 ; ' (case,) plugin-of case,
2988:
2989: : (of,) ( n -- x1 n )
2990: 1+ >r
2991: compile over compile =
2992: if, compile drop r> ; ' (of,) plugin-of of,
2993:
2994: : (endof,) ( x1 n -- x2 n )
2995: >r 1 ncontrols? else, r> ; ' (endof,) plugin-of endof,
2996:
2997: : (endcase,) ( x1 .. xn n -- )
2998: compile drop 0 ?DO 1 ncontrols? then, LOOP ; ' (endcase,) plugin-of endcase,
2999:
1.53 jwilke 3000: >TARGET
1.103 jwilke 3001: Cond: AHEAD ahead, ;Cond
3002: Cond: IF if, ;Cond
3003: Cond: THEN 1 ncontrols? then, ;Cond
3004: Cond: ENDIF 1 ncontrols? then, ;Cond
3005: Cond: ELSE 1 ncontrols? else, ;Cond
3006:
3007: Cond: BEGIN begin, ;Cond
3008: Cond: WHILE 1 ncontrols? while, ;Cond
3009: Cond: AGAIN 1 ncontrols? again, ;Cond
3010: Cond: UNTIL 1 ncontrols? until, ;Cond
3011: Cond: REPEAT 2 ncontrols? repeat, ;Cond
3012:
3013: Cond: CASE case, ;Cond
3014: Cond: OF of, ;Cond
3015: Cond: ENDOF endof, ;Cond
3016: Cond: ENDCASE endcase, ;Cond
1.1 anton 3017:
3018: \ Structural Conditionals 12dec92py
3019:
1.103 jwilke 3020: : (do,) ( -- target-addr )
3021: \ ?? i think 0 is too much! jaw
1.54 pazsan 3022: 0 compile (do)
1.103 jwilke 3023: branchtomark, 2 to1 ; ' (do,) plugin-of do,
1.54 pazsan 3024:
1.103 jwilke 3025: \ alternative for if no ?do
3026: \ : (do,)
1.54 pazsan 3027: \ compile 2dup compile = compile IF
3028: \ compile 2drop compile ELSE
3029: \ compile (do) branchtomark, 2 to1 ;
3030:
1.103 jwilke 3031: : (?do,) ( -- target-addr )
1.54 pazsan 3032: 0 compile (?do) ?domark, (leave)
1.103 jwilke 3033: branchtomark, 2 to1 ; ' (?do,) plugin-of ?do,
3034:
3035: : (for,) ( -- target-addr )
3036: compile (for) branchtomark, ; ' (for,) plugin-of for,
3037:
3038: : (loop,) ( target-addr -- )
3039: 1to compile (loop) loop]
3040: compile unloop skiploop] ; ' (loop,) plugin-of loop,
3041:
3042: : (+loop,) ( target-addr -- )
3043: 1to compile (+loop) loop]
3044: compile unloop skiploop] ; ' (+loop,) plugin-of +loop,
3045:
3046: : (next,)
3047: compile (next) loop] compile unloop ; ' (next,) plugin-of next,
3048:
3049: Cond: DO do, ;Cond
3050: Cond: ?DO ?do, ;Cond
3051: Cond: FOR for, ;Cond
3052:
3053: Cond: LOOP 1 ncontrols? loop, ;Cond
3054: Cond: +LOOP 1 ncontrols? +loop, ;Cond
3055: Cond: NEXT 1 ncontrols? next, ;Cond
1.52 jwilke 3056:
1.1 anton 3057: \ String words 23feb93py
3058:
1.103 jwilke 3059: : ," [char] " parse ht-string, X align ;
1.1 anton 3060:
1.103 jwilke 3061: Cond: ." compile (.") T ," H ;Cond
3062: Cond: S" compile (S") T ," H ;Cond
3063: Cond: C" compile (C") T ," H ;Cond
3064: Cond: ABORT" compile (ABORT") T ," H ;Cond
1.1 anton 3065:
3066: Cond: IS T ' >body H compile ALiteral compile ! ;Cond
1.66 pazsan 3067: : IS T >address ' >body ! H ;
1.9 pazsan 3068: Cond: TO T ' >body H compile ALiteral compile ! ;Cond
3069: : TO T ' >body ! H ;
1.1 anton 3070:
1.52 jwilke 3071: Cond: defers T ' >body @ compile, H ;Cond
3072:
1.1 anton 3073: \ LINKED ERR" ENV" 2ENV" 18may93jaw
3074:
3075: \ linked list primitive
1.79 jwilke 3076: : linked X here over X @ X A, swap X ! ;
1.52 jwilke 3077: : chained T linked A, H ;
1.1 anton 3078:
3079: : err" s" ErrLink linked" evaluate T , H
1.103 jwilke 3080: [char] " parse ht-string, X align ;
1.1 anton 3081:
3082: : env" [char] " parse s" EnvLink linked" evaluate
1.103 jwilke 3083: ht-string, X align X , ;
1.1 anton 3084:
3085: : 2env" [char] " parse s" EnvLink linked" evaluate
1.103 jwilke 3086: here >r ht-string, X align X , X ,
1.1 anton 3087: r> dup T c@ H 80 and swap T c! H ;
3088:
3089: \ compile must be last 22feb93py
3090:
1.103 jwilke 3091: Cond: [compile] ( -- ) \ name
3092: \g For immediate words, works even if forward reference
3093: bl word gfind 0= ABORT" CROSS: Can't compile"
3094: (gexecute) ;Cond
3095:
3096: Cond: postpone ( -- ) \ name
3097: bl word gfind 0= ABORT" CROSS: Can't compile"
3098: dup >magic @ <fwd> =
3099: ABORT" CROSS: Can't postpone on forward declaration"
3100: dup >magic @ <imm> =
3101: IF (gexecute)
3102: ELSE compile (compile) addr, THEN ;Cond
1.54 pazsan 3103:
1.77 jwilke 3104: \ save-cross 17mar93py
3105:
3106: hex
3107:
3108: >CROSS
3109: Create magic s" Gforth2x" here over allot swap move
3110:
3111: bigendian 1+ \ strangely, in magic big=0, little=1
3112: tcell 1 = 0 and or
3113: tcell 2 = 2 and or
3114: tcell 4 = 4 and or
3115: tcell 8 = 6 and or
3116: tchar 1 = 00 and or
3117: tchar 2 = 28 and or
3118: tchar 4 = 50 and or
3119: tchar 8 = 78 and or
3120: magic 7 + c!
3121:
3122: : save-cross ( "image-name" "binary-name" -- )
3123: bl parse ." Saving to " 2dup type cr
3124: w/o bin create-file throw >r
1.113 jwilke 3125: s" header" X $has? IF
1.80 anton 3126: s" #! " r@ write-file throw
3127: bl parse r@ write-file throw
3128: s" --image-file" r@ write-file throw
1.77 jwilke 3129: #lf r@ emit-file throw
3130: r@ dup file-position throw drop 8 mod 8 swap ( file-id limit index )
3131: ?do
3132: bl over emit-file throw
3133: loop
3134: drop
3135: magic 8 r@ write-file throw \ write magic
3136: ELSE
3137: bl parse 2drop
3138: THEN
3139: image @ there
3140: r@ write-file throw \ write image
1.113 jwilke 3141: s" relocate" X $has? IF
1.77 jwilke 3142: bit$ @ there 1- tcell>bit rshift 1+
3143: r@ write-file throw \ write tags
3144: THEN
3145: r> close-file throw ;
3146:
3147: : save-region ( addr len -- )
3148: bl parse w/o bin create-file throw >r
3149: swap >image swap r@ write-file throw
3150: r> close-file throw ;
3151:
1.110 jwilke 3152: \ save-asm-region 29aug01jaw
1.103 jwilke 3153:
3154: Variable name-ptr
3155: Create name-buf 200 chars allot
3156: : init-name-buf name-buf name-ptr ! ;
3157: : nb, name-ptr @ c! 1 chars name-ptr +! ;
3158: : $nb, ( adr len -- ) bounds ?DO I c@ nb, LOOP ;
3159: : @nb name-ptr @ name-buf tuck - ;
3160:
3161: \ stores a usefull string representation of the character
3162: \ in the name buffer
3163: : name-char, ( c -- )
3164: dup 'a 'z 1+ within IF nb, EXIT THEN
3165: dup 'A 'Z 1+ within IF $20 + nb, EXIT THEN
3166: dup '0 '9 1+ within IF nb, EXIT THEN
3167: CASE '+ OF s" _PLUS" $nb, ENDOF
3168: '- OF s" _MINUS" $nb, ENDOF
3169: '* OF s" _STAR" $nb, ENDOF
3170: '/ OF s" _SLASH" $nb, ENDOF
3171: '' OF s" _TICK" $nb, ENDOF
3172: '( OF s" _OPAREN" $nb, ENDOF
3173: ') OF s" _CPAREN" $nb, ENDOF
3174: '[ OF s" _OBRACKET" $nb, ENDOF
3175: '] OF s" _CBRACKET" $nb, ENDOF
3176: '! OF s" _STORE" $nb, ENDOF
3177: '@ OF s" _FETCH" $nb, ENDOF
3178: '> OF s" _GREATER" $nb, ENDOF
3179: '< OF s" _LESS" $nb, ENDOF
3180: '= OF s" _EQUAL" $nb, ENDOF
3181: '# OF s" _HASH" $nb, ENDOF
3182: '? OF s" _QUEST" $nb, ENDOF
3183: ': OF s" _COL" $nb, ENDOF
3184: '; OF s" _SEMICOL" $nb, ENDOF
3185: ', OF s" _COMMA" $nb, ENDOF
3186: '. OF s" _DOT" $nb, ENDOF
3187: '" OF s" _DQUOT" $nb, ENDOF
3188: dup
3189: base @ >r hex s>d <# #s 'X hold '_ hold #> $nb, r> base !
3190: ENDCASE ;
3191:
3192: : label-from-ghostname ( ghost -- addr len )
3193: dup >ghostname init-name-buf 'L nb, bounds
3194: ?DO I c@ name-char, LOOP
3195: \ we add the address to a name to make in unique
3196: \ because one name may appear more then once
3197: \ there are names (e.g. boot) that may be reference from other
3198: \ assembler source files, so we declare them as unique
3199: \ and don't add the address suffix
3200: dup >ghost-flags @ <unique> and 0=
3201: IF s" __" $nb, >link @ base @ >r hex 0 <# #s 'L hold #> r> base ! $nb,
3202: ELSE drop
3203: THEN
3204: @nb ;
3205:
1.111 jwilke 3206: \ FIXME why disabled?!
1.103 jwilke 3207: : label-from-ghostnameXX ( ghost -- addr len )
3208: \ same as (label-from-ghostname) but caches generated names
3209: dup >asm-name @ ?dup IF nip count EXIT THEN
3210: \ dup >r (label-from-ghostname) 2dup
3211: align here >r string, align
3212: r> r> >asm-name ! ;
3213:
3214: : primghostdiscover ( xt -- ghost true | xt false )
3215: dup 0= IF false EXIT THEN
3216: >r last-prim-ghost
3217: BEGIN @ dup
3218: WHILE dup >asm-dummyaddr @ r@ =
3219: IF rdrop true EXIT THEN
3220: REPEAT
3221: drop r> false ;
3222:
3223: : gdiscover2 ( xt -- ghost true | xt false )
3224: dup taddr>region 0= IF false EXIT THEN
3225: dup (>regiontype) @ dup 0= IF drop false EXIT THEN
3226: addr-xt-ghost @ dup 0= IF drop false EXIT THEN
3227: nip true ;
3228: \ dup >ghost-name @ IF nip true ELSE drop false THEN ;
3229:
3230: \ generates a label name for the target address
3231: : generate-label-name ( taddr -- addr len )
3232: gdiscover2
3233: IF dup >magic @ <do:> =
3234: IF >asm-name @ count EXIT THEN
3235: label-from-ghostname
3236: ELSE
3237: primghostdiscover
3238: IF >asm-name @ count
3239: ELSE base @ >r hex 0 <# #s 'L hold #> r> base !
3240: THEN
3241: THEN ;
3242:
3243: Variable outfile-fd
3244:
3245: : $out ( adr len -- ) outfile-fd @ write-file throw ;
3246: : nlout newline $out ;
3247: : .ux ( n -- )
3248: base @ hex swap 0 <# #S #> $out base ! ;
3249:
3250: : save-asm-region-part-aligned ( taddr len -- 'taddr 'len )
3251: dup cell/ 0
3252: ?DO nlout s" .word " $out over @relbit
3253: IF over X @ generate-label-name $out
3254: ELSE over X @ s" 0x0" $out .ux
3255: THEN
3256: tcell /string
3257: LOOP ;
3258:
3259: : print-bytes ( taddr len n -- taddr' len' )
3260: over min dup 0>
3261: IF nlout s" .byte " $out 0
3262: ?DO I 0> IF s" , " $out THEN
3263: over X c@ s" 0x0" $out .ux 1 /string
3264: LOOP
3265: THEN ;
3266:
3267: : save-asm-region-part ( addr len -- )
3268: over dup X aligned swap - ?dup
3269: IF print-bytes THEN
3270: save-asm-region-part-aligned
3271: dup dup X aligned swap - ?dup
3272: IF 2 pick @relbit ABORT" relocated field splitted"
3273: print-bytes
3274: THEN
3275: 2drop ;
3276:
3277: : print-label ( taddr -- )
3278: nlout generate-label-name $out s" :" $out ;
3279:
3280: : snl-calc ( taddr taddr2 -- )
3281: tuck over - ;
3282:
3283: : skip-nolables ( taddr -- taddr2 taddr len )
3284: \G skips memory region where no lables are defined
3285: \G starting from taddr+1
3286: \G Labels will be introduced for each reference mark
3287: \G in addr-refs.
3288: \G This word deals with lables at byte addresses as well.
3289: \G The main idea is to have an intro part which
3290: \G skips until the next cell boundary, the middle part
3291: \G which skips whole cells very efficiently and the third
3292: \G part which skips the bytes to the label in a cell
3293: dup 1+ dup (>regiontype)
3294: ( S taddr taddr-realstart type-addr )
3295: dup @ dup IF addr-refs @ THEN
3296: swap >r
3297: over align+ tuck tcell swap - rshift swap 0
3298: DO dup 1 and
3299: IF drop rdrop snl-calc UNLOOP EXIT THEN
3300: 2/ swap 1+ swap
3301: LOOP
3302: drop r> cell+
3303: ( S .. taddr2 type-addr ) dup
3304: BEGIN dup @ dup IF addr-refs @ THEN 0= WHILE cell+ REPEAT
3305: dup >r swap - 1 cells / tcell * + r>
3306: ( S .. taddr2+skiplencells type-addr )
3307: @ addr-refs @ 1 tcell lshift or
3308: BEGIN dup 1 and 0= WHILE swap 1+ swap 2/ REPEAT drop
3309: ( S .. taddr2+skiplencells+skiplenbytes )
3310: snl-calc ;
3311:
3312: : insert-label ( taddr -- )
3313: dup 0= IF drop EXIT THEN
3314: \ ignore everything which points outside our memory regions
3315: \ maybe a primitive pointer or whatever
3316: dup taddr>region 0= IF drop EXIT THEN
3317: dup >r (>regiontype) define-addr-struct addr-refs dup @
3318: r> tcell 1- and 1 swap lshift or swap ! ;
3319:
3320: \ this generates a sorted list of addresses which must be labels
3321: \ it scans therefore a whole region
3322: : generate-label-list-region ( taddr len -- )
3323: BEGIN over @relbit IF over X @ insert-label THEN
3324: tcell /string dup 0<
3325: UNTIL 2drop ;
3326:
3327: : generate-label-list ( -- )
3328: region-link
3329: BEGIN @ dup WHILE
3330: dup 0 >rlink - extent
3331: ?dup IF generate-label-list-region ELSE drop THEN
3332: REPEAT drop ;
3333:
3334: : create-outfile ( addr len -- )
3335: w/o bin create-file throw outfile-fd ! ;
3336:
3337: : close-outfile ( -- )
3338: outfile-fd @ close-file throw ;
3339:
3340: : (save-asm-region) ( region -- )
3341: \ ." label list..."
3342: generate-label-list
3343: \ ." ok!" cr
3344: extent ( S taddr len )
3345: over insert-label
3346: 2dup + dup insert-label >r ( R end-label )
3347: ( S taddr len ) drop
3348: BEGIN
3349: dup print-label
3350: dup r@ <> WHILE
3351: skip-nolables save-asm-region-part
3352: REPEAT drop rdrop ;
3353:
3354: : lineout ( addr len -- )
3355: outfile-fd @ write-line throw ;
3356:
3357: : save-asm-region ( region adr len -- )
3358: create-outfile (save-asm-region) close-outfile ;
3359:
1.54 pazsan 3360: \ \ minimal definitions
3361:
1.77 jwilke 3362: >MINIMAL also minimal
3363:
1.1 anton 3364: \ Usefull words 13feb93py
3365:
3366: : KB 400 * ;
3367:
1.54 pazsan 3368: \ \ [IF] [ELSE] [THEN] ... 14sep97jaw
3369:
3370: \ it is useful to define our own structures and not to rely
1.109 jwilke 3371: \ on the words in the host system
3372: \ The words in the host system might be defined with vocabularies
1.54 pazsan 3373: \ this doesn't work with our self-made compile-loop
3374:
3375: Create parsed 20 chars allot \ store word we parsed
3376:
3377: : upcase
3378: parsed count bounds
3379: ?DO I c@ toupper I c! LOOP ;
3380:
3381: : [ELSE]
3382: 1 BEGIN
3383: BEGIN bl word count dup WHILE
1.77 jwilke 3384: comment? 20 umin parsed place upcase parsed count
1.54 pazsan 3385: 2dup s" [IF]" compare 0= >r
3386: 2dup s" [IFUNDEF]" compare 0= >r
3387: 2dup s" [IFDEF]" compare 0= r> or r> or
3388: IF 2drop 1+
3389: ELSE 2dup s" [ELSE]" compare 0=
3390: IF 2drop 1- dup
3391: IF 1+
3392: THEN
3393: ELSE
3394: 2dup s" [ENDIF]" compare 0= >r
3395: s" [THEN]" compare 0= r> or
3396: IF 1- THEN
3397: THEN
3398: THEN
3399: ?dup 0= ?EXIT
3400: REPEAT
3401: 2drop refill 0=
3402: UNTIL drop ; immediate
3403:
3404: : [THEN] ( -- ) ; immediate
3405:
3406: : [ENDIF] ( -- ) ; immediate
3407:
3408: : [IF] ( flag -- )
3409: 0= IF postpone [ELSE] THEN ; immediate
3410:
3411: Cond: [IF] postpone [IF] ;Cond
3412: Cond: [THEN] postpone [THEN] ;Cond
3413: Cond: [ELSE] postpone [ELSE] ;Cond
3414:
1.1 anton 3415: \ define new [IFDEF] and [IFUNDEF] 20may93jaw
3416:
1.77 jwilke 3417: : defined? tdefined? ;
1.44 pazsan 3418: : needed? needed? ;
3419: : doer? doer? ;
1.1 anton 3420:
1.52 jwilke 3421: \ we want to use IFDEF on compiler directives (e.g. E?) in the source, too
3422:
3423: : directive?
1.77 jwilke 3424: bl word count [ ' target >wordlist ] literal search-wordlist
1.52 jwilke 3425: dup IF nip THEN ;
3426:
3427: : [IFDEF] >in @ directive? swap >in !
1.77 jwilke 3428: 0= IF tdefined? ELSE name 2drop true THEN
1.52 jwilke 3429: postpone [IF] ;
3430:
1.77 jwilke 3431: : [IFUNDEF] tdefined? 0= postpone [IF] ;
1.1 anton 3432:
1.54 pazsan 3433: Cond: [IFDEF] postpone [IFDEF] ;Cond
3434:
3435: Cond: [IFUNDEF] postpone [IFUNDEF] ;Cond
3436:
1.1 anton 3437: \ C: \- \+ Conditional Compiling 09jun93jaw
3438:
1.77 jwilke 3439: : C: >in @ tdefined? 0=
3440: IF >in ! X :
1.1 anton 3441: ELSE drop
3442: BEGIN bl word dup c@
3443: IF count comment? s" ;" compare 0= ?EXIT
3444: ELSE refill 0= ABORT" CROSS: Out of Input while C:"
3445: THEN
3446: AGAIN
3447: THEN ;
3448:
1.74 jwilke 3449: : d? d? ;
3450:
3451: \G doesn't skip line when debug switch is on
3452: : \D D? 0= IF postpone \ THEN ;
1.52 jwilke 3453:
1.48 anton 3454: \G interprets the line if word is not defined
1.77 jwilke 3455: : \- tdefined? IF postpone \ THEN ;
1.48 anton 3456:
3457: \G interprets the line if word is defined
1.77 jwilke 3458: : \+ tdefined? 0= IF postpone \ THEN ;
1.1 anton 3459:
1.48 anton 3460: Cond: \- \- ;Cond
3461: Cond: \+ \+ ;Cond
1.52 jwilke 3462: Cond: \D \D ;Cond
1.48 anton 3463:
3464: : ?? bl word find IF execute ELSE drop 0 THEN ;
3465:
3466: : needed:
3467: \G defines ghost for words that we want to be compiled
1.103 jwilke 3468: BEGIN >in @ bl word c@ WHILE >in ! Ghost drop REPEAT drop ;
1.48 anton 3469:
1.1 anton 3470: \ words that should be in minimal
1.52 jwilke 3471:
3472: create s-buffer 50 chars allot
3473:
1.77 jwilke 3474: bigendian Constant bigendian
1.1 anton 3475:
1.52 jwilke 3476: : here there ;
1.67 jwilke 3477: : equ constant ;
3478: : mark there constant ;
1.54 pazsan 3479:
3480: \ compiler directives
1.52 jwilke 3481: : >ram >ram ;
3482: : >rom >rom ;
3483: : >auto >auto ;
3484: : >tempdp >tempdp ;
3485: : tempdp> tempdp> ;
3486: : const constflag on ;
1.103 jwilke 3487:
3488: : Redefinitions-start
3489: \G Starts a redefinition section. Warnings are disabled and
3490: \G existing ghosts are reused. This is used in the kernel
3491: \G where ( and \ and the like are redefined
3492: twarnings off warnings off reuse-ghosts on ;
3493:
3494: : Redefinitions-end
3495: \G Ends a redefinition section. Warnings are enabled again.
3496: twarnings on warnings on reuse-ghosts off ;
3497:
3498: : warnings name 3 =
3499: IF twarnings off warnings off ELSE twarnings on warnings on THEN drop ;
1.102 jwilke 3500:
1.60 anton 3501: : | ;
3502: \ : | NoHeaderFlag on ; \ This is broken (damages the last word)
1.52 jwilke 3503:
1.48 anton 3504: : save-cross save-cross ;
1.52 jwilke 3505: : save-region save-region ;
3506: : tdump swap >image swap dump ;
3507:
1.48 anton 3508: also forth
1.52 jwilke 3509: [IFDEF] Label : Label defempty? Label ; [THEN]
3510: [IFDEF] start-macros : start-macros defempty? start-macros ; [THEN]
1.77 jwilke 3511: \ [IFDEF] builttag : builttag builttag ; [THEN]
1.48 anton 3512: previous
3513:
1.52 jwilke 3514: : s" [char] " parse s-buffer place s-buffer count ; \ for environment?
1.43 pazsan 3515: : + + ;
1.52 jwilke 3516: : 1+ 1 + ;
3517: : 2+ 2 + ;
1.43 pazsan 3518: : 1- 1- ;
3519: : - - ;
1.52 jwilke 3520: : and and ;
3521: : or or ;
1.43 pazsan 3522: : 2* 2* ;
3523: : * * ;
3524: : / / ;
3525: : dup dup ;
3526: : over over ;
3527: : swap swap ;
3528: : rot rot ;
3529: : drop drop ;
3530: : = = ;
3531: : 0= 0= ;
3532: : lshift lshift ;
3533: : 2/ 2/ ;
1.103 jwilke 3534: \ : . . ;
1.1 anton 3535:
1.79 jwilke 3536: : all-words ['] forced? IS skip? ;
1.43 pazsan 3537: : needed-words ['] needed? IS skip? ;
1.75 jwilke 3538: : undef-words ['] defined2? IS skip? ;
3539: : skipdef skipdef ;
1.1 anton 3540:
1.40 pazsan 3541: : \ postpone \ ; immediate
1.47 pazsan 3542: : \G T-\G ; immediate
1.40 pazsan 3543: : ( postpone ( ; immediate
1.1 anton 3544: : include bl word count included ;
1.103 jwilke 3545: : included swap >image swap included ;
1.52 jwilke 3546: : require require ;
1.103 jwilke 3547: : needs require ;
1.1 anton 3548: : .( [char] ) parse type ;
1.52 jwilke 3549: : ." [char] " parse type ;
1.1 anton 3550: : cr cr ;
3551:
1.77 jwilke 3552: : times 0 ?DO dup X c, LOOP drop ; \ used for space table creation
3553:
3554: \ only forth also cross also minimal definitions order
1.1 anton 3555:
3556: \ cross-compiler words
3557:
1.103 jwilke 3558: : decimal decimal [g'] decimal >exec2 @ ?dup IF EXECUTE THEN ;
3559: : hex hex [g'] hex >exec2 @ ?dup IF EXECUTE THEN ;
1.1 anton 3560:
1.77 jwilke 3561: \ : tudp X tudp ;
3562: \ : tup X tup ;
3563:
3564: : doc-off false to-doc ! ;
3565: : doc-on true to-doc ! ;
1.39 pazsan 3566:
1.103 jwilke 3567: : declareunique ( "name" -- )
3568: \G Sets the unique flag for a ghost. The assembler output
3569: \G generates labels with the ghostname concatenated with the address
3570: \G while cross-compiling. The address is concatenated
3571: \G because we have double occurences of the same name.
3572: \G If we want to reference the labels from the assembler or C
3573: \G code we declare them unique, so the address is skipped.
3574: Ghost >ghost-flags dup @ <unique> or swap ! ;
3575:
3576: \ [IFDEF] dbg : dbg dbg ; [THEN]
1.39 pazsan 3577:
1.1 anton 3578: \ for debugging...
1.103 jwilke 3579: \ : dbg dbg ;
3580: : horder order ;
3581: : hwords words ;
3582: \ : words also ghosts
3583: \ words previous ;
1.105 jwilke 3584: : .s .s ;
1.1 anton 3585: : bye bye ;
1.99 pazsan 3586:
1.103 jwilke 3587: \ dummy
3588: : group 0 word drop ;
3589:
1.1 anton 3590: \ turnkey direction
3591: : H forth ; immediate
3592: : T minimal ; immediate
3593: : G ghosts ; immediate
3594:
3595:
3596: \ these ones are pefered:
3597:
1.74 jwilke 3598: : unlock previous forth also cross ;
1.52 jwilke 3599:
1.77 jwilke 3600: \ also minimal
1.103 jwilke 3601: >cross
3602:
3603: : turnkey
3604: ghosts-wordlist 1 set-order
3605: also target definitions
3606: also Minimal also ;
3607:
3608: >minimal
3609:
3610: : [[+++
3611: turnkey unlock ;
1.1 anton 3612:
3613: unlock definitions also minimal
1.77 jwilke 3614:
1.103 jwilke 3615: : lock turnkey ;
3616:
3617: Defer +++]]-hook
3618: : +++]] +++]]-hook lock ;
3619:
3620: LOCK
1.77 jwilke 3621: \ load cross compiler extension defined in mach file
3622:
3623: UNLOCK >CROSS
3624:
3625: [IFDEF] extend-cross extend-cross [THEN]
3626:
3627: LOCK
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