Annotation of gforth/cross.fs, revision 1.123
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:
1.123 ! jwilke 74: \ Test against this definitions to find out whether we are cross-compiling
! 75: \ may be usefull for assemblers
! 76: 0 Constant gforth-cross-indicator
! 77:
1.77 jwilke 78: \ find out whether we are compiling with gforth
79:
80: : defined? bl word find nip ;
81: defined? emit-file defined? toupper and \ drop 0
82: [IF]
83: \ use this in a gforth system
84: : \GFORTH ; immediate
85: : \ANSI postpone \ ; immediate
86: [ELSE]
87: : \GFORTH postpone \ ; immediate
88: : \ANSI ; immediate
89: [THEN]
90:
91: \ANSI : [IFUNDEF] defined? 0= postpone [IF] ; immediate
92: \ANSI : [IFDEF] defined? postpone [IF] ; immediate
93: 0 \ANSI drop 1
94: [IF]
95: : \G postpone \ ; immediate
96: : rdrop postpone r> postpone drop ; immediate
97: : name bl word count ;
98: : bounds over + swap ;
99: : scan >r BEGIN dup WHILE over c@ r@ <> WHILE 1 /string REPEAT THEN rdrop ;
100: : linked here over @ , swap ! ;
101: : alias create , DOES> @ EXECUTE ;
102: : defer ['] noop alias ;
103: : is state @
104: IF ' >body postpone literal postpone !
105: ELSE ' >body ! THEN ; immediate
106: : 0>= 0< 0= ;
107: : d<> rot <> -rot <> or ;
108: : toupper dup [char] a [char] z 1+ within IF [char] A [char] a - + THEN ;
109: Variable ebuf
110: : emit-file ( c fd -- ior ) swap ebuf c! ebuf 1 chars rot write-file ;
111: 0a Constant #lf
112: 0d Constant #cr
113:
114: [IFUNDEF] Warnings Variable Warnings [THEN]
115:
116: \ \ Number parsing 23feb93py
117:
118: \ number? number 23feb93py
119:
120: Variable dpl
121:
122: hex
123: Create bases 10 , 2 , A , 100 ,
124: \ 16 2 10 character
125:
126: \ !! protect BASE saving wrapper against exceptions
127: : getbase ( addr u -- addr' u' )
128: over c@ [char] $ - dup 4 u<
129: IF
130: cells bases + @ base ! 1 /string
131: ELSE
132: drop
133: THEN ;
134:
135: : sign? ( addr u -- addr u flag )
136: over c@ [char] - = dup >r
137: IF
138: 1 /string
139: THEN
140: r> ;
141:
142: : s>unumber? ( addr u -- ud flag )
1.78 jwilke 143: over [char] ' =
144: IF \ a ' alone is rather unusual :-)
145: drop char+ c@ 0 true EXIT
146: THEN
1.77 jwilke 147: base @ >r dpl on getbase
148: 0. 2swap
149: BEGIN ( d addr len )
150: dup >r >number dup
151: WHILE \ there are characters left
152: dup r> -
153: WHILE \ the last >number parsed something
154: dup 1- dpl ! over c@ [char] . =
155: WHILE \ the current char is '.'
156: 1 /string
157: REPEAT THEN \ there are unparseable characters left
158: 2drop false
159: ELSE
160: rdrop 2drop true
161: THEN
162: r> base ! ;
163:
164: \ ouch, this is complicated; there must be a simpler way - anton
165: : s>number? ( addr len -- d f )
166: \ converts string addr len into d, flag indicates success
167: sign? >r
168: s>unumber?
169: 0= IF
170: rdrop false
171: ELSE \ no characters left, all ok
172: r>
173: IF
174: dnegate
175: THEN
176: true
177: THEN ;
178:
179: : s>number ( addr len -- d )
180: \ don't use this, there is no way to tell success
181: s>number? drop ;
182:
183: : snumber? ( c-addr u -- 0 / n -1 / d 0> )
184: s>number? 0=
185: IF
186: 2drop false EXIT
187: THEN
188: dpl @ dup 0< IF
189: nip
190: ELSE
191: 1+
192: THEN ;
193:
194: : number? ( string -- string 0 / n -1 / d 0> )
195: dup >r count snumber? dup if
196: rdrop
197: else
198: r> swap
199: then ;
200:
201: : number ( string -- d )
202: number? ?dup 0= abort" ?" 0<
203: IF
204: s>d
205: THEN ;
206:
207: [THEN]
1.48 anton 208:
1.115 jwilke 209: \ this provides assert( and struct stuff
210: \GFORTH [IFUNDEF] assert1(
211: \GFORTH also forth definitions require assert.fs previous
212: \GFORTH [THEN]
213:
214: >CROSS
215:
1.52 jwilke 216: hex \ the defualt base for the cross-compiler is hex !!
1.78 jwilke 217: \ Warnings off
1.52 jwilke 218:
219: \ words that are generaly useful
220:
1.59 pazsan 221: : KB 400 * ;
1.52 jwilke 222: : >wordlist ( vocabulary-xt -- wordlist-struct )
223: also execute get-order swap >r 1- set-order r> ;
224:
225: : umax 2dup u< IF swap THEN drop ;
226: : umin 2dup u> IF swap THEN drop ;
1.1 anton 227:
1.23 pazsan 228: : string, ( c-addr u -- )
229: \ puts down string as cstring
230: dup c, here swap chars dup allot move ;
1.5 pazsan 231:
1.77 jwilke 232: : ," [char] " parse string, ;
233:
1.52 jwilke 234: : SetValue ( n -- <name> )
1.54 pazsan 235: \G Same behaviour as "Value" if the <name> is not defined
236: \G Same behaviour as "to" if <name> is defined
1.52 jwilke 237: \G SetValue searches in the current vocabulary
1.68 jwilke 238: save-input bl word >r restore-input throw r> count
239: get-current search-wordlist
240: IF drop >r
241: \ we have to set current to be topmost context wordlist
242: get-order get-order get-current swap 1+ set-order
243: r> ['] to execute
1.74 jwilke 244: set-order
1.68 jwilke 245: ELSE Value THEN ;
1.52 jwilke 246:
247: : DefaultValue ( n -- <name> )
1.54 pazsan 248: \G Same behaviour as "Value" if the <name> is not defined
249: \G DefaultValue searches in the current vocabulary
1.52 jwilke 250: save-input bl word >r restore-input throw r> count
251: get-current search-wordlist
1.56 pazsan 252: IF bl word drop 2drop ELSE Value THEN ;
1.1 anton 253:
254: hex
255:
1.120 jwilke 256: \ FIXME delete`
1.52 jwilke 257: \ 1 Constant Cross-Flag \ to check whether assembler compiler plug-ins are
258: \ for cross-compiling
259: \ No! we use "[IFUNDEF]" there to find out whether we are target compiling!!!
260:
1.120 jwilke 261: \ FIXME move down
1.52 jwilke 262: : comment? ( c-addr u -- c-addr u )
263: 2dup s" (" compare 0=
264: IF postpone (
265: ELSE 2dup s" \" compare 0= IF postpone \ THEN
266: THEN ;
267:
1.120 jwilke 268: : X ( -- <name> )
269: \G The next word in the input is a target word.
270: \G Equivalent to T <name> but without permanent
271: \G switch to target dictionary. Used as prefix e.g. for @, !, here etc.
272: bl word count [ ' target >wordlist ] Literal search-wordlist
273: IF state @ IF compile, ELSE execute THEN
274: ELSE -1 ABORT" Cross: access method not supported!"
275: THEN ; immediate
1.105 jwilke 276:
1.52 jwilke 277: \ Begin CROSS COMPILER:
278:
1.74 jwilke 279: \ debugging
1.52 jwilke 280:
1.74 jwilke 281: 0 [IF]
282:
283: This implements debugflags for the cross compiler and the compiled
284: images. It works identical to the has-flags in the environment.
285: The debugflags are defined in a vocabluary. If the word exists and
286: its value is true, the flag is switched on.
287:
288: [THEN]
289:
1.77 jwilke 290: >CROSS
291:
1.74 jwilke 292: Vocabulary debugflags \ debug flags for cross
293: also debugflags get-order over
294: Constant debugflags-wl
295: set-order previous
296:
297: : DebugFlag
298: get-current >r debugflags-wl set-current
299: SetValue
300: r> set-current ;
301:
302: : Debug? ( adr u -- flag )
303: \G return true if debug flag is defined or switched on
304: debugflags-wl search-wordlist
305: IF EXECUTE
306: ELSE false THEN ;
307:
308: : D? ( <name> -- flag )
309: \G return true if debug flag is defined or switched on
310: \G while compiling we do not return the current value but
311: bl word count debug? ;
312:
313: : [d?]
314: \G compile the value-xt so the debug flag can be switched
315: \G the flag must exist!
316: bl word count debugflags-wl search-wordlist
317: IF compile,
318: ELSE -1 ABORT" unknown debug flag"
319: \ POSTPONE false
320: THEN ; immediate
1.54 pazsan 321:
1.123 ! jwilke 322: : symentry ( adr len taddr -- )
! 323: \G Produce a symbol table (an optional symbol address
! 324: \G map) if wanted
! 325: [ [IFDEF] fd-symbol-table ]
! 326: base @ swap hex s>d <# 8 0 DO # LOOP #> fd-symbol-table write-file throw base !
! 327: s" :" fd-symbol-table write-file throw
! 328: fd-symbol-table write-line throw
! 329: [ [ELSE] ]
! 330: 2drop drop
! 331: [ [THEN] ] ;
! 332:
! 333:
1.77 jwilke 334: \ \ -------------------- source file
335:
336: decimal
337:
338: Variable cross-file-list
339: 0 cross-file-list !
340: Variable target-file-list
341: 0 target-file-list !
342: Variable host-file-list
343: 0 host-file-list !
344:
345: cross-file-list Value file-list
346: 0 Value source-desc
347:
348: \ file loading
349:
350: : >fl-id 1 cells + ;
351: : >fl-name 2 cells + ;
352:
353: Variable filelist 0 filelist !
354: Create NoFile ," #load-file#"
355:
356: : loadfile ( -- adr )
357: source-desc ?dup IF >fl-name ELSE NoFile THEN ;
358:
359: : sourcefilename ( -- adr len )
360: loadfile count ;
361:
362: \ANSI : sourceline# 0 ;
363:
364: \ \ -------------------- path handling from kernel/paths.fs
365:
366: \ paths.fs path file handling 03may97jaw
367:
368: \ -Changing the search-path:
369: \ fpath+ <path> adds a directory to the searchpath
370: \ fpath= <path>|<path> makes complete now searchpath
371: \ seperator is |
372: \ .fpath displays the search path
373: \ remark I:
374: \ a ./ in the beginning of filename is expanded to the directory the
375: \ current file comes from. ./ can also be included in the search-path!
376: \ ~+/ loads from the current working directory
377:
378: \ remark II:
379: \ if there is no sufficient space for the search path increase it!
380:
381:
382: \ -Creating custom paths:
383:
384: \ It is possible to use the search mechanism on yourself.
385:
386: \ Make a buffer for the path:
387: \ create mypath 100 chars , \ maximum length (is checked)
388: \ 0 , \ real len
389: \ 100 chars allot \ space for path
390: \ use the same functions as above with:
391: \ mypath path+
392: \ mypath path=
393: \ mypath .path
394:
395: \ do a open with the search path:
396: \ open-path-file ( adr len path -- fd adr len ior )
397: \ the file is opened read-only; if the file is not found an error is generated
398:
399: \ questions to: wilke@jwdt.com
400:
401: [IFUNDEF] +place
402: : +place ( adr len adr )
403: 2dup >r >r
404: dup c@ char+ + swap move
405: r> r> dup c@ rot + swap c! ;
406: [THEN]
407:
408: [IFUNDEF] place
409: : place ( c-addr1 u c-addr2 )
410: 2dup c! char+ swap move ;
411: [THEN]
412:
413: \ if we have path handling, use this and the setup of it
414: [IFUNDEF] open-fpath-file
415:
416: create sourcepath 1024 chars , 0 , 1024 chars allot \ !! make this dynamic
417: sourcepath value fpath
418:
419: : also-path ( adr len path^ -- )
420: >r
421: \ len check
422: r@ cell+ @ over + r@ @ u> ABORT" path buffer too small!"
423: \ copy into
424: tuck r@ cell+ dup @ cell+ + swap cmove
425: \ make delimiter
426: 0 r@ cell+ dup @ cell+ + 2 pick + c! 1 + r> cell+ +!
427: ;
428:
429: : only-path ( adr len path^ -- )
430: dup 0 swap cell+ ! also-path ;
431:
432: : path+ ( path-addr "dir" -- ) \ gforth
433: \G Add the directory @var{dir} to the search path @var{path-addr}.
434: name rot also-path ;
435:
436: : fpath+ ( "dir" ) \ gforth
437: \G Add directory @var{dir} to the Forth search path.
438: fpath path+ ;
439:
440: : path= ( path-addr "dir1|dir2|dir3" ) \ gforth
441: \G Make a complete new search path; the path separator is |.
442: name 2dup bounds ?DO i c@ [char] | = IF 0 i c! THEN LOOP
443: rot only-path ;
444:
445: : fpath= ( "dir1|dir2|dir3" ) \ gforth
446: \G Make a complete new Forth search path; the path separator is |.
447: fpath path= ;
448:
449: : path>counted cell+ dup cell+ swap @ ;
450:
451: : next-path ( adr len -- adr2 len2 )
452: 2dup 0 scan
453: dup 0= IF 2drop 0 -rot 0 -rot EXIT THEN
454: >r 1+ -rot r@ 1- -rot
455: r> - ;
456:
457: : previous-path ( path^ -- )
458: dup path>counted
459: BEGIN tuck dup WHILE repeat ;
460:
461: : .path ( path-addr -- ) \ gforth
462: \G Display the contents of the search path @var{path-addr}.
463: path>counted
464: BEGIN next-path dup WHILE type space REPEAT 2drop 2drop ;
465:
466: : .fpath ( -- ) \ gforth
467: \G Display the contents of the Forth search path.
468: fpath .path ;
469:
470: : absolut-path? ( addr u -- flag ) \ gforth
471: \G A path is absolute if it starts with a / or a ~ (~ expansion),
472: \G or if it is in the form ./*, extended regexp: ^[/~]|./, or if
473: \G it has a colon as second character ("C:..."). Paths simply
474: \G containing a / are not absolute!
475: 2dup 2 u> swap 1+ c@ [char] : = and >r \ dos absoulte: c:/....
476: over c@ [char] / = >r
477: over c@ [char] ~ = >r
478: \ 2dup 3 min S" ../" compare 0= r> or >r \ not catered for in expandtopic
479: 2 min S" ./" compare 0=
480: r> r> r> or or or ;
481:
482: Create ofile 0 c, 255 chars allot
483: Create tfile 0 c, 255 chars allot
484:
485: : pathsep? dup [char] / = swap [char] \ = or ;
486:
487: : need/ ofile dup c@ + c@ pathsep? 0= IF s" /" ofile +place THEN ;
488:
489: : extractpath ( adr len -- adr len2 )
490: BEGIN dup WHILE 1-
491: 2dup + c@ pathsep? IF EXIT THEN
492: REPEAT ;
493:
494: : remove~+ ( -- )
495: ofile count 3 min s" ~+/" compare 0=
496: IF
497: ofile count 3 /string ofile place
498: THEN ;
499:
500: : expandtopic ( -- ) \ stack effect correct? - anton
501: \ expands "./" into an absolute name
502: ofile count 2 min s" ./" compare 0=
503: IF
504: ofile count 1 /string tfile place
505: 0 ofile c! sourcefilename extractpath ofile place
506: ofile c@ IF need/ THEN
507: tfile count over c@ pathsep? IF 1 /string THEN
508: ofile +place
509: THEN ;
510:
511: : compact.. ( adr len -- adr2 len2 )
1.85 pazsan 512: \ deletes phrases like "xy/.." out of our directory name 2dec97jaw
513: over swap
514: BEGIN dup WHILE
515: dup >r '/ scan 2dup 4 min s" /../" compare 0=
516: IF
517: dup r> - >r 4 /string over r> + 4 -
518: swap 2dup + >r move dup r> over -
519: ELSE
520: rdrop dup 1 min /string
521: THEN
522: REPEAT drop over - ;
1.77 jwilke 523:
524: : reworkdir ( -- )
525: remove~+
526: ofile count compact..
527: nip ofile c! ;
528:
529: : open-ofile ( -- fid ior )
530: \G opens the file whose name is in ofile
531: expandtopic reworkdir
532: ofile count r/o open-file ;
533:
534: : check-path ( adr1 len1 adr2 len2 -- fd 0 | 0 <>0 )
535: 0 ofile ! >r >r ofile place need/
536: r> r> ofile +place
537: open-ofile ;
538:
539: : open-path-file ( addr1 u1 path-addr -- wfileid addr2 u2 0 | ior ) \ gforth
540: \G Look in path @var{path-addr} for the file specified by @var{addr1 u1}.
541: \G If found, the resulting path and an open file descriptor
542: \G are returned. If the file is not found, @var{ior} is non-zero.
543: >r
544: 2dup absolut-path?
545: IF rdrop
546: ofile place open-ofile
547: dup 0= IF >r ofile count r> THEN EXIT
548: ELSE r> path>counted
549: BEGIN next-path dup
550: WHILE 5 pick 5 pick check-path
551: 0= IF >r 2drop 2drop r> ofile count 0 EXIT ELSE drop THEN
552: REPEAT
553: 2drop 2drop 2drop -38
554: THEN ;
555:
556: : open-fpath-file ( addr1 u1 -- wfileid addr2 u2 0 | ior ) \ gforth
557: \G Look in the Forth search path for the file specified by @var{addr1 u1}.
558: \G If found, the resulting path and an open file descriptor
559: \G are returned. If the file is not found, @var{ior} is non-zero.
560: fpath open-path-file ;
561:
562: fpath= ~+
563:
564: [THEN]
565:
566: \ \ -------------------- include require 13may99jaw
567:
568: >CROSS
569:
570: : add-included-file ( adr len -- adr )
571: dup >fl-name char+ allocate throw >r
572: file-list @ r@ ! r@ file-list !
573: r@ >fl-name place r> ;
574:
575: : included? ( c-addr u -- f )
576: file-list
577: BEGIN @ dup
578: WHILE >r 2dup r@ >fl-name count compare 0=
579: IF rdrop 2drop true EXIT THEN
580: r>
581: REPEAT
582: 2drop drop false ;
583:
584: false DebugFlag showincludedfiles
585:
586: : included1 ( fd adr u -- )
587: \ include file adr u / fd
588: \ we don't use fd with include-file, because the forth system
589: \ doesn't know the name of the file to get a nice error report
590: [d?] showincludedfiles
591: IF cr ." Including: " 2dup type ." ..." THEN
592: rot close-file throw
593: source-desc >r
594: add-included-file to source-desc
595: sourcefilename
596: ['] included catch
597: r> to source-desc
598: throw ;
599:
600: : included ( adr len -- )
601: cross-file-list to file-list
602: open-fpath-file throw
603: included1 ;
604:
605: : required ( adr len -- )
606: cross-file-list to file-list
607: open-fpath-file throw \ 2dup cr ." R:" type
608: 2dup included?
609: IF 2drop close-file throw
610: ELSE included1
611: THEN ;
612:
613: : include bl word count included ;
614:
615: : require bl word count required ;
616:
1.78 jwilke 617: 0 [IF]
618:
1.77 jwilke 619: also forth definitions previous
620:
621: : included ( adr len -- ) included ;
622:
623: : required ( adr len -- ) required ;
624:
625: : include include ;
626:
627: : require require ;
628:
1.78 jwilke 629: [THEN]
630:
1.77 jwilke 631: >CROSS
632: hex
633:
634: \ \ -------------------- Error Handling 05aug97jaw
635:
636: \ Flags
637:
638: also forth definitions \ these values may be predefined before
639: \ the cross-compiler is loaded
640:
641: false DefaultValue stack-warn \ check on empty stack at any definition
642: false DefaultValue create-forward-warn \ warn on forward declaration of created words
643:
644: previous >CROSS
645:
646: : .dec
647: base @ decimal swap . base ! ;
648:
649: : .sourcepos
650: cr sourcefilename type ." :"
651: sourceline# .dec ;
652:
653: : warnhead
654: \G display error-message head
655: \G perhaps with linenumber and filename
656: .sourcepos ." Warning: " ;
657:
658: : empty? depth IF .sourcepos ." Stack not empty!" THEN ;
659:
660: stack-warn [IF]
661: : defempty? empty? ;
662: [ELSE]
663: : defempty? ; immediate
664: [THEN]
665:
1.105 jwilke 666: \ \ -------------------- Compiler Plug Ins 01aug97jaw
667:
668: >CROSS
669:
670: \ Compiler States
671:
672: Variable comp-state
673: 0 Constant interpreting
674: 1 Constant compiling
675: 2 Constant resolving
676: 3 Constant assembling
677:
678: : compiling? comp-state @ compiling = ;
679:
680: : pi-undefined -1 ABORT" Plugin undefined" ;
681:
682: : Plugin ( -- : pluginname )
683: Create
684: \ for normal cross-compiling only one action
685: \ exists, this fields are identical. For the instant
686: \ simulation environment we need, two actions for each plugin
687: \ the target one and the one that generates the simulation code
688: ['] pi-undefined , \ action
689: ['] pi-undefined , \ target plugin action
690: 8765 , \ plugin magic
691: DOES> perform ;
692:
693: Plugin DummyPlugin
694:
695: : 'PI ( -- addr : pluginname )
696: ' >body dup 2 cells + @ 8765 <> ABORT" not a plugin" ;
697:
698: : plugin-of ( xt -- : pluginname )
699: dup 'PI 2! ;
700:
701: : action-of ( xt -- : plunginname )
702: 'PI cell+ ! ;
703:
704: : TPA ( -- : plugin )
705: \ target plugin action
706: \ executes current target action of plugin
707: 'PI cell+ POSTPONE literal POSTPONE perform ; immediate
708:
709: Variable ppi-temp 0 ppi-temp !
710:
711: : pa:
712: \g define plugin action
713: ppi-temp @ ABORT" pa: definition not closed"
714: 'PI ppi-temp ! :noname ;
715:
716: : ;pa
717: \g end a definition for plugin action
718: POSTPONE ; ppi-temp @ ! 0 ppi-temp ! ; immediate
719:
720:
1.107 jwilke 721: Plugin dlit, ( d -- ) \ compile numerical value the target
1.105 jwilke 722: Plugin lit, ( n -- )
723: Plugin alit, ( n -- )
724:
725: Plugin branch, ( target-addr -- ) \ compiles a branch
726: Plugin ?branch, ( target-addr -- ) \ compiles a ?branch
727: Plugin branchmark, ( -- branch-addr ) \ reserves room for a branch
728: Plugin ?branchmark, ( -- branch-addr ) \ reserves room for a ?branch
729: Plugin ?domark, ( -- branch-addr ) \ reserves room for a ?do branch
730: Plugin branchto, ( -- ) \ actual program position is target of a branch (do e.g. alignment)
731: ' NOOP plugin-of branchto,
732: Plugin branchtoresolve, ( branch-addr -- ) \ resolves a forward reference from branchmark
733: Plugin branchtomark, ( -- target-addr ) \ marks a branch destination
734:
735: Plugin colon, ( tcfa -- ) \ compiles call to tcfa at current position
736: Plugin prim, ( tcfa -- ) \ compiles primitive invocation
737: Plugin colonmark, ( -- addr ) \ marks a colon call
738: Plugin colon-resolve ( tcfa addr -- )
739:
740: Plugin addr-resolve ( target-addr addr -- )
741: Plugin doer-resolve ( ghost res-pnt target-addr addr -- ghost res-pnt )
742:
743: Plugin ncontrols? ( [ xn ... x1 ] n -- ) \ checks wheter n control structures are open
744: Plugin if, ( -- if-token )
745: Plugin else, ( if-token -- if-token )
746: Plugin then, ( if-token -- )
747: Plugin ahead,
748: Plugin begin,
749: Plugin while,
750: Plugin until,
751: Plugin again,
752: Plugin repeat,
753: Plugin cs-swap ( x1 x2 -- x2 x1 )
754:
755: Plugin case, ( -- n )
756: Plugin of, ( n -- x1 n )
757: Plugin endof, ( x1 n -- x2 n )
758: Plugin endcase, ( x1 .. xn n -- )
759:
760: Plugin do, ( -- do-token )
761: Plugin ?do, ( -- ?do-token )
762: Plugin for, ( -- for-token )
763: Plugin loop, ( do-token / ?do-token -- )
764: Plugin +loop, ( do-token / ?do-token -- )
765: Plugin next, ( for-token )
766: Plugin leave, ( -- )
767: Plugin ?leave, ( -- )
768:
1.121 jwilke 769: Plugin ca>native \ Convert a code address to the processors
770: \ native address. This is used in doprim, and
771: \ code/code: primitive definitions word to
772: \ convert the addresses.
773: \ The only target where we need this is the misc
774: \ which is a 16 Bit processor with word addresses
775: \ but the forth system we build has a normal byte
776: \ addressed memory model
1.105 jwilke 777:
778: Plugin doprim, \ compiles start of a primitive
779: Plugin docol, \ compiles start of a colon definition
780: Plugin doer,
781: Plugin fini, \ compiles end of definition ;s
782: Plugin doeshandler,
783: Plugin dodoes,
784:
785: Plugin colon-start
786: ' noop plugin-of colon-start
787: Plugin colon-end
788: ' noop plugin-of colon-end
789:
790: Plugin ]comp \ starts compilation
791: ' noop plugin-of ]comp
792: Plugin comp[ \ ends compilation
793: ' noop plugin-of comp[
794:
795: Plugin t>body \ we need the system >body
796: \ and the target >body
797:
798: >TARGET
799: : >body t>body ;
800:
801:
1.103 jwilke 802: \ Ghost Builder 06oct92py
803:
1.105 jwilke 804: >CROSS
1.103 jwilke 805: hex
1.105 jwilke 806: \ Values for ghost magic
1.103 jwilke 807: 4711 Constant <fwd> 4712 Constant <res>
808: 4713 Constant <imm> 4714 Constant <do:>
809: 4715 Constant <skip>
810:
1.105 jwilke 811: \ Bitmask for ghost flags
1.103 jwilke 812: 1 Constant <unique>
1.105 jwilke 813: 2 Constant <primitive>
814:
815: \ FXIME: move this to general stuff?
816: : set-flag ( addr flag -- )
817: over @ or swap ! ;
818:
819: : reset-flag ( addr flag -- )
820: invert over @ and swap ! ;
821:
822: : get-flag ( addr flag -- f )
823: swap @ and 0<> ;
824:
1.103 jwilke 825:
826: Struct
1.52 jwilke 827:
1.103 jwilke 828: \ link to next ghost (always the first element)
829: cell% field >next-ghost
1.52 jwilke 830:
1.103 jwilke 831: \ type of ghost
832: cell% field >magic
833:
834: \ pointer where ghost is in target, or if unresolved
835: \ points to the where we have to resolve (linked-list)
836: cell% field >link
1.52 jwilke 837:
1.106 jwilke 838: \ execution semantics (while target compiling) of ghost
1.103 jwilke 839: cell% field >exec
1.52 jwilke 840:
1.106 jwilke 841: \ compilation action of this ghost; this is what is
842: \ done to compile a call (or whatever) to this definition.
843: \ E.g. >comp contains the semantic of postpone s"
844: \ whereas >exec-compile contains the semantic of s"
1.105 jwilke 845: cell% field >comp
846:
1.106 jwilke 847: \ Compilation sematics (while parsing) of this ghost. E.g.
848: \ "\" will skip the rest of line.
849: \ These semantics are defined by Cond: and
850: \ if a word is made immediate in instant, then the >exec2 field
851: \ gets copied to here
1.103 jwilke 852: cell% field >exec-compile
1.52 jwilke 853:
1.106 jwilke 854: \ Additional execution semantics of this ghost. This is used
855: \ for code generated by instant and for the doer-xt of created
856: \ words
1.103 jwilke 857: cell% field >exec2
1.52 jwilke 858:
1.103 jwilke 859: cell% field >created
1.52 jwilke 860:
1.103 jwilke 861: \ the xt of the created ghost word itself
862: cell% field >ghost-xt
1.52 jwilke 863:
1.103 jwilke 864: \ pointer to the counted string of the assiciated
865: \ assembler label
866: cell% field >asm-name
1.52 jwilke 867:
1.103 jwilke 868: \ mapped primitives have a special address, so
869: \ we are able to detect them
870: cell% field >asm-dummyaddr
871:
872: \ for builder (create, variable...) words
873: \ the execution symantics of words built are placed here
874: \ this is a doer ghost or a dummy ghost
875: cell% field >do:ghost
1.93 pazsan 876:
1.103 jwilke 877: cell% field >ghost-flags
1.93 pazsan 878:
1.103 jwilke 879: cell% field >ghost-name
1.52 jwilke 880:
1.103 jwilke 881: End-Struct ghost-struct
1.52 jwilke 882:
1.103 jwilke 883: Variable ghost-list
884: 0 ghost-list !
1.52 jwilke 885:
886: Variable executed-ghost \ last executed ghost, needed in tcreate and gdoes>
1.103 jwilke 887: \ Variable last-ghost \ last ghost that is created
1.52 jwilke 888: Variable last-header-ghost \ last ghost definitions with header
889:
1.103 jwilke 890: \ space for ghosts resolve structure
891: \ we create ghosts in a sepearte space
892: \ and not to the current host dp, because this
893: \ gives trouble with instant while compiling and creating
894: \ a ghost for a forward reference
895: \ BTW: we cannot allocate another memory region
896: \ because allot will check the overflow!!
897: Variable cross-space-dp
898: Create cross-space 250000 allot here 100 allot align
899: Constant cross-space-end
900: cross-space cross-space-dp !
901: Variable cross-space-dp-orig
902:
903: : cross-space-used cross-space-dp @ cross-space - ;
904:
905: : >space ( -- )
906: dp @ cross-space-dp-orig !
907: cross-space-dp @ dp ! ;
908:
909: : space> ( -- )
910: dp @ dup cross-space-dp !
911: cross-space-end u> ABORT" CROSS: cross-space overflow"
912: cross-space-dp-orig @ dp ! ;
913:
1.106 jwilke 914: \ this is just for debugging, to see this in the backtrace
1.103 jwilke 915: : execute-exec execute ;
916: : execute-exec2 execute ;
917: : execute-exec-compile execute ;
918:
919: : NoExec
920: executed-ghost @ >exec2 @
921: ?dup
922: IF execute-exec2
923: ELSE true ABORT" CROSS: Don't execute ghost, or immediate target word"
924: THEN ;
925:
1.105 jwilke 926: Defer is-forward
927:
1.103 jwilke 928: : (ghostheader) ( -- )
1.121 jwilke 929: ghost-list linked <fwd> , 0 , ['] NoExec , ['] is-forward ,
1.118 pazsan 930: 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , ;
1.103 jwilke 931:
932: : ghostheader ( -- ) (ghostheader) 0 , ;
933:
934: ' Ghosts >wordlist Constant ghosts-wordlist
935:
936: \ the current wordlist for ghost definitions in the host
937: ghosts-wordlist Value current-ghosts
938:
1.52 jwilke 939: : Make-Ghost ( "name" -- ghost )
1.103 jwilke 940: >space
941: \ save current and create in ghost vocabulary
942: get-current >r current-ghosts set-current
943: >in @ Create >in !
944: \ some forth systems like iForth need the immediate directly
945: \ after the word is created
946: \ restore current
947: r> set-current
948: here (ghostheader)
949: bl word count string, align
950: space>
951: \ set ghost-xt field by doing a search
952: dup >ghost-name count
953: current-ghosts search-wordlist
954: 0= ABORT" CROSS: Just created, must be there!"
955: over >ghost-xt !
956: DOES>
957: dup executed-ghost !
958: >exec @ execute-exec ;
1.52 jwilke 959:
960: \ ghost words 14oct92py
961: \ changed: 10may93py/jaw
962:
1.103 jwilke 963: Defer search-ghosts
964:
965: : (search-ghosts) ( adr len -- cfa true | 0 )
966: current-ghosts search-wordlist ;
967:
968: ' (search-ghosts) IS search-ghosts
969:
970: : gsearch ( addr len -- ghost true | 0 )
971: search-ghosts
972: dup IF swap >body swap THEN ;
973:
974: : gfind ( string -- ghost true / string false )
1.52 jwilke 975: \ searches for string in word-list ghosts
1.103 jwilke 976: \ dup count type space
977: dup >r count gsearch
978: dup IF rdrop ELSE r> swap THEN ;
1.52 jwilke 979:
980: : gdiscover ( xt -- ghost true | xt false )
1.103 jwilke 981: >r ghost-list
1.52 jwilke 982: BEGIN @ dup
1.103 jwilke 983: WHILE dup >magic @ <fwd> <>
984: IF dup >link @ r@ =
985: IF rdrop true EXIT THEN
986: THEN
1.52 jwilke 987: REPEAT
1.103 jwilke 988: drop r> false ;
1.52 jwilke 989:
1.105 jwilke 990: : xt>ghost ( xt -- ghost )
991: gdiscover 0= ABORT" CROSS: ghost not found for this xt" ;
992:
1.103 jwilke 993: : Ghost ( "name" -- ghost )
994: >in @ bl word gfind IF nip EXIT THEN
1.52 jwilke 995: drop >in ! Make-Ghost ;
996:
997: : >ghostname ( ghost -- adr len )
1.103 jwilke 998: >ghost-name count ;
999:
1000: : forward? ( ghost -- flag )
1001: >magic @ <fwd> = ;
1002:
1003: : undefined? ( ghost -- flag )
1004: >magic @ dup <fwd> = swap <skip> = or ;
1005:
1006: : immediate? ( ghost -- flag )
1007: >magic @ <imm> = ;
1008:
1009: Variable TWarnings
1010: TWarnings on
1011: Variable Exists-Warnings
1012: Exists-Warnings on
1013:
1014: : exists-warning ( ghost -- ghost )
1015: TWarnings @ Exists-Warnings @ and
1016: IF dup >ghostname warnhead type ." exists " THEN ;
1017:
1018: \ : HeaderGhost Ghost ;
1019:
1020: Variable reuse-ghosts reuse-ghosts off
1021:
1022: : HeaderGhost ( "name" -- ghost )
1023: >in @
1024: bl word count
1025: \ 2dup type space
1026: current-ghosts search-wordlist
1027: IF >body dup undefined? reuse-ghosts @ or
1028: IF nip EXIT
1029: ELSE exists-warning
1030: THEN
1031: drop >in !
1032: ELSE >in !
1033: THEN
1034: \ we keep the execution semantics of the prviously
1035: \ defined words, this is a workaround
1036: \ for the redefined \ until vocs work
1037: Make-Ghost ;
1038:
1.78 jwilke 1039: : .ghost ( ghost -- ) >ghostname type ;
1040:
1.77 jwilke 1041: \ ' >ghostname ALIAS @name
1.52 jwilke 1042:
1.115 jwilke 1043: : findghost ( "ghostname" -- ghost )
1044: bl word gfind 0= ABORT" CROSS: Ghost don't exists" ;
1045:
1.103 jwilke 1046: : [G'] ( -- ghost : name )
1047: \G ticks a ghost and returns its address
1.115 jwilke 1048: findghost
1049: state @ IF postpone literal THEN ; immediate
1.103 jwilke 1050:
1.105 jwilke 1051: : g>xt ( ghost -- xt )
1052: \G Returns the xt (cfa) of a ghost. Issues a warning if undefined.
1.103 jwilke 1053: dup undefined? ABORT" CROSS: forward " >link @ ;
1054:
1.105 jwilke 1055: : g>body ( ghost -- body )
1056: \G Returns the body-address (pfa) of a ghost.
1057: \G Issues a warning if undefined (a forward-reference).
1058: g>xt X >body ;
1059:
1.103 jwilke 1060: 1 Constant <label>
1.52 jwilke 1061:
1.103 jwilke 1062: Struct
1063: \ bitmask of address type (not used for now)
1064: cell% field addr-type
1065: \ if this address is an xt, this field points to the ghost
1066: cell% field addr-xt-ghost
1067: \ a bit mask that tells as what part of the cell
1068: \ is refenced from an address pointer, used for assembler generation
1069: cell% field addr-refs
1070: End-Struct addr-struct
1071:
1072: : %allocerase ( align size -- addr )
1073: dup >r %alloc dup r> erase ;
1074:
1075: \ returns the addr struct, define it if 0 reference
1076: : define-addr-struct ( addr -- struct-addr )
1077: dup @ ?dup IF nip EXIT THEN
1078: addr-struct %allocerase tuck swap ! ;
1.75 jwilke 1079:
1.118 pazsan 1080: >cross
1081:
1.52 jwilke 1082: \ Predefined ghosts 12dec92py
1083:
1.114 jwilke 1084: Ghost - drop \ need a ghost otherwise "-" would be treated as a number
1085:
1.103 jwilke 1086: Ghost 0= drop
1087: Ghost branch Ghost ?branch 2drop
1088: Ghost unloop Ghost ;S 2drop
1.118 pazsan 1089: Ghost lit Ghost ! 2drop
1090: Ghost noop drop
1.103 jwilke 1091: Ghost over Ghost = Ghost drop 2drop drop
1092: Ghost 2drop drop
1093: Ghost 2dup drop
1.115 jwilke 1094: Ghost call drop
1095: Ghost @ drop
1096: Ghost useraddr drop
1097: Ghost execute drop
1098: Ghost + drop
1099: Ghost decimal drop
1100: Ghost hex drop
1.118 pazsan 1101: Ghost lit@ drop
1102: Ghost lit-perform drop
1103: Ghost lit+ drop
1104: Ghost does-exec drop
1.52 jwilke 1105:
1.119 pazsan 1106: Ghost :docol Ghost :doesjump Ghost :dodoes 2drop drop
1107: Ghost :dovar drop
1108:
1.52 jwilke 1109: \ \ Parameter for target systems 06oct92py
1110:
1.103 jwilke 1111:
1.52 jwilke 1112: \ we define it ans like...
1113: wordlist Constant target-environment
1114:
1.103 jwilke 1115: \ save information of current dictionary to restore with environ>
1116: Variable env-current
1.52 jwilke 1117:
1118: : >ENVIRON get-current env-current ! target-environment set-current ;
1119: : ENVIRON> env-current @ set-current ;
1.43 pazsan 1120:
1.48 anton 1121: >TARGET
1.43 pazsan 1122:
1.103 jwilke 1123: : environment? ( addr len -- [ x ] true | false )
1124: \G returns the content of environment variable and true or
1125: \G false if not present
1126: target-environment search-wordlist
1127: IF EXECUTE true ELSE false THEN ;
1128:
1129: : $has? ( addr len -- x | false )
1130: \G returns the content of environment variable
1131: \G or false if not present
1132: T environment? H dup IF drop THEN ;
1133:
1134: : e? ( "name" -- x )
1135: \G returns the content of environment variable.
1136: \G The variable is expected to exist. If not, issue an error.
1137: bl word count T environment? H
1138: 0= ABORT" environment variable not defined!" ;
1139:
1140: : has? ( "name" --- x | false )
1141: \G returns the content of environment variable
1142: \G or false if not present
1143: bl word count T $has? H ;
1.52 jwilke 1144:
1.48 anton 1145:
1.54 pazsan 1146: >ENVIRON get-order get-current swap 1+ set-order
1147: true SetValue compiler
1.83 pazsan 1148: true SetValue cross
1.54 pazsan 1149: true SetValue standard-threading
1150: >TARGET previous
1.52 jwilke 1151:
1.77 jwilke 1152: 0
1.103 jwilke 1153: [IFDEF] mach-file drop mach-file count 1 [THEN]
1154: [IFDEF] machine-file drop machine-file 1 [THEN]
1155: [IF] included hex
1.77 jwilke 1156: [ELSE] cr ." No machine description!" ABORT
1157: [THEN]
1.43 pazsan 1158:
1.53 jwilke 1159: >ENVIRON
1160:
1.54 pazsan 1161: T has? ec H
1162: [IF]
1163: false DefaultValue relocate
1164: false DefaultValue file
1165: false DefaultValue OS
1166: false DefaultValue prims
1167: false DefaultValue floating
1168: false DefaultValue glocals
1169: false DefaultValue dcomps
1170: false DefaultValue hash
1171: false DefaultValue xconds
1172: false DefaultValue header
1.105 jwilke 1173: false DefaultValue backtrace
1174: false DefaultValue new-input
1175: false DefaultValue peephole
1.54 pazsan 1176: [THEN]
1177:
1178: true DefaultValue interpreter
1179: true DefaultValue ITC
1180: false DefaultValue rom
1.73 jwilke 1181: true DefaultValue standardthreading
1.53 jwilke 1182:
1.52 jwilke 1183: >TARGET
1.53 jwilke 1184: s" relocate" T environment? H
1.103 jwilke 1185: \ JAW why set NIL to this?!
1186: [IF] drop \ SetValue NIL
1.113 jwilke 1187: [ELSE] >ENVIRON X NIL SetValue relocate
1.53 jwilke 1188: [THEN]
1.113 jwilke 1189: >TARGET
1190:
1191: 0 Constant NIL
1.43 pazsan 1192:
1193: >CROSS
1194:
1.52 jwilke 1195: \ \ Create additional parameters 19jan95py
1.19 pazsan 1196:
1.71 jwilke 1197: \ currently cross only works for host machines with address-unit-bits
1198: \ eual to 8 because of s! and sc!
1199: \ but I start to query the environment just to modularize a little bit
1200:
1201: : check-address-unit-bits ( -- )
1202: \ s" ADDRESS-UNIT-BITS" environment?
1203: \ IF 8 <> ELSE true THEN
1204: \ ABORT" ADDRESS-UNIT-BITS unknown or not equal to 8!"
1205:
1206: \ shit, this doesn't work because environment? is only defined for
1207: \ gforth.fi and not kernl???.fi
1208: ;
1209:
1210: check-address-unit-bits
1211: 8 Constant bits/byte \ we define: byte is address-unit
1212:
1213: 1 bits/byte lshift Constant maxbyte
1.77 jwilke 1214: \ this sets byte size for the target machine, (probably right guess) jaw
1.67 jwilke 1215:
1.19 pazsan 1216: T
1.71 jwilke 1217: NIL Constant TNIL
1218: cell Constant tcell
1219: cell<< Constant tcell<<
1220: cell>bit Constant tcell>bit
1221: bits/char Constant tbits/char
1222: bits/char H bits/byte T /
1223: Constant tchar
1224: float Constant tfloat
1225: 1 bits/char lshift Constant tmaxchar
1226: [IFUNDEF] bits/byte
1227: 8 Constant tbits/byte
1228: [ELSE]
1229: bits/byte Constant tbits/byte
1230: [THEN]
1.19 pazsan 1231: H
1.81 pazsan 1232: tbits/char bits/byte / Constant tbyte
1.71 jwilke 1233:
1.19 pazsan 1234:
1.48 anton 1235: \ Variables 06oct92py
1236:
1237: Variable image
1238: Variable tlast TNIL tlast ! \ Last name field
1239: Variable tlastcfa \ Last code field
1240: Variable bit$
1.52 jwilke 1241:
1242: \ statistics 10jun97jaw
1243:
1244: Variable headers-named 0 headers-named !
1245: Variable user-vars 0 user-vars !
1246:
1.67 jwilke 1247: : target>bitmask-size ( u1 -- u2 )
1248: 1- tcell>bit rshift 1+ ;
1249:
1.105 jwilke 1250: : allocatetarget ( size -- adr )
1.67 jwilke 1251: dup allocate ABORT" CROSS: No memory for target"
1252: swap over swap erase ;
1.52 jwilke 1253:
1.54 pazsan 1254: \ \ memregion.fs
1.52 jwilke 1255:
1256:
1257: Variable last-defined-region \ pointer to last defined region
1258: Variable region-link \ linked list with all regions
1259: Variable mirrored-link \ linked list for mirrored regions
1260: 0 dup mirrored-link ! region-link !
1261:
1262:
1.103 jwilke 1263: : >rname 7 cells + ;
1264: : >rbm 4 cells + ;
1265: : >rmem 5 cells + ;
1266: : >rtype 6 cells + ;
1.67 jwilke 1267: : >rlink 3 cells + ;
1.52 jwilke 1268: : >rdp 2 cells + ;
1269: : >rlen cell+ ;
1270: : >rstart ;
1271:
1.113 jwilke 1272: : (region) ( addr len region -- )
1273: \G change startaddress and length of an existing region
1274: >r r@ last-defined-region !
1275: r@ >rlen ! dup r@ >rstart ! r> >rdp ! ;
1.52 jwilke 1276:
1.123 ! jwilke 1277: : region ( addr len -- "name" )
1.103 jwilke 1278: \G create a new region
1.52 jwilke 1279: \ check whether predefined region exists
1280: save-input bl word find >r >r restore-input throw r> r> 0=
1281: IF \ make region
1282: drop
1283: save-input create restore-input throw
1284: here last-defined-region !
1285: over ( startaddr ) , ( length ) , ( dp ) ,
1.103 jwilke 1286: region-link linked 0 , 0 , 0 , bl word count string,
1.52 jwilke 1287: ELSE \ store new parameters in region
1288: bl word drop
1.113 jwilke 1289: >body (region)
1.52 jwilke 1290: THEN ;
1291:
1.103 jwilke 1292: : borders ( region -- startaddr endaddr )
1293: \G returns lower and upper region border
1.67 jwilke 1294: dup >rstart @ swap >rlen @ over + ;
1.52 jwilke 1295:
1.103 jwilke 1296: : extent ( region -- startaddr len )
1297: \G returns the really used area
1.67 jwilke 1298: dup >rstart @ swap >rdp @ over - ;
1.52 jwilke 1299:
1.103 jwilke 1300: : area ( region -- startaddr totallen )
1301: \G returns the total area
1.79 jwilke 1302: dup >rstart @ swap >rlen @ ;
1.52 jwilke 1303:
1.103 jwilke 1304: : mirrored
1305: \G mark a region as mirrored
1.52 jwilke 1306: mirrored-link
1.68 jwilke 1307: align linked last-defined-region @ , ;
1.52 jwilke 1308:
1.67 jwilke 1309: : .addr ( u -- )
1310: \G prints a 16 or 32 Bit nice hex value
1.52 jwilke 1311: base @ >r hex
1312: tcell 2 u>
1.77 jwilke 1313: IF s>d <# # # # # [char] . hold # # # # #> type
1.52 jwilke 1314: ELSE s>d <# # # # # # #> type
1.103 jwilke 1315: THEN r> base ! space ;
1.52 jwilke 1316:
1317: : .regions \G display region statistic
1318:
1319: \ we want to list the regions in the right order
1320: \ so first collect all regions on stack
1321: 0 region-link @
1322: BEGIN dup WHILE dup @ REPEAT drop
1323: BEGIN dup
1.67 jwilke 1324: WHILE cr
1325: 0 >rlink - >r
1326: r@ >rname count tuck type
1.52 jwilke 1327: 12 swap - 0 max spaces space
1.67 jwilke 1328: ." Start: " r@ >rstart @ dup .addr space
1329: ." End: " r@ >rlen @ + .addr space
1330: ." DP: " r> >rdp @ .addr
1.52 jwilke 1331: REPEAT drop
1.53 jwilke 1332: s" rom" T $has? H 0= ?EXIT
1.52 jwilke 1333: cr ." Mirrored:"
1334: mirrored-link @
1335: BEGIN dup
1.67 jwilke 1336: WHILE space dup cell+ @ >rname count type @
1.52 jwilke 1337: REPEAT drop cr
1338: ;
1339:
1340: \ -------- predefined regions
1341:
1342: 0 0 region address-space
1343: \ total memory addressed and used by the target system
1344:
1345: 0 0 region dictionary
1346: \ rom area for the compiler
1347:
1.53 jwilke 1348: T has? rom H
1.52 jwilke 1349: [IF]
1350: 0 0 region ram-dictionary mirrored
1351: \ ram area for the compiler
1352: [ELSE]
1353: ' dictionary ALIAS ram-dictionary
1354: [THEN]
1355:
1356: 0 0 region return-stack
1357:
1358: 0 0 region data-stack
1359:
1360: 0 0 region tib-region
1361:
1362: ' dictionary ALIAS rom-dictionary
1363:
1364:
1.105 jwilke 1365: : setup-target ( -- ) \G initialize target's memory space
1.53 jwilke 1366: s" rom" T $has? H
1.52 jwilke 1367: IF \ check for ram and rom...
1.72 jwilke 1368: \ address-space area nip 0<>
1.67 jwilke 1369: ram-dictionary area nip 0<>
1370: rom-dictionary area nip 0<>
1.72 jwilke 1371: and 0=
1.52 jwilke 1372: ABORT" CROSS: define address-space, rom- , ram-dictionary, with rom-support!"
1373: THEN
1374: address-space area nip
1375: IF
1376: address-space area
1377: ELSE
1378: dictionary area
1379: THEN
1.67 jwilke 1380: nip 0=
1.52 jwilke 1381: ABORT" CROSS: define at least address-space or dictionary!!"
1.67 jwilke 1382:
1383: \ allocate target for each region
1384: region-link
1385: BEGIN @ dup
1386: WHILE dup
1387: 0 >rlink - >r
1388: r@ >rlen @
1389: IF \ allocate mem
1.103 jwilke 1390: r@ >rlen @ allocatetarget dup image !
1.67 jwilke 1391: r@ >rmem !
1392:
1.103 jwilke 1393: r@ >rlen @
1.67 jwilke 1394: target>bitmask-size allocatetarget
1.72 jwilke 1395: dup bit$ !
1.103 jwilke 1396: r@ >rbm !
1.67 jwilke 1397:
1.103 jwilke 1398: r@ >rlen @
1399: tcell / 1+ cells allocatetarget r@ >rtype !
1400:
1401: rdrop
1.67 jwilke 1402: ELSE r> drop THEN
1.72 jwilke 1403: REPEAT drop ;
1404:
1.105 jwilke 1405: \ MakeKernel 22feb99jaw
1.72 jwilke 1406:
1.113 jwilke 1407: : makekernel ( targetsize -- )
1408: \G convenience word to setup the memory of the target
1409: \G used by main.fs of the c-engine based systems
1410: 100 swap dictionary (region)
1411: setup-target ;
1.72 jwilke 1412:
1413: >MINIMAL
1414: : makekernel makekernel ;
1415: >CROSS
1.52 jwilke 1416:
1.54 pazsan 1417: \ \ switched tdp for rom support 03jun97jaw
1.52 jwilke 1418:
1419: \ second value is here to store some maximal value for statistics
1420: \ tempdp is also embedded here but has nothing to do with rom support
1421: \ (needs switched dp)
1422:
1423: variable tempdp 0 , \ temporary dp for resolving
1424: variable tempdp-save
1425:
1426: 0 [IF]
1427: variable romdp 0 , \ Dictionary-Pointer for ramarea
1428: variable ramdp 0 , \ Dictionary-Pointer for romarea
1429:
1430: \
1431: variable sramdp \ start of ram-area for forth
1432: variable sromdp \ start of rom-area for forth
1433:
1434: [THEN]
1435:
1.123 ! jwilke 1436: 0 Value current-region
! 1437: 0 Value tdp
! 1438: Variable fixed \ flag: true: no automatic switching
1.52 jwilke 1439: \ false: switching is done automatically
1440:
1441: \ Switch-Policy:
1442: \
1443: \ a header is always compiled into rom
1444: \ after a created word (create and variable) compilation goes to ram
1445: \
1446: \ Be careful: If you want to make the data behind create into rom
1447: \ you have to put >rom before create!
1448:
1449: variable constflag constflag off
1450:
1.67 jwilke 1451: : activate ( region -- )
1452: \G next code goes to this region
1.123 ! jwilke 1453: dup to current-region >rdp to tdp ;
1.67 jwilke 1454:
1.52 jwilke 1455: : (switchram)
1.53 jwilke 1456: fixed @ ?EXIT s" rom" T $has? H 0= ?EXIT
1.67 jwilke 1457: ram-dictionary activate ;
1.52 jwilke 1458:
1459: : switchram
1460: constflag @
1461: IF constflag off ELSE (switchram) THEN ;
1462:
1463: : switchrom
1.67 jwilke 1464: fixed @ ?EXIT rom-dictionary activate ;
1.52 jwilke 1465:
1466: : >tempdp ( addr -- )
1467: tdp tempdp-save ! tempdp to tdp tdp ! ;
1468: : tempdp> ( -- )
1469: tempdp-save @ to tdp ;
1470:
1471: : >ram fixed off (switchram) fixed on ;
1472: : >rom fixed off switchrom fixed on ;
1473: : >auto fixed off switchrom ;
1474:
1475:
1476:
1477: \ : romstart dup sromdp ! romdp ! ;
1478: \ : ramstart dup sramdp ! ramdp ! ;
1479:
1.67 jwilke 1480: \ default compilation goes to rom
1.52 jwilke 1481: \ when romable support is off, only the rom switch is used (!!)
1482: >auto
1483:
1.48 anton 1484: : there tdp @ ;
1485:
1.52 jwilke 1486: >TARGET
1.48 anton 1487:
1.52 jwilke 1488: \ \ Target Memory Handling
1.1 anton 1489:
1490: \ Byte ordering and cell size 06oct92py
1491:
1.19 pazsan 1492: : cell+ tcell + ;
1493: : cells tcell<< lshift ;
1.71 jwilke 1494: : chars tchar * ;
1495: : char+ tchar + ;
1.19 pazsan 1496: : floats tfloat * ;
1.6 anton 1497:
1.1 anton 1498: >CROSS
1.19 pazsan 1499: : cell/ tcell<< rshift ;
1.1 anton 1500: >TARGET
1501: 20 CONSTANT bl
1.52 jwilke 1502: \ TNIL Constant NIL
1.1 anton 1503:
1504: >CROSS
1505:
1.20 pazsan 1506: bigendian
1507: [IF]
1.106 jwilke 1508: : DS! ( d addr -- ) tcell bounds swap 1-
1.20 pazsan 1509: DO maxbyte ud/mod rot I c! -1 +LOOP 2drop ;
1.106 jwilke 1510: : DS@ ( addr -- d ) >r 0 0 r> tcell bounds
1511: DO maxbyte * swap maxbyte um* rot + swap I c@ + swap LOOP ;
1.57 pazsan 1512: : Sc! ( n addr -- ) >r s>d r> tchar bounds swap 1-
1513: DO maxbyte ud/mod rot I c! -1 +LOOP 2drop ;
1514: : Sc@ ( addr -- n ) >r 0 0 r> tchar bounds
1515: DO maxbyte * swap maxbyte um* rot + swap I c@ + swap LOOP d>s ;
1.19 pazsan 1516: [ELSE]
1.106 jwilke 1517: : DS! ( d addr -- ) tcell bounds
1.20 pazsan 1518: DO maxbyte ud/mod rot I c! LOOP 2drop ;
1.106 jwilke 1519: : DS@ ( addr -- n ) >r 0 0 r> tcell bounds swap 1-
1520: DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP ;
1.57 pazsan 1521: : Sc! ( n addr -- ) >r s>d r> tchar bounds
1522: DO maxbyte ud/mod rot I c! LOOP 2drop ;
1523: : Sc@ ( addr -- n ) >r 0 0 r> tchar bounds swap 1-
1524: DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP d>s ;
1.1 anton 1525: [THEN]
1526:
1.106 jwilke 1527: : S! ( n addr -- ) >r s>d r> DS! ;
1528: : S@ ( addr -- n ) DS@ d>s ;
1529:
1.67 jwilke 1530: : taddr>region ( taddr -- region | 0 )
1531: \G finds for a target-address the correct region
1532: \G returns 0 if taddr is not in range of a target memory region
1533: region-link
1534: BEGIN @ dup
1535: WHILE dup >r
1536: 0 >rlink - >r
1537: r@ >rlen @
1538: IF dup r@ borders within
1539: IF r> r> drop nip EXIT THEN
1540: THEN
1541: r> drop
1542: r>
1543: REPEAT
1544: 2drop 0 ;
1545:
1.103 jwilke 1546: : taddr>region-abort ( taddr -- region | 0 )
1.122 jwilke 1547: \G Same as taddr>region but aborts if taddr is not
1548: \G a valid address in the target address space
1.103 jwilke 1549: dup taddr>region dup 0=
1550: IF drop cr ." Wrong address: " .addr
1551: -1 ABORT" Address out of range!"
1552: THEN nip ;
1553:
1.67 jwilke 1554: : (>regionimage) ( taddr -- 'taddr )
1555: dup
1556: \ find region we want to address
1.103 jwilke 1557: taddr>region-abort
1.67 jwilke 1558: >r
1559: \ calculate offset in region
1560: r@ >rstart @ -
1561: \ add regions real address in our memory
1562: r> >rmem @ + ;
1563:
1.103 jwilke 1564: : (>regionbm) ( taddr -- 'taddr bitmaskbaseaddr )
1565: dup
1566: \ find region we want to address
1567: taddr>region-abort
1568: >r
1569: \ calculate offset in region
1570: r@ >rstart @ -
1571: \ add regions real address in our memory
1572: r> >rbm @ ;
1573:
1574: : (>regiontype) ( taddr -- 'taddr )
1575: dup
1576: \ find region we want to address
1577: taddr>region-abort
1578: >r
1579: \ calculate offset in region
1580: r@ >rstart @ - tcell / cells
1581: \ add regions real address in our memory
1582: r> >rtype @ + ;
1583:
1.1 anton 1584: \ Bit string manipulation 06oct92py
1585: \ 9may93jaw
1586: CREATE Bittable 80 c, 40 c, 20 c, 10 c, 8 c, 4 c, 2 c, 1 c,
1587: : bits ( n -- n ) chars Bittable + c@ ;
1588:
1589: : >bit ( addr n -- c-addr mask ) 8 /mod rot + swap bits ;
1590: : +bit ( addr n -- ) >bit over c@ or swap c! ;
1.4 pazsan 1591: : -bit ( addr n -- ) >bit invert over c@ and swap c! ;
1.67 jwilke 1592:
1.103 jwilke 1593: : @relbit ( taddr -- f ) (>regionbm) swap cell/ >bit swap c@ and ;
1594:
1.84 jwilke 1595: : (relon) ( taddr -- )
1596: [ [IFDEF] fd-relocation-table ]
1597: s" +" fd-relocation-table write-file throw
1598: dup s>d <# #s #> fd-relocation-table write-line throw
1599: [ [THEN] ]
1.103 jwilke 1600: (>regionbm) swap cell/ +bit ;
1.84 jwilke 1601:
1602: : (reloff) ( taddr -- )
1603: [ [IFDEF] fd-relocation-table ]
1604: s" -" fd-relocation-table write-file throw
1605: dup s>d <# #s #> fd-relocation-table write-line throw
1606: [ [THEN] ]
1.103 jwilke 1607: (>regionbm) swap cell/ -bit ;
1.67 jwilke 1608:
1609: : (>image) ( taddr -- absaddr ) image @ + ;
1610:
1611: DEFER >image
1612: DEFER relon
1613: DEFER reloff
1614: DEFER correcter
1615:
1616: T has? relocate H
1617: [IF]
1618: ' (relon) IS relon
1619: ' (reloff) IS reloff
1.103 jwilke 1620: ' (>regionimage) IS >image
1.67 jwilke 1621: [ELSE]
1622: ' drop IS relon
1623: ' drop IS reloff
1.68 jwilke 1624: ' (>regionimage) IS >image
1.67 jwilke 1625: [THEN]
1.1 anton 1626:
1627: \ Target memory access 06oct92py
1628:
1629: : align+ ( taddr -- rest )
1.48 anton 1630: tcell tuck 1- and - [ tcell 1- ] Literal and ;
1.22 anton 1631: : cfalign+ ( taddr -- rest )
1.39 pazsan 1632: \ see kernel.fs:cfaligned
1.43 pazsan 1633: /maxalign tuck 1- and - [ /maxalign 1- ] Literal and ;
1.1 anton 1634:
1635: >TARGET
1636: : aligned ( taddr -- ta-addr ) dup align+ + ;
1637: \ assumes cell alignment granularity (as GNU C)
1638:
1.22 anton 1639: : cfaligned ( taddr1 -- taddr2 )
1.39 pazsan 1640: \ see kernel.fs
1.22 anton 1641: dup cfalign+ + ;
1642:
1.52 jwilke 1643: : @ ( taddr -- w ) >image S@ ;
1644: : ! ( w taddr -- ) >image S! ;
1.57 pazsan 1645: : c@ ( taddr -- char ) >image Sc@ ;
1646: : c! ( char taddr -- ) >image Sc! ;
1.7 anton 1647: : 2@ ( taddr -- x1 x2 ) T dup cell+ @ swap @ H ;
1.82 pazsan 1648: : 2! ( x1 x2 taddr -- ) T tuck ! cell+ ! H ;
1.1 anton 1649:
1650: \ Target compilation primitives 06oct92py
1651: \ included A! 16may93jaw
1652:
1653: : here ( -- there ) there ;
1654: : allot ( n -- ) tdp +! ;
1.78 jwilke 1655: : , ( w -- ) T here H tcell T allot ! H ;
1656: : c, ( char -- ) T here H tchar T allot c! H ;
1657: : align ( -- ) T here H align+ 0 ?DO bl T c, H tchar +LOOP ;
1.22 anton 1658: : cfalign ( -- )
1.78 jwilke 1659: T here H cfalign+ 0 ?DO bl T c, H tchar +LOOP ;
1.1 anton 1660:
1.71 jwilke 1661: : >address dup 0>= IF tbyte / THEN ; \ ?? jaw
1.59 pazsan 1662: : A! swap >address swap dup relon T ! H ;
1663: : A, ( w -- ) >address T here H relon T , H ;
1.1 anton 1664:
1.118 pazsan 1665: \ high-level ghosts
1666:
1667: >CROSS
1668:
1669: Ghost (do) Ghost (?do) 2drop
1670: Ghost (for) drop
1671: Ghost (loop) Ghost (+loop) 2drop
1672: Ghost (next) drop
1673: Ghost (does>) Ghost (compile) 2drop
1674: Ghost (.") Ghost (S") Ghost (ABORT") 2drop drop
1675: Ghost (C") drop
1676: Ghost ' drop
1677:
1678: \ user ghosts
1679:
1680: Ghost state drop
1.103 jwilke 1681:
1682: \ \ -------------------- Host/Target copy etc. 29aug01jaw
1683:
1684:
1685: >CROSS
1686:
1.107 jwilke 1687: : TD! >image DS! ;
1688: : TD@ >image DS@ ;
1689:
1.103 jwilke 1690: : th-count ( taddr -- host-addr len )
1691: \G returns host address of target string
1692: assert1( tbyte 1 = )
1693: dup X c@ swap X char+ >image swap ;
1694:
1695: : ht-move ( haddr taddr len -- )
1696: \G moves data from host-addr to destination in target-addr
1697: \G character by character
1698: swap -rot bounds ?DO I c@ over X c! X char+ LOOP drop ;
1699:
1700: 2Variable last-string
1701:
1702: : ht-string, ( addr count -- )
1703: dup there swap last-string 2!
1704: dup T c, H bounds ?DO I c@ T c, H LOOP ;
1705:
1706: >TARGET
1707:
1708: : count dup X c@ swap X char+ swap ;
1.110 jwilke 1709:
1710: : on -1 -1 rot TD! ;
1.103 jwilke 1711: : off T 0 swap ! H ;
1.1 anton 1712:
1.107 jwilke 1713: : tcmove ( source dest len -- )
1714: \G cmove in target memory
1715: tchar * bounds
1716: ?DO dup T c@ H I T c! H 1+
1717: tchar +LOOP drop ;
1718:
1719: : td, ( d -- )
1720: \G Store a host value as one cell into the target
1721: there tcell X allot TD! ;
1722:
1723: \ \ Load Assembler
1724:
1725: >TARGET
1726: H also Forth definitions
1727:
1728: \ FIXME: should we include the assembler really in the forth
1729: \ dictionary?!?!?!? This conflicts with the existing assembler
1730: \ of the host forth system!!
1731: [IFDEF] asm-include asm-include [THEN] hex
1732:
1733: previous
1734:
1735:
1.52 jwilke 1736: >CROSS
1737:
1.103 jwilke 1738: : (cc) T a, H ; ' (cc) plugin-of colon,
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 )
1.121 jwilke 1752: there -1 colon, ; ' (cm) plugin-of colonmark,
1.1 anton 1753:
1.52 jwilke 1754: >TARGET
1.105 jwilke 1755: : compile, ( xt -- )
1.107 jwilke 1756: dup xt>ghost >comp @ EXECUTE ;
1.52 jwilke 1757: >CROSS
1.1 anton 1758:
1.102 jwilke 1759: \ resolve structure
1760:
1761: : >next ; \ link to next field
1762: : >tag cell+ ; \ indecates type of reference: 0: call, 1: address, 2: doer
1763: : >taddr cell+ cell+ ;
1764: : >ghost 3 cells + ;
1765: : >file 4 cells + ;
1766: : >line 5 cells + ;
1767:
1768: : (refered) ( ghost addr tag -- )
1769: \G creates a reference to ghost at address taddr
1.103 jwilke 1770: >space
1771: rot >link linked
1.102 jwilke 1772: ( taddr tag ) ,
1773: ( taddr ) ,
1774: last-header-ghost @ ,
1775: loadfile ,
1776: sourceline# ,
1.103 jwilke 1777: space>
1.118 pazsan 1778: ;
1779:
1.52 jwilke 1780: : refered ( ghost tag -- )
1.53 jwilke 1781: \G creates a resolve structure
1.54 pazsan 1782: T here aligned H swap (refered)
1783: ;
1784:
1785: : killref ( addr ghost -- )
1786: \G kills a forward reference to ghost at position addr
1787: \G this is used to eleminate a :dovar refence after making a DOES>
1788: dup >magic @ <fwd> <> IF 2drop EXIT THEN
1789: swap >r >link
1790: BEGIN dup @ dup ( addr last this )
1791: WHILE dup >taddr @ r@ =
1792: IF @ over !
1793: ELSE nip THEN
1794: REPEAT rdrop 2drop
1.53 jwilke 1795: ;
1.48 anton 1796:
1.52 jwilke 1797: Defer resolve-warning
1.1 anton 1798:
1.52 jwilke 1799: : reswarn-test ( ghost res-struct -- ghost res-struct )
1.78 jwilke 1800: over cr ." Resolving " .ghost dup ." in " >ghost @ .ghost ;
1.1 anton 1801:
1.52 jwilke 1802: : reswarn-forward ( ghost res-struct -- ghost res-struct )
1.78 jwilke 1803: over warnhead .ghost dup ." is referenced in "
1804: >ghost @ .ghost ;
1.1 anton 1805:
1.52 jwilke 1806: \ ' reswarn-test IS resolve-warning
1807:
1.1 anton 1808: \ resolve 14oct92py
1809:
1.54 pazsan 1810: : resolve-loop ( ghost resolve-list tcfa -- )
1811: >r
1812: BEGIN dup WHILE
1813: \ dup >tag @ 2 = IF reswarn-forward THEN
1814: resolve-warning
1815: r@ over >taddr @
1816: 2 pick >tag @
1817: CASE 0 OF colon-resolve ENDOF
1818: 1 OF addr-resolve ENDOF
1819: 2 OF doer-resolve ENDOF
1820: ENDCASE
1821: @ \ next list element
1822: REPEAT 2drop rdrop
1823: ;
1.52 jwilke 1824:
1825: \ : resolve-loop ( ghost tcfa -- ghost tcfa )
1826: \ >r dup >link @
1827: \ BEGIN dup WHILE dup T @ H r@ rot T ! H REPEAT drop r> ;
1.1 anton 1828:
1829: \ exists 9may93jaw
1830:
1.103 jwilke 1831: : exists ( ghost tcfa -- )
1832: \G print warning and set new target link in ghost
1833: swap exists-warning
1834: >link ! ;
1.52 jwilke 1835:
1.105 jwilke 1836: : colon-resolved ( ghost -- )
1.121 jwilke 1837: \ compiles a call to a colon definition,
1838: \ compile action for >comp field
1839: >link @ colon, ;
1.105 jwilke 1840:
1841: : prim-resolved ( ghost -- )
1.121 jwilke 1842: \ compiles a call to a primitive
1.105 jwilke 1843: >link @ prim, ;
1844:
1.121 jwilke 1845: : (is-forward) ( ghost -- )
1846: colonmark, 0 (refered) ; \ compile space for call
1847: ' (is-forward) IS is-forward
1848:
1.118 pazsan 1849: 0 Value resolved
1.1 anton 1850:
1.122 jwilke 1851: : resolve-forward-references ( ghost resolve-list -- )
1852: \ loop through forward referencies
1853: comp-state @ >r Resolving comp-state !
1854: over >link @ resolve-loop
1855: r> comp-state !
1856:
1857: ['] noop IS resolve-warning ;
1858:
1859:
1860: : (resolve) ( ghost tcfa -- ghost resolve-list )
1861: \ check for a valid address, it is a primitive reference
1862: \ otherwise
1.103 jwilke 1863: dup taddr>region 0<> IF
1.122 jwilke 1864: \ define this address in the region address type table
1.103 jwilke 1865: 2dup (>regiontype) define-addr-struct addr-xt-ghost
1866: \ we define new address only if empty
1.105 jwilke 1867: \ this is for not to take over the alias ghost
1868: \ (different ghost, but identical xt)
1.103 jwilke 1869: \ but the very first that really defines it
1870: dup @ 0= IF ! ELSE 2drop THEN
1871: THEN
1.122 jwilke 1872: swap >r
1.118 pazsan 1873: r@ to resolved
1.121 jwilke 1874:
1875: \ r@ >comp @ ['] is-forward =
1876: \ ABORT" >comp action not set on a resolved ghost"
1877:
1878: \ copmile action defaults to colon-resolved
1879: \ if this is not right something must be set before
1880: \ calling resolve
1881: r@ >comp @ ['] is-forward = IF
1.122 jwilke 1882: ['] colon-resolved r@ >comp !
1883: THEN
1884: r@ >link @ swap \ ( list tcfa R: ghost )
1885: \ mark ghost as resolved
1886: r@ >link ! <res> r@ >magic !
1887: r> swap ;
1.54 pazsan 1888:
1.122 jwilke 1889: : resolve ( ghost tcfa -- )
1890: \G resolve referencies to ghost with tcfa
1891: \ is ghost resolved?, second resolve means another
1892: \ definition with the same name
1893: over undefined? 0= IF exists EXIT THEN
1894: (resolve)
1895: ( ghost resolve-list )
1896: resolve-forward-references ;
1897:
1898: : resolve-noforwards ( ghost tcfa -- )
1899: \G Same as resolve but complain if there are any
1900: \G forward references on this ghost
1901: \ is ghost resolved?, second resolve means another
1902: \ definition with the same name
1903: over undefined? 0= IF exists EXIT THEN
1904: (resolve)
1905: IF cr ." No forward references allowed on: " .ghost cr
1906: -1 ABORT" Illegal forward reference"
1907: THEN
1908: drop ;
1.1 anton 1909:
1910: \ gexecute ghost, 01nov92py
1911:
1.103 jwilke 1912: : (gexecute) ( ghost -- )
1.105 jwilke 1913: dup >comp @ EXECUTE ;
1.103 jwilke 1914:
1915: : gexecute ( ghost -- )
1.120 jwilke 1916: dup >magic @ <imm> = ABORT" CROSS: gexecute on immediate word"
1.103 jwilke 1917: (gexecute) ;
1.52 jwilke 1918:
1919: : addr, ( ghost -- )
1.105 jwilke 1920: dup forward? IF 1 refered 0 T a, H ELSE >link @ T a, H THEN ;
1.52 jwilke 1921:
1.1 anton 1922: \ .unresolved 11may93jaw
1923:
1924: variable ResolveFlag
1925:
1926: \ ?touched 11may93jaw
1927:
1.52 jwilke 1928: : ?touched ( ghost -- flag ) dup forward? swap >link @
1.1 anton 1929: 0 <> and ;
1930:
1.53 jwilke 1931: : .forwarddefs ( ghost -- )
1.103 jwilke 1932: ." appeared in:"
1933: >link
1934: BEGIN @ dup
1935: WHILE cr 5 spaces
1936: dup >ghost @ .ghost
1937: ." file " dup >file @ ?dup IF count type ELSE ." CON" THEN
1938: ." line " dup >line @ .dec
1939: REPEAT
1940: drop ;
1941:
1942: : ?resolved ( ghost -- )
1943: dup ?touched
1944: IF ResolveFlag on
1945: dup cr .ghost .forwarddefs
1.53 jwilke 1946: ELSE drop
1947: THEN ;
1.1 anton 1948:
1949: : .unresolved ( -- )
1950: ResolveFlag off cr ." Unresolved: "
1.103 jwilke 1951: ghost-list
1.1 anton 1952: BEGIN @ dup
1953: WHILE dup ?resolved
1.10 anton 1954: REPEAT drop ResolveFlag @
1955: IF
1.48 anton 1956: -1 abort" Unresolved words!"
1.10 anton 1957: ELSE
1958: ." Nothing!"
1959: THEN
1960: cr ;
1.1 anton 1961:
1.52 jwilke 1962: : .stats
1963: base @ >r decimal
1964: cr ." named Headers: " headers-named @ .
1965: r> base ! ;
1966:
1.79 jwilke 1967: >MINIMAL
1968:
1969: : .unresolved .unresolved ;
1970:
1.1 anton 1971: >CROSS
1972: \ Header states 12dec92py
1973:
1.102 jwilke 1974: \ : flag! ( 8b -- ) tlast @ dup >r T c@ xor r> c! H ;
1.90 pazsan 1975: bigendian [IF] 0 [ELSE] tcell 1- [THEN] Constant flag+
1976: : flag! ( w -- ) tlast @ flag+ + dup >r T c@ xor r> c! H ;
1.1 anton 1977:
1978: VARIABLE ^imm
1979:
1.105 jwilke 1980: \ !! should be target wordsize specific
1981: $80 constant alias-mask
1982: $40 constant immediate-mask
1983: $20 constant restrict-mask
1984:
1.1 anton 1985: >TARGET
1.105 jwilke 1986: : immediate immediate-mask flag!
1.18 pazsan 1987: ^imm @ @ dup <imm> = IF drop EXIT THEN
1.1 anton 1988: <res> <> ABORT" CROSS: Cannot immediate a unresolved word"
1989: <imm> ^imm @ ! ;
1.105 jwilke 1990: : restrict restrict-mask flag! ;
1.52 jwilke 1991:
1.54 pazsan 1992: : isdoer
1993: \G define a forth word as doer, this makes obviously only sence on
1994: \G forth processors such as the PSC1000
1995: <do:> last-header-ghost @ >magic ! ;
1.1 anton 1996: >CROSS
1997:
1998: \ Target Header Creation 01nov92py
1999:
1.103 jwilke 2000: : ht-lstring, ( addr count -- )
1.102 jwilke 2001: dup T , H bounds ?DO I c@ T c, H LOOP ;
2002:
1.103 jwilke 2003: >TARGET
2004: : name, ( "name" -- ) bl word count ht-lstring, X cfalign ;
1.1 anton 2005: : view, ( -- ) ( dummy ) ;
1.52 jwilke 2006: >CROSS
1.1 anton 2007:
1.25 pazsan 2008: \ Target Document Creation (goes to crossdoc.fd) 05jul95py
2009:
1.55 pazsan 2010: s" ./doc/crossdoc.fd" r/w create-file throw value doc-file-id
1.25 pazsan 2011: \ contains the file-id of the documentation file
2012:
1.40 pazsan 2013: : T-\G ( -- )
1.25 pazsan 2014: source >in @ /string doc-file-id write-line throw
1.40 pazsan 2015: postpone \ ;
1.25 pazsan 2016:
1.39 pazsan 2017: Variable to-doc to-doc on
1.25 pazsan 2018:
2019: : cross-doc-entry ( -- )
2020: to-doc @ tlast @ 0<> and \ not an anonymous (i.e. noname) header
2021: IF
2022: s" " doc-file-id write-line throw
2023: s" make-doc " doc-file-id write-file throw
1.102 jwilke 2024:
1.105 jwilke 2025: Last-Header-Ghost @ >ghostname doc-file-id write-file throw
1.25 pazsan 2026: >in @
2027: [char] ( parse 2drop
2028: [char] ) parse doc-file-id write-file throw
2029: s" )" doc-file-id write-file throw
2030: [char] \ parse 2drop
1.40 pazsan 2031: T-\G
1.25 pazsan 2032: >in !
1.39 pazsan 2033: THEN ;
1.25 pazsan 2034:
1.28 pazsan 2035: \ Target TAGS creation
2036:
1.39 pazsan 2037: s" kernel.TAGS" r/w create-file throw value tag-file-id
1.116 pazsan 2038: s" kernel.tags" r/w create-file throw value vi-tag-file-id
1.28 pazsan 2039: \ contains the file-id of the tags file
2040:
2041: Create tag-beg 2 c, 7F c, bl c,
2042: Create tag-end 2 c, bl c, 01 c,
2043: Create tag-bof 1 c, 0C c,
1.116 pazsan 2044: Create tag-tab 1 c, 09 c,
1.28 pazsan 2045:
2046: 2variable last-loadfilename 0 0 last-loadfilename 2!
2047:
2048: : put-load-file-name ( -- )
1.77 jwilke 2049: sourcefilename last-loadfilename 2@ d<>
1.28 pazsan 2050: IF
2051: tag-bof count tag-file-id write-line throw
1.31 anton 2052: sourcefilename 2dup
1.28 pazsan 2053: tag-file-id write-file throw
2054: last-loadfilename 2!
2055: s" ,0" tag-file-id write-line throw
2056: THEN ;
2057:
1.116 pazsan 2058: : cross-gnu-tag-entry ( -- )
1.28 pazsan 2059: tlast @ 0<> \ not an anonymous (i.e. noname) header
2060: IF
2061: put-load-file-name
2062: source >in @ min tag-file-id write-file throw
2063: tag-beg count tag-file-id write-file throw
1.116 pazsan 2064: Last-Header-Ghost @ >ghostname tag-file-id write-file throw
1.28 pazsan 2065: tag-end count tag-file-id write-file throw
1.31 anton 2066: base @ decimal sourceline# 0 <# #s #> tag-file-id write-file throw
1.28 pazsan 2067: \ >in @ 0 <# #s [char] , hold #> tag-file-id write-line throw
2068: s" ,0" tag-file-id write-line throw
2069: base !
2070: THEN ;
1.116 pazsan 2071:
2072: : cross-vi-tag-entry ( -- )
2073: tlast @ 0<> \ not an anonymous (i.e. noname) header
2074: IF
2075: sourcefilename vi-tag-file-id write-file throw
2076: tag-tab count vi-tag-file-id write-file throw
2077: Last-Header-Ghost @ >ghostname vi-tag-file-id write-file throw
2078: tag-tab count vi-tag-file-id write-file throw
2079: s" /^" vi-tag-file-id write-file throw
2080: source vi-tag-file-id write-file throw
2081: s" $/" vi-tag-file-id write-line throw
2082: THEN ;
2083:
2084: : cross-tag-entry ( -- )
2085: cross-gnu-tag-entry
2086: cross-vi-tag-entry ;
1.28 pazsan 2087:
1.43 pazsan 2088: \ Check for words
2089:
2090: Defer skip? ' false IS skip?
2091:
1.103 jwilke 2092: : skipdef ( "name" -- )
1.79 jwilke 2093: \G skip definition of an undefined word in undef-words and
2094: \G all-words mode
1.103 jwilke 2095: Ghost dup forward?
1.75 jwilke 2096: IF >magic <skip> swap !
2097: ELSE drop THEN ;
2098:
1.103 jwilke 2099: : tdefined? ( "name" -- flag )
2100: Ghost undefined? 0= ;
1.75 jwilke 2101:
1.103 jwilke 2102: : defined2? ( "name" -- flag )
1.75 jwilke 2103: \G return true for anything else than forward, even for <skip>
2104: \G that's what we want
1.103 jwilke 2105: Ghost forward? 0= ;
1.43 pazsan 2106:
1.103 jwilke 2107: : forced? ( "name" -- flag )
1.79 jwilke 2108: \G return ture if it is a foreced skip with defskip
1.103 jwilke 2109: Ghost >magic @ <skip> = ;
1.79 jwilke 2110:
1.43 pazsan 2111: : needed? ( -- flag ) \ name
1.48 anton 2112: \G returns a false flag when
2113: \G a word is not defined
2114: \G a forward reference exists
2115: \G so the definition is not skipped!
2116: bl word gfind
1.75 jwilke 2117: IF dup undefined?
1.48 anton 2118: nip
2119: 0=
2120: ELSE drop true THEN ;
1.43 pazsan 2121:
1.44 pazsan 2122: : doer? ( -- flag ) \ name
1.103 jwilke 2123: Ghost >magic @ <do:> = ;
1.44 pazsan 2124:
1.43 pazsan 2125: : skip-defs ( -- )
2126: BEGIN refill WHILE source -trailing nip 0= UNTIL THEN ;
2127:
1.28 pazsan 2128: \ Target header creation
2129:
1.54 pazsan 2130: Variable NoHeaderFlag
2131: NoHeaderFlag off
1.1 anton 2132:
1.54 pazsan 2133: : 0.r ( n1 n2 -- )
2134: base @ >r hex
2135: 0 swap <# 0 ?DO # LOOP #> type
2136: r> base ! ;
1.84 jwilke 2137:
2138: : .sym ( adr len -- )
2139: \G escapes / and \ to produce sed output
1.52 jwilke 2140: bounds
2141: DO I c@ dup
1.77 jwilke 2142: CASE [char] / OF drop ." \/" ENDOF
2143: [char] \ OF drop ." \\" ENDOF
1.52 jwilke 2144: dup OF emit ENDOF
2145: ENDCASE
1.54 pazsan 2146: LOOP ;
1.52 jwilke 2147:
1.103 jwilke 2148: Defer setup-execution-semantics
2149: 0 Value lastghost
2150:
2151: : (THeader ( "name" -- ghost )
1.54 pazsan 2152: \ >in @ bl word count type 2 spaces >in !
2153: \ wordheaders will always be compiled to rom
2154: switchrom
2155: \ build header in target
2156: NoHeaderFlag @
2157: IF NoHeaderFlag off
2158: ELSE
2159: T align H view,
1.78 jwilke 2160: tlast @ dup 0> IF tcell - THEN T A, H there tlast !
1.54 pazsan 2161: 1 headers-named +! \ Statistic
2162: >in @ T name, H >in !
2163: THEN
2164: T cfalign here H tlastcfa !
1.84 jwilke 2165: \ Old Symbol table sed-script
1.54 pazsan 2166: \ >in @ cr ." sym:s/CFA=" there 4 0.r ." /" bl word count .sym ." /g" cr >in !
1.103 jwilke 2167: HeaderGhost
1.84 jwilke 2168: \ output symbol table to extra file
1.123 ! jwilke 2169: dup >ghostname there symentry
1.103 jwilke 2170: dup Last-Header-Ghost ! dup to lastghost
1.54 pazsan 2171: dup >magic ^imm ! \ a pointer for immediate
1.105 jwilke 2172: alias-mask flag!
1.103 jwilke 2173: cross-doc-entry cross-tag-entry
2174: setup-execution-semantics
2175: ;
1.1 anton 2176:
1.52 jwilke 2177: \ this is the resolver information from ":"
2178: \ resolving is done by ";"
1.103 jwilke 2179: Variable ;Resolve 1 cells allot
2180:
2181: : hereresolve ( ghost -- )
2182: there resolve 0 ;Resolve ! ;
1.1 anton 2183:
1.11 pazsan 2184: : Theader ( "name" -- ghost )
1.103 jwilke 2185: (THeader dup hereresolve ;
2186:
2187: Variable aprim-nr -20 aprim-nr !
2188:
2189: : copy-execution-semantics ( ghost-from ghost-dest -- )
2190: >r
2191: dup >exec @ r@ >exec !
1.117 pazsan 2192: dup >comp @ r@ >comp !
1.103 jwilke 2193: dup >exec2 @ r@ >exec2 !
2194: dup >exec-compile @ r@ >exec-compile !
2195: dup >ghost-xt @ r@ >ghost-xt !
2196: dup >created @ r@ >created !
2197: rdrop drop ;
1.1 anton 2198:
2199: >TARGET
1.103 jwilke 2200:
1.1 anton 2201: : Alias ( cfa -- ) \ name
1.103 jwilke 2202: >in @ skip? IF 2drop EXIT THEN >in !
2203: (THeader ( S xt ghost )
1.105 jwilke 2204: 2dup swap xt>ghost swap copy-execution-semantics
2205: over resolve T A, H alias-mask flag! ;
1.103 jwilke 2206:
2207: Variable last-prim-ghost
2208: 0 last-prim-ghost !
2209:
2210: : asmprimname, ( ghost -- : name )
2211: dup last-prim-ghost !
2212: >r
2213: here bl word count string, r@ >asm-name !
2214: aprim-nr @ r> >asm-dummyaddr ! ;
2215:
2216: Defer setup-prim-semantics
2217:
1.112 jwilke 2218: : mapprim ( "forthname" "asmlabel" -- )
1.103 jwilke 2219: THeader -1 aprim-nr +! aprim-nr @ T A, H
2220: asmprimname,
2221: setup-prim-semantics ;
2222:
1.112 jwilke 2223: : mapprim: ( "forthname" "asmlabel" -- )
1.103 jwilke 2224: -1 aprim-nr +! aprim-nr @
1.122 jwilke 2225: Ghost tuck swap resolve-noforwards <do:> swap tuck >magic !
1.103 jwilke 2226: asmprimname, ;
2227:
1.119 pazsan 2228: : Doer: ( cfa -- ) \ name
1.103 jwilke 2229: >in @ skip? IF 2drop EXIT THEN >in !
2230: dup 0< s" prims" T $has? H 0= and
2231: IF
2232: .sourcepos ." needs doer: " >in @ bl word count type >in ! cr
2233: THEN
1.119 pazsan 2234: Ghost
1.122 jwilke 2235: tuck swap resolve-noforwards <do:> swap >magic ! ;
1.64 pazsan 2236:
2237: Variable prim#
2238: : first-primitive ( n -- ) prim# ! ;
2239: : Primitive ( -- ) \ name
1.117 pazsan 2240: >in @ skip? IF drop EXIT THEN >in !
2241: s" prims" T $has? H 0=
1.103 jwilke 2242: IF
2243: .sourcepos ." needs prim: " >in @ bl word count type >in ! cr
2244: THEN
2245: prim# @ (THeader ( S xt ghost )
1.121 jwilke 2246: ['] prim-resolved over >comp !
1.105 jwilke 2247: dup >ghost-flags <primitive> set-flag
1.122 jwilke 2248: over resolve-noforwards T A, H alias-mask flag!
1.103 jwilke 2249: -1 prim# +! ;
1.1 anton 2250: >CROSS
2251:
2252: \ Conditionals and Comments 11may93jaw
2253:
1.103 jwilke 2254: \G saves the existing cond action, this is used for redefining in
2255: \G instant
2256: Variable cond-xt-old
2257:
2258: : cond-target ( -- )
2259: \G Compiles semantic of redefined cond into new one
2260: cond-xt-old @ compile, ; immediate restrict
2261:
1.1 anton 2262: : ;Cond
2263: postpone ;
2264: swap ! ; immediate
2265:
1.103 jwilke 2266: : Cond: ( "name" -- )
2267: \g defines a conditional or another word that must
2268: \g be executed directly while compiling
2269: \g these words have no interpretative semantics by default
2270: Ghost
2271: >exec-compile
2272: dup @ cond-xt-old !
1.1 anton 2273: :NONAME ;
2274:
2275:
2276: : Comment ( -- )
1.103 jwilke 2277: >in @ Ghost swap >in ! ' swap
2278: 2dup >exec-compile ! >exec ! ;
1.1 anton 2279:
2280: Comment ( Comment \
2281:
2282: \ compile 10may93jaw
2283:
1.103 jwilke 2284: : compile ( "name" -- ) \ name
1.115 jwilke 2285: findghost
1.103 jwilke 2286: dup >exec-compile @ ?dup
2287: IF nip compile,
2288: ELSE postpone literal postpone gexecute THEN ; immediate restrict
2289:
1.52 jwilke 2290: >TARGET
2291:
1.105 jwilke 2292: : ' ( -- xt )
2293: \G returns the target-cfa of a ghost
1.52 jwilke 2294: bl word gfind 0= ABORT" CROSS: Ghost don't exists"
1.105 jwilke 2295: g>xt ;
1.52 jwilke 2296:
1.103 jwilke 2297: \ FIXME: this works for the current use cases, but is not
2298: \ in all cases correct ;-)
2299: : comp' X ' 0 ;
2300:
1.52 jwilke 2301: Cond: ['] T ' H alit, ;Cond
2302:
2303: >CROSS
2304:
2305: : [T']
2306: \ returns the target-cfa of a ghost, or compiles it as literal
1.115 jwilke 2307: postpone [G']
2308: state @ IF postpone g>xt ELSE g>xt THEN ; immediate
1.42 pazsan 2309:
1.52 jwilke 2310: \ \ threading modell 13dec92py
2311: \ modularized 14jun97jaw
2312:
1.106 jwilke 2313: T 2 cells H Value xt>body
1.52 jwilke 2314:
1.103 jwilke 2315: : (>body) ( cfa -- pfa )
1.105 jwilke 2316: xt>body + ; ' (>body) plugin-of t>body
2317:
2318: : fillcfa ( usedcells -- )
1.106 jwilke 2319: T cells H xt>body swap -
1.105 jwilke 2320: assert1( dup 0 >= )
2321: 0 ?DO 0 X c, tchar +LOOP ;
1.52 jwilke 2322:
1.103 jwilke 2323: : (doer,) ( ghost -- )
1.105 jwilke 2324: addr, 1 fillcfa ; ' (doer,) plugin-of doer,
1.52 jwilke 2325:
1.105 jwilke 2326: : (docol,) ( -- ) [G'] :docol (doer,) ; ' (docol,) plugin-of docol,
1.52 jwilke 2327:
1.121 jwilke 2328: ' NOOP plugin-of ca>native
2329:
1.52 jwilke 2330: : (doprim,) ( -- )
1.105 jwilke 2331: there xt>body + ca>native T a, H 1 fillcfa ; ' (doprim,) plugin-of doprim,
1.52 jwilke 2332:
2333: : (doeshandler,) ( -- )
1.119 pazsan 2334: T cfalign H [G'] :doesjump addr, T 0 , H ; ' (doeshandler,) plugin-of doeshandler,
1.52 jwilke 2335:
2336: : (dodoes,) ( does-action-ghost -- )
1.119 pazsan 2337: ]comp [G'] :dodoes addr, comp[
1.52 jwilke 2338: addr,
1.103 jwilke 2339: \ the relocator in the c engine, does not like the
2340: \ does-address to marked for relocation
2341: [ T e? ec H 0= [IF] ] T here H tcell - reloff [ [THEN] ]
1.105 jwilke 2342: 2 fillcfa ; ' (dodoes,) plugin-of dodoes,
1.52 jwilke 2343:
1.107 jwilke 2344: : (dlit,) ( n -- ) compile lit td, ; ' (dlit,) plugin-of dlit,
2345:
2346: : (lit,) ( n -- ) s>d dlit, ; ' (lit,) plugin-of lit,
1.52 jwilke 2347:
1.67 jwilke 2348: \ if we dont produce relocatable code alit, defaults to lit, jaw
1.84 jwilke 2349: \ this is just for convenience, so we don't have to define alit,
2350: \ seperately for embedded systems....
2351: T has? relocate H
1.67 jwilke 2352: [IF]
1.105 jwilke 2353: : (alit,) ( n -- ) compile lit T a, H ; ' (alit,) plugin-of alit,
1.67 jwilke 2354: [ELSE]
1.105 jwilke 2355: : (alit,) ( n -- ) lit, ; ' (alit,) plugin-of alit,
1.67 jwilke 2356: [THEN]
1.52 jwilke 2357:
1.105 jwilke 2358: : (fini,) compile ;s ; ' (fini,) plugin-of fini,
1.42 pazsan 2359:
1.43 pazsan 2360: [IFUNDEF] (code)
2361: Defer (code)
2362: Defer (end-code)
2363: [THEN]
2364:
1.1 anton 2365: >TARGET
1.43 pazsan 2366: : Code
1.52 jwilke 2367: defempty?
1.121 jwilke 2368: (THeader ( ghost )
2369: ['] prim-resolved over >comp !
1.122 jwilke 2370: there resolve-noforwards
1.121 jwilke 2371:
1.53 jwilke 2372: [ T e? prims H 0= [IF] T e? ITC H [ELSE] true [THEN] ] [IF]
1.52 jwilke 2373: doprim,
1.48 anton 2374: [THEN]
2375: depth (code) ;
1.43 pazsan 2376:
1.121 jwilke 2377: \ FIXME : no-compile -1 ABORT" this ghost is not for compilation" ;
2378:
1.43 pazsan 2379: : Code:
1.52 jwilke 2380: defempty?
1.121 jwilke 2381: Ghost >r
1.123 ! jwilke 2382: r@ >ghostname there symentry
1.122 jwilke 2383: r@ there ca>native resolve-noforwards
1.121 jwilke 2384: <do:> r@ >magic !
2385: r> drop
1.43 pazsan 2386: depth (code) ;
2387:
2388: : end-code
1.52 jwilke 2389: (end-code)
1.43 pazsan 2390: depth ?dup IF 1- <> ABORT" CROSS: Stack changed"
2391: ELSE true ABORT" CROSS: Stack empty" THEN
1.52 jwilke 2392: ;
1.14 anton 2393:
1.1 anton 2394: >CROSS
1.52 jwilke 2395:
1.1 anton 2396: \ tLiteral 12dec92py
2397:
2398: >TARGET
1.40 pazsan 2399: Cond: \G T-\G ;Cond
2400:
1.105 jwilke 2401: Cond: Literal ( n -- ) lit, ;Cond
1.103 jwilke 2402: Cond: ALiteral ( n -- ) alit, ;Cond
1.1 anton 2403:
2404: : Char ( "<char>" -- ) bl word char+ c@ ;
1.103 jwilke 2405: Cond: [Char] ( "<char>" -- ) Char lit, ;Cond
2406:
1.104 jwilke 2407: tchar 1 = [IF]
1.110 jwilke 2408: Cond: chars ;Cond
1.104 jwilke 2409: [THEN]
1.1 anton 2410:
1.43 pazsan 2411: \ some special literals 27jan97jaw
2412:
1.52 jwilke 2413: \ !! Known Bug: Special Literals and plug-ins work only correct
1.102 jwilke 2414: \ on 16 and 32 Bit Targets and 32 Bit Hosts!
1.52 jwilke 2415:
1.107 jwilke 2416: \ This section could be done with dlit, now. But first I need
2417: \ some test code JAW
2418:
1.43 pazsan 2419: Cond: MAXU
1.102 jwilke 2420: tcell 1 cells u>
2421: IF compile lit tcell 0 ?DO FF T c, H LOOP
2422: ELSE ffffffff lit, THEN
1.52 jwilke 2423: ;Cond
1.43 pazsan 2424:
2425: Cond: MINI
1.102 jwilke 2426: tcell 1 cells u>
2427: IF compile lit bigendian
2428: IF 80 T c, H tcell 1 ?DO 0 T c, H LOOP
2429: ELSE tcell 1 ?DO 0 T c, H LOOP 80 T c, H
2430: THEN
2431: ELSE tcell 2 = IF 8000 ELSE 80000000 THEN lit, THEN
1.52 jwilke 2432: ;Cond
1.43 pazsan 2433:
2434: Cond: MAXI
1.102 jwilke 2435: tcell 1 cells u>
2436: IF compile lit bigendian
2437: IF 7F T c, H tcell 1 ?DO FF T c, H LOOP
2438: ELSE tcell 1 ?DO FF T c, H LOOP 7F T c, H
2439: THEN
2440: ELSE tcell 2 = IF 7fff ELSE 7fffffff THEN lit, THEN
1.43 pazsan 2441: ;Cond
2442:
1.1 anton 2443: >CROSS
1.115 jwilke 2444:
1.1 anton 2445: \ Target compiling loop 12dec92py
2446: \ ">tib trick thrown out 10may93jaw
2447: \ number? defined at the top 11may93jaw
1.77 jwilke 2448: \ replaced >in by save-input
2449:
2450: : discard 0 ?DO drop LOOP ;
1.1 anton 2451:
2452: \ compiled word might leave items on stack!
1.77 jwilke 2453: : tcom ( x1 .. xn n name -- )
2454: \ dup count type space
1.103 jwilke 2455: gfind
2456: IF >r ( discard saved input state ) discard r>
2457: dup >exec-compile @ ?dup
2458: IF nip execute-exec-compile ELSE gexecute THEN
1.77 jwilke 2459: EXIT
2460: THEN
2461: number? dup
2462: IF 0> IF swap lit, THEN lit, discard
1.103 jwilke 2463: ELSE 2drop restore-input throw Ghost gexecute THEN ;
1.1 anton 2464:
2465: \ : ; DOES> 13dec92py
2466: \ ] 9may93py/jaw
2467:
1.115 jwilke 2468: >CROSS
2469:
1.105 jwilke 2470: : compiling-state ( -- )
2471: \G set states to compililng
1.54 pazsan 2472: Compiling comp-state !
1.103 jwilke 2473: \ if we have a state in target, change it with the compile state
1.105 jwilke 2474: [G'] state dup undefined? 0=
2475: IF >ghost-xt @ execute X on ELSE drop THEN ;
2476:
2477: : interpreting-state ( -- )
2478: \G set states to interpreting
2479: \ if target has a state variable, change it according to our state
2480: [G'] state dup undefined? 0=
2481: IF >ghost-xt @ execute X off ELSE drop THEN
2482: Interpreting comp-state ! ;
1.115 jwilke 2483:
2484: >TARGET
1.105 jwilke 2485:
2486: : ]
2487: compiling-state
1.1 anton 2488: BEGIN
1.77 jwilke 2489: BEGIN save-input bl word
2490: dup c@ 0= WHILE drop discard refill 0=
1.1 anton 2491: ABORT" CROSS: End of file while target compiling"
2492: REPEAT
2493: tcom
1.103 jwilke 2494: compiling? 0=
1.1 anton 2495: UNTIL ;
2496:
2497: \ by the way: defining a second interpreter (a compiler-)loop
2498: \ is not allowed if a system should be ans conform
2499:
1.110 jwilke 2500: : (:) ( ghost -- )
2501: \ common factor of : and :noname. Prepare ;Resolve and start definition
2502: ;Resolve ! there ;Resolve cell+ !
2503: docol, ]comp colon-start depth T ] H ;
2504:
1.1 anton 2505: : : ( -- colon-sys ) \ Name
1.52 jwilke 2506: defempty?
2507: constflag off \ don't let this flag work over colon defs
2508: \ just to go sure nothing unwanted happens
1.43 pazsan 2509: >in @ skip? IF drop skip-defs EXIT THEN >in !
1.110 jwilke 2510: (THeader (:) ;
1.1 anton 2511:
1.37 pazsan 2512: : :noname ( -- colon-sys )
1.110 jwilke 2513: X cfalign there
2514: \ define a nameless ghost
2515: here ghostheader dup last-header-ghost ! dup to lastghost
2516: (:) ;
1.37 pazsan 2517:
1.103 jwilke 2518: Cond: EXIT ( -- ) compile ;S ;Cond
1.6 anton 2519:
2520: Cond: ?EXIT ( -- ) 1 abort" CROSS: using ?exit" ;Cond
1.2 pazsan 2521:
1.52 jwilke 2522: >CROSS
2523: : LastXT ;Resolve @ 0= abort" CROSS: no definition for LastXT"
2524: ;Resolve cell+ @ ;
2525:
2526: >TARGET
2527:
1.103 jwilke 2528: Cond: recurse ( -- ) Last-Header-Ghost @ gexecute ;Cond
1.52 jwilke 2529:
1.103 jwilke 2530: Cond: ; ( -- )
1.105 jwilke 2531: depth ?dup
2532: IF 1- <> ABORT" CROSS: Stack changed"
2533: ELSE true ABORT" CROSS: Stack empty"
2534: THEN
2535: colon-end
2536: fini,
2537: comp[
2538: ;Resolve @
1.118 pazsan 2539: IF ['] colon-resolved ;Resolve @ >comp !
2540: ;Resolve @ ;Resolve cell+ @ resolve
1.105 jwilke 2541: THEN
2542: interpreting-state
2543: ;Cond
2544:
2545: Cond: [ ( -- ) interpreting-state ;Cond
1.1 anton 2546:
2547: >CROSS
1.54 pazsan 2548:
1.117 pazsan 2549: 0 Value created
1.54 pazsan 2550:
1.52 jwilke 2551: : !does ( does-action -- )
1.54 pazsan 2552: tlastcfa @ [G'] :dovar killref
1.117 pazsan 2553: >space here >r ghostheader space>
1.121 jwilke 2554: ['] colon-resolved r@ >comp !
1.117 pazsan 2555: r@ created >do:ghost ! r@ swap resolve
2556: r> tlastcfa @ >tempdp dodoes, tempdp> ;
1.103 jwilke 2557:
2558: Defer instant-interpret-does>-hook
2559:
1.118 pazsan 2560: : does-resolved ( ghost -- )
2561: compile does-exec g>xt T a, H ;
2562:
1.103 jwilke 2563: : resolve-does>-part ( -- )
2564: \ resolve words made by builders
1.105 jwilke 2565: Last-Header-Ghost @ >do:ghost @ ?dup
1.117 pazsan 2566: IF there resolve THEN ;
1.103 jwilke 2567:
1.1 anton 2568: >TARGET
1.103 jwilke 2569: Cond: DOES>
2570: compile (does>) doeshandler,
2571: resolve-does>-part
1.1 anton 2572: ;Cond
1.103 jwilke 2573:
1.118 pazsan 2574: : DOES>
2575: ['] does-resolved created >comp !
2576: switchrom doeshandler, T here H !does
2577: instant-interpret-does>-hook
2578: depth T ] H ;
1.1 anton 2579:
2580: >CROSS
1.108 jwilke 2581: \ Creation 01nov92py
1.1 anton 2582:
2583: \ Builder 11may93jaw
2584:
1.108 jwilke 2585: 0 Value built
2586:
1.105 jwilke 2587: : Builder ( Create-xt do-ghost "name" -- )
1.52 jwilke 2588: \ builds up a builder in current vocabulary
2589: \ create-xt is executed when word is interpreted
1.106 jwilke 2590: \ do:-xt is executed when the created word from builder is executed
1.105 jwilke 2591: \ for do:-xt an additional entry after the normal ghost-entrys is used
1.52 jwilke 2592:
1.109 jwilke 2593: ghost to built
1.108 jwilke 2594: built >created @ 0= IF
2595: built >created on
2596: THEN ;
1.1 anton 2597:
1.52 jwilke 2598: : gdoes, ( ghost -- )
2599: \ makes the codefield for a word that is built
1.103 jwilke 2600: >do:ghost @ dup undefined? 0=
1.52 jwilke 2601: IF
1.42 pazsan 2602: dup >magic @ <do:> =
1.54 pazsan 2603: IF doer,
2604: ELSE dodoes,
2605: THEN
2606: EXIT
1.52 jwilke 2607: THEN
2608: \ compile :dodoes gexecute
2609: \ T here H tcell - reloff
1.54 pazsan 2610: 2 refered
2611: 0 fillcfa
2612: ;
1.1 anton 2613:
1.103 jwilke 2614: : takeover-x-semantics ( S constructor-ghost new-ghost -- )
1.117 pazsan 2615: \g stores execution semantic and compilation semantic in the built word
2616: swap >do:ghost @ 2dup swap >do:ghost !
1.110 jwilke 2617: \ we use the >exec2 field for the semantic of a created word,
2618: \ using exec or exec2 makes no difference for normal cross-compilation
2619: \ but is usefull for instant where the exec field is already
2620: \ defined (e.g. Vocabularies)
1.105 jwilke 2621: 2dup >exec @ swap >exec2 !
2622: >comp @ swap >comp ! ;
1.103 jwilke 2623:
1.118 pazsan 2624: 0 Value createhere
2625:
2626: : create-resolve ( -- )
2627: created createhere resolve 0 ;Resolve ! ;
2628: : create-resolve-immediate ( -- )
2629: create-resolve T immediate H ;
2630:
1.52 jwilke 2631: : TCreate ( <name> -- )
2632: create-forward-warn
2633: IF ['] reswarn-forward IS resolve-warning THEN
1.103 jwilke 2634: executed-ghost @ (Theader
1.117 pazsan 2635: dup >created on dup to created
1.118 pazsan 2636: 2dup takeover-x-semantics
2637: there to createhere drop gdoes, ;
1.52 jwilke 2638:
2639: : RTCreate ( <name> -- )
2640: \ creates a new word with code-field in ram
2641: create-forward-warn
2642: IF ['] reswarn-forward IS resolve-warning THEN
2643: \ make Alias
1.103 jwilke 2644: executed-ghost @ (THeader
1.118 pazsan 2645: dup >created on dup to created
1.103 jwilke 2646: 2dup takeover-x-semantics
1.105 jwilke 2647: there 0 T a, H alias-mask flag!
1.103 jwilke 2648: \ store poiter to code-field
1.52 jwilke 2649: switchram T cfalign H
2650: there swap T ! H
2651: there tlastcfa !
1.118 pazsan 2652: there to createhere drop gdoes, ;
1.1 anton 2653:
2654: : Build: ( -- [xt] [colon-sys] )
1.52 jwilke 2655: :noname postpone TCreate ;
2656:
2657: : BuildSmart: ( -- [xt] [colon-sys] )
2658: :noname
1.53 jwilke 2659: [ T has? rom H [IF] ]
1.52 jwilke 2660: postpone RTCreate
2661: [ [ELSE] ]
2662: postpone TCreate
2663: [ [THEN] ] ;
1.1 anton 2664:
1.108 jwilke 2665: : ;Build
1.118 pazsan 2666: postpone create-resolve postpone ; built >exec ! ; immediate
2667:
2668: : ;Build-immediate
2669: postpone create-resolve-immediate
2670: postpone ; built >exec ! ; immediate
1.108 jwilke 2671:
1.1 anton 2672: : gdoes> ( ghost -- addr flag )
1.110 jwilke 2673: executed-ghost @ g>body ;
1.1 anton 2674:
2675: \ DO: ;DO 11may93jaw
2676:
1.108 jwilke 2677: : do:ghost! ( ghost -- ) built >do:ghost ! ;
2678: : doexec! ( xt -- ) built >do:ghost @ >exec ! ;
2679:
2680: : DO: ( -- [xt] [colon-sys] )
2681: here ghostheader do:ghost!
1.110 jwilke 2682: :noname postpone gdoes> ;
1.1 anton 2683:
1.108 jwilke 2684: : by: ( -- [xt] [colon-sys] ) \ name
2685: Ghost do:ghost!
1.110 jwilke 2686: :noname postpone gdoes> ;
1.42 pazsan 2687:
1.108 jwilke 2688: : ;DO ( [xt] [colon-sys] -- )
2689: postpone ; doexec! ; immediate
1.1 anton 2690:
1.109 jwilke 2691: : by ( -- ) \ Name
1.108 jwilke 2692: Ghost >do:ghost @ do:ghost! ;
1.107 jwilke 2693:
1.109 jwilke 2694: : compile: ( --[xt] [colon-sys] )
1.107 jwilke 2695: \G defines a compile time action for created words
2696: \G by this builder
2697: :noname ;
2698:
1.109 jwilke 2699: : ;compile ( [xt] [colon-sys] -- )
2700: postpone ; built >do:ghost @ >comp ! ; immediate
1.107 jwilke 2701:
1.1 anton 2702: \ Variables and Constants 05dec92py
2703:
1.108 jwilke 2704: Builder (Constant)
2705: Build: ( n -- ) ;Build
1.103 jwilke 2706: by: :docon ( target-body-addr -- n ) T @ H ;DO
1.52 jwilke 2707:
1.108 jwilke 2708: Builder Constant
2709: Build: ( n -- ) T , H ;Build
1.52 jwilke 2710: by (Constant)
2711:
1.108 jwilke 2712: Builder AConstant
2713: Build: ( n -- ) T A, H ;Build
1.52 jwilke 2714: by (Constant)
2715:
1.108 jwilke 2716: Builder 2Constant
2717: Build: ( d -- ) T , , H ;Build
1.52 jwilke 2718: DO: ( ghost -- d ) T dup cell+ @ swap @ H ;DO
2719:
1.108 jwilke 2720: Builder Create
2721: BuildSmart: ;Build
1.103 jwilke 2722: by: :dovar ( target-body-addr -- addr ) ;DO
1.1 anton 2723:
1.108 jwilke 2724: Builder Variable
1.53 jwilke 2725: T has? rom H [IF]
1.108 jwilke 2726: Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 , H ( switchrom ) ;Build
1.52 jwilke 2727: by (Constant)
2728: [ELSE]
1.108 jwilke 2729: Build: T 0 , H ;Build
1.1 anton 2730: by Create
1.52 jwilke 2731: [THEN]
1.1 anton 2732:
1.108 jwilke 2733: Builder 2Variable
1.53 jwilke 2734: T has? rom H [IF]
1.108 jwilke 2735: Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 , 0 , H ( switchrom ) ;Build
1.54 pazsan 2736: by (Constant)
2737: [ELSE]
1.108 jwilke 2738: Build: T 0 , 0 , H ;Build
1.54 pazsan 2739: by Create
2740: [THEN]
2741:
1.108 jwilke 2742: Builder AVariable
1.54 pazsan 2743: T has? rom H [IF]
1.108 jwilke 2744: Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 A, H ( switchrom ) ;Build
1.52 jwilke 2745: by (Constant)
2746: [ELSE]
1.108 jwilke 2747: Build: T 0 A, H ;Build
1.1 anton 2748: by Create
1.52 jwilke 2749: [THEN]
1.1 anton 2750:
1.3 pazsan 2751: \ User variables 04may94py
2752:
2753: Variable tup 0 tup !
2754: Variable tudp 0 tudp !
1.78 jwilke 2755:
1.3 pazsan 2756: : u, ( n -- udp )
2757: tup @ tudp @ + T ! H
1.19 pazsan 2758: tudp @ dup T cell+ H tudp ! ;
1.78 jwilke 2759:
1.3 pazsan 2760: : au, ( n -- udp )
2761: tup @ tudp @ + T A! H
1.19 pazsan 2762: tudp @ dup T cell+ H tudp ! ;
1.78 jwilke 2763:
1.108 jwilke 2764: Builder User
2765: Build: 0 u, X , ;Build
1.78 jwilke 2766: by: :douser ( ghost -- up-addr ) X @ tup @ + ;DO
1.1 anton 2767:
1.108 jwilke 2768: Builder 2User
2769: Build: 0 u, X , 0 u, drop ;Build
1.3 pazsan 2770: by User
1.1 anton 2771:
1.108 jwilke 2772: Builder AUser
2773: Build: 0 au, X , ;Build
1.3 pazsan 2774: by User
1.1 anton 2775:
1.108 jwilke 2776: Builder (Value)
2777: Build: ( n -- ) ;Build
2778: by: :docon ( target-body-addr -- n ) T @ H ;DO
2779:
1.1 anton 2780: Builder Value
1.108 jwilke 2781: BuildSmart: T , H ;Build
2782: by (Value)
1.1 anton 2783:
1.32 pazsan 2784: Builder AValue
1.108 jwilke 2785: BuildSmart: T A, H ;Build
2786: by (Value)
1.32 pazsan 2787:
1.103 jwilke 2788: Defer texecute
2789:
1.108 jwilke 2790: Builder Defer
2791: BuildSmart: ( -- ) [T'] noop T A, H ;Build
1.103 jwilke 2792: by: :dodefer ( ghost -- ) X @ texecute ;DO
1.37 pazsan 2793:
1.108 jwilke 2794: Builder interpret/compile:
1.118 pazsan 2795: Build: ( inter comp -- ) swap T A, A, H ;Build-immediate
1.37 pazsan 2796: DO: ( ghost -- ) ABORT" CROSS: Don't execute" ;DO
1.24 pazsan 2797:
2798: \ Sturctures 23feb95py
2799:
2800: : nalign ( addr1 n -- addr2 )
2801: \ addr2 is the aligned version of addr1 wrt the alignment size n
2802: 1- tuck + swap invert and ;
1.109 jwilke 2803:
1.24 pazsan 2804:
1.108 jwilke 2805: Builder (Field)
2806: Build: ;Build
1.44 pazsan 2807: by: :dofield T @ H + ;DO
2808:
1.108 jwilke 2809: Builder Field
1.51 anton 2810: Build: ( align1 offset1 align size "name" -- align2 offset2 )
2811: rot dup T , H ( align1 align size offset1 )
1.108 jwilke 2812: + >r nalign r> ;Build
1.44 pazsan 2813: by (Field)
1.24 pazsan 2814:
1.109 jwilke 2815: >TARGET
1.51 anton 2816: : struct T 1 chars 0 H ;
1.24 pazsan 2817: : end-struct T 2Constant H ;
2818:
1.52 jwilke 2819: : cell% ( n -- size align )
1.51 anton 2820: T 1 cells H dup ;
1.109 jwilke 2821: >CROSS
1.88 pazsan 2822:
1.105 jwilke 2823: \ Input-Methods 01py
1.103 jwilke 2824:
1.108 jwilke 2825: Builder input-method
2826: Build: ( m v -- m' v ) dup T , cell+ H ;Build
1.88 pazsan 2827: DO: abort" Not in cross mode" ;DO
2828:
1.108 jwilke 2829: Builder input-var
2830: Build: ( m v size -- m v' ) over T , H + ;Build
1.88 pazsan 2831: DO: abort" Not in cross mode" ;DO
1.24 pazsan 2832:
1.108 jwilke 2833: \ Peephole optimization 05sep01jaw
2834:
2835: \ this section defines different compilation
2836: \ actions for created words
2837: \ this will help the peephole optimizer
1.121 jwilke 2838: \ I (jaw) took this from bernds latest cross-compiler
1.108 jwilke 2839: \ changes but seperated it from the original
2840: \ Builder words. The final plan is to put this
2841: \ into a seperate file, together with the peephole
2842: \ optimizer for cross
2843:
2844:
2845: T has? peephole H [IF]
2846:
1.109 jwilke 2847: >CROSS
1.118 pazsan 2848:
1.109 jwilke 2849: : (callc) compile call T >body a, H ; ' (callc) plugin-of colon,
1.121 jwilke 2850: : (callcm) T here 0 a, 0 a, H ; ' (callcm) plugin-of colonmark,
1.118 pazsan 2851: : (call-res) >tempdp resolved gexecute tempdp> drop ;
2852: ' (call-res) plugin-of colon-resolve
1.121 jwilke 2853: : (pprim) dup 0< IF $4000 - ELSE
2854: cr ." wrong usage of (prim) "
2855: dup gdiscover IF .ghost ELSE . THEN cr -1 throw THEN
2856: T a, H ; ' (pprim) plugin-of prim,
1.109 jwilke 2857:
2858: \ if we want this, we have to spilt aconstant
2859: \ and constant!!
2860: \ Builder (Constant)
2861: \ compile: g>body X @ lit, ;compile
1.108 jwilke 2862:
2863: Builder (Constant)
1.118 pazsan 2864: compile: g>body compile lit@ T a, H ;compile
1.108 jwilke 2865:
2866: Builder (Value)
1.118 pazsan 2867: compile: g>body compile lit@ T a, H ;compile
1.108 jwilke 2868:
2869: \ this changes also Variable, AVariable and 2Variable
2870: Builder Create
1.117 pazsan 2871: compile: g>body alit, ;compile
1.108 jwilke 2872:
2873: Builder User
2874: compile: g>body compile useraddr T @ , H ;compile
2875:
2876: Builder Defer
1.118 pazsan 2877: compile: g>body compile lit-perform T A, H ;compile
1.102 jwilke 2878:
1.108 jwilke 2879: Builder (Field)
1.118 pazsan 2880: compile: g>body T @ H compile lit+ T , H ;compile
1.117 pazsan 2881:
2882: Builder interpret/compile:
2883: compile: does-resolved ;compile
2884:
2885: Builder input-method
2886: compile: does-resolved ;compile
2887:
2888: Builder input-var
2889: compile: does-resolved ;compile
1.102 jwilke 2890:
1.108 jwilke 2891: [THEN]
1.103 jwilke 2892:
1.52 jwilke 2893: \ structural conditionals 17dec92py
2894:
2895: >CROSS
1.103 jwilke 2896: : (ncontrols?) ( n -- )
2897: \g We expect n open control structures
2898: depth over u<=
2899: ABORT" CROSS: unstructured, stack underflow"
2900: 0 ?DO I pick 0=
2901: ABORT" CROSS: unstructured"
2902: LOOP ; ' (ncontrols?) plugin-of ncontrols?
2903:
2904: \ : ?struc ( flag -- ) ABORT" CROSS: unstructured " ;
2905: \ : sys? ( sys -- sys ) dup 0= ?struc ;
2906:
1.52 jwilke 2907: : >mark ( -- sys ) T here ( dup ." M" hex. ) 0 , H ;
2908:
1.78 jwilke 2909: : branchoffset ( src dest -- ) - tchar / ; \ ?? jaw
1.52 jwilke 2910:
1.78 jwilke 2911: : >resolve ( sys -- )
2912: X here ( dup ." >" hex. ) over branchoffset swap X ! ;
1.52 jwilke 2913:
1.78 jwilke 2914: : <resolve ( sys -- )
2915: X here ( dup ." <" hex. ) branchoffset X , ;
1.52 jwilke 2916:
1.78 jwilke 2917: :noname compile branch X here branchoffset X , ;
1.54 pazsan 2918: IS branch, ( target-addr -- )
1.78 jwilke 2919: :noname compile ?branch X here branchoffset X , ;
1.54 pazsan 2920: IS ?branch, ( target-addr -- )
2921: :noname compile branch T here 0 , H ;
2922: IS branchmark, ( -- branchtoken )
2923: :noname compile ?branch T here 0 , H ;
2924: IS ?branchmark, ( -- branchtoken )
2925: :noname T here 0 , H ;
2926: IS ?domark, ( -- branchtoken )
1.78 jwilke 2927: :noname dup X @ ?struc X here over branchoffset swap X ! ;
1.54 pazsan 2928: IS branchtoresolve, ( branchtoken -- )
1.78 jwilke 2929: :noname branchto, X here ;
1.54 pazsan 2930: IS branchtomark, ( -- target-addr )
1.52 jwilke 2931:
2932: >TARGET
2933:
2934: \ Structural Conditionals 12dec92py
2935:
1.103 jwilke 2936: \ CLEANUP Cond: BUT sys? swap ;Cond
2937: \ CLEANUP Cond: YET sys? dup ;Cond
1.52 jwilke 2938:
2939: >CROSS
2940:
1.78 jwilke 2941: Variable tleavings 0 tleavings !
1.52 jwilke 2942:
1.54 pazsan 2943: : (done) ( addr -- )
2944: tleavings @
2945: BEGIN dup
2946: WHILE
2947: >r dup r@ cell+ @ \ address of branch
2948: u> 0= \ lower than DO?
2949: WHILE
2950: r@ 2 cells + @ \ branch token
2951: branchtoresolve,
2952: r@ @ r> free throw
2953: REPEAT r> THEN
2954: tleavings ! drop ;
2955:
1.53 jwilke 2956: >TARGET
2957:
1.103 jwilke 2958: \ What for? ANS? JAW Cond: DONE ( addr -- ) (done) ;Cond
1.53 jwilke 2959:
2960: >CROSS
1.54 pazsan 2961: : (leave) ( branchtoken -- )
1.53 jwilke 2962: 3 cells allocate throw >r
2963: T here H r@ cell+ !
2964: r@ 2 cells + !
2965: tleavings @ r@ !
2966: r> tleavings ! ;
2967: >TARGET
2968:
1.103 jwilke 2969: : (leave,) ( -- )
2970: branchmark, (leave) ; ' (leave,) plugin-of leave,
2971:
2972: : (?leave,) ( -- )
2973: compile 0= ?branchmark, (leave) ; ' (?leave,) plugin-of ?leave,
2974:
2975: Cond: LEAVE leave, ;Cond
2976: Cond: ?LEAVE ?leave, ;Cond
1.53 jwilke 2977:
1.54 pazsan 2978: >CROSS
2979: \ !!JW ToDo : Move to general tools section
2980:
2981: : to1 ( x1 x2 xn n -- addr )
1.103 jwilke 2982: \G packs n stack elements in am allocated memory region
1.54 pazsan 2983: dup dup 1+ cells allocate throw dup >r swap 1+
2984: 0 DO tuck ! cell+ LOOP
2985: drop r> ;
1.103 jwilke 2986:
1.54 pazsan 2987: : 1to ( addr -- x1 x2 xn )
2988: \G unpacks the elements saved by to1
2989: dup @ swap over cells + swap
2990: 0 DO dup @ swap 1 cells - LOOP
2991: free throw ;
2992:
2993: : loop] branchto, dup <resolve tcell - (done) ;
2994:
2995: : skiploop] ?dup IF branchto, branchtoresolve, THEN ;
2996:
2997: >TARGET
2998:
1.52 jwilke 2999: \ Structural Conditionals 12dec92py
3000:
1.103 jwilke 3001: : (cs-swap) ( x1 x2 -- x2 x1 )
3002: swap ; ' (cs-swap) plugin-of cs-swap
3003:
3004: : (ahead,) branchmark, ; ' (ahead,) plugin-of ahead,
3005:
3006: : (if,) ?branchmark, ; ' (if,) plugin-of if,
3007:
3008: : (then,) branchto, branchtoresolve, ; ' (then,) plugin-of then,
3009:
3010: : (else,) ( ahead ) branchmark,
3011: swap
3012: ( then ) branchto, branchtoresolve, ; ' (else,) plugin-of else,
3013:
3014: : (begin,) branchtomark, ; ' (begin,) plugin-of begin,
3015:
3016: : (while,) ( if ) ?branchmark,
3017: swap ; ' (while,) plugin-of while,
3018:
3019: : (again,) branch, ; ' (again,) plugin-of again,
3020:
3021: : (until,) ?branch, ; ' (until,) plugin-of until,
3022:
3023: : (repeat,) ( again ) branch,
3024: ( then ) branchto, branchtoresolve, ; ' (repeat,) plugin-of repeat,
3025:
3026: : (case,) ( -- n )
3027: 0 ; ' (case,) plugin-of case,
3028:
3029: : (of,) ( n -- x1 n )
3030: 1+ >r
3031: compile over compile =
3032: if, compile drop r> ; ' (of,) plugin-of of,
3033:
3034: : (endof,) ( x1 n -- x2 n )
3035: >r 1 ncontrols? else, r> ; ' (endof,) plugin-of endof,
3036:
3037: : (endcase,) ( x1 .. xn n -- )
3038: compile drop 0 ?DO 1 ncontrols? then, LOOP ; ' (endcase,) plugin-of endcase,
3039:
1.53 jwilke 3040: >TARGET
1.103 jwilke 3041: Cond: AHEAD ahead, ;Cond
3042: Cond: IF if, ;Cond
3043: Cond: THEN 1 ncontrols? then, ;Cond
3044: Cond: ENDIF 1 ncontrols? then, ;Cond
3045: Cond: ELSE 1 ncontrols? else, ;Cond
3046:
3047: Cond: BEGIN begin, ;Cond
3048: Cond: WHILE 1 ncontrols? while, ;Cond
3049: Cond: AGAIN 1 ncontrols? again, ;Cond
3050: Cond: UNTIL 1 ncontrols? until, ;Cond
3051: Cond: REPEAT 2 ncontrols? repeat, ;Cond
3052:
3053: Cond: CASE case, ;Cond
3054: Cond: OF of, ;Cond
3055: Cond: ENDOF endof, ;Cond
3056: Cond: ENDCASE endcase, ;Cond
1.1 anton 3057:
3058: \ Structural Conditionals 12dec92py
3059:
1.103 jwilke 3060: : (do,) ( -- target-addr )
3061: \ ?? i think 0 is too much! jaw
1.54 pazsan 3062: 0 compile (do)
1.103 jwilke 3063: branchtomark, 2 to1 ; ' (do,) plugin-of do,
1.54 pazsan 3064:
1.103 jwilke 3065: \ alternative for if no ?do
3066: \ : (do,)
1.54 pazsan 3067: \ compile 2dup compile = compile IF
3068: \ compile 2drop compile ELSE
3069: \ compile (do) branchtomark, 2 to1 ;
3070:
1.103 jwilke 3071: : (?do,) ( -- target-addr )
1.54 pazsan 3072: 0 compile (?do) ?domark, (leave)
1.103 jwilke 3073: branchtomark, 2 to1 ; ' (?do,) plugin-of ?do,
3074:
3075: : (for,) ( -- target-addr )
3076: compile (for) branchtomark, ; ' (for,) plugin-of for,
3077:
3078: : (loop,) ( target-addr -- )
3079: 1to compile (loop) loop]
3080: compile unloop skiploop] ; ' (loop,) plugin-of loop,
3081:
3082: : (+loop,) ( target-addr -- )
3083: 1to compile (+loop) loop]
3084: compile unloop skiploop] ; ' (+loop,) plugin-of +loop,
3085:
3086: : (next,)
3087: compile (next) loop] compile unloop ; ' (next,) plugin-of next,
3088:
3089: Cond: DO do, ;Cond
3090: Cond: ?DO ?do, ;Cond
3091: Cond: FOR for, ;Cond
3092:
3093: Cond: LOOP 1 ncontrols? loop, ;Cond
3094: Cond: +LOOP 1 ncontrols? +loop, ;Cond
3095: Cond: NEXT 1 ncontrols? next, ;Cond
1.52 jwilke 3096:
1.1 anton 3097: \ String words 23feb93py
3098:
1.103 jwilke 3099: : ," [char] " parse ht-string, X align ;
1.1 anton 3100:
1.103 jwilke 3101: Cond: ." compile (.") T ," H ;Cond
3102: Cond: S" compile (S") T ," H ;Cond
3103: Cond: C" compile (C") T ," H ;Cond
3104: Cond: ABORT" compile (ABORT") T ," H ;Cond
1.1 anton 3105:
3106: Cond: IS T ' >body H compile ALiteral compile ! ;Cond
1.66 pazsan 3107: : IS T >address ' >body ! H ;
1.9 pazsan 3108: Cond: TO T ' >body H compile ALiteral compile ! ;Cond
3109: : TO T ' >body ! H ;
1.1 anton 3110:
1.52 jwilke 3111: Cond: defers T ' >body @ compile, H ;Cond
3112:
1.1 anton 3113: \ LINKED ERR" ENV" 2ENV" 18may93jaw
3114:
3115: \ linked list primitive
1.79 jwilke 3116: : linked X here over X @ X A, swap X ! ;
1.52 jwilke 3117: : chained T linked A, H ;
1.1 anton 3118:
3119: : err" s" ErrLink linked" evaluate T , H
1.103 jwilke 3120: [char] " parse ht-string, X align ;
1.1 anton 3121:
3122: : env" [char] " parse s" EnvLink linked" evaluate
1.103 jwilke 3123: ht-string, X align X , ;
1.1 anton 3124:
3125: : 2env" [char] " parse s" EnvLink linked" evaluate
1.103 jwilke 3126: here >r ht-string, X align X , X ,
1.1 anton 3127: r> dup T c@ H 80 and swap T c! H ;
3128:
3129: \ compile must be last 22feb93py
3130:
1.103 jwilke 3131: Cond: [compile] ( -- ) \ name
3132: \g For immediate words, works even if forward reference
3133: bl word gfind 0= ABORT" CROSS: Can't compile"
3134: (gexecute) ;Cond
3135:
3136: Cond: postpone ( -- ) \ name
3137: bl word gfind 0= ABORT" CROSS: Can't compile"
3138: dup >magic @ <fwd> =
3139: ABORT" CROSS: Can't postpone on forward declaration"
3140: dup >magic @ <imm> =
3141: IF (gexecute)
3142: ELSE compile (compile) addr, THEN ;Cond
1.54 pazsan 3143:
1.77 jwilke 3144: \ save-cross 17mar93py
3145:
3146: hex
3147:
3148: >CROSS
3149: Create magic s" Gforth2x" here over allot swap move
3150:
3151: bigendian 1+ \ strangely, in magic big=0, little=1
3152: tcell 1 = 0 and or
3153: tcell 2 = 2 and or
3154: tcell 4 = 4 and or
3155: tcell 8 = 6 and or
3156: tchar 1 = 00 and or
3157: tchar 2 = 28 and or
3158: tchar 4 = 50 and or
3159: tchar 8 = 78 and or
3160: magic 7 + c!
3161:
3162: : save-cross ( "image-name" "binary-name" -- )
3163: bl parse ." Saving to " 2dup type cr
3164: w/o bin create-file throw >r
1.113 jwilke 3165: s" header" X $has? IF
1.80 anton 3166: s" #! " r@ write-file throw
3167: bl parse r@ write-file throw
3168: s" --image-file" r@ write-file throw
1.77 jwilke 3169: #lf r@ emit-file throw
3170: r@ dup file-position throw drop 8 mod 8 swap ( file-id limit index )
3171: ?do
3172: bl over emit-file throw
3173: loop
3174: drop
3175: magic 8 r@ write-file throw \ write magic
3176: ELSE
3177: bl parse 2drop
3178: THEN
3179: image @ there
3180: r@ write-file throw \ write image
1.113 jwilke 3181: s" relocate" X $has? IF
1.77 jwilke 3182: bit$ @ there 1- tcell>bit rshift 1+
3183: r@ write-file throw \ write tags
3184: THEN
3185: r> close-file throw ;
3186:
3187: : save-region ( addr len -- )
3188: bl parse w/o bin create-file throw >r
3189: swap >image swap r@ write-file throw
3190: r> close-file throw ;
3191:
1.110 jwilke 3192: \ save-asm-region 29aug01jaw
1.103 jwilke 3193:
3194: Variable name-ptr
3195: Create name-buf 200 chars allot
3196: : init-name-buf name-buf name-ptr ! ;
3197: : nb, name-ptr @ c! 1 chars name-ptr +! ;
3198: : $nb, ( adr len -- ) bounds ?DO I c@ nb, LOOP ;
3199: : @nb name-ptr @ name-buf tuck - ;
3200:
3201: \ stores a usefull string representation of the character
3202: \ in the name buffer
3203: : name-char, ( c -- )
3204: dup 'a 'z 1+ within IF nb, EXIT THEN
3205: dup 'A 'Z 1+ within IF $20 + nb, EXIT THEN
3206: dup '0 '9 1+ within IF nb, EXIT THEN
3207: CASE '+ OF s" _PLUS" $nb, ENDOF
3208: '- OF s" _MINUS" $nb, ENDOF
3209: '* OF s" _STAR" $nb, ENDOF
3210: '/ OF s" _SLASH" $nb, ENDOF
3211: '' OF s" _TICK" $nb, ENDOF
3212: '( OF s" _OPAREN" $nb, ENDOF
3213: ') OF s" _CPAREN" $nb, ENDOF
3214: '[ OF s" _OBRACKET" $nb, ENDOF
3215: '] OF s" _CBRACKET" $nb, ENDOF
3216: '! OF s" _STORE" $nb, ENDOF
3217: '@ OF s" _FETCH" $nb, ENDOF
3218: '> OF s" _GREATER" $nb, ENDOF
3219: '< OF s" _LESS" $nb, ENDOF
3220: '= OF s" _EQUAL" $nb, ENDOF
3221: '# OF s" _HASH" $nb, ENDOF
3222: '? OF s" _QUEST" $nb, ENDOF
3223: ': OF s" _COL" $nb, ENDOF
3224: '; OF s" _SEMICOL" $nb, ENDOF
3225: ', OF s" _COMMA" $nb, ENDOF
3226: '. OF s" _DOT" $nb, ENDOF
3227: '" OF s" _DQUOT" $nb, ENDOF
3228: dup
3229: base @ >r hex s>d <# #s 'X hold '_ hold #> $nb, r> base !
3230: ENDCASE ;
3231:
3232: : label-from-ghostname ( ghost -- addr len )
3233: dup >ghostname init-name-buf 'L nb, bounds
3234: ?DO I c@ name-char, LOOP
3235: \ we add the address to a name to make in unique
3236: \ because one name may appear more then once
3237: \ there are names (e.g. boot) that may be reference from other
3238: \ assembler source files, so we declare them as unique
3239: \ and don't add the address suffix
3240: dup >ghost-flags @ <unique> and 0=
3241: IF s" __" $nb, >link @ base @ >r hex 0 <# #s 'L hold #> r> base ! $nb,
3242: ELSE drop
3243: THEN
3244: @nb ;
3245:
1.111 jwilke 3246: \ FIXME why disabled?!
1.103 jwilke 3247: : label-from-ghostnameXX ( ghost -- addr len )
3248: \ same as (label-from-ghostname) but caches generated names
3249: dup >asm-name @ ?dup IF nip count EXIT THEN
3250: \ dup >r (label-from-ghostname) 2dup
3251: align here >r string, align
3252: r> r> >asm-name ! ;
3253:
3254: : primghostdiscover ( xt -- ghost true | xt false )
3255: dup 0= IF false EXIT THEN
3256: >r last-prim-ghost
3257: BEGIN @ dup
3258: WHILE dup >asm-dummyaddr @ r@ =
3259: IF rdrop true EXIT THEN
3260: REPEAT
3261: drop r> false ;
3262:
3263: : gdiscover2 ( xt -- ghost true | xt false )
3264: dup taddr>region 0= IF false EXIT THEN
3265: dup (>regiontype) @ dup 0= IF drop false EXIT THEN
3266: addr-xt-ghost @ dup 0= IF drop false EXIT THEN
3267: nip true ;
3268: \ dup >ghost-name @ IF nip true ELSE drop false THEN ;
3269:
3270: \ generates a label name for the target address
3271: : generate-label-name ( taddr -- addr len )
3272: gdiscover2
3273: IF dup >magic @ <do:> =
3274: IF >asm-name @ count EXIT THEN
3275: label-from-ghostname
3276: ELSE
3277: primghostdiscover
3278: IF >asm-name @ count
3279: ELSE base @ >r hex 0 <# #s 'L hold #> r> base !
3280: THEN
3281: THEN ;
3282:
3283: Variable outfile-fd
3284:
3285: : $out ( adr len -- ) outfile-fd @ write-file throw ;
3286: : nlout newline $out ;
3287: : .ux ( n -- )
3288: base @ hex swap 0 <# #S #> $out base ! ;
3289:
3290: : save-asm-region-part-aligned ( taddr len -- 'taddr 'len )
3291: dup cell/ 0
3292: ?DO nlout s" .word " $out over @relbit
3293: IF over X @ generate-label-name $out
3294: ELSE over X @ s" 0x0" $out .ux
3295: THEN
3296: tcell /string
3297: LOOP ;
3298:
3299: : print-bytes ( taddr len n -- taddr' len' )
3300: over min dup 0>
3301: IF nlout s" .byte " $out 0
3302: ?DO I 0> IF s" , " $out THEN
3303: over X c@ s" 0x0" $out .ux 1 /string
3304: LOOP
3305: THEN ;
3306:
3307: : save-asm-region-part ( addr len -- )
3308: over dup X aligned swap - ?dup
3309: IF print-bytes THEN
3310: save-asm-region-part-aligned
3311: dup dup X aligned swap - ?dup
3312: IF 2 pick @relbit ABORT" relocated field splitted"
3313: print-bytes
3314: THEN
3315: 2drop ;
3316:
3317: : print-label ( taddr -- )
3318: nlout generate-label-name $out s" :" $out ;
3319:
3320: : snl-calc ( taddr taddr2 -- )
3321: tuck over - ;
3322:
3323: : skip-nolables ( taddr -- taddr2 taddr len )
3324: \G skips memory region where no lables are defined
3325: \G starting from taddr+1
3326: \G Labels will be introduced for each reference mark
3327: \G in addr-refs.
3328: \G This word deals with lables at byte addresses as well.
3329: \G The main idea is to have an intro part which
3330: \G skips until the next cell boundary, the middle part
3331: \G which skips whole cells very efficiently and the third
3332: \G part which skips the bytes to the label in a cell
3333: dup 1+ dup (>regiontype)
3334: ( S taddr taddr-realstart type-addr )
3335: dup @ dup IF addr-refs @ THEN
3336: swap >r
3337: over align+ tuck tcell swap - rshift swap 0
3338: DO dup 1 and
3339: IF drop rdrop snl-calc UNLOOP EXIT THEN
3340: 2/ swap 1+ swap
3341: LOOP
3342: drop r> cell+
3343: ( S .. taddr2 type-addr ) dup
3344: BEGIN dup @ dup IF addr-refs @ THEN 0= WHILE cell+ REPEAT
3345: dup >r swap - 1 cells / tcell * + r>
3346: ( S .. taddr2+skiplencells type-addr )
3347: @ addr-refs @ 1 tcell lshift or
3348: BEGIN dup 1 and 0= WHILE swap 1+ swap 2/ REPEAT drop
3349: ( S .. taddr2+skiplencells+skiplenbytes )
3350: snl-calc ;
3351:
3352: : insert-label ( taddr -- )
3353: dup 0= IF drop EXIT THEN
3354: \ ignore everything which points outside our memory regions
3355: \ maybe a primitive pointer or whatever
3356: dup taddr>region 0= IF drop EXIT THEN
3357: dup >r (>regiontype) define-addr-struct addr-refs dup @
3358: r> tcell 1- and 1 swap lshift or swap ! ;
3359:
3360: \ this generates a sorted list of addresses which must be labels
3361: \ it scans therefore a whole region
3362: : generate-label-list-region ( taddr len -- )
3363: BEGIN over @relbit IF over X @ insert-label THEN
3364: tcell /string dup 0<
3365: UNTIL 2drop ;
3366:
3367: : generate-label-list ( -- )
3368: region-link
3369: BEGIN @ dup WHILE
3370: dup 0 >rlink - extent
3371: ?dup IF generate-label-list-region ELSE drop THEN
3372: REPEAT drop ;
3373:
3374: : create-outfile ( addr len -- )
3375: w/o bin create-file throw outfile-fd ! ;
3376:
3377: : close-outfile ( -- )
3378: outfile-fd @ close-file throw ;
3379:
3380: : (save-asm-region) ( region -- )
3381: \ ." label list..."
3382: generate-label-list
3383: \ ." ok!" cr
3384: extent ( S taddr len )
3385: over insert-label
3386: 2dup + dup insert-label >r ( R end-label )
3387: ( S taddr len ) drop
3388: BEGIN
3389: dup print-label
3390: dup r@ <> WHILE
3391: skip-nolables save-asm-region-part
3392: REPEAT drop rdrop ;
3393:
3394: : lineout ( addr len -- )
3395: outfile-fd @ write-line throw ;
3396:
3397: : save-asm-region ( region adr len -- )
3398: create-outfile (save-asm-region) close-outfile ;
3399:
1.54 pazsan 3400: \ \ minimal definitions
3401:
1.77 jwilke 3402: >MINIMAL also minimal
3403:
1.1 anton 3404: \ Usefull words 13feb93py
3405:
3406: : KB 400 * ;
3407:
1.54 pazsan 3408: \ \ [IF] [ELSE] [THEN] ... 14sep97jaw
3409:
3410: \ it is useful to define our own structures and not to rely
1.109 jwilke 3411: \ on the words in the host system
3412: \ The words in the host system might be defined with vocabularies
1.54 pazsan 3413: \ this doesn't work with our self-made compile-loop
3414:
3415: Create parsed 20 chars allot \ store word we parsed
3416:
3417: : upcase
3418: parsed count bounds
3419: ?DO I c@ toupper I c! LOOP ;
3420:
3421: : [ELSE]
3422: 1 BEGIN
3423: BEGIN bl word count dup WHILE
1.77 jwilke 3424: comment? 20 umin parsed place upcase parsed count
1.54 pazsan 3425: 2dup s" [IF]" compare 0= >r
3426: 2dup s" [IFUNDEF]" compare 0= >r
3427: 2dup s" [IFDEF]" compare 0= r> or r> or
3428: IF 2drop 1+
3429: ELSE 2dup s" [ELSE]" compare 0=
3430: IF 2drop 1- dup
3431: IF 1+
3432: THEN
3433: ELSE
3434: 2dup s" [ENDIF]" compare 0= >r
3435: s" [THEN]" compare 0= r> or
3436: IF 1- THEN
3437: THEN
3438: THEN
3439: ?dup 0= ?EXIT
3440: REPEAT
3441: 2drop refill 0=
3442: UNTIL drop ; immediate
3443:
3444: : [THEN] ( -- ) ; immediate
3445:
3446: : [ENDIF] ( -- ) ; immediate
3447:
3448: : [IF] ( flag -- )
3449: 0= IF postpone [ELSE] THEN ; immediate
3450:
3451: Cond: [IF] postpone [IF] ;Cond
3452: Cond: [THEN] postpone [THEN] ;Cond
3453: Cond: [ELSE] postpone [ELSE] ;Cond
3454:
1.1 anton 3455: \ define new [IFDEF] and [IFUNDEF] 20may93jaw
3456:
1.77 jwilke 3457: : defined? tdefined? ;
1.44 pazsan 3458: : needed? needed? ;
3459: : doer? doer? ;
1.1 anton 3460:
1.52 jwilke 3461: \ we want to use IFDEF on compiler directives (e.g. E?) in the source, too
3462:
3463: : directive?
1.77 jwilke 3464: bl word count [ ' target >wordlist ] literal search-wordlist
1.52 jwilke 3465: dup IF nip THEN ;
3466:
3467: : [IFDEF] >in @ directive? swap >in !
1.77 jwilke 3468: 0= IF tdefined? ELSE name 2drop true THEN
1.52 jwilke 3469: postpone [IF] ;
3470:
1.77 jwilke 3471: : [IFUNDEF] tdefined? 0= postpone [IF] ;
1.1 anton 3472:
1.54 pazsan 3473: Cond: [IFDEF] postpone [IFDEF] ;Cond
3474:
3475: Cond: [IFUNDEF] postpone [IFUNDEF] ;Cond
3476:
1.1 anton 3477: \ C: \- \+ Conditional Compiling 09jun93jaw
3478:
1.77 jwilke 3479: : C: >in @ tdefined? 0=
3480: IF >in ! X :
1.1 anton 3481: ELSE drop
3482: BEGIN bl word dup c@
3483: IF count comment? s" ;" compare 0= ?EXIT
3484: ELSE refill 0= ABORT" CROSS: Out of Input while C:"
3485: THEN
3486: AGAIN
3487: THEN ;
3488:
1.74 jwilke 3489: : d? d? ;
3490:
1.123 ! jwilke 3491: : \D ( -- "debugswitch" )
1.74 jwilke 3492: \G doesn't skip line when debug switch is on
1.123 ! jwilke 3493: D? 0= IF postpone \ THEN ;
1.52 jwilke 3494:
1.123 ! jwilke 3495: : \- ( -- "wordname" )
1.48 anton 3496: \G interprets the line if word is not defined
1.123 ! jwilke 3497: tdefined? IF postpone \ THEN ;
1.48 anton 3498:
1.123 ! jwilke 3499: : \+ ( -- "wordname" )
1.48 anton 3500: \G interprets the line if word is defined
1.123 ! jwilke 3501: tdefined? 0= IF postpone \ THEN ;
! 3502:
! 3503: : \? ( -- "envorinstring" )
! 3504: \G Skip line if environmental variable evaluates to false
! 3505: X has? 0= IF postpone \ THEN ;
1.1 anton 3506:
1.48 anton 3507: Cond: \- \- ;Cond
3508: Cond: \+ \+ ;Cond
1.52 jwilke 3509: Cond: \D \D ;Cond
1.123 ! jwilke 3510: Cond: \? \? ;Cond
1.48 anton 3511:
3512: : ?? bl word find IF execute ELSE drop 0 THEN ;
3513:
3514: : needed:
3515: \G defines ghost for words that we want to be compiled
1.103 jwilke 3516: BEGIN >in @ bl word c@ WHILE >in ! Ghost drop REPEAT drop ;
1.48 anton 3517:
1.1 anton 3518: \ words that should be in minimal
1.52 jwilke 3519:
3520: create s-buffer 50 chars allot
3521:
1.77 jwilke 3522: bigendian Constant bigendian
1.1 anton 3523:
1.52 jwilke 3524: : here there ;
1.67 jwilke 3525: : equ constant ;
3526: : mark there constant ;
1.54 pazsan 3527:
3528: \ compiler directives
1.52 jwilke 3529: : >ram >ram ;
3530: : >rom >rom ;
3531: : >auto >auto ;
3532: : >tempdp >tempdp ;
3533: : tempdp> tempdp> ;
3534: : const constflag on ;
1.103 jwilke 3535:
3536: : Redefinitions-start
3537: \G Starts a redefinition section. Warnings are disabled and
3538: \G existing ghosts are reused. This is used in the kernel
3539: \G where ( and \ and the like are redefined
3540: twarnings off warnings off reuse-ghosts on ;
3541:
3542: : Redefinitions-end
3543: \G Ends a redefinition section. Warnings are enabled again.
3544: twarnings on warnings on reuse-ghosts off ;
3545:
3546: : warnings name 3 =
3547: IF twarnings off warnings off ELSE twarnings on warnings on THEN drop ;
1.102 jwilke 3548:
1.60 anton 3549: : | ;
3550: \ : | NoHeaderFlag on ; \ This is broken (damages the last word)
1.52 jwilke 3551:
1.48 anton 3552: : save-cross save-cross ;
1.52 jwilke 3553: : save-region save-region ;
3554: : tdump swap >image swap dump ;
3555:
1.48 anton 3556: also forth
1.52 jwilke 3557: [IFDEF] Label : Label defempty? Label ; [THEN]
3558: [IFDEF] start-macros : start-macros defempty? start-macros ; [THEN]
1.77 jwilke 3559: \ [IFDEF] builttag : builttag builttag ; [THEN]
1.48 anton 3560: previous
3561:
1.52 jwilke 3562: : s" [char] " parse s-buffer place s-buffer count ; \ for environment?
1.43 pazsan 3563: : + + ;
1.52 jwilke 3564: : 1+ 1 + ;
3565: : 2+ 2 + ;
1.43 pazsan 3566: : 1- 1- ;
3567: : - - ;
1.52 jwilke 3568: : and and ;
3569: : or or ;
1.43 pazsan 3570: : 2* 2* ;
3571: : * * ;
3572: : / / ;
3573: : dup dup ;
3574: : over over ;
3575: : swap swap ;
3576: : rot rot ;
3577: : drop drop ;
3578: : = = ;
1.122 jwilke 3579: : <> <> ;
1.43 pazsan 3580: : 0= 0= ;
3581: : lshift lshift ;
3582: : 2/ 2/ ;
1.103 jwilke 3583: \ : . . ;
1.1 anton 3584:
1.79 jwilke 3585: : all-words ['] forced? IS skip? ;
1.43 pazsan 3586: : needed-words ['] needed? IS skip? ;
1.75 jwilke 3587: : undef-words ['] defined2? IS skip? ;
3588: : skipdef skipdef ;
1.1 anton 3589:
1.40 pazsan 3590: : \ postpone \ ; immediate
1.47 pazsan 3591: : \G T-\G ; immediate
1.40 pazsan 3592: : ( postpone ( ; immediate
1.1 anton 3593: : include bl word count included ;
1.103 jwilke 3594: : included swap >image swap included ;
1.52 jwilke 3595: : require require ;
1.103 jwilke 3596: : needs require ;
1.1 anton 3597: : .( [char] ) parse type ;
1.52 jwilke 3598: : ." [char] " parse type ;
1.1 anton 3599: : cr cr ;
3600:
1.77 jwilke 3601: : times 0 ?DO dup X c, LOOP drop ; \ used for space table creation
3602:
3603: \ only forth also cross also minimal definitions order
1.1 anton 3604:
3605: \ cross-compiler words
3606:
1.103 jwilke 3607: : decimal decimal [g'] decimal >exec2 @ ?dup IF EXECUTE THEN ;
3608: : hex hex [g'] hex >exec2 @ ?dup IF EXECUTE THEN ;
1.1 anton 3609:
1.77 jwilke 3610: \ : tudp X tudp ;
3611: \ : tup X tup ;
3612:
3613: : doc-off false to-doc ! ;
3614: : doc-on true to-doc ! ;
1.39 pazsan 3615:
1.103 jwilke 3616: : declareunique ( "name" -- )
3617: \G Sets the unique flag for a ghost. The assembler output
3618: \G generates labels with the ghostname concatenated with the address
3619: \G while cross-compiling. The address is concatenated
3620: \G because we have double occurences of the same name.
3621: \G If we want to reference the labels from the assembler or C
3622: \G code we declare them unique, so the address is skipped.
3623: Ghost >ghost-flags dup @ <unique> or swap ! ;
3624:
3625: \ [IFDEF] dbg : dbg dbg ; [THEN]
1.39 pazsan 3626:
1.1 anton 3627: \ for debugging...
1.103 jwilke 3628: \ : dbg dbg ;
3629: : horder order ;
3630: : hwords words ;
3631: \ : words also ghosts
3632: \ words previous ;
1.105 jwilke 3633: : .s .s ;
1.122 jwilke 3634: : depth depth ;
1.1 anton 3635: : bye bye ;
1.99 pazsan 3636:
1.103 jwilke 3637: \ dummy
3638: : group 0 word drop ;
3639:
1.1 anton 3640: \ turnkey direction
3641: : H forth ; immediate
3642: : T minimal ; immediate
3643: : G ghosts ; immediate
3644:
3645:
3646: \ these ones are pefered:
3647:
1.74 jwilke 3648: : unlock previous forth also cross ;
1.52 jwilke 3649:
1.77 jwilke 3650: \ also minimal
1.103 jwilke 3651: >cross
3652:
3653: : turnkey
3654: ghosts-wordlist 1 set-order
3655: also target definitions
3656: also Minimal also ;
3657:
3658: >minimal
3659:
3660: : [[+++
3661: turnkey unlock ;
1.1 anton 3662:
3663: unlock definitions also minimal
1.77 jwilke 3664:
1.103 jwilke 3665: : lock turnkey ;
3666:
3667: Defer +++]]-hook
3668: : +++]] +++]]-hook lock ;
3669:
3670: LOCK
1.77 jwilke 3671: \ load cross compiler extension defined in mach file
3672:
3673: UNLOCK >CROSS
3674:
3675: [IFDEF] extend-cross extend-cross [THEN]
3676:
3677: LOCK
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