Annotation of gforth/cross.fs, revision 1.173
1.1 anton 1: \ CROSS.FS The Cross-Compiler 06oct92py
2: \ Idea and implementation: Bernd Paysan (py)
1.30 anton 3:
1.168 anton 4: \ Copyright (C) 1995,1996,1997,1998,1999,2000,2003,2004,2005,2006,2007,2009 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
1.166 anton 10: \ as published by the Free Software Foundation, either version 3
1.30 anton 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
1.166 anton 19: \ along with this program. If not, see http://www.gnu.org/licenses/.
1.1 anton 20:
1.67 jwilke 21: 0
22: [IF]
23:
24: ToDo:
1.107 jwilke 25: - Crossdoc destination ./doc/crossdoc.fd makes no sense when
26: cross.fs is used seperately. jaw
27: - Do we need this char translation with >address and in branchoffset?
28: (>body also affected) jaw
1.67 jwilke 29:
30: [THEN]
1.48 anton 31:
1.128 anton 32: s" compat/strcomp.fs" included
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:
1.167 anton 194: : (number?) ( string -- string 0 / n -1 / d 0> )
1.77 jwilke 195: dup >r count snumber? dup if
196: rdrop
197: else
198: r> swap
199: then ;
200:
201: : number ( string -- d )
1.167 anton 202: (number?) ?dup 0= abort" ?" 0<
1.77 jwilke 203: IF
204: s>d
205: THEN ;
206:
207: [THEN]
1.48 anton 208:
1.167 anton 209: [IFUNDEF] (number?) : (number?) number? ; [THEN]
210:
1.115 jwilke 211: \ this provides assert( and struct stuff
212: \GFORTH [IFUNDEF] assert1(
213: \GFORTH also forth definitions require assert.fs previous
214: \GFORTH [THEN]
215:
216: >CROSS
217:
1.52 jwilke 218: hex \ the defualt base for the cross-compiler is hex !!
1.78 jwilke 219: \ Warnings off
1.52 jwilke 220:
221: \ words that are generaly useful
222:
1.59 pazsan 223: : KB 400 * ;
1.52 jwilke 224: : >wordlist ( vocabulary-xt -- wordlist-struct )
225: also execute get-order swap >r 1- set-order r> ;
226:
227: : umax 2dup u< IF swap THEN drop ;
228: : umin 2dup u> IF swap THEN drop ;
1.1 anton 229:
1.23 pazsan 230: : string, ( c-addr u -- )
231: \ puts down string as cstring
232: dup c, here swap chars dup allot move ;
1.5 pazsan 233:
1.77 jwilke 234: : ," [char] " parse string, ;
235:
1.52 jwilke 236: : SetValue ( n -- <name> )
1.54 pazsan 237: \G Same behaviour as "Value" if the <name> is not defined
238: \G Same behaviour as "to" if <name> is defined
1.52 jwilke 239: \G SetValue searches in the current vocabulary
1.68 jwilke 240: save-input bl word >r restore-input throw r> count
241: get-current search-wordlist
242: IF drop >r
243: \ we have to set current to be topmost context wordlist
244: get-order get-order get-current swap 1+ set-order
245: r> ['] to execute
1.74 jwilke 246: set-order
1.68 jwilke 247: ELSE Value THEN ;
1.52 jwilke 248:
249: : DefaultValue ( n -- <name> )
1.54 pazsan 250: \G Same behaviour as "Value" if the <name> is not defined
251: \G DefaultValue searches in the current vocabulary
1.52 jwilke 252: save-input bl word >r restore-input throw r> count
253: get-current search-wordlist
1.56 pazsan 254: IF bl word drop 2drop ELSE Value THEN ;
1.1 anton 255:
256: hex
257:
1.120 jwilke 258: \ FIXME delete`
1.52 jwilke 259: \ 1 Constant Cross-Flag \ to check whether assembler compiler plug-ins are
260: \ for cross-compiling
261: \ No! we use "[IFUNDEF]" there to find out whether we are target compiling!!!
262:
1.120 jwilke 263: \ FIXME move down
1.52 jwilke 264: : comment? ( c-addr u -- c-addr u )
1.128 anton 265: 2dup s" (" str=
1.52 jwilke 266: IF postpone (
1.128 anton 267: ELSE 2dup s" \" str= IF postpone \ THEN
1.52 jwilke 268: THEN ;
269:
1.120 jwilke 270: : X ( -- <name> )
271: \G The next word in the input is a target word.
272: \G Equivalent to T <name> but without permanent
273: \G switch to target dictionary. Used as prefix e.g. for @, !, here etc.
274: bl word count [ ' target >wordlist ] Literal search-wordlist
275: IF state @ IF compile, ELSE execute THEN
276: ELSE -1 ABORT" Cross: access method not supported!"
277: THEN ; immediate
1.105 jwilke 278:
1.52 jwilke 279: \ Begin CROSS COMPILER:
280:
1.74 jwilke 281: \ debugging
1.52 jwilke 282:
1.74 jwilke 283: 0 [IF]
284:
285: This implements debugflags for the cross compiler and the compiled
286: images. It works identical to the has-flags in the environment.
287: The debugflags are defined in a vocabluary. If the word exists and
288: its value is true, the flag is switched on.
289:
290: [THEN]
291:
1.77 jwilke 292: >CROSS
293:
1.74 jwilke 294: Vocabulary debugflags \ debug flags for cross
295: also debugflags get-order over
296: Constant debugflags-wl
297: set-order previous
298:
299: : DebugFlag
300: get-current >r debugflags-wl set-current
301: SetValue
302: r> set-current ;
303:
304: : Debug? ( adr u -- flag )
305: \G return true if debug flag is defined or switched on
306: debugflags-wl search-wordlist
307: IF EXECUTE
308: ELSE false THEN ;
309:
310: : D? ( <name> -- flag )
311: \G return true if debug flag is defined or switched on
312: \G while compiling we do not return the current value but
313: bl word count debug? ;
314:
315: : [d?]
316: \G compile the value-xt so the debug flag can be switched
317: \G the flag must exist!
318: bl word count debugflags-wl search-wordlist
319: IF compile,
320: ELSE -1 ABORT" unknown debug flag"
321: \ POSTPONE false
322: THEN ; immediate
1.54 pazsan 323:
1.123 jwilke 324: : symentry ( adr len taddr -- )
325: \G Produce a symbol table (an optional symbol address
326: \G map) if wanted
327: [ [IFDEF] fd-symbol-table ]
328: base @ swap hex s>d <# 8 0 DO # LOOP #> fd-symbol-table write-file throw base !
329: s" :" fd-symbol-table write-file throw
330: fd-symbol-table write-line throw
331: [ [ELSE] ]
332: 2drop drop
333: [ [THEN] ] ;
334:
335:
1.77 jwilke 336: \ \ -------------------- source file
337:
338: decimal
339:
340: Variable cross-file-list
341: 0 cross-file-list !
342: Variable target-file-list
343: 0 target-file-list !
344: Variable host-file-list
345: 0 host-file-list !
346:
347: cross-file-list Value file-list
348: 0 Value source-desc
349:
350: \ file loading
351:
352: : >fl-id 1 cells + ;
353: : >fl-name 2 cells + ;
354:
355: Variable filelist 0 filelist !
356: Create NoFile ," #load-file#"
357:
358: : loadfile ( -- adr )
359: source-desc ?dup IF >fl-name ELSE NoFile THEN ;
360:
361: : sourcefilename ( -- adr len )
362: loadfile count ;
363:
364: \ANSI : sourceline# 0 ;
365:
366: \ \ -------------------- path handling from kernel/paths.fs
367:
368: \ paths.fs path file handling 03may97jaw
369:
370: \ -Changing the search-path:
371: \ fpath+ <path> adds a directory to the searchpath
372: \ fpath= <path>|<path> makes complete now searchpath
373: \ seperator is |
374: \ .fpath displays the search path
375: \ remark I:
376: \ a ./ in the beginning of filename is expanded to the directory the
377: \ current file comes from. ./ can also be included in the search-path!
378: \ ~+/ loads from the current working directory
379:
380: \ remark II:
381: \ if there is no sufficient space for the search path increase it!
382:
383:
384: \ -Creating custom paths:
385:
386: \ It is possible to use the search mechanism on yourself.
387:
388: \ Make a buffer for the path:
389: \ create mypath 100 chars , \ maximum length (is checked)
390: \ 0 , \ real len
391: \ 100 chars allot \ space for path
392: \ use the same functions as above with:
393: \ mypath path+
394: \ mypath path=
395: \ mypath .path
396:
397: \ do a open with the search path:
398: \ open-path-file ( adr len path -- fd adr len ior )
399: \ the file is opened read-only; if the file is not found an error is generated
400:
401: \ questions to: wilke@jwdt.com
402:
403: [IFUNDEF] +place
404: : +place ( adr len adr )
405: 2dup >r >r
406: dup c@ char+ + swap move
407: r> r> dup c@ rot + swap c! ;
408: [THEN]
409:
410: [IFUNDEF] place
411: : place ( c-addr1 u c-addr2 )
412: 2dup c! char+ swap move ;
413: [THEN]
414:
415: \ if we have path handling, use this and the setup of it
416: [IFUNDEF] open-fpath-file
417:
418: create sourcepath 1024 chars , 0 , 1024 chars allot \ !! make this dynamic
419: sourcepath value fpath
420:
421: : also-path ( adr len path^ -- )
422: >r
423: \ len check
424: r@ cell+ @ over + r@ @ u> ABORT" path buffer too small!"
425: \ copy into
426: tuck r@ cell+ dup @ cell+ + swap cmove
427: \ make delimiter
428: 0 r@ cell+ dup @ cell+ + 2 pick + c! 1 + r> cell+ +!
429: ;
430:
431: : only-path ( adr len path^ -- )
432: dup 0 swap cell+ ! also-path ;
433:
434: : path+ ( path-addr "dir" -- ) \ gforth
435: \G Add the directory @var{dir} to the search path @var{path-addr}.
436: name rot also-path ;
437:
438: : fpath+ ( "dir" ) \ gforth
439: \G Add directory @var{dir} to the Forth search path.
440: fpath path+ ;
441:
442: : path= ( path-addr "dir1|dir2|dir3" ) \ gforth
443: \G Make a complete new search path; the path separator is |.
444: name 2dup bounds ?DO i c@ [char] | = IF 0 i c! THEN LOOP
445: rot only-path ;
446:
447: : fpath= ( "dir1|dir2|dir3" ) \ gforth
448: \G Make a complete new Forth search path; the path separator is |.
449: fpath path= ;
450:
1.145 anton 451: : path>string cell+ dup cell+ swap @ ;
1.77 jwilke 452:
453: : next-path ( adr len -- adr2 len2 )
454: 2dup 0 scan
455: dup 0= IF 2drop 0 -rot 0 -rot EXIT THEN
456: >r 1+ -rot r@ 1- -rot
457: r> - ;
458:
459: : previous-path ( path^ -- )
1.145 anton 460: dup path>string
1.77 jwilke 461: BEGIN tuck dup WHILE repeat ;
462:
463: : .path ( path-addr -- ) \ gforth
464: \G Display the contents of the search path @var{path-addr}.
1.145 anton 465: path>string
1.77 jwilke 466: BEGIN next-path dup WHILE type space REPEAT 2drop 2drop ;
467:
468: : .fpath ( -- ) \ gforth
469: \G Display the contents of the Forth search path.
470: fpath .path ;
471:
472: : absolut-path? ( addr u -- flag ) \ gforth
473: \G A path is absolute if it starts with a / or a ~ (~ expansion),
474: \G or if it is in the form ./*, extended regexp: ^[/~]|./, or if
475: \G it has a colon as second character ("C:..."). Paths simply
476: \G containing a / are not absolute!
477: 2dup 2 u> swap 1+ c@ [char] : = and >r \ dos absoulte: c:/....
478: over c@ [char] / = >r
479: over c@ [char] ~ = >r
1.128 anton 480: \ 2dup S" ../" string-prefix? r> or >r \ not catered for in expandtopic
481: S" ./" string-prefix?
1.77 jwilke 482: r> r> r> or or or ;
483:
484: Create ofile 0 c, 255 chars allot
485: Create tfile 0 c, 255 chars allot
486:
487: : pathsep? dup [char] / = swap [char] \ = or ;
488:
489: : need/ ofile dup c@ + c@ pathsep? 0= IF s" /" ofile +place THEN ;
490:
491: : extractpath ( adr len -- adr len2 )
492: BEGIN dup WHILE 1-
493: 2dup + c@ pathsep? IF EXIT THEN
494: REPEAT ;
495:
496: : remove~+ ( -- )
1.128 anton 497: ofile count s" ~+/" string-prefix?
1.77 jwilke 498: IF
499: ofile count 3 /string ofile place
500: THEN ;
501:
502: : expandtopic ( -- ) \ stack effect correct? - anton
503: \ expands "./" into an absolute name
1.128 anton 504: ofile count s" ./" string-prefix?
1.77 jwilke 505: IF
506: ofile count 1 /string tfile place
507: 0 ofile c! sourcefilename extractpath ofile place
508: ofile c@ IF need/ THEN
509: tfile count over c@ pathsep? IF 1 /string THEN
510: ofile +place
511: THEN ;
512:
513: : compact.. ( adr len -- adr2 len2 )
1.85 pazsan 514: \ deletes phrases like "xy/.." out of our directory name 2dec97jaw
515: over swap
516: BEGIN dup WHILE
1.128 anton 517: dup >r '/ scan 2dup s" /../" string-prefix?
1.85 pazsan 518: IF
519: dup r> - >r 4 /string over r> + 4 -
520: swap 2dup + >r move dup r> over -
521: ELSE
522: rdrop dup 1 min /string
523: THEN
524: REPEAT drop over - ;
1.77 jwilke 525:
526: : reworkdir ( -- )
527: remove~+
528: ofile count compact..
529: nip ofile c! ;
530:
531: : open-ofile ( -- fid ior )
532: \G opens the file whose name is in ofile
533: expandtopic reworkdir
534: ofile count r/o open-file ;
535:
536: : check-path ( adr1 len1 adr2 len2 -- fd 0 | 0 <>0 )
537: 0 ofile ! >r >r ofile place need/
538: r> r> ofile +place
539: open-ofile ;
540:
541: : open-path-file ( addr1 u1 path-addr -- wfileid addr2 u2 0 | ior ) \ gforth
542: \G Look in path @var{path-addr} for the file specified by @var{addr1 u1}.
543: \G If found, the resulting path and an open file descriptor
544: \G are returned. If the file is not found, @var{ior} is non-zero.
545: >r
546: 2dup absolut-path?
547: IF rdrop
548: ofile place open-ofile
549: dup 0= IF >r ofile count r> THEN EXIT
1.145 anton 550: ELSE r> path>string
1.77 jwilke 551: BEGIN next-path dup
552: WHILE 5 pick 5 pick check-path
553: 0= IF >r 2drop 2drop r> ofile count 0 EXIT ELSE drop THEN
554: REPEAT
555: 2drop 2drop 2drop -38
556: THEN ;
557:
558: : open-fpath-file ( addr1 u1 -- wfileid addr2 u2 0 | ior ) \ gforth
559: \G Look in the Forth search path for the file specified by @var{addr1 u1}.
560: \G If found, the resulting path and an open file descriptor
561: \G are returned. If the file is not found, @var{ior} is non-zero.
562: fpath open-path-file ;
563:
564: fpath= ~+
565:
566: [THEN]
567:
568: \ \ -------------------- include require 13may99jaw
569:
570: >CROSS
571:
572: : add-included-file ( adr len -- adr )
573: dup >fl-name char+ allocate throw >r
574: file-list @ r@ ! r@ file-list !
575: r@ >fl-name place r> ;
576:
577: : included? ( c-addr u -- f )
578: file-list
579: BEGIN @ dup
1.128 anton 580: WHILE >r 2dup r@ >fl-name count str=
1.77 jwilke 581: IF rdrop 2drop true EXIT THEN
582: r>
583: REPEAT
584: 2drop drop false ;
585:
586: false DebugFlag showincludedfiles
587:
588: : included1 ( fd adr u -- )
589: \ include file adr u / fd
590: \ we don't use fd with include-file, because the forth system
591: \ doesn't know the name of the file to get a nice error report
592: [d?] showincludedfiles
593: IF cr ." Including: " 2dup type ." ..." THEN
594: rot close-file throw
595: source-desc >r
596: add-included-file to source-desc
597: sourcefilename
598: ['] included catch
599: r> to source-desc
600: throw ;
601:
602: : included ( adr len -- )
603: cross-file-list to file-list
604: open-fpath-file throw
605: included1 ;
606:
607: : required ( adr len -- )
608: cross-file-list to file-list
609: open-fpath-file throw \ 2dup cr ." R:" type
610: 2dup included?
611: IF 2drop close-file throw
612: ELSE included1
613: THEN ;
614:
615: : include bl word count included ;
616:
617: : require bl word count required ;
618:
1.78 jwilke 619: 0 [IF]
620:
1.77 jwilke 621: also forth definitions previous
622:
623: : included ( adr len -- ) included ;
624:
625: : required ( adr len -- ) required ;
626:
627: : include include ;
628:
629: : require require ;
630:
1.78 jwilke 631: [THEN]
632:
1.77 jwilke 633: >CROSS
634: hex
635:
636: \ \ -------------------- Error Handling 05aug97jaw
637:
638: \ Flags
639:
640: also forth definitions \ these values may be predefined before
641: \ the cross-compiler is loaded
642:
643: false DefaultValue stack-warn \ check on empty stack at any definition
644: false DefaultValue create-forward-warn \ warn on forward declaration of created words
645:
646: previous >CROSS
647:
648: : .dec
649: base @ decimal swap . base ! ;
650:
651: : .sourcepos
652: cr sourcefilename type ." :"
653: sourceline# .dec ;
654:
655: : warnhead
656: \G display error-message head
657: \G perhaps with linenumber and filename
658: .sourcepos ." Warning: " ;
659:
660: : empty? depth IF .sourcepos ." Stack not empty!" THEN ;
661:
662: stack-warn [IF]
663: : defempty? empty? ;
664: [ELSE]
665: : defempty? ; immediate
1.139 jwilke 666: \ : defempty? .sourcepos ;
1.77 jwilke 667: [THEN]
668:
1.105 jwilke 669: \ \ -------------------- Compiler Plug Ins 01aug97jaw
670:
671: >CROSS
672:
673: \ Compiler States
674:
675: Variable comp-state
676: 0 Constant interpreting
677: 1 Constant compiling
678: 2 Constant resolving
679: 3 Constant assembling
680:
681: : compiling? comp-state @ compiling = ;
682:
683: : pi-undefined -1 ABORT" Plugin undefined" ;
684:
685: : Plugin ( -- : pluginname )
686: Create
687: \ for normal cross-compiling only one action
688: \ exists, this fields are identical. For the instant
689: \ simulation environment we need, two actions for each plugin
690: \ the target one and the one that generates the simulation code
691: ['] pi-undefined , \ action
692: ['] pi-undefined , \ target plugin action
693: 8765 , \ plugin magic
694: DOES> perform ;
695:
696: Plugin DummyPlugin
697:
698: : 'PI ( -- addr : pluginname )
699: ' >body dup 2 cells + @ 8765 <> ABORT" not a plugin" ;
700:
701: : plugin-of ( xt -- : pluginname )
702: dup 'PI 2! ;
703:
704: : action-of ( xt -- : plunginname )
705: 'PI cell+ ! ;
706:
707: : TPA ( -- : plugin )
708: \ target plugin action
709: \ executes current target action of plugin
710: 'PI cell+ POSTPONE literal POSTPONE perform ; immediate
711:
712: Variable ppi-temp 0 ppi-temp !
713:
714: : pa:
715: \g define plugin action
716: ppi-temp @ ABORT" pa: definition not closed"
717: 'PI ppi-temp ! :noname ;
718:
719: : ;pa
720: \g end a definition for plugin action
721: POSTPONE ; ppi-temp @ ! 0 ppi-temp ! ; immediate
722:
723:
1.107 jwilke 724: Plugin dlit, ( d -- ) \ compile numerical value the target
1.105 jwilke 725: Plugin lit, ( n -- )
726: Plugin alit, ( n -- )
727:
728: Plugin branch, ( target-addr -- ) \ compiles a branch
729: Plugin ?branch, ( target-addr -- ) \ compiles a ?branch
730: Plugin branchmark, ( -- branch-addr ) \ reserves room for a branch
731: Plugin ?branchmark, ( -- branch-addr ) \ reserves room for a ?branch
732: Plugin ?domark, ( -- branch-addr ) \ reserves room for a ?do branch
733: Plugin branchto, ( -- ) \ actual program position is target of a branch (do e.g. alignment)
734: ' NOOP plugin-of branchto,
735: Plugin branchtoresolve, ( branch-addr -- ) \ resolves a forward reference from branchmark
736: Plugin branchtomark, ( -- target-addr ) \ marks a branch destination
737:
738: Plugin colon, ( tcfa -- ) \ compiles call to tcfa at current position
739: Plugin prim, ( tcfa -- ) \ compiles primitive invocation
740: Plugin colonmark, ( -- addr ) \ marks a colon call
741: Plugin colon-resolve ( tcfa addr -- )
742:
743: Plugin addr-resolve ( target-addr addr -- )
744: Plugin doer-resolve ( ghost res-pnt target-addr addr -- ghost res-pnt )
745:
746: Plugin ncontrols? ( [ xn ... x1 ] n -- ) \ checks wheter n control structures are open
747: Plugin if, ( -- if-token )
748: Plugin else, ( if-token -- if-token )
749: Plugin then, ( if-token -- )
750: Plugin ahead,
751: Plugin begin,
752: Plugin while,
753: Plugin until,
754: Plugin again,
755: Plugin repeat,
756: Plugin cs-swap ( x1 x2 -- x2 x1 )
757:
758: Plugin case, ( -- n )
759: Plugin of, ( n -- x1 n )
760: Plugin endof, ( x1 n -- x2 n )
761: Plugin endcase, ( x1 .. xn n -- )
762:
763: Plugin do, ( -- do-token )
764: Plugin ?do, ( -- ?do-token )
765: Plugin for, ( -- for-token )
766: Plugin loop, ( do-token / ?do-token -- )
767: Plugin +loop, ( do-token / ?do-token -- )
768: Plugin next, ( for-token )
769: Plugin leave, ( -- )
770: Plugin ?leave, ( -- )
771:
1.121 jwilke 772: Plugin ca>native \ Convert a code address to the processors
773: \ native address. This is used in doprim, and
774: \ code/code: primitive definitions word to
775: \ convert the addresses.
776: \ The only target where we need this is the misc
777: \ which is a 16 Bit processor with word addresses
778: \ but the forth system we build has a normal byte
779: \ addressed memory model
1.105 jwilke 780:
781: Plugin doprim, \ compiles start of a primitive
782: Plugin docol, \ compiles start of a colon definition
783: Plugin doer,
784: Plugin fini, \ compiles end of definition ;s
785: Plugin doeshandler,
786: Plugin dodoes,
787:
788: Plugin colon-start
789: ' noop plugin-of colon-start
790: Plugin colon-end
791: ' noop plugin-of colon-end
792:
793: Plugin ]comp \ starts compilation
794: ' noop plugin-of ]comp
795: Plugin comp[ \ ends compilation
796: ' noop plugin-of comp[
797:
798: Plugin t>body \ we need the system >body
799: \ and the target >body
800:
801: >TARGET
802: : >body t>body ;
803:
804:
1.103 jwilke 805: \ Ghost Builder 06oct92py
806:
1.105 jwilke 807: >CROSS
1.103 jwilke 808: hex
1.105 jwilke 809: \ Values for ghost magic
1.103 jwilke 810: 4711 Constant <fwd> 4712 Constant <res>
811: 4713 Constant <imm> 4714 Constant <do:>
812: 4715 Constant <skip>
813:
1.105 jwilke 814: \ Bitmask for ghost flags
1.103 jwilke 815: 1 Constant <unique>
1.105 jwilke 816: 2 Constant <primitive>
817:
818: \ FXIME: move this to general stuff?
819: : set-flag ( addr flag -- )
820: over @ or swap ! ;
821:
822: : reset-flag ( addr flag -- )
823: invert over @ and swap ! ;
824:
825: : get-flag ( addr flag -- f )
826: swap @ and 0<> ;
827:
1.103 jwilke 828:
829: Struct
1.52 jwilke 830:
1.103 jwilke 831: \ link to next ghost (always the first element)
832: cell% field >next-ghost
1.52 jwilke 833:
1.103 jwilke 834: \ type of ghost
835: cell% field >magic
836:
837: \ pointer where ghost is in target, or if unresolved
838: \ points to the where we have to resolve (linked-list)
839: cell% field >link
1.52 jwilke 840:
1.106 jwilke 841: \ execution semantics (while target compiling) of ghost
1.103 jwilke 842: cell% field >exec
1.52 jwilke 843:
1.106 jwilke 844: \ compilation action of this ghost; this is what is
845: \ done to compile a call (or whatever) to this definition.
846: \ E.g. >comp contains the semantic of postpone s"
847: \ whereas >exec-compile contains the semantic of s"
1.105 jwilke 848: cell% field >comp
849:
1.106 jwilke 850: \ Compilation sematics (while parsing) of this ghost. E.g.
851: \ "\" will skip the rest of line.
852: \ These semantics are defined by Cond: and
853: \ if a word is made immediate in instant, then the >exec2 field
854: \ gets copied to here
1.103 jwilke 855: cell% field >exec-compile
1.52 jwilke 856:
1.106 jwilke 857: \ Additional execution semantics of this ghost. This is used
858: \ for code generated by instant and for the doer-xt of created
859: \ words
1.103 jwilke 860: cell% field >exec2
1.52 jwilke 861:
1.103 jwilke 862: cell% field >created
1.52 jwilke 863:
1.103 jwilke 864: \ the xt of the created ghost word itself
865: cell% field >ghost-xt
1.52 jwilke 866:
1.103 jwilke 867: \ pointer to the counted string of the assiciated
868: \ assembler label
869: cell% field >asm-name
1.52 jwilke 870:
1.103 jwilke 871: \ mapped primitives have a special address, so
872: \ we are able to detect them
873: cell% field >asm-dummyaddr
874:
875: \ for builder (create, variable...) words
876: \ the execution symantics of words built are placed here
877: \ this is a doer ghost or a dummy ghost
878: cell% field >do:ghost
1.93 pazsan 879:
1.103 jwilke 880: cell% field >ghost-flags
1.93 pazsan 881:
1.103 jwilke 882: cell% field >ghost-name
1.52 jwilke 883:
1.103 jwilke 884: End-Struct ghost-struct
1.52 jwilke 885:
1.103 jwilke 886: Variable ghost-list
887: 0 ghost-list !
1.52 jwilke 888:
889: Variable executed-ghost \ last executed ghost, needed in tcreate and gdoes>
1.103 jwilke 890: \ Variable last-ghost \ last ghost that is created
1.52 jwilke 891: Variable last-header-ghost \ last ghost definitions with header
892:
1.103 jwilke 893: \ space for ghosts resolve structure
894: \ we create ghosts in a sepearte space
895: \ and not to the current host dp, because this
896: \ gives trouble with instant while compiling and creating
897: \ a ghost for a forward reference
898: \ BTW: we cannot allocate another memory region
899: \ because allot will check the overflow!!
900: Variable cross-space-dp
901: Create cross-space 250000 allot here 100 allot align
902: Constant cross-space-end
903: cross-space cross-space-dp !
904: Variable cross-space-dp-orig
905:
906: : cross-space-used cross-space-dp @ cross-space - ;
907:
908: : >space ( -- )
909: dp @ cross-space-dp-orig !
910: cross-space-dp @ dp ! ;
911:
912: : space> ( -- )
913: dp @ dup cross-space-dp !
914: cross-space-end u> ABORT" CROSS: cross-space overflow"
915: cross-space-dp-orig @ dp ! ;
916:
1.106 jwilke 917: \ this is just for debugging, to see this in the backtrace
1.103 jwilke 918: : execute-exec execute ;
919: : execute-exec2 execute ;
920: : execute-exec-compile execute ;
921:
922: : NoExec
923: executed-ghost @ >exec2 @
924: ?dup
925: IF execute-exec2
926: ELSE true ABORT" CROSS: Don't execute ghost, or immediate target word"
927: THEN ;
928:
1.105 jwilke 929: Defer is-forward
930:
1.103 jwilke 931: : (ghostheader) ( -- )
1.121 jwilke 932: ghost-list linked <fwd> , 0 , ['] NoExec , ['] is-forward ,
1.118 pazsan 933: 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , ;
1.103 jwilke 934:
935: : ghostheader ( -- ) (ghostheader) 0 , ;
936:
937: ' Ghosts >wordlist Constant ghosts-wordlist
938:
939: \ the current wordlist for ghost definitions in the host
940: ghosts-wordlist Value current-ghosts
941:
1.52 jwilke 942: : Make-Ghost ( "name" -- ghost )
1.103 jwilke 943: >space
944: \ save current and create in ghost vocabulary
945: get-current >r current-ghosts set-current
946: >in @ Create >in !
947: \ some forth systems like iForth need the immediate directly
948: \ after the word is created
949: \ restore current
950: r> set-current
951: here (ghostheader)
952: bl word count string, align
953: space>
954: \ set ghost-xt field by doing a search
955: dup >ghost-name count
956: current-ghosts search-wordlist
957: 0= ABORT" CROSS: Just created, must be there!"
958: over >ghost-xt !
959: DOES>
960: dup executed-ghost !
961: >exec @ execute-exec ;
1.52 jwilke 962:
963: \ ghost words 14oct92py
964: \ changed: 10may93py/jaw
965:
1.103 jwilke 966: Defer search-ghosts
967:
968: : (search-ghosts) ( adr len -- cfa true | 0 )
969: current-ghosts search-wordlist ;
970:
971: ' (search-ghosts) IS search-ghosts
972:
973: : gsearch ( addr len -- ghost true | 0 )
974: search-ghosts
975: dup IF swap >body swap THEN ;
976:
977: : gfind ( string -- ghost true / string false )
1.52 jwilke 978: \ searches for string in word-list ghosts
1.103 jwilke 979: \ dup count type space
980: dup >r count gsearch
981: dup IF rdrop ELSE r> swap THEN ;
1.52 jwilke 982:
983: : gdiscover ( xt -- ghost true | xt false )
1.103 jwilke 984: >r ghost-list
1.52 jwilke 985: BEGIN @ dup
1.103 jwilke 986: WHILE dup >magic @ <fwd> <>
987: IF dup >link @ r@ =
988: IF rdrop true EXIT THEN
989: THEN
1.52 jwilke 990: REPEAT
1.103 jwilke 991: drop r> false ;
1.52 jwilke 992:
1.105 jwilke 993: : xt>ghost ( xt -- ghost )
994: gdiscover 0= ABORT" CROSS: ghost not found for this xt" ;
995:
1.103 jwilke 996: : Ghost ( "name" -- ghost )
997: >in @ bl word gfind IF nip EXIT THEN
1.52 jwilke 998: drop >in ! Make-Ghost ;
999:
1000: : >ghostname ( ghost -- adr len )
1.103 jwilke 1001: >ghost-name count ;
1002:
1003: : forward? ( ghost -- flag )
1004: >magic @ <fwd> = ;
1005:
1006: : undefined? ( ghost -- flag )
1007: >magic @ dup <fwd> = swap <skip> = or ;
1008:
1009: : immediate? ( ghost -- flag )
1010: >magic @ <imm> = ;
1011:
1012: Variable TWarnings
1013: TWarnings on
1014: Variable Exists-Warnings
1015: Exists-Warnings on
1016:
1017: : exists-warning ( ghost -- ghost )
1018: TWarnings @ Exists-Warnings @ and
1019: IF dup >ghostname warnhead type ." exists " THEN ;
1020:
1021: \ : HeaderGhost Ghost ;
1022:
1023: Variable reuse-ghosts reuse-ghosts off
1024:
1025: : HeaderGhost ( "name" -- ghost )
1026: >in @
1027: bl word count
1028: \ 2dup type space
1029: current-ghosts search-wordlist
1030: IF >body dup undefined? reuse-ghosts @ or
1031: IF nip EXIT
1032: ELSE exists-warning
1033: THEN
1034: drop >in !
1035: ELSE >in !
1036: THEN
1037: \ we keep the execution semantics of the prviously
1038: \ defined words, this is a workaround
1039: \ for the redefined \ until vocs work
1040: Make-Ghost ;
1041:
1.78 jwilke 1042: : .ghost ( ghost -- ) >ghostname type ;
1043:
1.77 jwilke 1044: \ ' >ghostname ALIAS @name
1.52 jwilke 1045:
1.115 jwilke 1046: : findghost ( "ghostname" -- ghost )
1047: bl word gfind 0= ABORT" CROSS: Ghost don't exists" ;
1048:
1.103 jwilke 1049: : [G'] ( -- ghost : name )
1050: \G ticks a ghost and returns its address
1.115 jwilke 1051: findghost
1052: state @ IF postpone literal THEN ; immediate
1.103 jwilke 1053:
1.105 jwilke 1054: : g>xt ( ghost -- xt )
1055: \G Returns the xt (cfa) of a ghost. Issues a warning if undefined.
1.103 jwilke 1056: dup undefined? ABORT" CROSS: forward " >link @ ;
1057:
1.105 jwilke 1058: : g>body ( ghost -- body )
1059: \G Returns the body-address (pfa) of a ghost.
1060: \G Issues a warning if undefined (a forward-reference).
1061: g>xt X >body ;
1062:
1.103 jwilke 1063: 1 Constant <label>
1.52 jwilke 1064:
1.103 jwilke 1065: Struct
1066: \ bitmask of address type (not used for now)
1067: cell% field addr-type
1068: \ if this address is an xt, this field points to the ghost
1069: cell% field addr-xt-ghost
1070: \ a bit mask that tells as what part of the cell
1071: \ is refenced from an address pointer, used for assembler generation
1072: cell% field addr-refs
1073: End-Struct addr-struct
1074:
1075: : %allocerase ( align size -- addr )
1076: dup >r %alloc dup r> erase ;
1077:
1078: \ returns the addr struct, define it if 0 reference
1079: : define-addr-struct ( addr -- struct-addr )
1080: dup @ ?dup IF nip EXIT THEN
1081: addr-struct %allocerase tuck swap ! ;
1.75 jwilke 1082:
1.118 pazsan 1083: >cross
1084:
1.52 jwilke 1085: \ Predefined ghosts 12dec92py
1086:
1.114 jwilke 1087: Ghost - drop \ need a ghost otherwise "-" would be treated as a number
1088:
1.103 jwilke 1089: Ghost 0= drop
1090: Ghost branch Ghost ?branch 2drop
1091: Ghost unloop Ghost ;S 2drop
1.118 pazsan 1092: Ghost lit Ghost ! 2drop
1093: Ghost noop drop
1.103 jwilke 1094: Ghost over Ghost = Ghost drop 2drop drop
1095: Ghost 2drop drop
1096: Ghost 2dup drop
1.115 jwilke 1097: Ghost call drop
1098: Ghost @ drop
1099: Ghost useraddr drop
1100: Ghost execute drop
1101: Ghost + drop
1102: Ghost decimal drop
1103: Ghost hex drop
1.118 pazsan 1104: Ghost lit@ drop
1105: Ghost lit-perform drop
1106: Ghost lit+ drop
1107: Ghost does-exec drop
1.52 jwilke 1108:
1.119 pazsan 1109: Ghost :docol Ghost :doesjump Ghost :dodoes 2drop drop
1110: Ghost :dovar drop
1111:
1.52 jwilke 1112: \ \ Parameter for target systems 06oct92py
1113:
1.103 jwilke 1114:
1.52 jwilke 1115: \ we define it ans like...
1116: wordlist Constant target-environment
1117:
1.103 jwilke 1118: \ save information of current dictionary to restore with environ>
1119: Variable env-current
1.52 jwilke 1120:
1121: : >ENVIRON get-current env-current ! target-environment set-current ;
1122: : ENVIRON> env-current @ set-current ;
1.43 pazsan 1123:
1.48 anton 1124: >TARGET
1.43 pazsan 1125:
1.103 jwilke 1126: : environment? ( addr len -- [ x ] true | false )
1127: \G returns the content of environment variable and true or
1128: \G false if not present
1129: target-environment search-wordlist
1130: IF EXECUTE true ELSE false THEN ;
1131:
1132: : $has? ( addr len -- x | false )
1133: \G returns the content of environment variable
1134: \G or false if not present
1135: T environment? H dup IF drop THEN ;
1136:
1137: : e? ( "name" -- x )
1138: \G returns the content of environment variable.
1139: \G The variable is expected to exist. If not, issue an error.
1140: bl word count T environment? H
1141: 0= ABORT" environment variable not defined!" ;
1142:
1143: : has? ( "name" --- x | false )
1144: \G returns the content of environment variable
1145: \G or false if not present
1146: bl word count T $has? H ;
1.52 jwilke 1147:
1.48 anton 1148:
1.54 pazsan 1149: >ENVIRON get-order get-current swap 1+ set-order
1150: true SetValue compiler
1.83 pazsan 1151: true SetValue cross
1.54 pazsan 1152: true SetValue standard-threading
1153: >TARGET previous
1.52 jwilke 1154:
1.77 jwilke 1155: 0
1.103 jwilke 1156: [IFDEF] mach-file drop mach-file count 1 [THEN]
1157: [IFDEF] machine-file drop machine-file 1 [THEN]
1158: [IF] included hex
1.77 jwilke 1159: [ELSE] cr ." No machine description!" ABORT
1160: [THEN]
1.43 pazsan 1161:
1.53 jwilke 1162: >ENVIRON
1163:
1.54 pazsan 1164: T has? ec H
1165: [IF]
1166: false DefaultValue relocate
1167: false DefaultValue file
1168: false DefaultValue OS
1169: false DefaultValue prims
1170: false DefaultValue floating
1171: false DefaultValue glocals
1172: false DefaultValue dcomps
1173: false DefaultValue hash
1174: false DefaultValue xconds
1175: false DefaultValue header
1.105 jwilke 1176: false DefaultValue backtrace
1177: false DefaultValue new-input
1178: false DefaultValue peephole
1.162 pazsan 1179: false DefaultValue primcentric
1.129 jwilke 1180: false DefaultValue abranch
1.139 jwilke 1181: true DefaultValue f83headerstring
1.141 pazsan 1182: true DefaultValue control-rack
1.54 pazsan 1183: [THEN]
1184:
1.139 jwilke 1185: true DefaultValue gforthcross
1.54 pazsan 1186: true DefaultValue interpreter
1187: true DefaultValue ITC
1188: false DefaultValue rom
1.158 pazsan 1189: false DefaultValue flash
1.73 jwilke 1190: true DefaultValue standardthreading
1.53 jwilke 1191:
1.139 jwilke 1192: \ ANSForth environment stuff
1193: 8 DefaultValue ADDRESS-UNIT-BITS
1194: 255 DefaultValue MAX-CHAR
1195: 255 DefaultValue /COUNTED-STRING
1196:
1.52 jwilke 1197: >TARGET
1.53 jwilke 1198: s" relocate" T environment? H
1.103 jwilke 1199: \ JAW why set NIL to this?!
1200: [IF] drop \ SetValue NIL
1.113 jwilke 1201: [ELSE] >ENVIRON X NIL SetValue relocate
1.53 jwilke 1202: [THEN]
1.113 jwilke 1203: >TARGET
1204:
1205: 0 Constant NIL
1.43 pazsan 1206:
1207: >CROSS
1208:
1.52 jwilke 1209: \ \ Create additional parameters 19jan95py
1.19 pazsan 1210:
1.71 jwilke 1211: \ currently cross only works for host machines with address-unit-bits
1212: \ eual to 8 because of s! and sc!
1213: \ but I start to query the environment just to modularize a little bit
1214:
1215: : check-address-unit-bits ( -- )
1216: \ s" ADDRESS-UNIT-BITS" environment?
1217: \ IF 8 <> ELSE true THEN
1218: \ ABORT" ADDRESS-UNIT-BITS unknown or not equal to 8!"
1219:
1220: \ shit, this doesn't work because environment? is only defined for
1221: \ gforth.fi and not kernl???.fi
1222: ;
1223:
1224: check-address-unit-bits
1225: 8 Constant bits/byte \ we define: byte is address-unit
1226:
1227: 1 bits/byte lshift Constant maxbyte
1.77 jwilke 1228: \ this sets byte size for the target machine, (probably right guess) jaw
1.67 jwilke 1229:
1.19 pazsan 1230: T
1.71 jwilke 1231: NIL Constant TNIL
1232: cell Constant tcell
1233: cell<< Constant tcell<<
1234: cell>bit Constant tcell>bit
1235: bits/char Constant tbits/char
1236: bits/char H bits/byte T /
1237: Constant tchar
1238: float Constant tfloat
1239: 1 bits/char lshift Constant tmaxchar
1240: [IFUNDEF] bits/byte
1241: 8 Constant tbits/byte
1242: [ELSE]
1243: bits/byte Constant tbits/byte
1244: [THEN]
1.19 pazsan 1245: H
1.81 pazsan 1246: tbits/char bits/byte / Constant tbyte
1.71 jwilke 1247:
1.164 pazsan 1248: : >signed ( u -- n )
1249: 1 tbits/char tcell * 1- lshift 2dup and
1250: IF negate or ELSE drop THEN ;
1.19 pazsan 1251:
1.48 anton 1252: \ Variables 06oct92py
1253:
1.124 jwilke 1254: Variable (tlast)
1255: (tlast) Value tlast TNIL tlast ! \ Last name field
1.48 anton 1256: Variable tlastcfa \ Last code field
1.52 jwilke 1257:
1258: \ statistics 10jun97jaw
1259:
1260: Variable headers-named 0 headers-named !
1261: Variable user-vars 0 user-vars !
1262:
1.67 jwilke 1263: : target>bitmask-size ( u1 -- u2 )
1264: 1- tcell>bit rshift 1+ ;
1265:
1.105 jwilke 1266: : allocatetarget ( size -- adr )
1.67 jwilke 1267: dup allocate ABORT" CROSS: No memory for target"
1268: swap over swap erase ;
1.52 jwilke 1269:
1.54 pazsan 1270: \ \ memregion.fs
1.52 jwilke 1271:
1272:
1273: Variable last-defined-region \ pointer to last defined region
1274: Variable region-link \ linked list with all regions
1275: Variable mirrored-link \ linked list for mirrored regions
1276: 0 dup mirrored-link ! region-link !
1277:
1.139 jwilke 1278: : >rname 9 cells + ;
1279: : >rtouch 8 cells + ; \ executed when region is accessed
1.124 jwilke 1280: : >rbm 4 cells + ; \ bitfield per cell witch indicates relocation
1.103 jwilke 1281: : >rmem 5 cells + ;
1.124 jwilke 1282: : >rtype 6 cells + ; \ field per cell witch points to a type struct
1283: : >rrom 7 cells + ; \ a -1 indicates that this region is rom
1.67 jwilke 1284: : >rlink 3 cells + ;
1.52 jwilke 1285: : >rdp 2 cells + ;
1286: : >rlen cell+ ;
1287: : >rstart ;
1288:
1.113 jwilke 1289: : (region) ( addr len region -- )
1290: \G change startaddress and length of an existing region
1291: >r r@ last-defined-region !
1292: r@ >rlen ! dup r@ >rstart ! r> >rdp ! ;
1.52 jwilke 1293:
1.139 jwilke 1294: : uninitialized -1 ABORT" CROSS: Region is uninitialized" ;
1295:
1.123 jwilke 1296: : region ( addr len -- "name" )
1.103 jwilke 1297: \G create a new region
1.52 jwilke 1298: \ check whether predefined region exists
1299: save-input bl word find >r >r restore-input throw r> r> 0=
1300: IF \ make region
1301: drop
1302: save-input create restore-input throw
1303: here last-defined-region !
1304: over ( startaddr ) , ( length ) , ( dp ) ,
1.139 jwilke 1305: region-link linked 0 , 0 , 0 , 0 ,
1306: ['] uninitialized ,
1307: bl word count string,
1.52 jwilke 1308: ELSE \ store new parameters in region
1309: bl word drop
1.113 jwilke 1310: >body (region)
1.52 jwilke 1311: THEN ;
1312:
1.103 jwilke 1313: : borders ( region -- startaddr endaddr )
1314: \G returns lower and upper region border
1.67 jwilke 1315: dup >rstart @ swap >rlen @ over + ;
1.52 jwilke 1316:
1.103 jwilke 1317: : extent ( region -- startaddr len )
1318: \G returns the really used area
1.67 jwilke 1319: dup >rstart @ swap >rdp @ over - ;
1.52 jwilke 1320:
1.103 jwilke 1321: : area ( region -- startaddr totallen )
1322: \G returns the total area
1.79 jwilke 1323: dup >rstart @ swap >rlen @ ;
1.52 jwilke 1324:
1.139 jwilke 1325: : dp@ ( region -- dp )
1326: >rdp @ ;
1327:
1.124 jwilke 1328: : mirrored ( -- )
1329: \G mark last defined region as mirrored
1.52 jwilke 1330: mirrored-link
1.68 jwilke 1331: align linked last-defined-region @ , ;
1.52 jwilke 1332:
1.124 jwilke 1333: : writeprotected
1334: \G mark a region as write protected
1335: -1 last-defined-region @ >rrom ! ;
1336:
1.67 jwilke 1337: : .addr ( u -- )
1338: \G prints a 16 or 32 Bit nice hex value
1.52 jwilke 1339: base @ >r hex
1340: tcell 2 u>
1.77 jwilke 1341: IF s>d <# # # # # [char] . hold # # # # #> type
1.52 jwilke 1342: ELSE s>d <# # # # # # #> type
1.103 jwilke 1343: THEN r> base ! space ;
1.52 jwilke 1344:
1345: : .regions \G display region statistic
1346:
1347: \ we want to list the regions in the right order
1348: \ so first collect all regions on stack
1349: 0 region-link @
1350: BEGIN dup WHILE dup @ REPEAT drop
1351: BEGIN dup
1.67 jwilke 1352: WHILE cr
1353: 0 >rlink - >r
1354: r@ >rname count tuck type
1.52 jwilke 1355: 12 swap - 0 max spaces space
1.67 jwilke 1356: ." Start: " r@ >rstart @ dup .addr space
1357: ." End: " r@ >rlen @ + .addr space
1358: ." DP: " r> >rdp @ .addr
1.52 jwilke 1359: REPEAT drop
1.53 jwilke 1360: s" rom" T $has? H 0= ?EXIT
1.52 jwilke 1361: cr ." Mirrored:"
1362: mirrored-link @
1363: BEGIN dup
1.67 jwilke 1364: WHILE space dup cell+ @ >rname count type @
1.52 jwilke 1365: REPEAT drop cr
1366: ;
1367:
1368: \ -------- predefined regions
1369:
1370: 0 0 region address-space
1371: \ total memory addressed and used by the target system
1372:
1.139 jwilke 1373: 0 0 region user-region
1374: \ data for user variables goes here
1375: \ this has to be defined before dictionary or ram-dictionary
1376:
1.52 jwilke 1377: 0 0 region dictionary
1378: \ rom area for the compiler
1379:
1.53 jwilke 1380: T has? rom H
1.52 jwilke 1381: [IF]
1382: 0 0 region ram-dictionary mirrored
1383: \ ram area for the compiler
1384: [ELSE]
1385: ' dictionary ALIAS ram-dictionary
1386: [THEN]
1387:
1388: 0 0 region return-stack
1389:
1390: 0 0 region data-stack
1391:
1392: 0 0 region tib-region
1393:
1394: ' dictionary ALIAS rom-dictionary
1395:
1.139 jwilke 1396: : setup-region ( region -- )
1397: >r
1398: \ allocate mem
1399: r@ >rlen @ allocatetarget
1400: r@ >rmem !
1401:
1402: r@ >rlen @
1403: target>bitmask-size allocatetarget
1404: r@ >rbm !
1405:
1406: r@ >rlen @
1407: tcell / 1+ cells allocatetarget r@ >rtype !
1408:
1409: ['] noop r@ >rtouch !
1410: rdrop ;
1.52 jwilke 1411:
1.105 jwilke 1412: : setup-target ( -- ) \G initialize target's memory space
1.53 jwilke 1413: s" rom" T $has? H
1.52 jwilke 1414: IF \ check for ram and rom...
1.72 jwilke 1415: \ address-space area nip 0<>
1.67 jwilke 1416: ram-dictionary area nip 0<>
1417: rom-dictionary area nip 0<>
1.72 jwilke 1418: and 0=
1.52 jwilke 1419: ABORT" CROSS: define address-space, rom- , ram-dictionary, with rom-support!"
1420: THEN
1421: address-space area nip
1422: IF
1423: address-space area
1424: ELSE
1425: dictionary area
1426: THEN
1.67 jwilke 1427: nip 0=
1.52 jwilke 1428: ABORT" CROSS: define at least address-space or dictionary!!"
1.67 jwilke 1429:
1430: \ allocate target for each region
1431: region-link
1432: BEGIN @ dup
1433: WHILE dup
1434: 0 >rlink - >r
1435: r@ >rlen @
1.139 jwilke 1436: IF r@ setup-region
1437: THEN rdrop
1.72 jwilke 1438: REPEAT drop ;
1439:
1.105 jwilke 1440: \ MakeKernel 22feb99jaw
1.72 jwilke 1441:
1.134 pazsan 1442: : makekernel ( start targetsize -- )
1.113 jwilke 1443: \G convenience word to setup the memory of the target
1444: \G used by main.fs of the c-engine based systems
1.134 pazsan 1445: dictionary (region) setup-target ;
1.72 jwilke 1446:
1447: >MINIMAL
1448: : makekernel makekernel ;
1449: >CROSS
1.52 jwilke 1450:
1.54 pazsan 1451: \ \ switched tdp for rom support 03jun97jaw
1.52 jwilke 1452:
1453: \ second value is here to store some maximal value for statistics
1454: \ tempdp is also embedded here but has nothing to do with rom support
1455: \ (needs switched dp)
1456:
1457: variable tempdp 0 , \ temporary dp for resolving
1458: variable tempdp-save
1459:
1460: 0 [IF]
1461: variable romdp 0 , \ Dictionary-Pointer for ramarea
1462: variable ramdp 0 , \ Dictionary-Pointer for romarea
1463:
1464: \
1465: variable sramdp \ start of ram-area for forth
1466: variable sromdp \ start of rom-area for forth
1467:
1468: [THEN]
1469:
1.123 jwilke 1470: 0 Value current-region
1471: 0 Value tdp
1472: Variable fixed \ flag: true: no automatic switching
1.52 jwilke 1473: \ false: switching is done automatically
1474:
1475: \ Switch-Policy:
1476: \
1477: \ a header is always compiled into rom
1478: \ after a created word (create and variable) compilation goes to ram
1479: \
1480: \ Be careful: If you want to make the data behind create into rom
1481: \ you have to put >rom before create!
1482:
1483: variable constflag constflag off
1484:
1.67 jwilke 1485: : activate ( region -- )
1486: \G next code goes to this region
1.123 jwilke 1487: dup to current-region >rdp to tdp ;
1.67 jwilke 1488:
1.52 jwilke 1489: : (switchram)
1.53 jwilke 1490: fixed @ ?EXIT s" rom" T $has? H 0= ?EXIT
1.67 jwilke 1491: ram-dictionary activate ;
1.52 jwilke 1492:
1493: : switchram
1494: constflag @
1495: IF constflag off ELSE (switchram) THEN ;
1496:
1497: : switchrom
1.67 jwilke 1498: fixed @ ?EXIT rom-dictionary activate ;
1.52 jwilke 1499:
1500: : >tempdp ( addr -- )
1501: tdp tempdp-save ! tempdp to tdp tdp ! ;
1502: : tempdp> ( -- )
1503: tempdp-save @ to tdp ;
1504:
1505: : >ram fixed off (switchram) fixed on ;
1506: : >rom fixed off switchrom fixed on ;
1507: : >auto fixed off switchrom ;
1508:
1509:
1510:
1511: \ : romstart dup sromdp ! romdp ! ;
1512: \ : ramstart dup sramdp ! ramdp ! ;
1513:
1.67 jwilke 1514: \ default compilation goes to rom
1.52 jwilke 1515: \ when romable support is off, only the rom switch is used (!!)
1516: >auto
1517:
1.48 anton 1518: : there tdp @ ;
1519:
1.52 jwilke 1520: >TARGET
1.48 anton 1521:
1.52 jwilke 1522: \ \ Target Memory Handling
1.1 anton 1523:
1524: \ Byte ordering and cell size 06oct92py
1525:
1.19 pazsan 1526: : cell+ tcell + ;
1527: : cells tcell<< lshift ;
1.71 jwilke 1528: : chars tchar * ;
1529: : char+ tchar + ;
1.19 pazsan 1530: : floats tfloat * ;
1.6 anton 1531:
1.1 anton 1532: >CROSS
1.19 pazsan 1533: : cell/ tcell<< rshift ;
1.1 anton 1534: >TARGET
1535: 20 CONSTANT bl
1.52 jwilke 1536: \ TNIL Constant NIL
1.1 anton 1537:
1538: >CROSS
1539:
1.20 pazsan 1540: bigendian
1541: [IF]
1.106 jwilke 1542: : DS! ( d addr -- ) tcell bounds swap 1-
1.20 pazsan 1543: DO maxbyte ud/mod rot I c! -1 +LOOP 2drop ;
1.106 jwilke 1544: : DS@ ( addr -- d ) >r 0 0 r> tcell bounds
1545: DO maxbyte * swap maxbyte um* rot + swap I c@ + swap LOOP ;
1.57 pazsan 1546: : Sc! ( n addr -- ) >r s>d r> tchar bounds swap 1-
1547: DO maxbyte ud/mod rot I c! -1 +LOOP 2drop ;
1548: : Sc@ ( addr -- n ) >r 0 0 r> tchar bounds
1549: DO maxbyte * swap maxbyte um* rot + swap I c@ + swap LOOP d>s ;
1.19 pazsan 1550: [ELSE]
1.106 jwilke 1551: : DS! ( d addr -- ) tcell bounds
1.20 pazsan 1552: DO maxbyte ud/mod rot I c! LOOP 2drop ;
1.106 jwilke 1553: : DS@ ( addr -- n ) >r 0 0 r> tcell bounds swap 1-
1554: DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP ;
1.57 pazsan 1555: : Sc! ( n addr -- ) >r s>d r> tchar bounds
1556: DO maxbyte ud/mod rot I c! LOOP 2drop ;
1557: : Sc@ ( addr -- n ) >r 0 0 r> tchar bounds swap 1-
1558: DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP d>s ;
1.1 anton 1559: [THEN]
1560:
1.106 jwilke 1561: : S! ( n addr -- ) >r s>d r> DS! ;
1562: : S@ ( addr -- n ) DS@ d>s ;
1563:
1.67 jwilke 1564: : taddr>region ( taddr -- region | 0 )
1565: \G finds for a target-address the correct region
1566: \G returns 0 if taddr is not in range of a target memory region
1567: region-link
1568: BEGIN @ dup
1569: WHILE dup >r
1570: 0 >rlink - >r
1571: r@ >rlen @
1572: IF dup r@ borders within
1.139 jwilke 1573: IF r> r> drop nip
1574: dup >rtouch @ EXECUTE EXIT
1575: THEN
1.67 jwilke 1576: THEN
1577: r> drop
1578: r>
1579: REPEAT
1580: 2drop 0 ;
1581:
1.103 jwilke 1582: : taddr>region-abort ( taddr -- region | 0 )
1.122 jwilke 1583: \G Same as taddr>region but aborts if taddr is not
1584: \G a valid address in the target address space
1.103 jwilke 1585: dup taddr>region dup 0=
1586: IF drop cr ." Wrong address: " .addr
1587: -1 ABORT" Address out of range!"
1588: THEN nip ;
1589:
1.67 jwilke 1590: : (>regionimage) ( taddr -- 'taddr )
1591: dup
1592: \ find region we want to address
1.103 jwilke 1593: taddr>region-abort
1.67 jwilke 1594: >r
1595: \ calculate offset in region
1596: r@ >rstart @ -
1597: \ add regions real address in our memory
1598: r> >rmem @ + ;
1599:
1.124 jwilke 1600: : (>regionramimage) ( taddr -- 'taddr )
1601: \G same as (>regionimage) but aborts if the region is rom
1602: dup
1603: \ find region we want to address
1604: taddr>region-abort
1605: >r
1606: r@ >rrom @ ABORT" CROSS: region is write-protected!"
1607: \ calculate offset in region
1608: r@ >rstart @ -
1609: \ add regions real address in our memory
1610: r> >rmem @ + ;
1611:
1.103 jwilke 1612: : (>regionbm) ( taddr -- 'taddr bitmaskbaseaddr )
1613: dup
1614: \ find region we want to address
1615: taddr>region-abort
1616: >r
1617: \ calculate offset in region
1618: r@ >rstart @ -
1619: \ add regions real address in our memory
1620: r> >rbm @ ;
1621:
1622: : (>regiontype) ( taddr -- 'taddr )
1623: dup
1624: \ find region we want to address
1625: taddr>region-abort
1626: >r
1627: \ calculate offset in region
1628: r@ >rstart @ - tcell / cells
1629: \ add regions real address in our memory
1630: r> >rtype @ + ;
1631:
1.1 anton 1632: \ Bit string manipulation 06oct92py
1633: \ 9may93jaw
1634: CREATE Bittable 80 c, 40 c, 20 c, 10 c, 8 c, 4 c, 2 c, 1 c,
1635: : bits ( n -- n ) chars Bittable + c@ ;
1636:
1637: : >bit ( addr n -- c-addr mask ) 8 /mod rot + swap bits ;
1638: : +bit ( addr n -- ) >bit over c@ or swap c! ;
1.4 pazsan 1639: : -bit ( addr n -- ) >bit invert over c@ and swap c! ;
1.67 jwilke 1640:
1.103 jwilke 1641: : @relbit ( taddr -- f ) (>regionbm) swap cell/ >bit swap c@ and ;
1642:
1.84 jwilke 1643: : (relon) ( taddr -- )
1644: [ [IFDEF] fd-relocation-table ]
1645: s" +" fd-relocation-table write-file throw
1646: dup s>d <# #s #> fd-relocation-table write-line throw
1647: [ [THEN] ]
1.103 jwilke 1648: (>regionbm) swap cell/ +bit ;
1.84 jwilke 1649:
1650: : (reloff) ( taddr -- )
1651: [ [IFDEF] fd-relocation-table ]
1652: s" -" fd-relocation-table write-file throw
1653: dup s>d <# #s #> fd-relocation-table write-line throw
1654: [ [THEN] ]
1.103 jwilke 1655: (>regionbm) swap cell/ -bit ;
1.67 jwilke 1656:
1657: DEFER >image
1.124 jwilke 1658: DEFER >ramimage
1.67 jwilke 1659: DEFER relon
1660: DEFER reloff
1661: DEFER correcter
1662:
1663: T has? relocate H
1664: [IF]
1665: ' (relon) IS relon
1666: ' (reloff) IS reloff
1.103 jwilke 1667: ' (>regionimage) IS >image
1.124 jwilke 1668: ' (>regionimage) IS >ramimage
1.67 jwilke 1669: [ELSE]
1670: ' drop IS relon
1671: ' drop IS reloff
1.68 jwilke 1672: ' (>regionimage) IS >image
1.124 jwilke 1673: ' (>regionimage) IS >ramimage
1.67 jwilke 1674: [THEN]
1.1 anton 1675:
1.124 jwilke 1676: : enforce-writeprotection ( -- )
1677: ['] (>regionramimage) IS >ramimage ;
1678:
1679: : relax-writeprotection ( -- )
1680: ['] (>regionimage) IS >ramimage ;
1681:
1682: : writeprotection-relaxed? ( -- )
1683: ['] >ramimage >body @ ['] (>regionimage) = ;
1684:
1.1 anton 1685: \ Target memory access 06oct92py
1686:
1687: : align+ ( taddr -- rest )
1.48 anton 1688: tcell tuck 1- and - [ tcell 1- ] Literal and ;
1.22 anton 1689: : cfalign+ ( taddr -- rest )
1.39 pazsan 1690: \ see kernel.fs:cfaligned
1.43 pazsan 1691: /maxalign tuck 1- and - [ /maxalign 1- ] Literal and ;
1.1 anton 1692:
1693: >TARGET
1694: : aligned ( taddr -- ta-addr ) dup align+ + ;
1695: \ assumes cell alignment granularity (as GNU C)
1696:
1.22 anton 1697: : cfaligned ( taddr1 -- taddr2 )
1.39 pazsan 1698: \ see kernel.fs
1.22 anton 1699: dup cfalign+ + ;
1700:
1.52 jwilke 1701: : @ ( taddr -- w ) >image S@ ;
1.124 jwilke 1702: : ! ( w taddr -- ) >ramimage S! ;
1.57 pazsan 1703: : c@ ( taddr -- char ) >image Sc@ ;
1.124 jwilke 1704: : c! ( char taddr -- ) >ramimage Sc! ;
1.7 anton 1705: : 2@ ( taddr -- x1 x2 ) T dup cell+ @ swap @ H ;
1.82 pazsan 1706: : 2! ( x1 x2 taddr -- ) T tuck ! cell+ ! H ;
1.1 anton 1707:
1708: \ Target compilation primitives 06oct92py
1709: \ included A! 16may93jaw
1710:
1711: : here ( -- there ) there ;
1712: : allot ( n -- ) tdp +! ;
1.78 jwilke 1713: : , ( w -- ) T here H tcell T allot ! H ;
1714: : c, ( char -- ) T here H tchar T allot c! H ;
1715: : align ( -- ) T here H align+ 0 ?DO bl T c, H tchar +LOOP ;
1.22 anton 1716: : cfalign ( -- )
1.78 jwilke 1717: T here H cfalign+ 0 ?DO bl T c, H tchar +LOOP ;
1.1 anton 1718:
1.71 jwilke 1719: : >address dup 0>= IF tbyte / THEN ; \ ?? jaw
1.59 pazsan 1720: : A! swap >address swap dup relon T ! H ;
1721: : A, ( w -- ) >address T here H relon T , H ;
1.1 anton 1722:
1.118 pazsan 1723: \ high-level ghosts
1724:
1725: >CROSS
1726:
1727: Ghost (do) Ghost (?do) 2drop
1728: Ghost (for) drop
1729: Ghost (loop) Ghost (+loop) 2drop
1730: Ghost (next) drop
1.170 pazsan 1731: Ghost !does drop
1.146 anton 1732: Ghost compile, drop
1.118 pazsan 1733: Ghost (.") Ghost (S") Ghost (ABORT") 2drop drop
1.130 pazsan 1734: Ghost (C") Ghost c(abort") Ghost type 2drop drop
1.118 pazsan 1735: Ghost ' drop
1736:
1737: \ user ghosts
1738:
1739: Ghost state drop
1.103 jwilke 1740:
1741: \ \ -------------------- Host/Target copy etc. 29aug01jaw
1742:
1743:
1744: >CROSS
1745:
1.107 jwilke 1746: : TD! >image DS! ;
1747: : TD@ >image DS@ ;
1748:
1.103 jwilke 1749: : th-count ( taddr -- host-addr len )
1750: \G returns host address of target string
1751: assert1( tbyte 1 = )
1752: dup X c@ swap X char+ >image swap ;
1753:
1754: : ht-move ( haddr taddr len -- )
1755: \G moves data from host-addr to destination in target-addr
1756: \G character by character
1757: swap -rot bounds ?DO I c@ over X c! X char+ LOOP drop ;
1758:
1759: 2Variable last-string
1.157 pazsan 1760: X has? rom [IF] $60 [ELSE] $00 [THEN] Constant header-masks
1.103 jwilke 1761:
1.157 pazsan 1762: : ht-header, ( addr count -- )
1763: dup there swap last-string 2!
1764: dup header-masks or T c, H bounds ?DO I c@ T c, H LOOP ;
1.103 jwilke 1765: : ht-string, ( addr count -- )
1766: dup there swap last-string 2!
1.130 pazsan 1767: dup T c, H bounds ?DO I c@ T c, H LOOP ;
1768: : ht-mem, ( addr count )
1769: bounds ?DO I c@ T c, H LOOP ;
1.103 jwilke 1770:
1771: >TARGET
1772:
1773: : count dup X c@ swap X char+ swap ;
1.110 jwilke 1774:
1.149 pazsan 1775: : on >r -1 -1 r> TD! ;
1.103 jwilke 1776: : off T 0 swap ! H ;
1.1 anton 1777:
1.107 jwilke 1778: : tcmove ( source dest len -- )
1779: \G cmove in target memory
1780: tchar * bounds
1781: ?DO dup T c@ H I T c! H 1+
1782: tchar +LOOP drop ;
1783:
1.154 pazsan 1784: : tcallot ( char size -- )
1785: 0 ?DO dup T c, H tchar +LOOP drop ;
1786:
1.107 jwilke 1787: : td, ( d -- )
1788: \G Store a host value as one cell into the target
1789: there tcell X allot TD! ;
1790:
1791: \ \ Load Assembler
1792:
1793: >TARGET
1794: H also Forth definitions
1795:
1796: \ FIXME: should we include the assembler really in the forth
1797: \ dictionary?!?!?!? This conflicts with the existing assembler
1798: \ of the host forth system!!
1799: [IFDEF] asm-include asm-include [THEN] hex
1800:
1801: previous
1802:
1803:
1.52 jwilke 1804: >CROSS
1805:
1.103 jwilke 1806: : (cc) T a, H ; ' (cc) plugin-of colon,
1.105 jwilke 1807: : (prim) T a, H ; ' (prim) plugin-of prim,
1.52 jwilke 1808:
1.118 pazsan 1809: : (cr) >tempdp colon, tempdp> ; ' (cr) plugin-of colon-resolve
1.103 jwilke 1810: : (ar) T ! H ; ' (ar) plugin-of addr-resolve
1.54 pazsan 1811: : (dr) ( ghost res-pnt target-addr addr )
1812: >tempdp drop over
1813: dup >magic @ <do:> =
1814: IF doer,
1815: ELSE dodoes,
1816: THEN
1.103 jwilke 1817: tempdp> ; ' (dr) plugin-of doer-resolve
1.54 pazsan 1818:
1819: : (cm) ( -- addr )
1.121 jwilke 1820: there -1 colon, ; ' (cm) plugin-of colonmark,
1.1 anton 1821:
1.52 jwilke 1822: >TARGET
1.105 jwilke 1823: : compile, ( xt -- )
1.107 jwilke 1824: dup xt>ghost >comp @ EXECUTE ;
1.52 jwilke 1825: >CROSS
1.1 anton 1826:
1.102 jwilke 1827: \ resolve structure
1828:
1829: : >next ; \ link to next field
1830: : >tag cell+ ; \ indecates type of reference: 0: call, 1: address, 2: doer
1831: : >taddr cell+ cell+ ;
1832: : >ghost 3 cells + ;
1833: : >file 4 cells + ;
1834: : >line 5 cells + ;
1835:
1836: : (refered) ( ghost addr tag -- )
1837: \G creates a reference to ghost at address taddr
1.103 jwilke 1838: >space
1839: rot >link linked
1.102 jwilke 1840: ( taddr tag ) ,
1841: ( taddr ) ,
1842: last-header-ghost @ ,
1843: loadfile ,
1844: sourceline# ,
1.103 jwilke 1845: space>
1.118 pazsan 1846: ;
1847:
1.52 jwilke 1848: : refered ( ghost tag -- )
1.53 jwilke 1849: \G creates a resolve structure
1.54 pazsan 1850: T here aligned H swap (refered)
1851: ;
1852:
1853: : killref ( addr ghost -- )
1854: \G kills a forward reference to ghost at position addr
1855: \G this is used to eleminate a :dovar refence after making a DOES>
1856: dup >magic @ <fwd> <> IF 2drop EXIT THEN
1857: swap >r >link
1858: BEGIN dup @ dup ( addr last this )
1859: WHILE dup >taddr @ r@ =
1860: IF @ over !
1861: ELSE nip THEN
1862: REPEAT rdrop 2drop
1.53 jwilke 1863: ;
1.48 anton 1864:
1.52 jwilke 1865: Defer resolve-warning
1.1 anton 1866:
1.52 jwilke 1867: : reswarn-test ( ghost res-struct -- ghost res-struct )
1.78 jwilke 1868: over cr ." Resolving " .ghost dup ." in " >ghost @ .ghost ;
1.1 anton 1869:
1.52 jwilke 1870: : reswarn-forward ( ghost res-struct -- ghost res-struct )
1.78 jwilke 1871: over warnhead .ghost dup ." is referenced in "
1872: >ghost @ .ghost ;
1.1 anton 1873:
1.52 jwilke 1874: \ ' reswarn-test IS resolve-warning
1875:
1.1 anton 1876: \ resolve 14oct92py
1877:
1.54 pazsan 1878: : resolve-loop ( ghost resolve-list tcfa -- )
1879: >r
1880: BEGIN dup WHILE
1881: \ dup >tag @ 2 = IF reswarn-forward THEN
1882: resolve-warning
1883: r@ over >taddr @
1884: 2 pick >tag @
1885: CASE 0 OF colon-resolve ENDOF
1886: 1 OF addr-resolve ENDOF
1887: 2 OF doer-resolve ENDOF
1888: ENDCASE
1889: @ \ next list element
1890: REPEAT 2drop rdrop
1891: ;
1.52 jwilke 1892:
1893: \ : resolve-loop ( ghost tcfa -- ghost tcfa )
1894: \ >r dup >link @
1895: \ BEGIN dup WHILE dup T @ H r@ rot T ! H REPEAT drop r> ;
1.1 anton 1896:
1897: \ exists 9may93jaw
1898:
1.103 jwilke 1899: : exists ( ghost tcfa -- )
1900: \G print warning and set new target link in ghost
1901: swap exists-warning
1902: >link ! ;
1.52 jwilke 1903:
1.105 jwilke 1904: : colon-resolved ( ghost -- )
1.121 jwilke 1905: \ compiles a call to a colon definition,
1906: \ compile action for >comp field
1907: >link @ colon, ;
1.105 jwilke 1908:
1909: : prim-resolved ( ghost -- )
1.121 jwilke 1910: \ compiles a call to a primitive
1.105 jwilke 1911: >link @ prim, ;
1912:
1.121 jwilke 1913: : (is-forward) ( ghost -- )
1914: colonmark, 0 (refered) ; \ compile space for call
1915: ' (is-forward) IS is-forward
1916:
1.118 pazsan 1917: 0 Value resolved
1.1 anton 1918:
1.122 jwilke 1919: : resolve-forward-references ( ghost resolve-list -- )
1920: \ loop through forward referencies
1921: comp-state @ >r Resolving comp-state !
1922: over >link @ resolve-loop
1923: r> comp-state !
1924:
1925: ['] noop IS resolve-warning ;
1926:
1927:
1928: : (resolve) ( ghost tcfa -- ghost resolve-list )
1929: \ check for a valid address, it is a primitive reference
1930: \ otherwise
1.103 jwilke 1931: dup taddr>region 0<> IF
1.122 jwilke 1932: \ define this address in the region address type table
1.103 jwilke 1933: 2dup (>regiontype) define-addr-struct addr-xt-ghost
1934: \ we define new address only if empty
1.105 jwilke 1935: \ this is for not to take over the alias ghost
1936: \ (different ghost, but identical xt)
1.103 jwilke 1937: \ but the very first that really defines it
1938: dup @ 0= IF ! ELSE 2drop THEN
1939: THEN
1.122 jwilke 1940: swap >r
1.118 pazsan 1941: r@ to resolved
1.121 jwilke 1942:
1943: \ r@ >comp @ ['] is-forward =
1944: \ ABORT" >comp action not set on a resolved ghost"
1945:
1946: \ copmile action defaults to colon-resolved
1947: \ if this is not right something must be set before
1948: \ calling resolve
1949: r@ >comp @ ['] is-forward = IF
1.122 jwilke 1950: ['] colon-resolved r@ >comp !
1951: THEN
1952: r@ >link @ swap \ ( list tcfa R: ghost )
1953: \ mark ghost as resolved
1954: r@ >link ! <res> r@ >magic !
1955: r> swap ;
1.54 pazsan 1956:
1.122 jwilke 1957: : resolve ( ghost tcfa -- )
1958: \G resolve referencies to ghost with tcfa
1959: \ is ghost resolved?, second resolve means another
1960: \ definition with the same name
1961: over undefined? 0= IF exists EXIT THEN
1962: (resolve)
1963: ( ghost resolve-list )
1964: resolve-forward-references ;
1965:
1966: : resolve-noforwards ( ghost tcfa -- )
1967: \G Same as resolve but complain if there are any
1968: \G forward references on this ghost
1969: \ is ghost resolved?, second resolve means another
1970: \ definition with the same name
1971: over undefined? 0= IF exists EXIT THEN
1972: (resolve)
1973: IF cr ." No forward references allowed on: " .ghost cr
1974: -1 ABORT" Illegal forward reference"
1975: THEN
1976: drop ;
1.1 anton 1977:
1978: \ gexecute ghost, 01nov92py
1979:
1.103 jwilke 1980: : (gexecute) ( ghost -- )
1.105 jwilke 1981: dup >comp @ EXECUTE ;
1.103 jwilke 1982:
1983: : gexecute ( ghost -- )
1.120 jwilke 1984: dup >magic @ <imm> = ABORT" CROSS: gexecute on immediate word"
1.103 jwilke 1985: (gexecute) ;
1.52 jwilke 1986:
1987: : addr, ( ghost -- )
1.105 jwilke 1988: dup forward? IF 1 refered 0 T a, H ELSE >link @ T a, H THEN ;
1.52 jwilke 1989:
1.1 anton 1990: \ .unresolved 11may93jaw
1991:
1992: variable ResolveFlag
1993:
1994: \ ?touched 11may93jaw
1995:
1.52 jwilke 1996: : ?touched ( ghost -- flag ) dup forward? swap >link @
1.1 anton 1997: 0 <> and ;
1998:
1.53 jwilke 1999: : .forwarddefs ( ghost -- )
1.103 jwilke 2000: ." appeared in:"
2001: >link
2002: BEGIN @ dup
2003: WHILE cr 5 spaces
2004: dup >ghost @ .ghost
2005: ." file " dup >file @ ?dup IF count type ELSE ." CON" THEN
2006: ." line " dup >line @ .dec
2007: REPEAT
2008: drop ;
2009:
2010: : ?resolved ( ghost -- )
2011: dup ?touched
2012: IF ResolveFlag on
2013: dup cr .ghost .forwarddefs
1.53 jwilke 2014: ELSE drop
2015: THEN ;
1.1 anton 2016:
2017: : .unresolved ( -- )
2018: ResolveFlag off cr ." Unresolved: "
1.103 jwilke 2019: ghost-list
1.1 anton 2020: BEGIN @ dup
2021: WHILE dup ?resolved
1.10 anton 2022: REPEAT drop ResolveFlag @
2023: IF
1.48 anton 2024: -1 abort" Unresolved words!"
1.10 anton 2025: ELSE
2026: ." Nothing!"
2027: THEN
2028: cr ;
1.1 anton 2029:
1.52 jwilke 2030: : .stats
2031: base @ >r decimal
2032: cr ." named Headers: " headers-named @ .
2033: r> base ! ;
2034:
1.79 jwilke 2035: >MINIMAL
2036:
2037: : .unresolved .unresolved ;
2038:
1.1 anton 2039: >CROSS
2040: \ Header states 12dec92py
2041:
1.102 jwilke 2042: \ : flag! ( 8b -- ) tlast @ dup >r T c@ xor r> c! H ;
1.142 pazsan 2043: X has? f83headerstring bigendian or [IF] 0 [ELSE] tcell 1- [THEN] Constant flag+
1.90 pazsan 2044: : flag! ( w -- ) tlast @ flag+ + dup >r T c@ xor r> c! H ;
1.1 anton 2045:
2046: VARIABLE ^imm
2047:
1.105 jwilke 2048: \ !! should be target wordsize specific
2049: $80 constant alias-mask
2050: $40 constant immediate-mask
2051: $20 constant restrict-mask
2052:
1.1 anton 2053: >TARGET
1.105 jwilke 2054: : immediate immediate-mask flag!
1.18 pazsan 2055: ^imm @ @ dup <imm> = IF drop EXIT THEN
1.1 anton 2056: <res> <> ABORT" CROSS: Cannot immediate a unresolved word"
2057: <imm> ^imm @ ! ;
1.105 jwilke 2058: : restrict restrict-mask flag! ;
1.52 jwilke 2059:
1.54 pazsan 2060: : isdoer
2061: \G define a forth word as doer, this makes obviously only sence on
2062: \G forth processors such as the PSC1000
2063: <do:> last-header-ghost @ >magic ! ;
1.1 anton 2064: >CROSS
2065:
2066: \ Target Header Creation 01nov92py
2067:
1.103 jwilke 2068: : ht-lstring, ( addr count -- )
1.102 jwilke 2069: dup T , H bounds ?DO I c@ T c, H LOOP ;
2070:
1.103 jwilke 2071: >TARGET
1.139 jwilke 2072: X has? f83headerstring [IF]
1.157 pazsan 2073: : name, ( "name" -- ) bl word count ht-header, X cfalign ;
1.139 jwilke 2074: [ELSE]
1.103 jwilke 2075: : name, ( "name" -- ) bl word count ht-lstring, X cfalign ;
1.139 jwilke 2076: [THEN]
1.1 anton 2077: : view, ( -- ) ( dummy ) ;
1.52 jwilke 2078: >CROSS
1.1 anton 2079:
1.25 pazsan 2080: \ Target Document Creation (goes to crossdoc.fd) 05jul95py
2081:
1.55 pazsan 2082: s" ./doc/crossdoc.fd" r/w create-file throw value doc-file-id
1.25 pazsan 2083: \ contains the file-id of the documentation file
2084:
1.40 pazsan 2085: : T-\G ( -- )
1.25 pazsan 2086: source >in @ /string doc-file-id write-line throw
1.40 pazsan 2087: postpone \ ;
1.25 pazsan 2088:
1.39 pazsan 2089: Variable to-doc to-doc on
1.25 pazsan 2090:
2091: : cross-doc-entry ( -- )
2092: to-doc @ tlast @ 0<> and \ not an anonymous (i.e. noname) header
2093: IF
2094: s" " doc-file-id write-line throw
2095: s" make-doc " doc-file-id write-file throw
1.102 jwilke 2096:
1.105 jwilke 2097: Last-Header-Ghost @ >ghostname doc-file-id write-file throw
1.25 pazsan 2098: >in @
2099: [char] ( parse 2drop
2100: [char] ) parse doc-file-id write-file throw
2101: s" )" doc-file-id write-file throw
2102: [char] \ parse 2drop
1.40 pazsan 2103: T-\G
1.25 pazsan 2104: >in !
1.39 pazsan 2105: THEN ;
1.25 pazsan 2106:
1.28 pazsan 2107: \ Target TAGS creation
2108:
1.39 pazsan 2109: s" kernel.TAGS" r/w create-file throw value tag-file-id
1.116 pazsan 2110: s" kernel.tags" r/w create-file throw value vi-tag-file-id
1.28 pazsan 2111: \ contains the file-id of the tags file
2112:
1.137 anton 2113: Create tag-beg 1 c, 7F c,
2114: Create tag-end 1 c, 01 c,
1.28 pazsan 2115: Create tag-bof 1 c, 0C c,
1.116 pazsan 2116: Create tag-tab 1 c, 09 c,
1.28 pazsan 2117:
2118: 2variable last-loadfilename 0 0 last-loadfilename 2!
2119:
2120: : put-load-file-name ( -- )
1.77 jwilke 2121: sourcefilename last-loadfilename 2@ d<>
1.28 pazsan 2122: IF
2123: tag-bof count tag-file-id write-line throw
1.31 anton 2124: sourcefilename 2dup
1.28 pazsan 2125: tag-file-id write-file throw
2126: last-loadfilename 2!
2127: s" ,0" tag-file-id write-line throw
2128: THEN ;
2129:
1.116 pazsan 2130: : cross-gnu-tag-entry ( -- )
1.28 pazsan 2131: tlast @ 0<> \ not an anonymous (i.e. noname) header
2132: IF
2133: put-load-file-name
2134: source >in @ min tag-file-id write-file throw
2135: tag-beg count tag-file-id write-file throw
1.116 pazsan 2136: Last-Header-Ghost @ >ghostname tag-file-id write-file throw
1.28 pazsan 2137: tag-end count tag-file-id write-file throw
1.31 anton 2138: base @ decimal sourceline# 0 <# #s #> tag-file-id write-file throw
1.28 pazsan 2139: \ >in @ 0 <# #s [char] , hold #> tag-file-id write-line throw
2140: s" ,0" tag-file-id write-line throw
2141: base !
2142: THEN ;
1.116 pazsan 2143:
2144: : cross-vi-tag-entry ( -- )
2145: tlast @ 0<> \ not an anonymous (i.e. noname) header
2146: IF
2147: sourcefilename vi-tag-file-id write-file throw
2148: tag-tab count vi-tag-file-id write-file throw
2149: Last-Header-Ghost @ >ghostname vi-tag-file-id write-file throw
2150: tag-tab count vi-tag-file-id write-file throw
2151: s" /^" vi-tag-file-id write-file throw
2152: source vi-tag-file-id write-file throw
2153: s" $/" vi-tag-file-id write-line throw
2154: THEN ;
2155:
2156: : cross-tag-entry ( -- )
2157: cross-gnu-tag-entry
2158: cross-vi-tag-entry ;
1.28 pazsan 2159:
1.43 pazsan 2160: \ Check for words
2161:
2162: Defer skip? ' false IS skip?
2163:
1.103 jwilke 2164: : skipdef ( "name" -- )
1.79 jwilke 2165: \G skip definition of an undefined word in undef-words and
2166: \G all-words mode
1.103 jwilke 2167: Ghost dup forward?
1.75 jwilke 2168: IF >magic <skip> swap !
2169: ELSE drop THEN ;
2170:
1.103 jwilke 2171: : tdefined? ( "name" -- flag )
2172: Ghost undefined? 0= ;
1.75 jwilke 2173:
1.103 jwilke 2174: : defined2? ( "name" -- flag )
1.75 jwilke 2175: \G return true for anything else than forward, even for <skip>
2176: \G that's what we want
1.103 jwilke 2177: Ghost forward? 0= ;
1.43 pazsan 2178:
1.103 jwilke 2179: : forced? ( "name" -- flag )
1.79 jwilke 2180: \G return ture if it is a foreced skip with defskip
1.103 jwilke 2181: Ghost >magic @ <skip> = ;
1.79 jwilke 2182:
1.43 pazsan 2183: : needed? ( -- flag ) \ name
1.48 anton 2184: \G returns a false flag when
2185: \G a word is not defined
2186: \G a forward reference exists
2187: \G so the definition is not skipped!
2188: bl word gfind
1.75 jwilke 2189: IF dup undefined?
1.48 anton 2190: nip
2191: 0=
2192: ELSE drop true THEN ;
1.43 pazsan 2193:
1.139 jwilke 2194: : doer? ( "name" -- 0 | addr ) \ name
2195: Ghost dup >magic @ <do:> =
2196: IF >link @ ELSE drop 0 THEN ;
1.44 pazsan 2197:
1.43 pazsan 2198: : skip-defs ( -- )
2199: BEGIN refill WHILE source -trailing nip 0= UNTIL THEN ;
2200:
1.28 pazsan 2201: \ Target header creation
2202:
1.54 pazsan 2203: Variable NoHeaderFlag
2204: NoHeaderFlag off
1.1 anton 2205:
1.54 pazsan 2206: : 0.r ( n1 n2 -- )
2207: base @ >r hex
2208: 0 swap <# 0 ?DO # LOOP #> type
2209: r> base ! ;
1.84 jwilke 2210:
2211: : .sym ( adr len -- )
2212: \G escapes / and \ to produce sed output
1.52 jwilke 2213: bounds
2214: DO I c@ dup
1.77 jwilke 2215: CASE [char] / OF drop ." \/" ENDOF
2216: [char] \ OF drop ." \\" ENDOF
1.52 jwilke 2217: dup OF emit ENDOF
2218: ENDCASE
1.54 pazsan 2219: LOOP ;
1.52 jwilke 2220:
1.147 pazsan 2221: Defer setup-execution-semantics ' noop IS setup-execution-semantics
1.103 jwilke 2222: 0 Value lastghost
2223:
2224: : (THeader ( "name" -- ghost )
1.54 pazsan 2225: \ >in @ bl word count type 2 spaces >in !
2226: \ wordheaders will always be compiled to rom
2227: switchrom
2228: \ build header in target
2229: NoHeaderFlag @
2230: IF NoHeaderFlag off
2231: ELSE
2232: T align H view,
1.78 jwilke 2233: tlast @ dup 0> IF tcell - THEN T A, H there tlast !
1.54 pazsan 2234: 1 headers-named +! \ Statistic
2235: >in @ T name, H >in !
2236: THEN
2237: T cfalign here H tlastcfa !
1.84 jwilke 2238: \ Old Symbol table sed-script
1.54 pazsan 2239: \ >in @ cr ." sym:s/CFA=" there 4 0.r ." /" bl word count .sym ." /g" cr >in !
1.103 jwilke 2240: HeaderGhost
1.84 jwilke 2241: \ output symbol table to extra file
1.123 jwilke 2242: dup >ghostname there symentry
1.103 jwilke 2243: dup Last-Header-Ghost ! dup to lastghost
1.54 pazsan 2244: dup >magic ^imm ! \ a pointer for immediate
1.105 jwilke 2245: alias-mask flag!
1.103 jwilke 2246: cross-doc-entry cross-tag-entry
2247: setup-execution-semantics
2248: ;
1.1 anton 2249:
1.52 jwilke 2250: \ this is the resolver information from ":"
2251: \ resolving is done by ";"
1.103 jwilke 2252: Variable ;Resolve 1 cells allot
2253:
2254: : hereresolve ( ghost -- )
2255: there resolve 0 ;Resolve ! ;
1.1 anton 2256:
1.11 pazsan 2257: : Theader ( "name" -- ghost )
1.103 jwilke 2258: (THeader dup hereresolve ;
2259:
2260: Variable aprim-nr -20 aprim-nr !
2261:
2262: : copy-execution-semantics ( ghost-from ghost-dest -- )
2263: >r
2264: dup >exec @ r@ >exec !
1.117 pazsan 2265: dup >comp @ r@ >comp !
1.103 jwilke 2266: dup >exec2 @ r@ >exec2 !
2267: dup >exec-compile @ r@ >exec-compile !
2268: dup >ghost-xt @ r@ >ghost-xt !
2269: dup >created @ r@ >created !
2270: rdrop drop ;
1.1 anton 2271:
2272: >TARGET
1.103 jwilke 2273:
1.1 anton 2274: : Alias ( cfa -- ) \ name
1.103 jwilke 2275: >in @ skip? IF 2drop EXIT THEN >in !
2276: (THeader ( S xt ghost )
1.105 jwilke 2277: 2dup swap xt>ghost swap copy-execution-semantics
2278: over resolve T A, H alias-mask flag! ;
1.103 jwilke 2279:
2280: Variable last-prim-ghost
2281: 0 last-prim-ghost !
2282:
2283: : asmprimname, ( ghost -- : name )
2284: dup last-prim-ghost !
2285: >r
2286: here bl word count string, r@ >asm-name !
2287: aprim-nr @ r> >asm-dummyaddr ! ;
2288:
2289: Defer setup-prim-semantics
2290:
1.112 jwilke 2291: : mapprim ( "forthname" "asmlabel" -- )
1.103 jwilke 2292: THeader -1 aprim-nr +! aprim-nr @ T A, H
2293: asmprimname,
2294: setup-prim-semantics ;
2295:
1.112 jwilke 2296: : mapprim: ( "forthname" "asmlabel" -- )
1.103 jwilke 2297: -1 aprim-nr +! aprim-nr @
1.122 jwilke 2298: Ghost tuck swap resolve-noforwards <do:> swap tuck >magic !
1.103 jwilke 2299: asmprimname, ;
2300:
1.119 pazsan 2301: : Doer: ( cfa -- ) \ name
1.103 jwilke 2302: >in @ skip? IF 2drop EXIT THEN >in !
2303: dup 0< s" prims" T $has? H 0= and
2304: IF
2305: .sourcepos ." needs doer: " >in @ bl word count type >in ! cr
2306: THEN
1.119 pazsan 2307: Ghost
1.122 jwilke 2308: tuck swap resolve-noforwards <do:> swap >magic ! ;
1.64 pazsan 2309:
2310: Variable prim#
2311: : first-primitive ( n -- ) prim# ! ;
1.132 pazsan 2312: : group 0 word drop prim# @ 1- -$200 and prim# ! ;
1.140 pazsan 2313: : groupadd ( n -- ) drop ;
1.64 pazsan 2314: : Primitive ( -- ) \ name
1.117 pazsan 2315: >in @ skip? IF drop EXIT THEN >in !
2316: s" prims" T $has? H 0=
1.103 jwilke 2317: IF
2318: .sourcepos ." needs prim: " >in @ bl word count type >in ! cr
2319: THEN
2320: prim# @ (THeader ( S xt ghost )
1.121 jwilke 2321: ['] prim-resolved over >comp !
1.105 jwilke 2322: dup >ghost-flags <primitive> set-flag
1.163 pazsan 2323: s" EC" T $has? H 0=
2324: IF
1.164 pazsan 2325: over resolve-noforwards T A, H
1.163 pazsan 2326: alias-mask flag!
1.164 pazsan 2327: ELSE
2328: T here H resolve-noforwards T A, H
1.163 pazsan 2329: THEN
1.103 jwilke 2330: -1 prim# +! ;
1.1 anton 2331: >CROSS
2332:
2333: \ Conditionals and Comments 11may93jaw
2334:
1.103 jwilke 2335: \G saves the existing cond action, this is used for redefining in
2336: \G instant
2337: Variable cond-xt-old
2338:
2339: : cond-target ( -- )
2340: \G Compiles semantic of redefined cond into new one
2341: cond-xt-old @ compile, ; immediate restrict
2342:
1.1 anton 2343: : ;Cond
2344: postpone ;
2345: swap ! ; immediate
2346:
1.103 jwilke 2347: : Cond: ( "name" -- )
2348: \g defines a conditional or another word that must
2349: \g be executed directly while compiling
2350: \g these words have no interpretative semantics by default
2351: Ghost
2352: >exec-compile
2353: dup @ cond-xt-old !
1.1 anton 2354: :NONAME ;
2355:
2356:
2357: : Comment ( -- )
1.103 jwilke 2358: >in @ Ghost swap >in ! ' swap
2359: 2dup >exec-compile ! >exec ! ;
1.1 anton 2360:
2361: Comment ( Comment \
2362:
2363: \ compile 10may93jaw
2364:
1.103 jwilke 2365: : compile ( "name" -- ) \ name
1.115 jwilke 2366: findghost
1.103 jwilke 2367: dup >exec-compile @ ?dup
2368: IF nip compile,
2369: ELSE postpone literal postpone gexecute THEN ; immediate restrict
2370:
1.52 jwilke 2371: >TARGET
2372:
1.105 jwilke 2373: : ' ( -- xt )
2374: \G returns the target-cfa of a ghost
1.52 jwilke 2375: bl word gfind 0= ABORT" CROSS: Ghost don't exists"
1.105 jwilke 2376: g>xt ;
1.52 jwilke 2377:
1.103 jwilke 2378: \ FIXME: this works for the current use cases, but is not
2379: \ in all cases correct ;-)
2380: : comp' X ' 0 ;
2381:
1.52 jwilke 2382: Cond: ['] T ' H alit, ;Cond
2383:
2384: >CROSS
2385:
2386: : [T']
2387: \ returns the target-cfa of a ghost, or compiles it as literal
1.115 jwilke 2388: postpone [G']
2389: state @ IF postpone g>xt ELSE g>xt THEN ; immediate
1.42 pazsan 2390:
1.52 jwilke 2391: \ \ threading modell 13dec92py
2392: \ modularized 14jun97jaw
2393:
1.106 jwilke 2394: T 2 cells H Value xt>body
1.52 jwilke 2395:
1.103 jwilke 2396: : (>body) ( cfa -- pfa )
1.105 jwilke 2397: xt>body + ; ' (>body) plugin-of t>body
2398:
2399: : fillcfa ( usedcells -- )
1.106 jwilke 2400: T cells H xt>body swap -
1.105 jwilke 2401: assert1( dup 0 >= )
2402: 0 ?DO 0 X c, tchar +LOOP ;
1.52 jwilke 2403:
1.103 jwilke 2404: : (doer,) ( ghost -- )
1.105 jwilke 2405: addr, 1 fillcfa ; ' (doer,) plugin-of doer,
1.52 jwilke 2406:
1.105 jwilke 2407: : (docol,) ( -- ) [G'] :docol (doer,) ; ' (docol,) plugin-of docol,
1.52 jwilke 2408:
1.121 jwilke 2409: ' NOOP plugin-of ca>native
2410:
1.52 jwilke 2411: : (doprim,) ( -- )
1.105 jwilke 2412: there xt>body + ca>native T a, H 1 fillcfa ; ' (doprim,) plugin-of doprim,
1.52 jwilke 2413:
2414: : (doeshandler,) ( -- )
1.171 anton 2415: T H ; ' (doeshandler,) plugin-of doeshandler,
1.52 jwilke 2416:
2417: : (dodoes,) ( does-action-ghost -- )
1.119 pazsan 2418: ]comp [G'] :dodoes addr, comp[
1.52 jwilke 2419: addr,
1.105 jwilke 2420: 2 fillcfa ; ' (dodoes,) plugin-of dodoes,
1.52 jwilke 2421:
1.107 jwilke 2422: : (dlit,) ( n -- ) compile lit td, ; ' (dlit,) plugin-of dlit,
2423:
2424: : (lit,) ( n -- ) s>d dlit, ; ' (lit,) plugin-of lit,
1.52 jwilke 2425:
1.67 jwilke 2426: \ if we dont produce relocatable code alit, defaults to lit, jaw
1.84 jwilke 2427: \ this is just for convenience, so we don't have to define alit,
2428: \ seperately for embedded systems....
2429: T has? relocate H
1.67 jwilke 2430: [IF]
1.105 jwilke 2431: : (alit,) ( n -- ) compile lit T a, H ; ' (alit,) plugin-of alit,
1.67 jwilke 2432: [ELSE]
1.105 jwilke 2433: : (alit,) ( n -- ) lit, ; ' (alit,) plugin-of alit,
1.67 jwilke 2434: [THEN]
1.52 jwilke 2435:
1.105 jwilke 2436: : (fini,) compile ;s ; ' (fini,) plugin-of fini,
1.42 pazsan 2437:
1.43 pazsan 2438: [IFUNDEF] (code)
2439: Defer (code)
2440: Defer (end-code)
2441: [THEN]
2442:
1.1 anton 2443: >TARGET
1.43 pazsan 2444: : Code
1.52 jwilke 2445: defempty?
1.121 jwilke 2446: (THeader ( ghost )
2447: ['] prim-resolved over >comp !
1.122 jwilke 2448: there resolve-noforwards
1.121 jwilke 2449:
1.53 jwilke 2450: [ T e? prims H 0= [IF] T e? ITC H [ELSE] true [THEN] ] [IF]
1.52 jwilke 2451: doprim,
1.48 anton 2452: [THEN]
2453: depth (code) ;
1.43 pazsan 2454:
1.121 jwilke 2455: \ FIXME : no-compile -1 ABORT" this ghost is not for compilation" ;
2456:
1.43 pazsan 2457: : Code:
1.52 jwilke 2458: defempty?
1.121 jwilke 2459: Ghost >r
1.123 jwilke 2460: r@ >ghostname there symentry
1.122 jwilke 2461: r@ there ca>native resolve-noforwards
1.121 jwilke 2462: <do:> r@ >magic !
2463: r> drop
1.43 pazsan 2464: depth (code) ;
2465:
2466: : end-code
1.52 jwilke 2467: (end-code)
1.43 pazsan 2468: depth ?dup IF 1- <> ABORT" CROSS: Stack changed"
2469: ELSE true ABORT" CROSS: Stack empty" THEN
1.52 jwilke 2470: ;
1.14 anton 2471:
1.1 anton 2472: >CROSS
1.52 jwilke 2473:
1.1 anton 2474: \ tLiteral 12dec92py
2475:
2476: >TARGET
1.40 pazsan 2477: Cond: \G T-\G ;Cond
2478:
1.105 jwilke 2479: Cond: Literal ( n -- ) lit, ;Cond
1.103 jwilke 2480: Cond: ALiteral ( n -- ) alit, ;Cond
1.1 anton 2481:
2482: : Char ( "<char>" -- ) bl word char+ c@ ;
1.103 jwilke 2483: Cond: [Char] ( "<char>" -- ) Char lit, ;Cond
2484:
1.139 jwilke 2485: : (x#) ( adr len base -- )
2486: base @ >r base ! 0 0 name >number 2drop drop r> base ! ;
2487:
2488: : d# $0a (x#) ;
2489: : h# $010 (x#) ;
2490:
2491: Cond: d# $0a (x#) lit, ;Cond
2492: Cond: h# $010 (x#) lit, ;Cond
2493:
1.104 jwilke 2494: tchar 1 = [IF]
1.110 jwilke 2495: Cond: chars ;Cond
1.104 jwilke 2496: [THEN]
1.1 anton 2497:
1.43 pazsan 2498: \ some special literals 27jan97jaw
2499:
2500: Cond: MAXU
1.125 jwilke 2501: -1 s>d dlit,
1.52 jwilke 2502: ;Cond
1.43 pazsan 2503:
1.125 jwilke 2504: tcell 2 = tcell 4 = or tcell 8 = or 0=
2505: [IF]
2506: .( Warning: MINI and MAXI may not work with this host) cr
2507: [THEN]
2508:
1.43 pazsan 2509: Cond: MINI
1.125 jwilke 2510: tcell 2 = IF $8000 ELSE $80000000 THEN 0
2511: tcell 8 = IF swap THEN dlit,
1.52 jwilke 2512: ;Cond
1.43 pazsan 2513:
2514: Cond: MAXI
1.125 jwilke 2515: tcell 2 = IF $7fff ELSE $7fffffff THEN 0
2516: tcell 8 = IF drop -1 swap THEN dlit,
2517: ;Cond
1.43 pazsan 2518:
1.1 anton 2519: >CROSS
1.115 jwilke 2520:
1.1 anton 2521: \ Target compiling loop 12dec92py
2522: \ ">tib trick thrown out 10may93jaw
2523: \ number? defined at the top 11may93jaw
1.77 jwilke 2524: \ replaced >in by save-input
2525:
2526: : discard 0 ?DO drop LOOP ;
1.1 anton 2527:
2528: \ compiled word might leave items on stack!
1.77 jwilke 2529: : tcom ( x1 .. xn n name -- )
2530: \ dup count type space
1.103 jwilke 2531: gfind
2532: IF >r ( discard saved input state ) discard r>
2533: dup >exec-compile @ ?dup
2534: IF nip execute-exec-compile ELSE gexecute THEN
1.77 jwilke 2535: EXIT
2536: THEN
1.167 anton 2537: (number?) dup
1.77 jwilke 2538: IF 0> IF swap lit, THEN lit, discard
1.103 jwilke 2539: ELSE 2drop restore-input throw Ghost gexecute THEN ;
1.1 anton 2540:
2541: \ : ; DOES> 13dec92py
2542: \ ] 9may93py/jaw
2543:
1.115 jwilke 2544: >CROSS
2545:
1.105 jwilke 2546: : compiling-state ( -- )
2547: \G set states to compililng
1.54 pazsan 2548: Compiling comp-state !
1.103 jwilke 2549: \ if we have a state in target, change it with the compile state
1.105 jwilke 2550: [G'] state dup undefined? 0=
2551: IF >ghost-xt @ execute X on ELSE drop THEN ;
2552:
2553: : interpreting-state ( -- )
2554: \G set states to interpreting
2555: \ if target has a state variable, change it according to our state
2556: [G'] state dup undefined? 0=
2557: IF >ghost-xt @ execute X off ELSE drop THEN
2558: Interpreting comp-state ! ;
1.115 jwilke 2559:
2560: >TARGET
1.105 jwilke 2561:
2562: : ]
2563: compiling-state
1.1 anton 2564: BEGIN
1.77 jwilke 2565: BEGIN save-input bl word
2566: dup c@ 0= WHILE drop discard refill 0=
1.1 anton 2567: ABORT" CROSS: End of file while target compiling"
2568: REPEAT
2569: tcom
1.103 jwilke 2570: compiling? 0=
1.1 anton 2571: UNTIL ;
2572:
2573: \ by the way: defining a second interpreter (a compiler-)loop
2574: \ is not allowed if a system should be ans conform
2575:
1.110 jwilke 2576: : (:) ( ghost -- )
2577: \ common factor of : and :noname. Prepare ;Resolve and start definition
2578: ;Resolve ! there ;Resolve cell+ !
2579: docol, ]comp colon-start depth T ] H ;
2580:
1.1 anton 2581: : : ( -- colon-sys ) \ Name
1.52 jwilke 2582: defempty?
2583: constflag off \ don't let this flag work over colon defs
2584: \ just to go sure nothing unwanted happens
1.43 pazsan 2585: >in @ skip? IF drop skip-defs EXIT THEN >in !
1.110 jwilke 2586: (THeader (:) ;
1.1 anton 2587:
1.37 pazsan 2588: : :noname ( -- colon-sys )
1.155 pazsan 2589: switchrom X cfalign there
1.110 jwilke 2590: \ define a nameless ghost
2591: here ghostheader dup last-header-ghost ! dup to lastghost
2592: (:) ;
1.37 pazsan 2593:
1.103 jwilke 2594: Cond: EXIT ( -- ) compile ;S ;Cond
1.6 anton 2595:
2596: Cond: ?EXIT ( -- ) 1 abort" CROSS: using ?exit" ;Cond
1.2 pazsan 2597:
1.52 jwilke 2598: >CROSS
2599: : LastXT ;Resolve @ 0= abort" CROSS: no definition for LastXT"
2600: ;Resolve cell+ @ ;
2601:
2602: >TARGET
2603:
1.103 jwilke 2604: Cond: recurse ( -- ) Last-Header-Ghost @ gexecute ;Cond
1.52 jwilke 2605:
1.103 jwilke 2606: Cond: ; ( -- )
1.105 jwilke 2607: depth ?dup
2608: IF 1- <> ABORT" CROSS: Stack changed"
2609: ELSE true ABORT" CROSS: Stack empty"
2610: THEN
2611: colon-end
2612: fini,
2613: comp[
2614: ;Resolve @
1.118 pazsan 2615: IF ['] colon-resolved ;Resolve @ >comp !
2616: ;Resolve @ ;Resolve cell+ @ resolve
1.105 jwilke 2617: THEN
2618: interpreting-state
2619: ;Cond
2620:
2621: Cond: [ ( -- ) interpreting-state ;Cond
1.1 anton 2622:
2623: >CROSS
1.54 pazsan 2624:
1.117 pazsan 2625: 0 Value created
1.54 pazsan 2626:
1.52 jwilke 2627: : !does ( does-action -- )
1.54 pazsan 2628: tlastcfa @ [G'] :dovar killref
1.117 pazsan 2629: >space here >r ghostheader space>
1.121 jwilke 2630: ['] colon-resolved r@ >comp !
1.117 pazsan 2631: r@ created >do:ghost ! r@ swap resolve
2632: r> tlastcfa @ >tempdp dodoes, tempdp> ;
1.103 jwilke 2633:
1.147 pazsan 2634: Defer instant-interpret-does>-hook ' noop IS instant-interpret-does>-hook
1.103 jwilke 2635:
1.162 pazsan 2636: T has? primcentric H [IF]
1.118 pazsan 2637: : does-resolved ( ghost -- )
2638: compile does-exec g>xt T a, H ;
1.134 pazsan 2639: [ELSE]
2640: : does-resolved ( ghost -- )
2641: g>xt T a, H ;
2642: [THEN]
1.118 pazsan 2643:
1.103 jwilke 2644: : resolve-does>-part ( -- )
2645: \ resolve words made by builders
1.105 jwilke 2646: Last-Header-Ghost @ >do:ghost @ ?dup
1.117 pazsan 2647: IF there resolve THEN ;
1.103 jwilke 2648:
1.1 anton 2649: >TARGET
1.103 jwilke 2650: Cond: DOES>
1.162 pazsan 2651: T here H [ T has? primcentric H [IF] ] 5 [ [ELSE] ] 4 [ [THEN] ] T cells
1.170 pazsan 2652: H + alit, compile !does compile ;s
1.144 pazsan 2653: doeshandler, resolve-does>-part
1.1 anton 2654: ;Cond
1.103 jwilke 2655:
1.118 pazsan 2656: : DOES>
2657: ['] does-resolved created >comp !
2658: switchrom doeshandler, T here H !does
2659: instant-interpret-does>-hook
2660: depth T ] H ;
1.1 anton 2661:
2662: >CROSS
1.108 jwilke 2663: \ Creation 01nov92py
1.1 anton 2664:
2665: \ Builder 11may93jaw
2666:
1.108 jwilke 2667: 0 Value built
2668:
1.105 jwilke 2669: : Builder ( Create-xt do-ghost "name" -- )
1.52 jwilke 2670: \ builds up a builder in current vocabulary
2671: \ create-xt is executed when word is interpreted
1.106 jwilke 2672: \ do:-xt is executed when the created word from builder is executed
1.105 jwilke 2673: \ for do:-xt an additional entry after the normal ghost-entrys is used
1.52 jwilke 2674:
1.109 jwilke 2675: ghost to built
1.108 jwilke 2676: built >created @ 0= IF
2677: built >created on
2678: THEN ;
1.1 anton 2679:
1.52 jwilke 2680: : gdoes, ( ghost -- )
2681: \ makes the codefield for a word that is built
1.103 jwilke 2682: >do:ghost @ dup undefined? 0=
1.52 jwilke 2683: IF
1.42 pazsan 2684: dup >magic @ <do:> =
1.54 pazsan 2685: IF doer,
2686: ELSE dodoes,
2687: THEN
2688: EXIT
1.52 jwilke 2689: THEN
2690: \ compile :dodoes gexecute
2691: \ T here H tcell - reloff
1.54 pazsan 2692: 2 refered
2693: 0 fillcfa
2694: ;
1.1 anton 2695:
1.103 jwilke 2696: : takeover-x-semantics ( S constructor-ghost new-ghost -- )
1.117 pazsan 2697: \g stores execution semantic and compilation semantic in the built word
2698: swap >do:ghost @ 2dup swap >do:ghost !
1.110 jwilke 2699: \ we use the >exec2 field for the semantic of a created word,
2700: \ using exec or exec2 makes no difference for normal cross-compilation
2701: \ but is usefull for instant where the exec field is already
2702: \ defined (e.g. Vocabularies)
1.105 jwilke 2703: 2dup >exec @ swap >exec2 !
2704: >comp @ swap >comp ! ;
1.103 jwilke 2705:
1.118 pazsan 2706: 0 Value createhere
2707:
2708: : create-resolve ( -- )
2709: created createhere resolve 0 ;Resolve ! ;
2710: : create-resolve-immediate ( -- )
2711: create-resolve T immediate H ;
2712:
1.52 jwilke 2713: : TCreate ( <name> -- )
2714: create-forward-warn
2715: IF ['] reswarn-forward IS resolve-warning THEN
1.103 jwilke 2716: executed-ghost @ (Theader
1.117 pazsan 2717: dup >created on dup to created
1.118 pazsan 2718: 2dup takeover-x-semantics
2719: there to createhere drop gdoes, ;
1.52 jwilke 2720:
2721: : RTCreate ( <name> -- )
2722: \ creates a new word with code-field in ram
2723: create-forward-warn
2724: IF ['] reswarn-forward IS resolve-warning THEN
2725: \ make Alias
1.103 jwilke 2726: executed-ghost @ (THeader
1.118 pazsan 2727: dup >created on dup to created
1.103 jwilke 2728: 2dup takeover-x-semantics
1.105 jwilke 2729: there 0 T a, H alias-mask flag!
1.103 jwilke 2730: \ store poiter to code-field
1.52 jwilke 2731: switchram T cfalign H
2732: there swap T ! H
2733: there tlastcfa !
1.118 pazsan 2734: there to createhere drop gdoes, ;
1.1 anton 2735:
2736: : Build: ( -- [xt] [colon-sys] )
1.52 jwilke 2737: :noname postpone TCreate ;
2738:
2739: : BuildSmart: ( -- [xt] [colon-sys] )
2740: :noname
1.53 jwilke 2741: [ T has? rom H [IF] ]
1.52 jwilke 2742: postpone RTCreate
2743: [ [ELSE] ]
2744: postpone TCreate
2745: [ [THEN] ] ;
1.1 anton 2746:
1.108 jwilke 2747: : ;Build
1.118 pazsan 2748: postpone create-resolve postpone ; built >exec ! ; immediate
2749:
2750: : ;Build-immediate
2751: postpone create-resolve-immediate
2752: postpone ; built >exec ! ; immediate
1.108 jwilke 2753:
1.1 anton 2754: : gdoes> ( ghost -- addr flag )
1.110 jwilke 2755: executed-ghost @ g>body ;
1.1 anton 2756:
2757: \ DO: ;DO 11may93jaw
2758:
1.108 jwilke 2759: : do:ghost! ( ghost -- ) built >do:ghost ! ;
2760: : doexec! ( xt -- ) built >do:ghost @ >exec ! ;
2761:
2762: : DO: ( -- [xt] [colon-sys] )
2763: here ghostheader do:ghost!
1.110 jwilke 2764: :noname postpone gdoes> ;
1.1 anton 2765:
1.108 jwilke 2766: : by: ( -- [xt] [colon-sys] ) \ name
2767: Ghost do:ghost!
1.110 jwilke 2768: :noname postpone gdoes> ;
1.42 pazsan 2769:
1.108 jwilke 2770: : ;DO ( [xt] [colon-sys] -- )
2771: postpone ; doexec! ; immediate
1.1 anton 2772:
1.109 jwilke 2773: : by ( -- ) \ Name
1.108 jwilke 2774: Ghost >do:ghost @ do:ghost! ;
1.107 jwilke 2775:
1.109 jwilke 2776: : compile: ( --[xt] [colon-sys] )
1.107 jwilke 2777: \G defines a compile time action for created words
2778: \G by this builder
2779: :noname ;
2780:
1.109 jwilke 2781: : ;compile ( [xt] [colon-sys] -- )
2782: postpone ; built >do:ghost @ >comp ! ; immediate
1.107 jwilke 2783:
1.1 anton 2784: \ Variables and Constants 05dec92py
2785:
1.108 jwilke 2786: Builder (Constant)
2787: Build: ( n -- ) ;Build
1.103 jwilke 2788: by: :docon ( target-body-addr -- n ) T @ H ;DO
1.52 jwilke 2789:
1.108 jwilke 2790: Builder Constant
2791: Build: ( n -- ) T , H ;Build
1.52 jwilke 2792: by (Constant)
2793:
1.108 jwilke 2794: Builder AConstant
2795: Build: ( n -- ) T A, H ;Build
1.52 jwilke 2796: by (Constant)
2797:
1.108 jwilke 2798: Builder 2Constant
2799: Build: ( d -- ) T , , H ;Build
1.52 jwilke 2800: DO: ( ghost -- d ) T dup cell+ @ swap @ H ;DO
2801:
1.108 jwilke 2802: Builder Create
2803: BuildSmart: ;Build
1.103 jwilke 2804: by: :dovar ( target-body-addr -- addr ) ;DO
1.1 anton 2805:
1.108 jwilke 2806: Builder Variable
1.53 jwilke 2807: T has? rom H [IF]
1.108 jwilke 2808: Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 , H ( switchrom ) ;Build
1.52 jwilke 2809: by (Constant)
2810: [ELSE]
1.108 jwilke 2811: Build: T 0 , H ;Build
1.1 anton 2812: by Create
1.52 jwilke 2813: [THEN]
1.1 anton 2814:
1.108 jwilke 2815: Builder 2Variable
1.53 jwilke 2816: T has? rom H [IF]
1.108 jwilke 2817: Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 , 0 , H ( switchrom ) ;Build
1.54 pazsan 2818: by (Constant)
2819: [ELSE]
1.108 jwilke 2820: Build: T 0 , 0 , H ;Build
1.54 pazsan 2821: by Create
2822: [THEN]
2823:
1.108 jwilke 2824: Builder AVariable
1.54 pazsan 2825: T has? rom H [IF]
1.108 jwilke 2826: Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 A, H ( switchrom ) ;Build
1.52 jwilke 2827: by (Constant)
2828: [ELSE]
1.108 jwilke 2829: Build: T 0 A, H ;Build
1.1 anton 2830: by Create
1.52 jwilke 2831: [THEN]
1.1 anton 2832:
1.3 pazsan 2833: \ User variables 04may94py
2834:
1.139 jwilke 2835: : tup@ user-region >rstart @ ;
2836:
2837: \ Variable tup 0 tup !
2838: \ Variable tudp 0 tudp !
1.78 jwilke 2839:
1.3 pazsan 2840: : u, ( n -- udp )
1.153 pazsan 2841: current-region >r user-region activate
2842: X here swap X , tup@ -
1.139 jwilke 2843: r> activate ;
1.78 jwilke 2844:
1.3 pazsan 2845: : au, ( n -- udp )
1.139 jwilke 2846: current-region >r user-region activate
2847: X here swap X a, tup@ -
2848: r> activate ;
2849:
2850: T has? no-userspace H [IF]
2851:
2852: : buildby
2853: ghost >exec @ built >exec ! ;
2854:
2855: Builder User
2856: buildby Variable
2857: by Variable
2858:
2859: Builder 2User
2860: buildby 2Variable
2861: by 2Variable
2862:
2863: Builder AUser
2864: buildby AVariable
2865: by AVariable
2866:
2867: [ELSE]
1.78 jwilke 2868:
1.108 jwilke 2869: Builder User
2870: Build: 0 u, X , ;Build
1.139 jwilke 2871: by: :douser ( ghost -- up-addr ) X @ tup@ + ;DO
1.1 anton 2872:
1.108 jwilke 2873: Builder 2User
2874: Build: 0 u, X , 0 u, drop ;Build
1.3 pazsan 2875: by User
1.1 anton 2876:
1.108 jwilke 2877: Builder AUser
2878: Build: 0 au, X , ;Build
1.3 pazsan 2879: by User
1.1 anton 2880:
1.139 jwilke 2881: [THEN]
2882:
1.155 pazsan 2883: T has? rom H [IF]
2884: Builder (Value)
2885: Build: ( n -- ) ;Build
2886: by: :dovalue ( target-body-addr -- n ) T @ @ H ;DO
2887:
2888: Builder Value
2889: Build: T here 0 A, H switchram T align here swap ! , H ;Build
2890: by (Value)
2891:
2892: Builder AValue
2893: Build: T here 0 A, H switchram T align here swap ! A, H ;Build
2894: by (Value)
2895: [ELSE]
1.108 jwilke 2896: Builder (Value)
2897: Build: ( n -- ) ;Build
1.156 pazsan 2898: by: :dovalue ( target-body-addr -- n ) T @ H ;DO
1.108 jwilke 2899:
1.1 anton 2900: Builder Value
1.108 jwilke 2901: BuildSmart: T , H ;Build
2902: by (Value)
1.1 anton 2903:
1.32 pazsan 2904: Builder AValue
1.108 jwilke 2905: BuildSmart: T A, H ;Build
2906: by (Value)
1.155 pazsan 2907: [THEN]
1.32 pazsan 2908:
1.103 jwilke 2909: Defer texecute
2910:
1.108 jwilke 2911: Builder Defer
1.155 pazsan 2912: T has? rom H [IF]
2913: Build: ( -- ) T here 0 A, H switchram T align here swap ! H [T'] noop T A, H ( switchrom ) ;Build
2914: by: :dodefer ( ghost -- ) X @ X @ texecute ;DO
2915: [ELSE]
2916: BuildSmart: ( -- ) [T'] noop T A, H ;Build
2917: by: :dodefer ( ghost -- ) X @ texecute ;DO
2918: [THEN]
1.37 pazsan 2919:
1.108 jwilke 2920: Builder interpret/compile:
1.118 pazsan 2921: Build: ( inter comp -- ) swap T A, A, H ;Build-immediate
1.37 pazsan 2922: DO: ( ghost -- ) ABORT" CROSS: Don't execute" ;DO
1.24 pazsan 2923:
2924: \ Sturctures 23feb95py
2925:
2926: : nalign ( addr1 n -- addr2 )
2927: \ addr2 is the aligned version of addr1 wrt the alignment size n
2928: 1- tuck + swap invert and ;
1.109 jwilke 2929:
1.24 pazsan 2930:
1.108 jwilke 2931: Builder (Field)
2932: Build: ;Build
1.44 pazsan 2933: by: :dofield T @ H + ;DO
2934:
1.108 jwilke 2935: Builder Field
1.51 anton 2936: Build: ( align1 offset1 align size "name" -- align2 offset2 )
2937: rot dup T , H ( align1 align size offset1 )
1.108 jwilke 2938: + >r nalign r> ;Build
1.44 pazsan 2939: by (Field)
1.24 pazsan 2940:
1.109 jwilke 2941: >TARGET
1.51 anton 2942: : struct T 1 chars 0 H ;
1.24 pazsan 2943: : end-struct T 2Constant H ;
2944:
1.52 jwilke 2945: : cell% ( n -- size align )
1.51 anton 2946: T 1 cells H dup ;
1.109 jwilke 2947: >CROSS
1.88 pazsan 2948:
1.169 dvdkhlng 2949: \ ABI-CODE support
2950: Builder (ABI-CODE)
2951: Build: ;Build
2952: by: :doabicode noop ;DO
2953:
1.172 anton 2954: BUILDER (;abi-code)
2955: Build: ;Build
2956: by: :do;abicode noop ;DO
2957:
1.105 jwilke 2958: \ Input-Methods 01py
1.103 jwilke 2959:
1.108 jwilke 2960: Builder input-method
2961: Build: ( m v -- m' v ) dup T , cell+ H ;Build
1.88 pazsan 2962: DO: abort" Not in cross mode" ;DO
2963:
1.108 jwilke 2964: Builder input-var
2965: Build: ( m v size -- m v' ) over T , H + ;Build
1.88 pazsan 2966: DO: abort" Not in cross mode" ;DO
1.24 pazsan 2967:
1.108 jwilke 2968: \ Peephole optimization 05sep01jaw
2969:
2970: \ this section defines different compilation
2971: \ actions for created words
2972: \ this will help the peephole optimizer
1.121 jwilke 2973: \ I (jaw) took this from bernds latest cross-compiler
1.108 jwilke 2974: \ changes but seperated it from the original
2975: \ Builder words. The final plan is to put this
2976: \ into a seperate file, together with the peephole
2977: \ optimizer for cross
2978:
2979:
1.162 pazsan 2980: T has? primcentric H [IF]
1.108 jwilke 2981:
1.139 jwilke 2982: \ .( loading peephole optimization) cr
2983:
1.109 jwilke 2984: >CROSS
1.118 pazsan 2985:
1.109 jwilke 2986: : (callc) compile call T >body a, H ; ' (callc) plugin-of colon,
1.121 jwilke 2987: : (callcm) T here 0 a, 0 a, H ; ' (callcm) plugin-of colonmark,
1.118 pazsan 2988: : (call-res) >tempdp resolved gexecute tempdp> drop ;
2989: ' (call-res) plugin-of colon-resolve
1.164 pazsan 2990: T has? ec H [IF]
2991: : (pprim) T @ H >signed dup 0< IF $4000 - ELSE
2992: cr ." wrong usage of (prim) "
2993: dup gdiscover IF .ghost ELSE . THEN cr -1 throw THEN
2994: T a, H ; ' (pprim) plugin-of prim,
2995: [ELSE]
1.121 jwilke 2996: : (pprim) dup 0< IF $4000 - ELSE
2997: cr ." wrong usage of (prim) "
2998: dup gdiscover IF .ghost ELSE . THEN cr -1 throw THEN
2999: T a, H ; ' (pprim) plugin-of prim,
1.164 pazsan 3000: [THEN]
1.109 jwilke 3001:
3002: \ if we want this, we have to spilt aconstant
3003: \ and constant!!
3004: \ Builder (Constant)
3005: \ compile: g>body X @ lit, ;compile
1.108 jwilke 3006:
3007: Builder (Constant)
1.118 pazsan 3008: compile: g>body compile lit@ T a, H ;compile
1.108 jwilke 3009:
3010: Builder (Value)
1.118 pazsan 3011: compile: g>body compile lit@ T a, H ;compile
1.108 jwilke 3012:
3013: \ this changes also Variable, AVariable and 2Variable
3014: Builder Create
1.117 pazsan 3015: compile: g>body alit, ;compile
1.108 jwilke 3016:
3017: Builder User
3018: compile: g>body compile useraddr T @ , H ;compile
3019:
3020: Builder Defer
1.118 pazsan 3021: compile: g>body compile lit-perform T A, H ;compile
1.102 jwilke 3022:
1.108 jwilke 3023: Builder (Field)
1.164 pazsan 3024: compile: g>body T @ H compile lit+ T here H reloff T , H ;compile
1.117 pazsan 3025:
3026: Builder interpret/compile:
3027: compile: does-resolved ;compile
3028:
3029: Builder input-method
3030: compile: does-resolved ;compile
3031:
3032: Builder input-var
3033: compile: does-resolved ;compile
1.102 jwilke 3034:
1.108 jwilke 3035: [THEN]
1.103 jwilke 3036:
1.52 jwilke 3037: \ structural conditionals 17dec92py
3038:
3039: >CROSS
1.103 jwilke 3040: : (ncontrols?) ( n -- )
3041: \g We expect n open control structures
3042: depth over u<=
3043: ABORT" CROSS: unstructured, stack underflow"
3044: 0 ?DO I pick 0=
3045: ABORT" CROSS: unstructured"
3046: LOOP ; ' (ncontrols?) plugin-of ncontrols?
3047:
3048: \ : ?struc ( flag -- ) ABORT" CROSS: unstructured " ;
3049: \ : sys? ( sys -- sys ) dup 0= ?struc ;
3050:
1.52 jwilke 3051: : >mark ( -- sys ) T here ( dup ." M" hex. ) 0 , H ;
3052:
1.133 pazsan 3053: X has? abranch [IF]
3054: : branchoffset ( src dest -- ) drop ;
3055: : offset, ( n -- ) X A, ;
3056: [ELSE]
3057: : branchoffset ( src dest -- ) - tchar / ; \ ?? jaw
3058: : offset, ( n -- ) X , ;
3059: [THEN]
1.52 jwilke 3060:
1.133 pazsan 3061: :noname compile branch X here branchoffset offset, ;
1.54 pazsan 3062: IS branch, ( target-addr -- )
1.133 pazsan 3063: :noname compile ?branch X here branchoffset offset, ;
1.54 pazsan 3064: IS ?branch, ( target-addr -- )
1.133 pazsan 3065: :noname compile branch T here 0 H offset, ;
1.54 pazsan 3066: IS branchmark, ( -- branchtoken )
1.133 pazsan 3067: :noname compile ?branch T here 0 H offset, ;
1.54 pazsan 3068: IS ?branchmark, ( -- branchtoken )
1.133 pazsan 3069: :noname T here 0 H offset, ;
1.54 pazsan 3070: IS ?domark, ( -- branchtoken )
1.78 jwilke 3071: :noname dup X @ ?struc X here over branchoffset swap X ! ;
1.54 pazsan 3072: IS branchtoresolve, ( branchtoken -- )
1.78 jwilke 3073: :noname branchto, X here ;
1.54 pazsan 3074: IS branchtomark, ( -- target-addr )
1.52 jwilke 3075:
3076: >TARGET
3077:
3078: \ Structural Conditionals 12dec92py
3079:
1.103 jwilke 3080: \ CLEANUP Cond: BUT sys? swap ;Cond
3081: \ CLEANUP Cond: YET sys? dup ;Cond
1.52 jwilke 3082:
3083: >CROSS
3084:
1.78 jwilke 3085: Variable tleavings 0 tleavings !
1.52 jwilke 3086:
1.129 jwilke 3087: : (done) ( do-addr -- )
3088: \G resolve branches of leave and ?leave and ?do
3089: \G do-addr is the address of the beginning of our
3090: \G loop so we can take care of nested loops
1.54 pazsan 3091: tleavings @
3092: BEGIN dup
3093: WHILE
3094: >r dup r@ cell+ @ \ address of branch
3095: u> 0= \ lower than DO?
3096: WHILE
3097: r@ 2 cells + @ \ branch token
3098: branchtoresolve,
3099: r@ @ r> free throw
3100: REPEAT r> THEN
3101: tleavings ! drop ;
3102:
1.53 jwilke 3103: >TARGET
3104:
1.103 jwilke 3105: \ What for? ANS? JAW Cond: DONE ( addr -- ) (done) ;Cond
1.53 jwilke 3106:
3107: >CROSS
1.54 pazsan 3108: : (leave) ( branchtoken -- )
1.53 jwilke 3109: 3 cells allocate throw >r
3110: T here H r@ cell+ !
3111: r@ 2 cells + !
3112: tleavings @ r@ !
3113: r> tleavings ! ;
3114: >TARGET
3115:
1.103 jwilke 3116: : (leave,) ( -- )
3117: branchmark, (leave) ; ' (leave,) plugin-of leave,
3118:
3119: : (?leave,) ( -- )
3120: compile 0= ?branchmark, (leave) ; ' (?leave,) plugin-of ?leave,
3121:
3122: Cond: LEAVE leave, ;Cond
3123: Cond: ?LEAVE ?leave, ;Cond
1.53 jwilke 3124:
1.54 pazsan 3125: >CROSS
3126: \ !!JW ToDo : Move to general tools section
3127:
3128: : to1 ( x1 x2 xn n -- addr )
1.103 jwilke 3129: \G packs n stack elements in am allocated memory region
1.54 pazsan 3130: dup dup 1+ cells allocate throw dup >r swap 1+
3131: 0 DO tuck ! cell+ LOOP
3132: drop r> ;
1.103 jwilke 3133:
1.54 pazsan 3134: : 1to ( addr -- x1 x2 xn )
3135: \G unpacks the elements saved by to1
3136: dup @ swap over cells + swap
3137: 0 DO dup @ swap 1 cells - LOOP
3138: free throw ;
3139:
1.129 jwilke 3140: : loop] ( target-addr -- )
3141: branchto,
1.133 pazsan 3142: dup X here branchoffset offset,
1.129 jwilke 3143: tcell - (done) ;
1.54 pazsan 3144:
3145: : skiploop] ?dup IF branchto, branchtoresolve, THEN ;
3146:
3147: >TARGET
3148:
1.52 jwilke 3149: \ Structural Conditionals 12dec92py
3150:
1.103 jwilke 3151: : (cs-swap) ( x1 x2 -- x2 x1 )
3152: swap ; ' (cs-swap) plugin-of cs-swap
3153:
3154: : (ahead,) branchmark, ; ' (ahead,) plugin-of ahead,
3155:
3156: : (if,) ?branchmark, ; ' (if,) plugin-of if,
3157:
3158: : (then,) branchto, branchtoresolve, ; ' (then,) plugin-of then,
3159:
3160: : (else,) ( ahead ) branchmark,
3161: swap
3162: ( then ) branchto, branchtoresolve, ; ' (else,) plugin-of else,
3163:
3164: : (begin,) branchtomark, ; ' (begin,) plugin-of begin,
3165:
3166: : (while,) ( if ) ?branchmark,
3167: swap ; ' (while,) plugin-of while,
3168:
3169: : (again,) branch, ; ' (again,) plugin-of again,
3170:
3171: : (until,) ?branch, ; ' (until,) plugin-of until,
3172:
3173: : (repeat,) ( again ) branch,
3174: ( then ) branchto, branchtoresolve, ; ' (repeat,) plugin-of repeat,
3175:
3176: : (case,) ( -- n )
3177: 0 ; ' (case,) plugin-of case,
3178:
3179: : (of,) ( n -- x1 n )
3180: 1+ >r
3181: compile over compile =
3182: if, compile drop r> ; ' (of,) plugin-of of,
3183:
3184: : (endof,) ( x1 n -- x2 n )
3185: >r 1 ncontrols? else, r> ; ' (endof,) plugin-of endof,
3186:
3187: : (endcase,) ( x1 .. xn n -- )
3188: compile drop 0 ?DO 1 ncontrols? then, LOOP ; ' (endcase,) plugin-of endcase,
3189:
1.53 jwilke 3190: >TARGET
1.103 jwilke 3191: Cond: AHEAD ahead, ;Cond
3192: Cond: IF if, ;Cond
3193: Cond: THEN 1 ncontrols? then, ;Cond
3194: Cond: ENDIF 1 ncontrols? then, ;Cond
3195: Cond: ELSE 1 ncontrols? else, ;Cond
3196:
3197: Cond: BEGIN begin, ;Cond
3198: Cond: WHILE 1 ncontrols? while, ;Cond
3199: Cond: AGAIN 1 ncontrols? again, ;Cond
3200: Cond: UNTIL 1 ncontrols? until, ;Cond
3201: Cond: REPEAT 2 ncontrols? repeat, ;Cond
3202:
3203: Cond: CASE case, ;Cond
3204: Cond: OF of, ;Cond
3205: Cond: ENDOF endof, ;Cond
3206: Cond: ENDCASE endcase, ;Cond
1.1 anton 3207:
3208: \ Structural Conditionals 12dec92py
3209:
1.103 jwilke 3210: : (do,) ( -- target-addr )
3211: \ ?? i think 0 is too much! jaw
1.54 pazsan 3212: 0 compile (do)
1.103 jwilke 3213: branchtomark, 2 to1 ; ' (do,) plugin-of do,
1.54 pazsan 3214:
1.103 jwilke 3215: \ alternative for if no ?do
3216: \ : (do,)
1.54 pazsan 3217: \ compile 2dup compile = compile IF
3218: \ compile 2drop compile ELSE
3219: \ compile (do) branchtomark, 2 to1 ;
3220:
1.103 jwilke 3221: : (?do,) ( -- target-addr )
1.54 pazsan 3222: 0 compile (?do) ?domark, (leave)
1.103 jwilke 3223: branchtomark, 2 to1 ; ' (?do,) plugin-of ?do,
3224:
3225: : (for,) ( -- target-addr )
3226: compile (for) branchtomark, ; ' (for,) plugin-of for,
3227:
3228: : (loop,) ( target-addr -- )
3229: 1to compile (loop) loop]
3230: compile unloop skiploop] ; ' (loop,) plugin-of loop,
3231:
3232: : (+loop,) ( target-addr -- )
3233: 1to compile (+loop) loop]
3234: compile unloop skiploop] ; ' (+loop,) plugin-of +loop,
3235:
3236: : (next,)
3237: compile (next) loop] compile unloop ; ' (next,) plugin-of next,
3238:
3239: Cond: DO do, ;Cond
3240: Cond: ?DO ?do, ;Cond
3241: Cond: FOR for, ;Cond
3242:
3243: Cond: LOOP 1 ncontrols? loop, ;Cond
3244: Cond: +LOOP 1 ncontrols? +loop, ;Cond
3245: Cond: NEXT 1 ncontrols? next, ;Cond
1.52 jwilke 3246:
1.1 anton 3247: \ String words 23feb93py
3248:
1.103 jwilke 3249: : ," [char] " parse ht-string, X align ;
1.1 anton 3250:
1.130 pazsan 3251: X has? control-rack [IF]
1.103 jwilke 3252: Cond: ." compile (.") T ," H ;Cond
3253: Cond: S" compile (S") T ," H ;Cond
3254: Cond: C" compile (C") T ," H ;Cond
3255: Cond: ABORT" compile (ABORT") T ," H ;Cond
1.130 pazsan 3256: [ELSE]
3257: Cond: ." '" parse tuck 2>r ahead, there 2r> ht-mem, X align
3258: >r then, r> compile ALiteral compile Literal compile type ;Cond
3259: Cond: S" '" parse tuck 2>r ahead, there 2r> ht-mem, X align
3260: >r then, r> compile ALiteral compile Literal ;Cond
3261: Cond: C" ahead, there [char] " parse ht-string, X align
3262: >r then, r> compile ALiteral ;Cond
3263: Cond: ABORT" if, ahead, there [char] " parse ht-string, X align
3264: >r then, r> compile ALiteral compile c(abort") then, ;Cond
3265: [THEN]
1.1 anton 3266:
1.155 pazsan 3267: X has? rom [IF]
3268: Cond: IS T ' >body @ H compile ALiteral compile ! ;Cond
3269: : IS T >address ' >body @ ! H ;
3270: Cond: TO T ' >body @ H compile ALiteral compile ! ;Cond
3271: : TO T ' >body @ ! H ;
1.160 pazsan 3272: Cond: CTO T ' >body H compile ALiteral compile ! ;Cond
3273: : CTO T ' >body ! H ;
1.155 pazsan 3274: [ELSE]
1.1 anton 3275: Cond: IS T ' >body H compile ALiteral compile ! ;Cond
1.66 pazsan 3276: : IS T >address ' >body ! H ;
1.9 pazsan 3277: Cond: TO T ' >body H compile ALiteral compile ! ;Cond
3278: : TO T ' >body ! H ;
1.155 pazsan 3279: [THEN]
1.1 anton 3280:
1.52 jwilke 3281: Cond: defers T ' >body @ compile, H ;Cond
3282:
1.1 anton 3283: \ LINKED ERR" ENV" 2ENV" 18may93jaw
3284:
3285: \ linked list primitive
1.79 jwilke 3286: : linked X here over X @ X A, swap X ! ;
1.52 jwilke 3287: : chained T linked A, H ;
1.1 anton 3288:
3289: : err" s" ErrLink linked" evaluate T , H
1.103 jwilke 3290: [char] " parse ht-string, X align ;
1.1 anton 3291:
3292: : env" [char] " parse s" EnvLink linked" evaluate
1.103 jwilke 3293: ht-string, X align X , ;
1.1 anton 3294:
3295: : 2env" [char] " parse s" EnvLink linked" evaluate
1.103 jwilke 3296: here >r ht-string, X align X , X ,
1.1 anton 3297: r> dup T c@ H 80 and swap T c! H ;
3298:
3299: \ compile must be last 22feb93py
3300:
1.103 jwilke 3301: Cond: [compile] ( -- ) \ name
3302: \g For immediate words, works even if forward reference
3303: bl word gfind 0= ABORT" CROSS: Can't compile"
3304: (gexecute) ;Cond
3305:
3306: Cond: postpone ( -- ) \ name
3307: bl word gfind 0= ABORT" CROSS: Can't compile"
3308: dup >magic @ <fwd> =
3309: ABORT" CROSS: Can't postpone on forward declaration"
3310: dup >magic @ <imm> =
3311: IF (gexecute)
1.143 pazsan 3312: ELSE >link @ alit, compile compile, THEN ;Cond
1.54 pazsan 3313:
1.77 jwilke 3314: \ save-cross 17mar93py
3315:
3316: hex
3317:
3318: >CROSS
1.131 anton 3319: Create magic s" Gforth3x" here over allot swap move
1.77 jwilke 3320:
3321: bigendian 1+ \ strangely, in magic big=0, little=1
3322: tcell 1 = 0 and or
3323: tcell 2 = 2 and or
3324: tcell 4 = 4 and or
3325: tcell 8 = 6 and or
3326: tchar 1 = 00 and or
3327: tchar 2 = 28 and or
3328: tchar 4 = 50 and or
3329: tchar 8 = 78 and or
3330: magic 7 + c!
3331:
3332: : save-cross ( "image-name" "binary-name" -- )
1.152 pazsan 3333: .regions \ s" ec" X $has? IF .regions THEN
1.77 jwilke 3334: bl parse ." Saving to " 2dup type cr
3335: w/o bin create-file throw >r
1.113 jwilke 3336: s" header" X $has? IF
1.80 anton 3337: s" #! " r@ write-file throw
3338: bl parse r@ write-file throw
3339: s" --image-file" r@ write-file throw
1.77 jwilke 3340: #lf r@ emit-file throw
3341: r@ dup file-position throw drop 8 mod 8 swap ( file-id limit index )
3342: ?do
3343: bl over emit-file throw
3344: loop
3345: drop
3346: magic 8 r@ write-file throw \ write magic
3347: ELSE
3348: bl parse 2drop
3349: THEN
1.151 pazsan 3350: >rom dictionary >rmem @ there
3351: s" rom" X $has? IF dictionary >rstart @ - THEN
1.77 jwilke 3352: r@ write-file throw \ write image
1.113 jwilke 3353: s" relocate" X $has? IF
1.139 jwilke 3354: dictionary >rbm @ there 1- tcell>bit rshift 1+
1.77 jwilke 3355: r@ write-file throw \ write tags
3356: THEN
3357: r> close-file throw ;
3358:
3359: : save-region ( addr len -- )
3360: bl parse w/o bin create-file throw >r
3361: swap >image swap r@ write-file throw
3362: r> close-file throw ;
3363:
1.110 jwilke 3364: \ save-asm-region 29aug01jaw
1.103 jwilke 3365:
3366: Variable name-ptr
3367: Create name-buf 200 chars allot
3368: : init-name-buf name-buf name-ptr ! ;
3369: : nb, name-ptr @ c! 1 chars name-ptr +! ;
3370: : $nb, ( adr len -- ) bounds ?DO I c@ nb, LOOP ;
3371: : @nb name-ptr @ name-buf tuck - ;
3372:
3373: \ stores a usefull string representation of the character
3374: \ in the name buffer
3375: : name-char, ( c -- )
3376: dup 'a 'z 1+ within IF nb, EXIT THEN
3377: dup 'A 'Z 1+ within IF $20 + nb, EXIT THEN
3378: dup '0 '9 1+ within IF nb, EXIT THEN
3379: CASE '+ OF s" _PLUS" $nb, ENDOF
3380: '- OF s" _MINUS" $nb, ENDOF
3381: '* OF s" _STAR" $nb, ENDOF
3382: '/ OF s" _SLASH" $nb, ENDOF
3383: '' OF s" _TICK" $nb, ENDOF
3384: '( OF s" _OPAREN" $nb, ENDOF
3385: ') OF s" _CPAREN" $nb, ENDOF
3386: '[ OF s" _OBRACKET" $nb, ENDOF
3387: '] OF s" _CBRACKET" $nb, ENDOF
3388: '! OF s" _STORE" $nb, ENDOF
3389: '@ OF s" _FETCH" $nb, ENDOF
3390: '> OF s" _GREATER" $nb, ENDOF
3391: '< OF s" _LESS" $nb, ENDOF
3392: '= OF s" _EQUAL" $nb, ENDOF
3393: '# OF s" _HASH" $nb, ENDOF
3394: '? OF s" _QUEST" $nb, ENDOF
3395: ': OF s" _COL" $nb, ENDOF
3396: '; OF s" _SEMICOL" $nb, ENDOF
3397: ', OF s" _COMMA" $nb, ENDOF
3398: '. OF s" _DOT" $nb, ENDOF
3399: '" OF s" _DQUOT" $nb, ENDOF
3400: dup
3401: base @ >r hex s>d <# #s 'X hold '_ hold #> $nb, r> base !
3402: ENDCASE ;
3403:
3404: : label-from-ghostname ( ghost -- addr len )
3405: dup >ghostname init-name-buf 'L nb, bounds
3406: ?DO I c@ name-char, LOOP
3407: \ we add the address to a name to make in unique
3408: \ because one name may appear more then once
3409: \ there are names (e.g. boot) that may be reference from other
3410: \ assembler source files, so we declare them as unique
3411: \ and don't add the address suffix
3412: dup >ghost-flags @ <unique> and 0=
3413: IF s" __" $nb, >link @ base @ >r hex 0 <# #s 'L hold #> r> base ! $nb,
3414: ELSE drop
3415: THEN
3416: @nb ;
3417:
1.111 jwilke 3418: \ FIXME why disabled?!
1.103 jwilke 3419: : label-from-ghostnameXX ( ghost -- addr len )
3420: \ same as (label-from-ghostname) but caches generated names
3421: dup >asm-name @ ?dup IF nip count EXIT THEN
3422: \ dup >r (label-from-ghostname) 2dup
3423: align here >r string, align
3424: r> r> >asm-name ! ;
3425:
3426: : primghostdiscover ( xt -- ghost true | xt false )
3427: dup 0= IF false EXIT THEN
3428: >r last-prim-ghost
3429: BEGIN @ dup
3430: WHILE dup >asm-dummyaddr @ r@ =
3431: IF rdrop true EXIT THEN
3432: REPEAT
3433: drop r> false ;
3434:
3435: : gdiscover2 ( xt -- ghost true | xt false )
3436: dup taddr>region 0= IF false EXIT THEN
3437: dup (>regiontype) @ dup 0= IF drop false EXIT THEN
3438: addr-xt-ghost @ dup 0= IF drop false EXIT THEN
3439: nip true ;
3440: \ dup >ghost-name @ IF nip true ELSE drop false THEN ;
3441:
3442: \ generates a label name for the target address
3443: : generate-label-name ( taddr -- addr len )
3444: gdiscover2
3445: IF dup >magic @ <do:> =
3446: IF >asm-name @ count EXIT THEN
3447: label-from-ghostname
3448: ELSE
3449: primghostdiscover
3450: IF >asm-name @ count
3451: ELSE base @ >r hex 0 <# #s 'L hold #> r> base !
3452: THEN
3453: THEN ;
3454:
3455: Variable outfile-fd
3456:
3457: : $out ( adr len -- ) outfile-fd @ write-file throw ;
3458: : nlout newline $out ;
3459: : .ux ( n -- )
3460: base @ hex swap 0 <# #S #> $out base ! ;
3461:
3462: : save-asm-region-part-aligned ( taddr len -- 'taddr 'len )
3463: dup cell/ 0
3464: ?DO nlout s" .word " $out over @relbit
3465: IF over X @ generate-label-name $out
3466: ELSE over X @ s" 0x0" $out .ux
3467: THEN
3468: tcell /string
3469: LOOP ;
3470:
3471: : print-bytes ( taddr len n -- taddr' len' )
3472: over min dup 0>
3473: IF nlout s" .byte " $out 0
3474: ?DO I 0> IF s" , " $out THEN
3475: over X c@ s" 0x0" $out .ux 1 /string
3476: LOOP
3477: THEN ;
3478:
3479: : save-asm-region-part ( addr len -- )
3480: over dup X aligned swap - ?dup
3481: IF print-bytes THEN
3482: save-asm-region-part-aligned
3483: dup dup X aligned swap - ?dup
3484: IF 2 pick @relbit ABORT" relocated field splitted"
3485: print-bytes
3486: THEN
3487: 2drop ;
3488:
3489: : print-label ( taddr -- )
3490: nlout generate-label-name $out s" :" $out ;
3491:
3492: : snl-calc ( taddr taddr2 -- )
3493: tuck over - ;
3494:
3495: : skip-nolables ( taddr -- taddr2 taddr len )
3496: \G skips memory region where no lables are defined
3497: \G starting from taddr+1
3498: \G Labels will be introduced for each reference mark
3499: \G in addr-refs.
3500: \G This word deals with lables at byte addresses as well.
3501: \G The main idea is to have an intro part which
3502: \G skips until the next cell boundary, the middle part
3503: \G which skips whole cells very efficiently and the third
3504: \G part which skips the bytes to the label in a cell
3505: dup 1+ dup (>regiontype)
3506: ( S taddr taddr-realstart type-addr )
3507: dup @ dup IF addr-refs @ THEN
3508: swap >r
3509: over align+ tuck tcell swap - rshift swap 0
1.126 jwilke 3510: ?DO dup 1 and
1.103 jwilke 3511: IF drop rdrop snl-calc UNLOOP EXIT THEN
3512: 2/ swap 1+ swap
3513: LOOP
3514: drop r> cell+
3515: ( S .. taddr2 type-addr ) dup
3516: BEGIN dup @ dup IF addr-refs @ THEN 0= WHILE cell+ REPEAT
3517: dup >r swap - 1 cells / tcell * + r>
3518: ( S .. taddr2+skiplencells type-addr )
3519: @ addr-refs @ 1 tcell lshift or
3520: BEGIN dup 1 and 0= WHILE swap 1+ swap 2/ REPEAT drop
3521: ( S .. taddr2+skiplencells+skiplenbytes )
3522: snl-calc ;
3523:
3524: : insert-label ( taddr -- )
3525: dup 0= IF drop EXIT THEN
3526: \ ignore everything which points outside our memory regions
3527: \ maybe a primitive pointer or whatever
3528: dup taddr>region 0= IF drop EXIT THEN
3529: dup >r (>regiontype) define-addr-struct addr-refs dup @
3530: r> tcell 1- and 1 swap lshift or swap ! ;
3531:
3532: \ this generates a sorted list of addresses which must be labels
3533: \ it scans therefore a whole region
3534: : generate-label-list-region ( taddr len -- )
3535: BEGIN over @relbit IF over X @ insert-label THEN
3536: tcell /string dup 0<
3537: UNTIL 2drop ;
3538:
3539: : generate-label-list ( -- )
3540: region-link
3541: BEGIN @ dup WHILE
3542: dup 0 >rlink - extent
3543: ?dup IF generate-label-list-region ELSE drop THEN
3544: REPEAT drop ;
3545:
3546: : create-outfile ( addr len -- )
3547: w/o bin create-file throw outfile-fd ! ;
3548:
3549: : close-outfile ( -- )
3550: outfile-fd @ close-file throw ;
3551:
3552: : (save-asm-region) ( region -- )
3553: \ ." label list..."
3554: generate-label-list
3555: \ ." ok!" cr
3556: extent ( S taddr len )
3557: over insert-label
3558: 2dup + dup insert-label >r ( R end-label )
3559: ( S taddr len ) drop
3560: BEGIN
3561: dup print-label
3562: dup r@ <> WHILE
3563: skip-nolables save-asm-region-part
3564: REPEAT drop rdrop ;
3565:
3566: : lineout ( addr len -- )
3567: outfile-fd @ write-line throw ;
3568:
3569: : save-asm-region ( region adr len -- )
3570: create-outfile (save-asm-region) close-outfile ;
3571:
1.54 pazsan 3572: \ \ minimal definitions
3573:
1.77 jwilke 3574: >MINIMAL also minimal
3575:
1.1 anton 3576: \ Usefull words 13feb93py
3577:
3578: : KB 400 * ;
3579:
1.54 pazsan 3580: \ \ [IF] [ELSE] [THEN] ... 14sep97jaw
3581:
3582: \ it is useful to define our own structures and not to rely
1.109 jwilke 3583: \ on the words in the host system
3584: \ The words in the host system might be defined with vocabularies
1.54 pazsan 3585: \ this doesn't work with our self-made compile-loop
3586:
3587: Create parsed 20 chars allot \ store word we parsed
3588:
3589: : upcase
3590: parsed count bounds
3591: ?DO I c@ toupper I c! LOOP ;
3592:
3593: : [ELSE]
3594: 1 BEGIN
3595: BEGIN bl word count dup WHILE
1.77 jwilke 3596: comment? 20 umin parsed place upcase parsed count
1.128 anton 3597: 2dup s" [IF]" str= >r
3598: 2dup s" [IFUNDEF]" str= >r
3599: 2dup s" [IFDEF]" str= r> or r> or
1.54 pazsan 3600: IF 2drop 1+
1.128 anton 3601: ELSE 2dup s" [ELSE]" str=
1.54 pazsan 3602: IF 2drop 1- dup
3603: IF 1+
3604: THEN
3605: ELSE
1.128 anton 3606: 2dup s" [ENDIF]" str= >r
3607: s" [THEN]" str= r> or
1.54 pazsan 3608: IF 1- THEN
3609: THEN
3610: THEN
3611: ?dup 0= ?EXIT
3612: REPEAT
3613: 2drop refill 0=
3614: UNTIL drop ; immediate
3615:
3616: : [THEN] ( -- ) ; immediate
3617:
3618: : [ENDIF] ( -- ) ; immediate
3619:
3620: : [IF] ( flag -- )
3621: 0= IF postpone [ELSE] THEN ; immediate
3622:
3623: Cond: [IF] postpone [IF] ;Cond
3624: Cond: [THEN] postpone [THEN] ;Cond
3625: Cond: [ELSE] postpone [ELSE] ;Cond
3626:
1.1 anton 3627: \ define new [IFDEF] and [IFUNDEF] 20may93jaw
3628:
1.77 jwilke 3629: : defined? tdefined? ;
1.44 pazsan 3630: : needed? needed? ;
3631: : doer? doer? ;
1.1 anton 3632:
1.52 jwilke 3633: \ we want to use IFDEF on compiler directives (e.g. E?) in the source, too
3634:
3635: : directive?
1.77 jwilke 3636: bl word count [ ' target >wordlist ] literal search-wordlist
1.52 jwilke 3637: dup IF nip THEN ;
3638:
3639: : [IFDEF] >in @ directive? swap >in !
1.77 jwilke 3640: 0= IF tdefined? ELSE name 2drop true THEN
1.52 jwilke 3641: postpone [IF] ;
3642:
1.77 jwilke 3643: : [IFUNDEF] tdefined? 0= postpone [IF] ;
1.1 anton 3644:
1.54 pazsan 3645: Cond: [IFDEF] postpone [IFDEF] ;Cond
3646:
3647: Cond: [IFUNDEF] postpone [IFUNDEF] ;Cond
3648:
1.1 anton 3649: \ C: \- \+ Conditional Compiling 09jun93jaw
3650:
1.77 jwilke 3651: : C: >in @ tdefined? 0=
3652: IF >in ! X :
1.1 anton 3653: ELSE drop
3654: BEGIN bl word dup c@
1.128 anton 3655: IF count comment? s" ;" str= ?EXIT
1.1 anton 3656: ELSE refill 0= ABORT" CROSS: Out of Input while C:"
3657: THEN
3658: AGAIN
3659: THEN ;
3660:
1.74 jwilke 3661: : d? d? ;
3662:
1.123 jwilke 3663: : \D ( -- "debugswitch" )
1.74 jwilke 3664: \G doesn't skip line when debug switch is on
1.123 jwilke 3665: D? 0= IF postpone \ THEN ;
1.52 jwilke 3666:
1.123 jwilke 3667: : \- ( -- "wordname" )
1.48 anton 3668: \G interprets the line if word is not defined
1.123 jwilke 3669: tdefined? IF postpone \ THEN ;
1.48 anton 3670:
1.123 jwilke 3671: : \+ ( -- "wordname" )
1.48 anton 3672: \G interprets the line if word is defined
1.123 jwilke 3673: tdefined? 0= IF postpone \ THEN ;
3674:
3675: : \? ( -- "envorinstring" )
3676: \G Skip line if environmental variable evaluates to false
3677: X has? 0= IF postpone \ THEN ;
1.1 anton 3678:
1.48 anton 3679: Cond: \- \- ;Cond
3680: Cond: \+ \+ ;Cond
1.52 jwilke 3681: Cond: \D \D ;Cond
1.123 jwilke 3682: Cond: \? \? ;Cond
1.48 anton 3683:
3684: : ?? bl word find IF execute ELSE drop 0 THEN ;
3685:
3686: : needed:
3687: \G defines ghost for words that we want to be compiled
1.103 jwilke 3688: BEGIN >in @ bl word c@ WHILE >in ! Ghost drop REPEAT drop ;
1.48 anton 3689:
1.1 anton 3690: \ words that should be in minimal
1.52 jwilke 3691:
3692: create s-buffer 50 chars allot
3693:
1.77 jwilke 3694: bigendian Constant bigendian
1.1 anton 3695:
1.52 jwilke 3696: : here there ;
1.67 jwilke 3697: : equ constant ;
3698: : mark there constant ;
1.54 pazsan 3699:
3700: \ compiler directives
1.52 jwilke 3701: : >ram >ram ;
3702: : >rom >rom ;
3703: : >auto >auto ;
3704: : >tempdp >tempdp ;
3705: : tempdp> tempdp> ;
3706: : const constflag on ;
1.103 jwilke 3707:
3708: : Redefinitions-start
3709: \G Starts a redefinition section. Warnings are disabled and
3710: \G existing ghosts are reused. This is used in the kernel
3711: \G where ( and \ and the like are redefined
3712: twarnings off warnings off reuse-ghosts on ;
3713:
3714: : Redefinitions-end
3715: \G Ends a redefinition section. Warnings are enabled again.
3716: twarnings on warnings on reuse-ghosts off ;
3717:
3718: : warnings name 3 =
3719: IF twarnings off warnings off ELSE twarnings on warnings on THEN drop ;
1.102 jwilke 3720:
1.60 anton 3721: : | ;
3722: \ : | NoHeaderFlag on ; \ This is broken (damages the last word)
1.52 jwilke 3723:
1.48 anton 3724: : save-cross save-cross ;
1.52 jwilke 3725: : save-region save-region ;
3726: : tdump swap >image swap dump ;
3727:
1.48 anton 3728: also forth
1.52 jwilke 3729: [IFDEF] Label : Label defempty? Label ; [THEN]
3730: [IFDEF] start-macros : start-macros defempty? start-macros ; [THEN]
1.77 jwilke 3731: \ [IFDEF] builttag : builttag builttag ; [THEN]
1.48 anton 3732: previous
3733:
1.52 jwilke 3734: : s" [char] " parse s-buffer place s-buffer count ; \ for environment?
1.43 pazsan 3735: : + + ;
1.52 jwilke 3736: : 1+ 1 + ;
3737: : 2+ 2 + ;
1.43 pazsan 3738: : 1- 1- ;
3739: : - - ;
1.52 jwilke 3740: : and and ;
3741: : or or ;
1.43 pazsan 3742: : 2* 2* ;
3743: : * * ;
3744: : / / ;
3745: : dup dup ;
1.139 jwilke 3746: : ?dup ?dup ;
1.43 pazsan 3747: : over over ;
3748: : swap swap ;
3749: : rot rot ;
3750: : drop drop ;
1.139 jwilke 3751: : 2drop 2drop ;
1.43 pazsan 3752: : = = ;
1.122 jwilke 3753: : <> <> ;
1.43 pazsan 3754: : 0= 0= ;
3755: : lshift lshift ;
3756: : 2/ 2/ ;
1.139 jwilke 3757: : hex. base @ $10 base ! swap . base ! ;
3758: : invert invert ;
1.159 pazsan 3759: : linkstring ( addr u n addr -- )
3760: X here over X @ X , swap X ! X , ht-string, X align ;
1.103 jwilke 3761: \ : . . ;
1.1 anton 3762:
1.79 jwilke 3763: : all-words ['] forced? IS skip? ;
1.43 pazsan 3764: : needed-words ['] needed? IS skip? ;
1.75 jwilke 3765: : undef-words ['] defined2? IS skip? ;
3766: : skipdef skipdef ;
1.1 anton 3767:
1.40 pazsan 3768: : \ postpone \ ; immediate
1.47 pazsan 3769: : \G T-\G ; immediate
1.40 pazsan 3770: : ( postpone ( ; immediate
1.1 anton 3771: : include bl word count included ;
1.103 jwilke 3772: : included swap >image swap included ;
1.52 jwilke 3773: : require require ;
1.103 jwilke 3774: : needs require ;
1.1 anton 3775: : .( [char] ) parse type ;
1.139 jwilke 3776: : ERROR" [char] " parse
3777: rot
3778: IF cr ." *** " type ." ***" -1 ABORT" CROSS: Target error, see text above"
3779: ELSE 2drop
3780: THEN ;
1.52 jwilke 3781: : ." [char] " parse type ;
1.1 anton 3782: : cr cr ;
3783:
1.77 jwilke 3784: : times 0 ?DO dup X c, LOOP drop ; \ used for space table creation
3785:
3786: \ only forth also cross also minimal definitions order
1.1 anton 3787:
3788: \ cross-compiler words
3789:
1.103 jwilke 3790: : decimal decimal [g'] decimal >exec2 @ ?dup IF EXECUTE THEN ;
3791: : hex hex [g'] hex >exec2 @ ?dup IF EXECUTE THEN ;
1.1 anton 3792:
1.77 jwilke 3793: \ : tudp X tudp ;
3794: \ : tup X tup ;
3795:
3796: : doc-off false to-doc ! ;
3797: : doc-on true to-doc ! ;
1.39 pazsan 3798:
1.103 jwilke 3799: : declareunique ( "name" -- )
1.127 anton 3800: \ Sets the unique flag for a ghost. The assembler output
3801: \ generates labels with the ghostname concatenated with the address
3802: \ while cross-compiling. The address is concatenated
3803: \ because we have double occurences of the same name.
3804: \ If we want to reference the labels from the assembler or C
3805: \ code we declare them unique, so the address is skipped.
1.103 jwilke 3806: Ghost >ghost-flags dup @ <unique> or swap ! ;
3807:
3808: \ [IFDEF] dbg : dbg dbg ; [THEN]
1.39 pazsan 3809:
1.1 anton 3810: \ for debugging...
1.103 jwilke 3811: \ : dbg dbg ;
3812: : horder order ;
3813: : hwords words ;
3814: \ : words also ghosts
3815: \ words previous ;
1.105 jwilke 3816: : .s .s ;
1.122 jwilke 3817: : depth depth ;
1.1 anton 3818: : bye bye ;
1.99 pazsan 3819:
1.103 jwilke 3820: \ dummy
3821:
1.1 anton 3822: \ turnkey direction
3823: : H forth ; immediate
3824: : T minimal ; immediate
3825: : G ghosts ; immediate
3826:
3827:
3828: \ these ones are pefered:
3829:
1.74 jwilke 3830: : unlock previous forth also cross ;
1.52 jwilke 3831:
1.77 jwilke 3832: \ also minimal
1.103 jwilke 3833: >cross
3834:
3835: : turnkey
3836: ghosts-wordlist 1 set-order
3837: also target definitions
3838: also Minimal also ;
3839:
3840: >minimal
3841:
3842: : [[+++
3843: turnkey unlock ;
1.1 anton 3844:
3845: unlock definitions also minimal
1.77 jwilke 3846:
1.103 jwilke 3847: : lock turnkey ;
3848:
3849: Defer +++]]-hook
3850: : +++]] +++]]-hook lock ;
3851:
3852: LOCK
1.77 jwilke 3853: \ load cross compiler extension defined in mach file
3854:
3855: UNLOCK >CROSS
3856:
3857: [IFDEF] extend-cross extend-cross [THEN]
3858:
3859: LOCK
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