Annotation of gforth/cross.fs, revision 1.147
1.1 anton 1: \ CROSS.FS The Cross-Compiler 06oct92py
2: \ Idea and implementation: Bernd Paysan (py)
1.30 anton 3:
1.138 anton 4: \ Copyright (C) 1995,1996,1997,1998,1999,2000,2003 Free Software Foundation, Inc.
1.30 anton 5:
6: \ This file is part of Gforth.
7:
8: \ Gforth is free software; you can redistribute it and/or
9: \ modify it under the terms of the GNU General Public License
10: \ as published by the Free Software Foundation; either version 2
11: \ of the License, or (at your option) any later version.
12:
13: \ This program is distributed in the hope that it will be useful,
14: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
15: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16: \ GNU General Public License for more details.
17:
18: \ You should have received a copy of the GNU General Public License
19: \ along with this program; if not, write to the Free Software
1.87 anton 20: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
1.1 anton 21:
1.67 jwilke 22: 0
23: [IF]
24:
25: ToDo:
1.107 jwilke 26: - Crossdoc destination ./doc/crossdoc.fd makes no sense when
27: cross.fs is used seperately. jaw
28: - Do we need this char translation with >address and in branchoffset?
29: (>body also affected) jaw
1.67 jwilke 30:
31: [THEN]
1.48 anton 32:
1.128 anton 33: s" compat/strcomp.fs" included
34:
1.77 jwilke 35: hex
36:
37: \ debugging for compiling
38:
39: \ print stack at each colon definition
40: \ : : save-input cr bl word count type restore-input throw .s : ;
41:
42: \ print stack at each created word
43: \ : create save-input cr bl word count type restore-input throw .s create ;
44:
45:
46: \ \ ------------- Setup Vocabularies
47:
48: \ Remark: Vocabulary is not ANS, but it should work...
49:
50: Vocabulary Cross
51: Vocabulary Target
52: Vocabulary Ghosts
53: Vocabulary Minimal
54: only Forth also Target also also
55: definitions Forth
56:
1.78 jwilke 57: : T previous Ghosts also Target ; immediate
1.77 jwilke 58: : G Ghosts ; immediate
59: : H previous Forth also Cross ; immediate
60:
61: forth definitions
62:
1.78 jwilke 63: : T previous Ghosts also Target ; immediate
1.77 jwilke 64: : G Ghosts ; immediate
65:
1.105 jwilke 66:
1.77 jwilke 67: : >cross also Cross definitions previous ;
68: : >target also Target definitions previous ;
69: : >minimal also Minimal definitions previous ;
70:
71: H
72:
73: >CROSS
74:
1.123 jwilke 75: \ Test against this definitions to find out whether we are cross-compiling
76: \ may be usefull for assemblers
77: 0 Constant gforth-cross-indicator
78:
1.77 jwilke 79: \ find out whether we are compiling with gforth
80:
81: : defined? bl word find nip ;
82: defined? emit-file defined? toupper and \ drop 0
83: [IF]
84: \ use this in a gforth system
85: : \GFORTH ; immediate
86: : \ANSI postpone \ ; immediate
87: [ELSE]
88: : \GFORTH postpone \ ; immediate
89: : \ANSI ; immediate
90: [THEN]
91:
92: \ANSI : [IFUNDEF] defined? 0= postpone [IF] ; immediate
93: \ANSI : [IFDEF] defined? postpone [IF] ; immediate
94: 0 \ANSI drop 1
95: [IF]
96: : \G postpone \ ; immediate
97: : rdrop postpone r> postpone drop ; immediate
98: : name bl word count ;
99: : bounds over + swap ;
100: : scan >r BEGIN dup WHILE over c@ r@ <> WHILE 1 /string REPEAT THEN rdrop ;
101: : linked here over @ , swap ! ;
102: : alias create , DOES> @ EXECUTE ;
103: : defer ['] noop alias ;
104: : is state @
105: IF ' >body postpone literal postpone !
106: ELSE ' >body ! THEN ; immediate
107: : 0>= 0< 0= ;
108: : d<> rot <> -rot <> or ;
109: : toupper dup [char] a [char] z 1+ within IF [char] A [char] a - + THEN ;
110: Variable ebuf
111: : emit-file ( c fd -- ior ) swap ebuf c! ebuf 1 chars rot write-file ;
112: 0a Constant #lf
113: 0d Constant #cr
114:
115: [IFUNDEF] Warnings Variable Warnings [THEN]
116:
117: \ \ Number parsing 23feb93py
118:
119: \ number? number 23feb93py
120:
121: Variable dpl
122:
123: hex
124: Create bases 10 , 2 , A , 100 ,
125: \ 16 2 10 character
126:
127: \ !! protect BASE saving wrapper against exceptions
128: : getbase ( addr u -- addr' u' )
129: over c@ [char] $ - dup 4 u<
130: IF
131: cells bases + @ base ! 1 /string
132: ELSE
133: drop
134: THEN ;
135:
136: : sign? ( addr u -- addr u flag )
137: over c@ [char] - = dup >r
138: IF
139: 1 /string
140: THEN
141: r> ;
142:
143: : s>unumber? ( addr u -- ud flag )
1.78 jwilke 144: over [char] ' =
145: IF \ a ' alone is rather unusual :-)
146: drop char+ c@ 0 true EXIT
147: THEN
1.77 jwilke 148: base @ >r dpl on getbase
149: 0. 2swap
150: BEGIN ( d addr len )
151: dup >r >number dup
152: WHILE \ there are characters left
153: dup r> -
154: WHILE \ the last >number parsed something
155: dup 1- dpl ! over c@ [char] . =
156: WHILE \ the current char is '.'
157: 1 /string
158: REPEAT THEN \ there are unparseable characters left
159: 2drop false
160: ELSE
161: rdrop 2drop true
162: THEN
163: r> base ! ;
164:
165: \ ouch, this is complicated; there must be a simpler way - anton
166: : s>number? ( addr len -- d f )
167: \ converts string addr len into d, flag indicates success
168: sign? >r
169: s>unumber?
170: 0= IF
171: rdrop false
172: ELSE \ no characters left, all ok
173: r>
174: IF
175: dnegate
176: THEN
177: true
178: THEN ;
179:
180: : s>number ( addr len -- d )
181: \ don't use this, there is no way to tell success
182: s>number? drop ;
183:
184: : snumber? ( c-addr u -- 0 / n -1 / d 0> )
185: s>number? 0=
186: IF
187: 2drop false EXIT
188: THEN
189: dpl @ dup 0< IF
190: nip
191: ELSE
192: 1+
193: THEN ;
194:
195: : number? ( string -- string 0 / n -1 / d 0> )
196: dup >r count snumber? dup if
197: rdrop
198: else
199: r> swap
200: then ;
201:
202: : number ( string -- d )
203: number? ?dup 0= abort" ?" 0<
204: IF
205: s>d
206: THEN ;
207:
208: [THEN]
1.48 anton 209:
1.115 jwilke 210: \ this provides assert( and struct stuff
211: \GFORTH [IFUNDEF] assert1(
212: \GFORTH also forth definitions require assert.fs previous
213: \GFORTH [THEN]
214:
215: >CROSS
216:
1.52 jwilke 217: hex \ the defualt base for the cross-compiler is hex !!
1.78 jwilke 218: \ Warnings off
1.52 jwilke 219:
220: \ words that are generaly useful
221:
1.59 pazsan 222: : KB 400 * ;
1.52 jwilke 223: : >wordlist ( vocabulary-xt -- wordlist-struct )
224: also execute get-order swap >r 1- set-order r> ;
225:
226: : umax 2dup u< IF swap THEN drop ;
227: : umin 2dup u> IF swap THEN drop ;
1.1 anton 228:
1.23 pazsan 229: : string, ( c-addr u -- )
230: \ puts down string as cstring
231: dup c, here swap chars dup allot move ;
1.5 pazsan 232:
1.77 jwilke 233: : ," [char] " parse string, ;
234:
1.52 jwilke 235: : SetValue ( n -- <name> )
1.54 pazsan 236: \G Same behaviour as "Value" if the <name> is not defined
237: \G Same behaviour as "to" if <name> is defined
1.52 jwilke 238: \G SetValue searches in the current vocabulary
1.68 jwilke 239: save-input bl word >r restore-input throw r> count
240: get-current search-wordlist
241: IF drop >r
242: \ we have to set current to be topmost context wordlist
243: get-order get-order get-current swap 1+ set-order
244: r> ['] to execute
1.74 jwilke 245: set-order
1.68 jwilke 246: ELSE Value THEN ;
1.52 jwilke 247:
248: : DefaultValue ( n -- <name> )
1.54 pazsan 249: \G Same behaviour as "Value" if the <name> is not defined
250: \G DefaultValue searches in the current vocabulary
1.52 jwilke 251: save-input bl word >r restore-input throw r> count
252: get-current search-wordlist
1.56 pazsan 253: IF bl word drop 2drop ELSE Value THEN ;
1.1 anton 254:
255: hex
256:
1.120 jwilke 257: \ FIXME delete`
1.52 jwilke 258: \ 1 Constant Cross-Flag \ to check whether assembler compiler plug-ins are
259: \ for cross-compiling
260: \ No! we use "[IFUNDEF]" there to find out whether we are target compiling!!!
261:
1.120 jwilke 262: \ FIXME move down
1.52 jwilke 263: : comment? ( c-addr u -- c-addr u )
1.128 anton 264: 2dup s" (" str=
1.52 jwilke 265: IF postpone (
1.128 anton 266: ELSE 2dup s" \" str= IF postpone \ THEN
1.52 jwilke 267: THEN ;
268:
1.120 jwilke 269: : X ( -- <name> )
270: \G The next word in the input is a target word.
271: \G Equivalent to T <name> but without permanent
272: \G switch to target dictionary. Used as prefix e.g. for @, !, here etc.
273: bl word count [ ' target >wordlist ] Literal search-wordlist
274: IF state @ IF compile, ELSE execute THEN
275: ELSE -1 ABORT" Cross: access method not supported!"
276: THEN ; immediate
1.105 jwilke 277:
1.52 jwilke 278: \ Begin CROSS COMPILER:
279:
1.74 jwilke 280: \ debugging
1.52 jwilke 281:
1.74 jwilke 282: 0 [IF]
283:
284: This implements debugflags for the cross compiler and the compiled
285: images. It works identical to the has-flags in the environment.
286: The debugflags are defined in a vocabluary. If the word exists and
287: its value is true, the flag is switched on.
288:
289: [THEN]
290:
1.77 jwilke 291: >CROSS
292:
1.74 jwilke 293: Vocabulary debugflags \ debug flags for cross
294: also debugflags get-order over
295: Constant debugflags-wl
296: set-order previous
297:
298: : DebugFlag
299: get-current >r debugflags-wl set-current
300: SetValue
301: r> set-current ;
302:
303: : Debug? ( adr u -- flag )
304: \G return true if debug flag is defined or switched on
305: debugflags-wl search-wordlist
306: IF EXECUTE
307: ELSE false THEN ;
308:
309: : D? ( <name> -- flag )
310: \G return true if debug flag is defined or switched on
311: \G while compiling we do not return the current value but
312: bl word count debug? ;
313:
314: : [d?]
315: \G compile the value-xt so the debug flag can be switched
316: \G the flag must exist!
317: bl word count debugflags-wl search-wordlist
318: IF compile,
319: ELSE -1 ABORT" unknown debug flag"
320: \ POSTPONE false
321: THEN ; immediate
1.54 pazsan 322:
1.123 jwilke 323: : symentry ( adr len taddr -- )
324: \G Produce a symbol table (an optional symbol address
325: \G map) if wanted
326: [ [IFDEF] fd-symbol-table ]
327: base @ swap hex s>d <# 8 0 DO # LOOP #> fd-symbol-table write-file throw base !
328: s" :" fd-symbol-table write-file throw
329: fd-symbol-table write-line throw
330: [ [ELSE] ]
331: 2drop drop
332: [ [THEN] ] ;
333:
334:
1.77 jwilke 335: \ \ -------------------- source file
336:
337: decimal
338:
339: Variable cross-file-list
340: 0 cross-file-list !
341: Variable target-file-list
342: 0 target-file-list !
343: Variable host-file-list
344: 0 host-file-list !
345:
346: cross-file-list Value file-list
347: 0 Value source-desc
348:
349: \ file loading
350:
351: : >fl-id 1 cells + ;
352: : >fl-name 2 cells + ;
353:
354: Variable filelist 0 filelist !
355: Create NoFile ," #load-file#"
356:
357: : loadfile ( -- adr )
358: source-desc ?dup IF >fl-name ELSE NoFile THEN ;
359:
360: : sourcefilename ( -- adr len )
361: loadfile count ;
362:
363: \ANSI : sourceline# 0 ;
364:
365: \ \ -------------------- path handling from kernel/paths.fs
366:
367: \ paths.fs path file handling 03may97jaw
368:
369: \ -Changing the search-path:
370: \ fpath+ <path> adds a directory to the searchpath
371: \ fpath= <path>|<path> makes complete now searchpath
372: \ seperator is |
373: \ .fpath displays the search path
374: \ remark I:
375: \ a ./ in the beginning of filename is expanded to the directory the
376: \ current file comes from. ./ can also be included in the search-path!
377: \ ~+/ loads from the current working directory
378:
379: \ remark II:
380: \ if there is no sufficient space for the search path increase it!
381:
382:
383: \ -Creating custom paths:
384:
385: \ It is possible to use the search mechanism on yourself.
386:
387: \ Make a buffer for the path:
388: \ create mypath 100 chars , \ maximum length (is checked)
389: \ 0 , \ real len
390: \ 100 chars allot \ space for path
391: \ use the same functions as above with:
392: \ mypath path+
393: \ mypath path=
394: \ mypath .path
395:
396: \ do a open with the search path:
397: \ open-path-file ( adr len path -- fd adr len ior )
398: \ the file is opened read-only; if the file is not found an error is generated
399:
400: \ questions to: wilke@jwdt.com
401:
402: [IFUNDEF] +place
403: : +place ( adr len adr )
404: 2dup >r >r
405: dup c@ char+ + swap move
406: r> r> dup c@ rot + swap c! ;
407: [THEN]
408:
409: [IFUNDEF] place
410: : place ( c-addr1 u c-addr2 )
411: 2dup c! char+ swap move ;
412: [THEN]
413:
414: \ if we have path handling, use this and the setup of it
415: [IFUNDEF] open-fpath-file
416:
417: create sourcepath 1024 chars , 0 , 1024 chars allot \ !! make this dynamic
418: sourcepath value fpath
419:
420: : also-path ( adr len path^ -- )
421: >r
422: \ len check
423: r@ cell+ @ over + r@ @ u> ABORT" path buffer too small!"
424: \ copy into
425: tuck r@ cell+ dup @ cell+ + swap cmove
426: \ make delimiter
427: 0 r@ cell+ dup @ cell+ + 2 pick + c! 1 + r> cell+ +!
428: ;
429:
430: : only-path ( adr len path^ -- )
431: dup 0 swap cell+ ! also-path ;
432:
433: : path+ ( path-addr "dir" -- ) \ gforth
434: \G Add the directory @var{dir} to the search path @var{path-addr}.
435: name rot also-path ;
436:
437: : fpath+ ( "dir" ) \ gforth
438: \G Add directory @var{dir} to the Forth search path.
439: fpath path+ ;
440:
441: : path= ( path-addr "dir1|dir2|dir3" ) \ gforth
442: \G Make a complete new search path; the path separator is |.
443: name 2dup bounds ?DO i c@ [char] | = IF 0 i c! THEN LOOP
444: rot only-path ;
445:
446: : fpath= ( "dir1|dir2|dir3" ) \ gforth
447: \G Make a complete new Forth search path; the path separator is |.
448: fpath path= ;
449:
1.145 anton 450: : path>string cell+ dup cell+ swap @ ;
1.77 jwilke 451:
452: : next-path ( adr len -- adr2 len2 )
453: 2dup 0 scan
454: dup 0= IF 2drop 0 -rot 0 -rot EXIT THEN
455: >r 1+ -rot r@ 1- -rot
456: r> - ;
457:
458: : previous-path ( path^ -- )
1.145 anton 459: dup path>string
1.77 jwilke 460: BEGIN tuck dup WHILE repeat ;
461:
462: : .path ( path-addr -- ) \ gforth
463: \G Display the contents of the search path @var{path-addr}.
1.145 anton 464: path>string
1.77 jwilke 465: BEGIN next-path dup WHILE type space REPEAT 2drop 2drop ;
466:
467: : .fpath ( -- ) \ gforth
468: \G Display the contents of the Forth search path.
469: fpath .path ;
470:
471: : absolut-path? ( addr u -- flag ) \ gforth
472: \G A path is absolute if it starts with a / or a ~ (~ expansion),
473: \G or if it is in the form ./*, extended regexp: ^[/~]|./, or if
474: \G it has a colon as second character ("C:..."). Paths simply
475: \G containing a / are not absolute!
476: 2dup 2 u> swap 1+ c@ [char] : = and >r \ dos absoulte: c:/....
477: over c@ [char] / = >r
478: over c@ [char] ~ = >r
1.128 anton 479: \ 2dup S" ../" string-prefix? r> or >r \ not catered for in expandtopic
480: S" ./" string-prefix?
1.77 jwilke 481: r> r> r> or or or ;
482:
483: Create ofile 0 c, 255 chars allot
484: Create tfile 0 c, 255 chars allot
485:
486: : pathsep? dup [char] / = swap [char] \ = or ;
487:
488: : need/ ofile dup c@ + c@ pathsep? 0= IF s" /" ofile +place THEN ;
489:
490: : extractpath ( adr len -- adr len2 )
491: BEGIN dup WHILE 1-
492: 2dup + c@ pathsep? IF EXIT THEN
493: REPEAT ;
494:
495: : remove~+ ( -- )
1.128 anton 496: ofile count s" ~+/" string-prefix?
1.77 jwilke 497: IF
498: ofile count 3 /string ofile place
499: THEN ;
500:
501: : expandtopic ( -- ) \ stack effect correct? - anton
502: \ expands "./" into an absolute name
1.128 anton 503: ofile count s" ./" string-prefix?
1.77 jwilke 504: IF
505: ofile count 1 /string tfile place
506: 0 ofile c! sourcefilename extractpath ofile place
507: ofile c@ IF need/ THEN
508: tfile count over c@ pathsep? IF 1 /string THEN
509: ofile +place
510: THEN ;
511:
512: : compact.. ( adr len -- adr2 len2 )
1.85 pazsan 513: \ deletes phrases like "xy/.." out of our directory name 2dec97jaw
514: over swap
515: BEGIN dup WHILE
1.128 anton 516: dup >r '/ scan 2dup s" /../" string-prefix?
1.85 pazsan 517: IF
518: dup r> - >r 4 /string over r> + 4 -
519: swap 2dup + >r move dup r> over -
520: ELSE
521: rdrop dup 1 min /string
522: THEN
523: REPEAT drop over - ;
1.77 jwilke 524:
525: : reworkdir ( -- )
526: remove~+
527: ofile count compact..
528: nip ofile c! ;
529:
530: : open-ofile ( -- fid ior )
531: \G opens the file whose name is in ofile
532: expandtopic reworkdir
533: ofile count r/o open-file ;
534:
535: : check-path ( adr1 len1 adr2 len2 -- fd 0 | 0 <>0 )
536: 0 ofile ! >r >r ofile place need/
537: r> r> ofile +place
538: open-ofile ;
539:
540: : open-path-file ( addr1 u1 path-addr -- wfileid addr2 u2 0 | ior ) \ gforth
541: \G Look in path @var{path-addr} for the file specified by @var{addr1 u1}.
542: \G If found, the resulting path and an open file descriptor
543: \G are returned. If the file is not found, @var{ior} is non-zero.
544: >r
545: 2dup absolut-path?
546: IF rdrop
547: ofile place open-ofile
548: dup 0= IF >r ofile count r> THEN EXIT
1.145 anton 549: ELSE r> path>string
1.77 jwilke 550: BEGIN next-path dup
551: WHILE 5 pick 5 pick check-path
552: 0= IF >r 2drop 2drop r> ofile count 0 EXIT ELSE drop THEN
553: REPEAT
554: 2drop 2drop 2drop -38
555: THEN ;
556:
557: : open-fpath-file ( addr1 u1 -- wfileid addr2 u2 0 | ior ) \ gforth
558: \G Look in the Forth search path for the file specified by @var{addr1 u1}.
559: \G If found, the resulting path and an open file descriptor
560: \G are returned. If the file is not found, @var{ior} is non-zero.
561: fpath open-path-file ;
562:
563: fpath= ~+
564:
565: [THEN]
566:
567: \ \ -------------------- include require 13may99jaw
568:
569: >CROSS
570:
571: : add-included-file ( adr len -- adr )
572: dup >fl-name char+ allocate throw >r
573: file-list @ r@ ! r@ file-list !
574: r@ >fl-name place r> ;
575:
576: : included? ( c-addr u -- f )
577: file-list
578: BEGIN @ dup
1.128 anton 579: WHILE >r 2dup r@ >fl-name count str=
1.77 jwilke 580: IF rdrop 2drop true EXIT THEN
581: r>
582: REPEAT
583: 2drop drop false ;
584:
585: false DebugFlag showincludedfiles
586:
587: : included1 ( fd adr u -- )
588: \ include file adr u / fd
589: \ we don't use fd with include-file, because the forth system
590: \ doesn't know the name of the file to get a nice error report
591: [d?] showincludedfiles
592: IF cr ." Including: " 2dup type ." ..." THEN
593: rot close-file throw
594: source-desc >r
595: add-included-file to source-desc
596: sourcefilename
597: ['] included catch
598: r> to source-desc
599: throw ;
600:
601: : included ( adr len -- )
602: cross-file-list to file-list
603: open-fpath-file throw
604: included1 ;
605:
606: : required ( adr len -- )
607: cross-file-list to file-list
608: open-fpath-file throw \ 2dup cr ." R:" type
609: 2dup included?
610: IF 2drop close-file throw
611: ELSE included1
612: THEN ;
613:
614: : include bl word count included ;
615:
616: : require bl word count required ;
617:
1.78 jwilke 618: 0 [IF]
619:
1.77 jwilke 620: also forth definitions previous
621:
622: : included ( adr len -- ) included ;
623:
624: : required ( adr len -- ) required ;
625:
626: : include include ;
627:
628: : require require ;
629:
1.78 jwilke 630: [THEN]
631:
1.77 jwilke 632: >CROSS
633: hex
634:
635: \ \ -------------------- Error Handling 05aug97jaw
636:
637: \ Flags
638:
639: also forth definitions \ these values may be predefined before
640: \ the cross-compiler is loaded
641:
642: false DefaultValue stack-warn \ check on empty stack at any definition
643: false DefaultValue create-forward-warn \ warn on forward declaration of created words
644:
645: previous >CROSS
646:
647: : .dec
648: base @ decimal swap . base ! ;
649:
650: : .sourcepos
651: cr sourcefilename type ." :"
652: sourceline# .dec ;
653:
654: : warnhead
655: \G display error-message head
656: \G perhaps with linenumber and filename
657: .sourcepos ." Warning: " ;
658:
659: : empty? depth IF .sourcepos ." Stack not empty!" THEN ;
660:
661: stack-warn [IF]
662: : defempty? empty? ;
663: [ELSE]
664: : defempty? ; immediate
1.139 jwilke 665: \ : defempty? .sourcepos ;
1.77 jwilke 666: [THEN]
667:
1.105 jwilke 668: \ \ -------------------- Compiler Plug Ins 01aug97jaw
669:
670: >CROSS
671:
672: \ Compiler States
673:
674: Variable comp-state
675: 0 Constant interpreting
676: 1 Constant compiling
677: 2 Constant resolving
678: 3 Constant assembling
679:
680: : compiling? comp-state @ compiling = ;
681:
682: : pi-undefined -1 ABORT" Plugin undefined" ;
683:
684: : Plugin ( -- : pluginname )
685: Create
686: \ for normal cross-compiling only one action
687: \ exists, this fields are identical. For the instant
688: \ simulation environment we need, two actions for each plugin
689: \ the target one and the one that generates the simulation code
690: ['] pi-undefined , \ action
691: ['] pi-undefined , \ target plugin action
692: 8765 , \ plugin magic
693: DOES> perform ;
694:
695: Plugin DummyPlugin
696:
697: : 'PI ( -- addr : pluginname )
698: ' >body dup 2 cells + @ 8765 <> ABORT" not a plugin" ;
699:
700: : plugin-of ( xt -- : pluginname )
701: dup 'PI 2! ;
702:
703: : action-of ( xt -- : plunginname )
704: 'PI cell+ ! ;
705:
706: : TPA ( -- : plugin )
707: \ target plugin action
708: \ executes current target action of plugin
709: 'PI cell+ POSTPONE literal POSTPONE perform ; immediate
710:
711: Variable ppi-temp 0 ppi-temp !
712:
713: : pa:
714: \g define plugin action
715: ppi-temp @ ABORT" pa: definition not closed"
716: 'PI ppi-temp ! :noname ;
717:
718: : ;pa
719: \g end a definition for plugin action
720: POSTPONE ; ppi-temp @ ! 0 ppi-temp ! ; immediate
721:
722:
1.107 jwilke 723: Plugin dlit, ( d -- ) \ compile numerical value the target
1.105 jwilke 724: Plugin lit, ( n -- )
725: Plugin alit, ( n -- )
726:
727: Plugin branch, ( target-addr -- ) \ compiles a branch
728: Plugin ?branch, ( target-addr -- ) \ compiles a ?branch
729: Plugin branchmark, ( -- branch-addr ) \ reserves room for a branch
730: Plugin ?branchmark, ( -- branch-addr ) \ reserves room for a ?branch
731: Plugin ?domark, ( -- branch-addr ) \ reserves room for a ?do branch
732: Plugin branchto, ( -- ) \ actual program position is target of a branch (do e.g. alignment)
733: ' NOOP plugin-of branchto,
734: Plugin branchtoresolve, ( branch-addr -- ) \ resolves a forward reference from branchmark
735: Plugin branchtomark, ( -- target-addr ) \ marks a branch destination
736:
737: Plugin colon, ( tcfa -- ) \ compiles call to tcfa at current position
738: Plugin prim, ( tcfa -- ) \ compiles primitive invocation
739: Plugin colonmark, ( -- addr ) \ marks a colon call
740: Plugin colon-resolve ( tcfa addr -- )
741:
742: Plugin addr-resolve ( target-addr addr -- )
743: Plugin doer-resolve ( ghost res-pnt target-addr addr -- ghost res-pnt )
744:
745: Plugin ncontrols? ( [ xn ... x1 ] n -- ) \ checks wheter n control structures are open
746: Plugin if, ( -- if-token )
747: Plugin else, ( if-token -- if-token )
748: Plugin then, ( if-token -- )
749: Plugin ahead,
750: Plugin begin,
751: Plugin while,
752: Plugin until,
753: Plugin again,
754: Plugin repeat,
755: Plugin cs-swap ( x1 x2 -- x2 x1 )
756:
757: Plugin case, ( -- n )
758: Plugin of, ( n -- x1 n )
759: Plugin endof, ( x1 n -- x2 n )
760: Plugin endcase, ( x1 .. xn n -- )
761:
762: Plugin do, ( -- do-token )
763: Plugin ?do, ( -- ?do-token )
764: Plugin for, ( -- for-token )
765: Plugin loop, ( do-token / ?do-token -- )
766: Plugin +loop, ( do-token / ?do-token -- )
767: Plugin next, ( for-token )
768: Plugin leave, ( -- )
769: Plugin ?leave, ( -- )
770:
1.121 jwilke 771: Plugin ca>native \ Convert a code address to the processors
772: \ native address. This is used in doprim, and
773: \ code/code: primitive definitions word to
774: \ convert the addresses.
775: \ The only target where we need this is the misc
776: \ which is a 16 Bit processor with word addresses
777: \ but the forth system we build has a normal byte
778: \ addressed memory model
1.105 jwilke 779:
780: Plugin doprim, \ compiles start of a primitive
781: Plugin docol, \ compiles start of a colon definition
782: Plugin doer,
783: Plugin fini, \ compiles end of definition ;s
784: Plugin doeshandler,
785: Plugin dodoes,
786:
787: Plugin colon-start
788: ' noop plugin-of colon-start
789: Plugin colon-end
790: ' noop plugin-of colon-end
791:
792: Plugin ]comp \ starts compilation
793: ' noop plugin-of ]comp
794: Plugin comp[ \ ends compilation
795: ' noop plugin-of comp[
796:
797: Plugin t>body \ we need the system >body
798: \ and the target >body
799:
800: >TARGET
801: : >body t>body ;
802:
803:
1.103 jwilke 804: \ Ghost Builder 06oct92py
805:
1.105 jwilke 806: >CROSS
1.103 jwilke 807: hex
1.105 jwilke 808: \ Values for ghost magic
1.103 jwilke 809: 4711 Constant <fwd> 4712 Constant <res>
810: 4713 Constant <imm> 4714 Constant <do:>
811: 4715 Constant <skip>
812:
1.105 jwilke 813: \ Bitmask for ghost flags
1.103 jwilke 814: 1 Constant <unique>
1.105 jwilke 815: 2 Constant <primitive>
816:
817: \ FXIME: move this to general stuff?
818: : set-flag ( addr flag -- )
819: over @ or swap ! ;
820:
821: : reset-flag ( addr flag -- )
822: invert over @ and swap ! ;
823:
824: : get-flag ( addr flag -- f )
825: swap @ and 0<> ;
826:
1.103 jwilke 827:
828: Struct
1.52 jwilke 829:
1.103 jwilke 830: \ link to next ghost (always the first element)
831: cell% field >next-ghost
1.52 jwilke 832:
1.103 jwilke 833: \ type of ghost
834: cell% field >magic
835:
836: \ pointer where ghost is in target, or if unresolved
837: \ points to the where we have to resolve (linked-list)
838: cell% field >link
1.52 jwilke 839:
1.106 jwilke 840: \ execution semantics (while target compiling) of ghost
1.103 jwilke 841: cell% field >exec
1.52 jwilke 842:
1.106 jwilke 843: \ compilation action of this ghost; this is what is
844: \ done to compile a call (or whatever) to this definition.
845: \ E.g. >comp contains the semantic of postpone s"
846: \ whereas >exec-compile contains the semantic of s"
1.105 jwilke 847: cell% field >comp
848:
1.106 jwilke 849: \ Compilation sematics (while parsing) of this ghost. E.g.
850: \ "\" will skip the rest of line.
851: \ These semantics are defined by Cond: and
852: \ if a word is made immediate in instant, then the >exec2 field
853: \ gets copied to here
1.103 jwilke 854: cell% field >exec-compile
1.52 jwilke 855:
1.106 jwilke 856: \ Additional execution semantics of this ghost. This is used
857: \ for code generated by instant and for the doer-xt of created
858: \ words
1.103 jwilke 859: cell% field >exec2
1.52 jwilke 860:
1.103 jwilke 861: cell% field >created
1.52 jwilke 862:
1.103 jwilke 863: \ the xt of the created ghost word itself
864: cell% field >ghost-xt
1.52 jwilke 865:
1.103 jwilke 866: \ pointer to the counted string of the assiciated
867: \ assembler label
868: cell% field >asm-name
1.52 jwilke 869:
1.103 jwilke 870: \ mapped primitives have a special address, so
871: \ we are able to detect them
872: cell% field >asm-dummyaddr
873:
874: \ for builder (create, variable...) words
875: \ the execution symantics of words built are placed here
876: \ this is a doer ghost or a dummy ghost
877: cell% field >do:ghost
1.93 pazsan 878:
1.103 jwilke 879: cell% field >ghost-flags
1.93 pazsan 880:
1.103 jwilke 881: cell% field >ghost-name
1.52 jwilke 882:
1.103 jwilke 883: End-Struct ghost-struct
1.52 jwilke 884:
1.103 jwilke 885: Variable ghost-list
886: 0 ghost-list !
1.52 jwilke 887:
888: Variable executed-ghost \ last executed ghost, needed in tcreate and gdoes>
1.103 jwilke 889: \ Variable last-ghost \ last ghost that is created
1.52 jwilke 890: Variable last-header-ghost \ last ghost definitions with header
891:
1.103 jwilke 892: \ space for ghosts resolve structure
893: \ we create ghosts in a sepearte space
894: \ and not to the current host dp, because this
895: \ gives trouble with instant while compiling and creating
896: \ a ghost for a forward reference
897: \ BTW: we cannot allocate another memory region
898: \ because allot will check the overflow!!
899: Variable cross-space-dp
900: Create cross-space 250000 allot here 100 allot align
901: Constant cross-space-end
902: cross-space cross-space-dp !
903: Variable cross-space-dp-orig
904:
905: : cross-space-used cross-space-dp @ cross-space - ;
906:
907: : >space ( -- )
908: dp @ cross-space-dp-orig !
909: cross-space-dp @ dp ! ;
910:
911: : space> ( -- )
912: dp @ dup cross-space-dp !
913: cross-space-end u> ABORT" CROSS: cross-space overflow"
914: cross-space-dp-orig @ dp ! ;
915:
1.106 jwilke 916: \ this is just for debugging, to see this in the backtrace
1.103 jwilke 917: : execute-exec execute ;
918: : execute-exec2 execute ;
919: : execute-exec-compile execute ;
920:
921: : NoExec
922: executed-ghost @ >exec2 @
923: ?dup
924: IF execute-exec2
925: ELSE true ABORT" CROSS: Don't execute ghost, or immediate target word"
926: THEN ;
927:
1.105 jwilke 928: Defer is-forward
929:
1.103 jwilke 930: : (ghostheader) ( -- )
1.121 jwilke 931: ghost-list linked <fwd> , 0 , ['] NoExec , ['] is-forward ,
1.118 pazsan 932: 0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , ;
1.103 jwilke 933:
934: : ghostheader ( -- ) (ghostheader) 0 , ;
935:
936: ' Ghosts >wordlist Constant ghosts-wordlist
937:
938: \ the current wordlist for ghost definitions in the host
939: ghosts-wordlist Value current-ghosts
940:
1.52 jwilke 941: : Make-Ghost ( "name" -- ghost )
1.103 jwilke 942: >space
943: \ save current and create in ghost vocabulary
944: get-current >r current-ghosts set-current
945: >in @ Create >in !
946: \ some forth systems like iForth need the immediate directly
947: \ after the word is created
948: \ restore current
949: r> set-current
950: here (ghostheader)
951: bl word count string, align
952: space>
953: \ set ghost-xt field by doing a search
954: dup >ghost-name count
955: current-ghosts search-wordlist
956: 0= ABORT" CROSS: Just created, must be there!"
957: over >ghost-xt !
958: DOES>
959: dup executed-ghost !
960: >exec @ execute-exec ;
1.52 jwilke 961:
962: \ ghost words 14oct92py
963: \ changed: 10may93py/jaw
964:
1.103 jwilke 965: Defer search-ghosts
966:
967: : (search-ghosts) ( adr len -- cfa true | 0 )
968: current-ghosts search-wordlist ;
969:
970: ' (search-ghosts) IS search-ghosts
971:
972: : gsearch ( addr len -- ghost true | 0 )
973: search-ghosts
974: dup IF swap >body swap THEN ;
975:
976: : gfind ( string -- ghost true / string false )
1.52 jwilke 977: \ searches for string in word-list ghosts
1.103 jwilke 978: \ dup count type space
979: dup >r count gsearch
980: dup IF rdrop ELSE r> swap THEN ;
1.52 jwilke 981:
982: : gdiscover ( xt -- ghost true | xt false )
1.103 jwilke 983: >r ghost-list
1.52 jwilke 984: BEGIN @ dup
1.103 jwilke 985: WHILE dup >magic @ <fwd> <>
986: IF dup >link @ r@ =
987: IF rdrop true EXIT THEN
988: THEN
1.52 jwilke 989: REPEAT
1.103 jwilke 990: drop r> false ;
1.52 jwilke 991:
1.105 jwilke 992: : xt>ghost ( xt -- ghost )
993: gdiscover 0= ABORT" CROSS: ghost not found for this xt" ;
994:
1.103 jwilke 995: : Ghost ( "name" -- ghost )
996: >in @ bl word gfind IF nip EXIT THEN
1.52 jwilke 997: drop >in ! Make-Ghost ;
998:
999: : >ghostname ( ghost -- adr len )
1.103 jwilke 1000: >ghost-name count ;
1001:
1002: : forward? ( ghost -- flag )
1003: >magic @ <fwd> = ;
1004:
1005: : undefined? ( ghost -- flag )
1006: >magic @ dup <fwd> = swap <skip> = or ;
1007:
1008: : immediate? ( ghost -- flag )
1009: >magic @ <imm> = ;
1010:
1011: Variable TWarnings
1012: TWarnings on
1013: Variable Exists-Warnings
1014: Exists-Warnings on
1015:
1016: : exists-warning ( ghost -- ghost )
1017: TWarnings @ Exists-Warnings @ and
1018: IF dup >ghostname warnhead type ." exists " THEN ;
1019:
1020: \ : HeaderGhost Ghost ;
1021:
1022: Variable reuse-ghosts reuse-ghosts off
1023:
1024: : HeaderGhost ( "name" -- ghost )
1025: >in @
1026: bl word count
1027: \ 2dup type space
1028: current-ghosts search-wordlist
1029: IF >body dup undefined? reuse-ghosts @ or
1030: IF nip EXIT
1031: ELSE exists-warning
1032: THEN
1033: drop >in !
1034: ELSE >in !
1035: THEN
1036: \ we keep the execution semantics of the prviously
1037: \ defined words, this is a workaround
1038: \ for the redefined \ until vocs work
1039: Make-Ghost ;
1040:
1.78 jwilke 1041: : .ghost ( ghost -- ) >ghostname type ;
1042:
1.77 jwilke 1043: \ ' >ghostname ALIAS @name
1.52 jwilke 1044:
1.115 jwilke 1045: : findghost ( "ghostname" -- ghost )
1046: bl word gfind 0= ABORT" CROSS: Ghost don't exists" ;
1047:
1.103 jwilke 1048: : [G'] ( -- ghost : name )
1049: \G ticks a ghost and returns its address
1.115 jwilke 1050: findghost
1051: state @ IF postpone literal THEN ; immediate
1.103 jwilke 1052:
1.105 jwilke 1053: : g>xt ( ghost -- xt )
1054: \G Returns the xt (cfa) of a ghost. Issues a warning if undefined.
1.103 jwilke 1055: dup undefined? ABORT" CROSS: forward " >link @ ;
1056:
1.105 jwilke 1057: : g>body ( ghost -- body )
1058: \G Returns the body-address (pfa) of a ghost.
1059: \G Issues a warning if undefined (a forward-reference).
1060: g>xt X >body ;
1061:
1.103 jwilke 1062: 1 Constant <label>
1.52 jwilke 1063:
1.103 jwilke 1064: Struct
1065: \ bitmask of address type (not used for now)
1066: cell% field addr-type
1067: \ if this address is an xt, this field points to the ghost
1068: cell% field addr-xt-ghost
1069: \ a bit mask that tells as what part of the cell
1070: \ is refenced from an address pointer, used for assembler generation
1071: cell% field addr-refs
1072: End-Struct addr-struct
1073:
1074: : %allocerase ( align size -- addr )
1075: dup >r %alloc dup r> erase ;
1076:
1077: \ returns the addr struct, define it if 0 reference
1078: : define-addr-struct ( addr -- struct-addr )
1079: dup @ ?dup IF nip EXIT THEN
1080: addr-struct %allocerase tuck swap ! ;
1.75 jwilke 1081:
1.118 pazsan 1082: >cross
1083:
1.52 jwilke 1084: \ Predefined ghosts 12dec92py
1085:
1.114 jwilke 1086: Ghost - drop \ need a ghost otherwise "-" would be treated as a number
1087:
1.103 jwilke 1088: Ghost 0= drop
1089: Ghost branch Ghost ?branch 2drop
1090: Ghost unloop Ghost ;S 2drop
1.118 pazsan 1091: Ghost lit Ghost ! 2drop
1092: Ghost noop drop
1.103 jwilke 1093: Ghost over Ghost = Ghost drop 2drop drop
1094: Ghost 2drop drop
1095: Ghost 2dup drop
1.115 jwilke 1096: Ghost call drop
1097: Ghost @ drop
1098: Ghost useraddr drop
1099: Ghost execute drop
1100: Ghost + drop
1101: Ghost decimal drop
1102: Ghost hex drop
1.118 pazsan 1103: Ghost lit@ drop
1104: Ghost lit-perform drop
1105: Ghost lit+ drop
1106: Ghost does-exec drop
1.52 jwilke 1107:
1.119 pazsan 1108: Ghost :docol Ghost :doesjump Ghost :dodoes 2drop drop
1109: Ghost :dovar drop
1110:
1.52 jwilke 1111: \ \ Parameter for target systems 06oct92py
1112:
1.103 jwilke 1113:
1.52 jwilke 1114: \ we define it ans like...
1115: wordlist Constant target-environment
1116:
1.103 jwilke 1117: \ save information of current dictionary to restore with environ>
1118: Variable env-current
1.52 jwilke 1119:
1120: : >ENVIRON get-current env-current ! target-environment set-current ;
1121: : ENVIRON> env-current @ set-current ;
1.43 pazsan 1122:
1.48 anton 1123: >TARGET
1.43 pazsan 1124:
1.103 jwilke 1125: : environment? ( addr len -- [ x ] true | false )
1126: \G returns the content of environment variable and true or
1127: \G false if not present
1128: target-environment search-wordlist
1129: IF EXECUTE true ELSE false THEN ;
1130:
1131: : $has? ( addr len -- x | false )
1132: \G returns the content of environment variable
1133: \G or false if not present
1134: T environment? H dup IF drop THEN ;
1135:
1136: : e? ( "name" -- x )
1137: \G returns the content of environment variable.
1138: \G The variable is expected to exist. If not, issue an error.
1139: bl word count T environment? H
1140: 0= ABORT" environment variable not defined!" ;
1141:
1142: : has? ( "name" --- x | false )
1143: \G returns the content of environment variable
1144: \G or false if not present
1145: bl word count T $has? H ;
1.52 jwilke 1146:
1.48 anton 1147:
1.54 pazsan 1148: >ENVIRON get-order get-current swap 1+ set-order
1149: true SetValue compiler
1.83 pazsan 1150: true SetValue cross
1.54 pazsan 1151: true SetValue standard-threading
1152: >TARGET previous
1.52 jwilke 1153:
1.77 jwilke 1154: 0
1.103 jwilke 1155: [IFDEF] mach-file drop mach-file count 1 [THEN]
1156: [IFDEF] machine-file drop machine-file 1 [THEN]
1157: [IF] included hex
1.77 jwilke 1158: [ELSE] cr ." No machine description!" ABORT
1159: [THEN]
1.43 pazsan 1160:
1.53 jwilke 1161: >ENVIRON
1162:
1.54 pazsan 1163: T has? ec H
1164: [IF]
1165: false DefaultValue relocate
1166: false DefaultValue file
1167: false DefaultValue OS
1168: false DefaultValue prims
1169: false DefaultValue floating
1170: false DefaultValue glocals
1171: false DefaultValue dcomps
1172: false DefaultValue hash
1173: false DefaultValue xconds
1174: false DefaultValue header
1.105 jwilke 1175: false DefaultValue backtrace
1176: false DefaultValue new-input
1177: false DefaultValue peephole
1.129 jwilke 1178: false DefaultValue abranch
1.139 jwilke 1179: true DefaultValue f83headerstring
1.141 pazsan 1180: true DefaultValue control-rack
1.54 pazsan 1181: [THEN]
1182:
1.139 jwilke 1183: true DefaultValue gforthcross
1.54 pazsan 1184: true DefaultValue interpreter
1185: true DefaultValue ITC
1186: false DefaultValue rom
1.73 jwilke 1187: true DefaultValue standardthreading
1.53 jwilke 1188:
1.139 jwilke 1189: \ ANSForth environment stuff
1190: 8 DefaultValue ADDRESS-UNIT-BITS
1191: 255 DefaultValue MAX-CHAR
1192: 255 DefaultValue /COUNTED-STRING
1193:
1.52 jwilke 1194: >TARGET
1.53 jwilke 1195: s" relocate" T environment? H
1.103 jwilke 1196: \ JAW why set NIL to this?!
1197: [IF] drop \ SetValue NIL
1.113 jwilke 1198: [ELSE] >ENVIRON X NIL SetValue relocate
1.53 jwilke 1199: [THEN]
1.113 jwilke 1200: >TARGET
1201:
1202: 0 Constant NIL
1.43 pazsan 1203:
1204: >CROSS
1205:
1.52 jwilke 1206: \ \ Create additional parameters 19jan95py
1.19 pazsan 1207:
1.71 jwilke 1208: \ currently cross only works for host machines with address-unit-bits
1209: \ eual to 8 because of s! and sc!
1210: \ but I start to query the environment just to modularize a little bit
1211:
1212: : check-address-unit-bits ( -- )
1213: \ s" ADDRESS-UNIT-BITS" environment?
1214: \ IF 8 <> ELSE true THEN
1215: \ ABORT" ADDRESS-UNIT-BITS unknown or not equal to 8!"
1216:
1217: \ shit, this doesn't work because environment? is only defined for
1218: \ gforth.fi and not kernl???.fi
1219: ;
1220:
1221: check-address-unit-bits
1222: 8 Constant bits/byte \ we define: byte is address-unit
1223:
1224: 1 bits/byte lshift Constant maxbyte
1.77 jwilke 1225: \ this sets byte size for the target machine, (probably right guess) jaw
1.67 jwilke 1226:
1.19 pazsan 1227: T
1.71 jwilke 1228: NIL Constant TNIL
1229: cell Constant tcell
1230: cell<< Constant tcell<<
1231: cell>bit Constant tcell>bit
1232: bits/char Constant tbits/char
1233: bits/char H bits/byte T /
1234: Constant tchar
1235: float Constant tfloat
1236: 1 bits/char lshift Constant tmaxchar
1237: [IFUNDEF] bits/byte
1238: 8 Constant tbits/byte
1239: [ELSE]
1240: bits/byte Constant tbits/byte
1241: [THEN]
1.19 pazsan 1242: H
1.81 pazsan 1243: tbits/char bits/byte / Constant tbyte
1.71 jwilke 1244:
1.19 pazsan 1245:
1.48 anton 1246: \ Variables 06oct92py
1247:
1.124 jwilke 1248: Variable (tlast)
1249: (tlast) Value tlast TNIL tlast ! \ Last name field
1.48 anton 1250: Variable tlastcfa \ Last code field
1.52 jwilke 1251:
1252: \ statistics 10jun97jaw
1253:
1254: Variable headers-named 0 headers-named !
1255: Variable user-vars 0 user-vars !
1256:
1.67 jwilke 1257: : target>bitmask-size ( u1 -- u2 )
1258: 1- tcell>bit rshift 1+ ;
1259:
1.105 jwilke 1260: : allocatetarget ( size -- adr )
1.67 jwilke 1261: dup allocate ABORT" CROSS: No memory for target"
1262: swap over swap erase ;
1.52 jwilke 1263:
1.54 pazsan 1264: \ \ memregion.fs
1.52 jwilke 1265:
1266:
1267: Variable last-defined-region \ pointer to last defined region
1268: Variable region-link \ linked list with all regions
1269: Variable mirrored-link \ linked list for mirrored regions
1270: 0 dup mirrored-link ! region-link !
1271:
1.139 jwilke 1272: : >rname 9 cells + ;
1273: : >rtouch 8 cells + ; \ executed when region is accessed
1.124 jwilke 1274: : >rbm 4 cells + ; \ bitfield per cell witch indicates relocation
1.103 jwilke 1275: : >rmem 5 cells + ;
1.124 jwilke 1276: : >rtype 6 cells + ; \ field per cell witch points to a type struct
1277: : >rrom 7 cells + ; \ a -1 indicates that this region is rom
1.67 jwilke 1278: : >rlink 3 cells + ;
1.52 jwilke 1279: : >rdp 2 cells + ;
1280: : >rlen cell+ ;
1281: : >rstart ;
1282:
1.113 jwilke 1283: : (region) ( addr len region -- )
1284: \G change startaddress and length of an existing region
1285: >r r@ last-defined-region !
1286: r@ >rlen ! dup r@ >rstart ! r> >rdp ! ;
1.52 jwilke 1287:
1.139 jwilke 1288: : uninitialized -1 ABORT" CROSS: Region is uninitialized" ;
1289:
1.123 jwilke 1290: : region ( addr len -- "name" )
1.103 jwilke 1291: \G create a new region
1.52 jwilke 1292: \ check whether predefined region exists
1293: save-input bl word find >r >r restore-input throw r> r> 0=
1294: IF \ make region
1295: drop
1296: save-input create restore-input throw
1297: here last-defined-region !
1298: over ( startaddr ) , ( length ) , ( dp ) ,
1.139 jwilke 1299: region-link linked 0 , 0 , 0 , 0 ,
1300: ['] uninitialized ,
1301: bl word count string,
1.52 jwilke 1302: ELSE \ store new parameters in region
1303: bl word drop
1.113 jwilke 1304: >body (region)
1.52 jwilke 1305: THEN ;
1306:
1.103 jwilke 1307: : borders ( region -- startaddr endaddr )
1308: \G returns lower and upper region border
1.67 jwilke 1309: dup >rstart @ swap >rlen @ over + ;
1.52 jwilke 1310:
1.103 jwilke 1311: : extent ( region -- startaddr len )
1312: \G returns the really used area
1.67 jwilke 1313: dup >rstart @ swap >rdp @ over - ;
1.52 jwilke 1314:
1.103 jwilke 1315: : area ( region -- startaddr totallen )
1316: \G returns the total area
1.79 jwilke 1317: dup >rstart @ swap >rlen @ ;
1.52 jwilke 1318:
1.139 jwilke 1319: : dp@ ( region -- dp )
1320: >rdp @ ;
1321:
1.124 jwilke 1322: : mirrored ( -- )
1323: \G mark last defined region as mirrored
1.52 jwilke 1324: mirrored-link
1.68 jwilke 1325: align linked last-defined-region @ , ;
1.52 jwilke 1326:
1.124 jwilke 1327: : writeprotected
1328: \G mark a region as write protected
1329: -1 last-defined-region @ >rrom ! ;
1330:
1.67 jwilke 1331: : .addr ( u -- )
1332: \G prints a 16 or 32 Bit nice hex value
1.52 jwilke 1333: base @ >r hex
1334: tcell 2 u>
1.77 jwilke 1335: IF s>d <# # # # # [char] . hold # # # # #> type
1.52 jwilke 1336: ELSE s>d <# # # # # # #> type
1.103 jwilke 1337: THEN r> base ! space ;
1.52 jwilke 1338:
1339: : .regions \G display region statistic
1340:
1341: \ we want to list the regions in the right order
1342: \ so first collect all regions on stack
1343: 0 region-link @
1344: BEGIN dup WHILE dup @ REPEAT drop
1345: BEGIN dup
1.67 jwilke 1346: WHILE cr
1347: 0 >rlink - >r
1348: r@ >rname count tuck type
1.52 jwilke 1349: 12 swap - 0 max spaces space
1.67 jwilke 1350: ." Start: " r@ >rstart @ dup .addr space
1351: ." End: " r@ >rlen @ + .addr space
1352: ." DP: " r> >rdp @ .addr
1.52 jwilke 1353: REPEAT drop
1.53 jwilke 1354: s" rom" T $has? H 0= ?EXIT
1.52 jwilke 1355: cr ." Mirrored:"
1356: mirrored-link @
1357: BEGIN dup
1.67 jwilke 1358: WHILE space dup cell+ @ >rname count type @
1.52 jwilke 1359: REPEAT drop cr
1360: ;
1361:
1362: \ -------- predefined regions
1363:
1364: 0 0 region address-space
1365: \ total memory addressed and used by the target system
1366:
1.139 jwilke 1367: 0 0 region user-region
1368: \ data for user variables goes here
1369: \ this has to be defined before dictionary or ram-dictionary
1370:
1.52 jwilke 1371: 0 0 region dictionary
1372: \ rom area for the compiler
1373:
1.53 jwilke 1374: T has? rom H
1.52 jwilke 1375: [IF]
1376: 0 0 region ram-dictionary mirrored
1377: \ ram area for the compiler
1378: [ELSE]
1379: ' dictionary ALIAS ram-dictionary
1380: [THEN]
1381:
1382: 0 0 region return-stack
1383:
1384: 0 0 region data-stack
1385:
1386: 0 0 region tib-region
1387:
1388: ' dictionary ALIAS rom-dictionary
1389:
1.139 jwilke 1390: : setup-region ( region -- )
1391: >r
1392: \ allocate mem
1393: r@ >rlen @ allocatetarget
1394: r@ >rmem !
1395:
1396: r@ >rlen @
1397: target>bitmask-size allocatetarget
1398: r@ >rbm !
1399:
1400: r@ >rlen @
1401: tcell / 1+ cells allocatetarget r@ >rtype !
1402:
1403: ['] noop r@ >rtouch !
1404: rdrop ;
1.52 jwilke 1405:
1.105 jwilke 1406: : setup-target ( -- ) \G initialize target's memory space
1.53 jwilke 1407: s" rom" T $has? H
1.52 jwilke 1408: IF \ check for ram and rom...
1.72 jwilke 1409: \ address-space area nip 0<>
1.67 jwilke 1410: ram-dictionary area nip 0<>
1411: rom-dictionary area nip 0<>
1.72 jwilke 1412: and 0=
1.52 jwilke 1413: ABORT" CROSS: define address-space, rom- , ram-dictionary, with rom-support!"
1414: THEN
1415: address-space area nip
1416: IF
1417: address-space area
1418: ELSE
1419: dictionary area
1420: THEN
1.67 jwilke 1421: nip 0=
1.52 jwilke 1422: ABORT" CROSS: define at least address-space or dictionary!!"
1.67 jwilke 1423:
1424: \ allocate target for each region
1425: region-link
1426: BEGIN @ dup
1427: WHILE dup
1428: 0 >rlink - >r
1429: r@ >rlen @
1.139 jwilke 1430: IF r@ setup-region
1431: THEN rdrop
1.72 jwilke 1432: REPEAT drop ;
1433:
1.105 jwilke 1434: \ MakeKernel 22feb99jaw
1.72 jwilke 1435:
1.134 pazsan 1436: : makekernel ( start targetsize -- )
1.113 jwilke 1437: \G convenience word to setup the memory of the target
1438: \G used by main.fs of the c-engine based systems
1.134 pazsan 1439: dictionary (region) setup-target ;
1.72 jwilke 1440:
1441: >MINIMAL
1442: : makekernel makekernel ;
1443: >CROSS
1.52 jwilke 1444:
1.54 pazsan 1445: \ \ switched tdp for rom support 03jun97jaw
1.52 jwilke 1446:
1447: \ second value is here to store some maximal value for statistics
1448: \ tempdp is also embedded here but has nothing to do with rom support
1449: \ (needs switched dp)
1450:
1451: variable tempdp 0 , \ temporary dp for resolving
1452: variable tempdp-save
1453:
1454: 0 [IF]
1455: variable romdp 0 , \ Dictionary-Pointer for ramarea
1456: variable ramdp 0 , \ Dictionary-Pointer for romarea
1457:
1458: \
1459: variable sramdp \ start of ram-area for forth
1460: variable sromdp \ start of rom-area for forth
1461:
1462: [THEN]
1463:
1.123 jwilke 1464: 0 Value current-region
1465: 0 Value tdp
1466: Variable fixed \ flag: true: no automatic switching
1.52 jwilke 1467: \ false: switching is done automatically
1468:
1469: \ Switch-Policy:
1470: \
1471: \ a header is always compiled into rom
1472: \ after a created word (create and variable) compilation goes to ram
1473: \
1474: \ Be careful: If you want to make the data behind create into rom
1475: \ you have to put >rom before create!
1476:
1477: variable constflag constflag off
1478:
1.67 jwilke 1479: : activate ( region -- )
1480: \G next code goes to this region
1.123 jwilke 1481: dup to current-region >rdp to tdp ;
1.67 jwilke 1482:
1.52 jwilke 1483: : (switchram)
1.53 jwilke 1484: fixed @ ?EXIT s" rom" T $has? H 0= ?EXIT
1.67 jwilke 1485: ram-dictionary activate ;
1.52 jwilke 1486:
1487: : switchram
1488: constflag @
1489: IF constflag off ELSE (switchram) THEN ;
1490:
1491: : switchrom
1.67 jwilke 1492: fixed @ ?EXIT rom-dictionary activate ;
1.52 jwilke 1493:
1494: : >tempdp ( addr -- )
1495: tdp tempdp-save ! tempdp to tdp tdp ! ;
1496: : tempdp> ( -- )
1497: tempdp-save @ to tdp ;
1498:
1499: : >ram fixed off (switchram) fixed on ;
1500: : >rom fixed off switchrom fixed on ;
1501: : >auto fixed off switchrom ;
1502:
1503:
1504:
1505: \ : romstart dup sromdp ! romdp ! ;
1506: \ : ramstart dup sramdp ! ramdp ! ;
1507:
1.67 jwilke 1508: \ default compilation goes to rom
1.52 jwilke 1509: \ when romable support is off, only the rom switch is used (!!)
1510: >auto
1511:
1.48 anton 1512: : there tdp @ ;
1513:
1.52 jwilke 1514: >TARGET
1.48 anton 1515:
1.52 jwilke 1516: \ \ Target Memory Handling
1.1 anton 1517:
1518: \ Byte ordering and cell size 06oct92py
1519:
1.19 pazsan 1520: : cell+ tcell + ;
1521: : cells tcell<< lshift ;
1.71 jwilke 1522: : chars tchar * ;
1523: : char+ tchar + ;
1.19 pazsan 1524: : floats tfloat * ;
1.6 anton 1525:
1.1 anton 1526: >CROSS
1.19 pazsan 1527: : cell/ tcell<< rshift ;
1.1 anton 1528: >TARGET
1529: 20 CONSTANT bl
1.52 jwilke 1530: \ TNIL Constant NIL
1.1 anton 1531:
1532: >CROSS
1533:
1.20 pazsan 1534: bigendian
1535: [IF]
1.106 jwilke 1536: : DS! ( d addr -- ) tcell bounds swap 1-
1.20 pazsan 1537: DO maxbyte ud/mod rot I c! -1 +LOOP 2drop ;
1.106 jwilke 1538: : DS@ ( addr -- d ) >r 0 0 r> tcell bounds
1539: DO maxbyte * swap maxbyte um* rot + swap I c@ + swap LOOP ;
1.57 pazsan 1540: : Sc! ( n addr -- ) >r s>d r> tchar bounds swap 1-
1541: DO maxbyte ud/mod rot I c! -1 +LOOP 2drop ;
1542: : Sc@ ( addr -- n ) >r 0 0 r> tchar bounds
1543: DO maxbyte * swap maxbyte um* rot + swap I c@ + swap LOOP d>s ;
1.19 pazsan 1544: [ELSE]
1.106 jwilke 1545: : DS! ( d addr -- ) tcell bounds
1.20 pazsan 1546: DO maxbyte ud/mod rot I c! LOOP 2drop ;
1.106 jwilke 1547: : DS@ ( addr -- n ) >r 0 0 r> tcell bounds swap 1-
1548: DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP ;
1.57 pazsan 1549: : Sc! ( n addr -- ) >r s>d r> tchar bounds
1550: DO maxbyte ud/mod rot I c! LOOP 2drop ;
1551: : Sc@ ( addr -- n ) >r 0 0 r> tchar bounds swap 1-
1552: DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP d>s ;
1.1 anton 1553: [THEN]
1554:
1.106 jwilke 1555: : S! ( n addr -- ) >r s>d r> DS! ;
1556: : S@ ( addr -- n ) DS@ d>s ;
1557:
1.67 jwilke 1558: : taddr>region ( taddr -- region | 0 )
1559: \G finds for a target-address the correct region
1560: \G returns 0 if taddr is not in range of a target memory region
1561: region-link
1562: BEGIN @ dup
1563: WHILE dup >r
1564: 0 >rlink - >r
1565: r@ >rlen @
1566: IF dup r@ borders within
1.139 jwilke 1567: IF r> r> drop nip
1568: dup >rtouch @ EXECUTE EXIT
1569: THEN
1.67 jwilke 1570: THEN
1571: r> drop
1572: r>
1573: REPEAT
1574: 2drop 0 ;
1575:
1.103 jwilke 1576: : taddr>region-abort ( taddr -- region | 0 )
1.122 jwilke 1577: \G Same as taddr>region but aborts if taddr is not
1578: \G a valid address in the target address space
1.103 jwilke 1579: dup taddr>region dup 0=
1580: IF drop cr ." Wrong address: " .addr
1581: -1 ABORT" Address out of range!"
1582: THEN nip ;
1583:
1.67 jwilke 1584: : (>regionimage) ( taddr -- 'taddr )
1585: dup
1586: \ find region we want to address
1.103 jwilke 1587: taddr>region-abort
1.67 jwilke 1588: >r
1589: \ calculate offset in region
1590: r@ >rstart @ -
1591: \ add regions real address in our memory
1592: r> >rmem @ + ;
1593:
1.124 jwilke 1594: : (>regionramimage) ( taddr -- 'taddr )
1595: \G same as (>regionimage) but aborts if the region is rom
1596: dup
1597: \ find region we want to address
1598: taddr>region-abort
1599: >r
1600: r@ >rrom @ ABORT" CROSS: region is write-protected!"
1601: \ calculate offset in region
1602: r@ >rstart @ -
1603: \ add regions real address in our memory
1604: r> >rmem @ + ;
1605:
1.103 jwilke 1606: : (>regionbm) ( taddr -- 'taddr bitmaskbaseaddr )
1607: dup
1608: \ find region we want to address
1609: taddr>region-abort
1610: >r
1611: \ calculate offset in region
1612: r@ >rstart @ -
1613: \ add regions real address in our memory
1614: r> >rbm @ ;
1615:
1616: : (>regiontype) ( taddr -- 'taddr )
1617: dup
1618: \ find region we want to address
1619: taddr>region-abort
1620: >r
1621: \ calculate offset in region
1622: r@ >rstart @ - tcell / cells
1623: \ add regions real address in our memory
1624: r> >rtype @ + ;
1625:
1.1 anton 1626: \ Bit string manipulation 06oct92py
1627: \ 9may93jaw
1628: CREATE Bittable 80 c, 40 c, 20 c, 10 c, 8 c, 4 c, 2 c, 1 c,
1629: : bits ( n -- n ) chars Bittable + c@ ;
1630:
1631: : >bit ( addr n -- c-addr mask ) 8 /mod rot + swap bits ;
1632: : +bit ( addr n -- ) >bit over c@ or swap c! ;
1.4 pazsan 1633: : -bit ( addr n -- ) >bit invert over c@ and swap c! ;
1.67 jwilke 1634:
1.103 jwilke 1635: : @relbit ( taddr -- f ) (>regionbm) swap cell/ >bit swap c@ and ;
1636:
1.84 jwilke 1637: : (relon) ( taddr -- )
1638: [ [IFDEF] fd-relocation-table ]
1639: s" +" fd-relocation-table write-file throw
1640: dup s>d <# #s #> fd-relocation-table write-line throw
1641: [ [THEN] ]
1.103 jwilke 1642: (>regionbm) swap cell/ +bit ;
1.84 jwilke 1643:
1644: : (reloff) ( taddr -- )
1645: [ [IFDEF] fd-relocation-table ]
1646: s" -" fd-relocation-table write-file throw
1647: dup s>d <# #s #> fd-relocation-table write-line throw
1648: [ [THEN] ]
1.103 jwilke 1649: (>regionbm) swap cell/ -bit ;
1.67 jwilke 1650:
1651: DEFER >image
1.124 jwilke 1652: DEFER >ramimage
1.67 jwilke 1653: DEFER relon
1654: DEFER reloff
1655: DEFER correcter
1656:
1657: T has? relocate H
1658: [IF]
1659: ' (relon) IS relon
1660: ' (reloff) IS reloff
1.103 jwilke 1661: ' (>regionimage) IS >image
1.124 jwilke 1662: ' (>regionimage) IS >ramimage
1.67 jwilke 1663: [ELSE]
1664: ' drop IS relon
1665: ' drop IS reloff
1.68 jwilke 1666: ' (>regionimage) IS >image
1.124 jwilke 1667: ' (>regionimage) IS >ramimage
1.67 jwilke 1668: [THEN]
1.1 anton 1669:
1.124 jwilke 1670: : enforce-writeprotection ( -- )
1671: ['] (>regionramimage) IS >ramimage ;
1672:
1673: : relax-writeprotection ( -- )
1674: ['] (>regionimage) IS >ramimage ;
1675:
1676: : writeprotection-relaxed? ( -- )
1677: ['] >ramimage >body @ ['] (>regionimage) = ;
1678:
1.1 anton 1679: \ Target memory access 06oct92py
1680:
1681: : align+ ( taddr -- rest )
1.48 anton 1682: tcell tuck 1- and - [ tcell 1- ] Literal and ;
1.22 anton 1683: : cfalign+ ( taddr -- rest )
1.39 pazsan 1684: \ see kernel.fs:cfaligned
1.43 pazsan 1685: /maxalign tuck 1- and - [ /maxalign 1- ] Literal and ;
1.1 anton 1686:
1687: >TARGET
1688: : aligned ( taddr -- ta-addr ) dup align+ + ;
1689: \ assumes cell alignment granularity (as GNU C)
1690:
1.22 anton 1691: : cfaligned ( taddr1 -- taddr2 )
1.39 pazsan 1692: \ see kernel.fs
1.22 anton 1693: dup cfalign+ + ;
1694:
1.52 jwilke 1695: : @ ( taddr -- w ) >image S@ ;
1.124 jwilke 1696: : ! ( w taddr -- ) >ramimage S! ;
1.57 pazsan 1697: : c@ ( taddr -- char ) >image Sc@ ;
1.124 jwilke 1698: : c! ( char taddr -- ) >ramimage Sc! ;
1.7 anton 1699: : 2@ ( taddr -- x1 x2 ) T dup cell+ @ swap @ H ;
1.82 pazsan 1700: : 2! ( x1 x2 taddr -- ) T tuck ! cell+ ! H ;
1.1 anton 1701:
1702: \ Target compilation primitives 06oct92py
1703: \ included A! 16may93jaw
1704:
1705: : here ( -- there ) there ;
1706: : allot ( n -- ) tdp +! ;
1.78 jwilke 1707: : , ( w -- ) T here H tcell T allot ! H ;
1708: : c, ( char -- ) T here H tchar T allot c! H ;
1709: : align ( -- ) T here H align+ 0 ?DO bl T c, H tchar +LOOP ;
1.22 anton 1710: : cfalign ( -- )
1.78 jwilke 1711: T here H cfalign+ 0 ?DO bl T c, H tchar +LOOP ;
1.1 anton 1712:
1.71 jwilke 1713: : >address dup 0>= IF tbyte / THEN ; \ ?? jaw
1.59 pazsan 1714: : A! swap >address swap dup relon T ! H ;
1715: : A, ( w -- ) >address T here H relon T , H ;
1.1 anton 1716:
1.118 pazsan 1717: \ high-level ghosts
1718:
1719: >CROSS
1720:
1721: Ghost (do) Ghost (?do) 2drop
1722: Ghost (for) drop
1723: Ghost (loop) Ghost (+loop) 2drop
1724: Ghost (next) drop
1.146 anton 1725: Ghost (does>) Ghost (does>1) Ghost (does>2) 2drop drop
1726: Ghost compile, drop
1.118 pazsan 1727: Ghost (.") Ghost (S") Ghost (ABORT") 2drop drop
1.130 pazsan 1728: Ghost (C") Ghost c(abort") Ghost type 2drop drop
1.118 pazsan 1729: Ghost ' drop
1730:
1731: \ user ghosts
1732:
1733: Ghost state drop
1.103 jwilke 1734:
1735: \ \ -------------------- Host/Target copy etc. 29aug01jaw
1736:
1737:
1738: >CROSS
1739:
1.107 jwilke 1740: : TD! >image DS! ;
1741: : TD@ >image DS@ ;
1742:
1.103 jwilke 1743: : th-count ( taddr -- host-addr len )
1744: \G returns host address of target string
1745: assert1( tbyte 1 = )
1746: dup X c@ swap X char+ >image swap ;
1747:
1748: : ht-move ( haddr taddr len -- )
1749: \G moves data from host-addr to destination in target-addr
1750: \G character by character
1751: swap -rot bounds ?DO I c@ over X c! X char+ LOOP drop ;
1752:
1753: 2Variable last-string
1754:
1755: : ht-string, ( addr count -- )
1756: dup there swap last-string 2!
1.130 pazsan 1757: dup T c, H bounds ?DO I c@ T c, H LOOP ;
1758: : ht-mem, ( addr count )
1759: bounds ?DO I c@ T c, H LOOP ;
1.103 jwilke 1760:
1761: >TARGET
1762:
1763: : count dup X c@ swap X char+ swap ;
1.110 jwilke 1764:
1765: : on -1 -1 rot TD! ;
1.103 jwilke 1766: : off T 0 swap ! H ;
1.1 anton 1767:
1.107 jwilke 1768: : tcmove ( source dest len -- )
1769: \G cmove in target memory
1770: tchar * bounds
1771: ?DO dup T c@ H I T c! H 1+
1772: tchar +LOOP drop ;
1773:
1774: : td, ( d -- )
1775: \G Store a host value as one cell into the target
1776: there tcell X allot TD! ;
1777:
1778: \ \ Load Assembler
1779:
1780: >TARGET
1781: H also Forth definitions
1782:
1783: \ FIXME: should we include the assembler really in the forth
1784: \ dictionary?!?!?!? This conflicts with the existing assembler
1785: \ of the host forth system!!
1786: [IFDEF] asm-include asm-include [THEN] hex
1787:
1788: previous
1789:
1790:
1.52 jwilke 1791: >CROSS
1792:
1.103 jwilke 1793: : (cc) T a, H ; ' (cc) plugin-of colon,
1.105 jwilke 1794: : (prim) T a, H ; ' (prim) plugin-of prim,
1.52 jwilke 1795:
1.118 pazsan 1796: : (cr) >tempdp colon, tempdp> ; ' (cr) plugin-of colon-resolve
1.103 jwilke 1797: : (ar) T ! H ; ' (ar) plugin-of addr-resolve
1.54 pazsan 1798: : (dr) ( ghost res-pnt target-addr addr )
1799: >tempdp drop over
1800: dup >magic @ <do:> =
1801: IF doer,
1802: ELSE dodoes,
1803: THEN
1.103 jwilke 1804: tempdp> ; ' (dr) plugin-of doer-resolve
1.54 pazsan 1805:
1806: : (cm) ( -- addr )
1.121 jwilke 1807: there -1 colon, ; ' (cm) plugin-of colonmark,
1.1 anton 1808:
1.52 jwilke 1809: >TARGET
1.105 jwilke 1810: : compile, ( xt -- )
1.107 jwilke 1811: dup xt>ghost >comp @ EXECUTE ;
1.52 jwilke 1812: >CROSS
1.1 anton 1813:
1.102 jwilke 1814: \ resolve structure
1815:
1816: : >next ; \ link to next field
1817: : >tag cell+ ; \ indecates type of reference: 0: call, 1: address, 2: doer
1818: : >taddr cell+ cell+ ;
1819: : >ghost 3 cells + ;
1820: : >file 4 cells + ;
1821: : >line 5 cells + ;
1822:
1823: : (refered) ( ghost addr tag -- )
1824: \G creates a reference to ghost at address taddr
1.103 jwilke 1825: >space
1826: rot >link linked
1.102 jwilke 1827: ( taddr tag ) ,
1828: ( taddr ) ,
1829: last-header-ghost @ ,
1830: loadfile ,
1831: sourceline# ,
1.103 jwilke 1832: space>
1.118 pazsan 1833: ;
1834:
1.52 jwilke 1835: : refered ( ghost tag -- )
1.53 jwilke 1836: \G creates a resolve structure
1.54 pazsan 1837: T here aligned H swap (refered)
1838: ;
1839:
1840: : killref ( addr ghost -- )
1841: \G kills a forward reference to ghost at position addr
1842: \G this is used to eleminate a :dovar refence after making a DOES>
1843: dup >magic @ <fwd> <> IF 2drop EXIT THEN
1844: swap >r >link
1845: BEGIN dup @ dup ( addr last this )
1846: WHILE dup >taddr @ r@ =
1847: IF @ over !
1848: ELSE nip THEN
1849: REPEAT rdrop 2drop
1.53 jwilke 1850: ;
1.48 anton 1851:
1.52 jwilke 1852: Defer resolve-warning
1.1 anton 1853:
1.52 jwilke 1854: : reswarn-test ( ghost res-struct -- ghost res-struct )
1.78 jwilke 1855: over cr ." Resolving " .ghost dup ." in " >ghost @ .ghost ;
1.1 anton 1856:
1.52 jwilke 1857: : reswarn-forward ( ghost res-struct -- ghost res-struct )
1.78 jwilke 1858: over warnhead .ghost dup ." is referenced in "
1859: >ghost @ .ghost ;
1.1 anton 1860:
1.52 jwilke 1861: \ ' reswarn-test IS resolve-warning
1862:
1.1 anton 1863: \ resolve 14oct92py
1864:
1.54 pazsan 1865: : resolve-loop ( ghost resolve-list tcfa -- )
1866: >r
1867: BEGIN dup WHILE
1868: \ dup >tag @ 2 = IF reswarn-forward THEN
1869: resolve-warning
1870: r@ over >taddr @
1871: 2 pick >tag @
1872: CASE 0 OF colon-resolve ENDOF
1873: 1 OF addr-resolve ENDOF
1874: 2 OF doer-resolve ENDOF
1875: ENDCASE
1876: @ \ next list element
1877: REPEAT 2drop rdrop
1878: ;
1.52 jwilke 1879:
1880: \ : resolve-loop ( ghost tcfa -- ghost tcfa )
1881: \ >r dup >link @
1882: \ BEGIN dup WHILE dup T @ H r@ rot T ! H REPEAT drop r> ;
1.1 anton 1883:
1884: \ exists 9may93jaw
1885:
1.103 jwilke 1886: : exists ( ghost tcfa -- )
1887: \G print warning and set new target link in ghost
1888: swap exists-warning
1889: >link ! ;
1.52 jwilke 1890:
1.105 jwilke 1891: : colon-resolved ( ghost -- )
1.121 jwilke 1892: \ compiles a call to a colon definition,
1893: \ compile action for >comp field
1894: >link @ colon, ;
1.105 jwilke 1895:
1896: : prim-resolved ( ghost -- )
1.121 jwilke 1897: \ compiles a call to a primitive
1.105 jwilke 1898: >link @ prim, ;
1899:
1.121 jwilke 1900: : (is-forward) ( ghost -- )
1901: colonmark, 0 (refered) ; \ compile space for call
1902: ' (is-forward) IS is-forward
1903:
1.118 pazsan 1904: 0 Value resolved
1.1 anton 1905:
1.122 jwilke 1906: : resolve-forward-references ( ghost resolve-list -- )
1907: \ loop through forward referencies
1908: comp-state @ >r Resolving comp-state !
1909: over >link @ resolve-loop
1910: r> comp-state !
1911:
1912: ['] noop IS resolve-warning ;
1913:
1914:
1915: : (resolve) ( ghost tcfa -- ghost resolve-list )
1916: \ check for a valid address, it is a primitive reference
1917: \ otherwise
1.103 jwilke 1918: dup taddr>region 0<> IF
1.122 jwilke 1919: \ define this address in the region address type table
1.103 jwilke 1920: 2dup (>regiontype) define-addr-struct addr-xt-ghost
1921: \ we define new address only if empty
1.105 jwilke 1922: \ this is for not to take over the alias ghost
1923: \ (different ghost, but identical xt)
1.103 jwilke 1924: \ but the very first that really defines it
1925: dup @ 0= IF ! ELSE 2drop THEN
1926: THEN
1.122 jwilke 1927: swap >r
1.118 pazsan 1928: r@ to resolved
1.121 jwilke 1929:
1930: \ r@ >comp @ ['] is-forward =
1931: \ ABORT" >comp action not set on a resolved ghost"
1932:
1933: \ copmile action defaults to colon-resolved
1934: \ if this is not right something must be set before
1935: \ calling resolve
1936: r@ >comp @ ['] is-forward = IF
1.122 jwilke 1937: ['] colon-resolved r@ >comp !
1938: THEN
1939: r@ >link @ swap \ ( list tcfa R: ghost )
1940: \ mark ghost as resolved
1941: r@ >link ! <res> r@ >magic !
1942: r> swap ;
1.54 pazsan 1943:
1.122 jwilke 1944: : resolve ( ghost tcfa -- )
1945: \G resolve referencies to ghost with tcfa
1946: \ is ghost resolved?, second resolve means another
1947: \ definition with the same name
1948: over undefined? 0= IF exists EXIT THEN
1949: (resolve)
1950: ( ghost resolve-list )
1951: resolve-forward-references ;
1952:
1953: : resolve-noforwards ( ghost tcfa -- )
1954: \G Same as resolve but complain if there are any
1955: \G forward references on this ghost
1956: \ is ghost resolved?, second resolve means another
1957: \ definition with the same name
1958: over undefined? 0= IF exists EXIT THEN
1959: (resolve)
1960: IF cr ." No forward references allowed on: " .ghost cr
1961: -1 ABORT" Illegal forward reference"
1962: THEN
1963: drop ;
1.1 anton 1964:
1965: \ gexecute ghost, 01nov92py
1966:
1.103 jwilke 1967: : (gexecute) ( ghost -- )
1.105 jwilke 1968: dup >comp @ EXECUTE ;
1.103 jwilke 1969:
1970: : gexecute ( ghost -- )
1.120 jwilke 1971: dup >magic @ <imm> = ABORT" CROSS: gexecute on immediate word"
1.103 jwilke 1972: (gexecute) ;
1.52 jwilke 1973:
1974: : addr, ( ghost -- )
1.105 jwilke 1975: dup forward? IF 1 refered 0 T a, H ELSE >link @ T a, H THEN ;
1.52 jwilke 1976:
1.1 anton 1977: \ .unresolved 11may93jaw
1978:
1979: variable ResolveFlag
1980:
1981: \ ?touched 11may93jaw
1982:
1.52 jwilke 1983: : ?touched ( ghost -- flag ) dup forward? swap >link @
1.1 anton 1984: 0 <> and ;
1985:
1.53 jwilke 1986: : .forwarddefs ( ghost -- )
1.103 jwilke 1987: ." appeared in:"
1988: >link
1989: BEGIN @ dup
1990: WHILE cr 5 spaces
1991: dup >ghost @ .ghost
1992: ." file " dup >file @ ?dup IF count type ELSE ." CON" THEN
1993: ." line " dup >line @ .dec
1994: REPEAT
1995: drop ;
1996:
1997: : ?resolved ( ghost -- )
1998: dup ?touched
1999: IF ResolveFlag on
2000: dup cr .ghost .forwarddefs
1.53 jwilke 2001: ELSE drop
2002: THEN ;
1.1 anton 2003:
2004: : .unresolved ( -- )
2005: ResolveFlag off cr ." Unresolved: "
1.103 jwilke 2006: ghost-list
1.1 anton 2007: BEGIN @ dup
2008: WHILE dup ?resolved
1.10 anton 2009: REPEAT drop ResolveFlag @
2010: IF
1.48 anton 2011: -1 abort" Unresolved words!"
1.10 anton 2012: ELSE
2013: ." Nothing!"
2014: THEN
2015: cr ;
1.1 anton 2016:
1.52 jwilke 2017: : .stats
2018: base @ >r decimal
2019: cr ." named Headers: " headers-named @ .
2020: r> base ! ;
2021:
1.79 jwilke 2022: >MINIMAL
2023:
2024: : .unresolved .unresolved ;
2025:
1.1 anton 2026: >CROSS
2027: \ Header states 12dec92py
2028:
1.102 jwilke 2029: \ : flag! ( 8b -- ) tlast @ dup >r T c@ xor r> c! H ;
1.142 pazsan 2030: X has? f83headerstring bigendian or [IF] 0 [ELSE] tcell 1- [THEN] Constant flag+
1.90 pazsan 2031: : flag! ( w -- ) tlast @ flag+ + dup >r T c@ xor r> c! H ;
1.1 anton 2032:
2033: VARIABLE ^imm
2034:
1.105 jwilke 2035: \ !! should be target wordsize specific
2036: $80 constant alias-mask
2037: $40 constant immediate-mask
2038: $20 constant restrict-mask
2039:
1.1 anton 2040: >TARGET
1.105 jwilke 2041: : immediate immediate-mask flag!
1.18 pazsan 2042: ^imm @ @ dup <imm> = IF drop EXIT THEN
1.1 anton 2043: <res> <> ABORT" CROSS: Cannot immediate a unresolved word"
2044: <imm> ^imm @ ! ;
1.105 jwilke 2045: : restrict restrict-mask flag! ;
1.52 jwilke 2046:
1.54 pazsan 2047: : isdoer
2048: \G define a forth word as doer, this makes obviously only sence on
2049: \G forth processors such as the PSC1000
2050: <do:> last-header-ghost @ >magic ! ;
1.1 anton 2051: >CROSS
2052:
2053: \ Target Header Creation 01nov92py
2054:
1.103 jwilke 2055: : ht-lstring, ( addr count -- )
1.102 jwilke 2056: dup T , H bounds ?DO I c@ T c, H LOOP ;
2057:
1.103 jwilke 2058: >TARGET
1.139 jwilke 2059: X has? f83headerstring [IF]
2060: : name, ( "name" -- ) bl word count ht-string, X cfalign ;
2061: [ELSE]
1.103 jwilke 2062: : name, ( "name" -- ) bl word count ht-lstring, X cfalign ;
1.139 jwilke 2063: [THEN]
1.1 anton 2064: : view, ( -- ) ( dummy ) ;
1.52 jwilke 2065: >CROSS
1.1 anton 2066:
1.25 pazsan 2067: \ Target Document Creation (goes to crossdoc.fd) 05jul95py
2068:
1.55 pazsan 2069: s" ./doc/crossdoc.fd" r/w create-file throw value doc-file-id
1.25 pazsan 2070: \ contains the file-id of the documentation file
2071:
1.40 pazsan 2072: : T-\G ( -- )
1.25 pazsan 2073: source >in @ /string doc-file-id write-line throw
1.40 pazsan 2074: postpone \ ;
1.25 pazsan 2075:
1.39 pazsan 2076: Variable to-doc to-doc on
1.25 pazsan 2077:
2078: : cross-doc-entry ( -- )
2079: to-doc @ tlast @ 0<> and \ not an anonymous (i.e. noname) header
2080: IF
2081: s" " doc-file-id write-line throw
2082: s" make-doc " doc-file-id write-file throw
1.102 jwilke 2083:
1.105 jwilke 2084: Last-Header-Ghost @ >ghostname doc-file-id write-file throw
1.25 pazsan 2085: >in @
2086: [char] ( parse 2drop
2087: [char] ) parse doc-file-id write-file throw
2088: s" )" doc-file-id write-file throw
2089: [char] \ parse 2drop
1.40 pazsan 2090: T-\G
1.25 pazsan 2091: >in !
1.39 pazsan 2092: THEN ;
1.25 pazsan 2093:
1.28 pazsan 2094: \ Target TAGS creation
2095:
1.39 pazsan 2096: s" kernel.TAGS" r/w create-file throw value tag-file-id
1.116 pazsan 2097: s" kernel.tags" r/w create-file throw value vi-tag-file-id
1.28 pazsan 2098: \ contains the file-id of the tags file
2099:
1.137 anton 2100: Create tag-beg 1 c, 7F c,
2101: Create tag-end 1 c, 01 c,
1.28 pazsan 2102: Create tag-bof 1 c, 0C c,
1.116 pazsan 2103: Create tag-tab 1 c, 09 c,
1.28 pazsan 2104:
2105: 2variable last-loadfilename 0 0 last-loadfilename 2!
2106:
2107: : put-load-file-name ( -- )
1.77 jwilke 2108: sourcefilename last-loadfilename 2@ d<>
1.28 pazsan 2109: IF
2110: tag-bof count tag-file-id write-line throw
1.31 anton 2111: sourcefilename 2dup
1.28 pazsan 2112: tag-file-id write-file throw
2113: last-loadfilename 2!
2114: s" ,0" tag-file-id write-line throw
2115: THEN ;
2116:
1.116 pazsan 2117: : cross-gnu-tag-entry ( -- )
1.28 pazsan 2118: tlast @ 0<> \ not an anonymous (i.e. noname) header
2119: IF
2120: put-load-file-name
2121: source >in @ min tag-file-id write-file throw
2122: tag-beg count tag-file-id write-file throw
1.116 pazsan 2123: Last-Header-Ghost @ >ghostname tag-file-id write-file throw
1.28 pazsan 2124: tag-end count tag-file-id write-file throw
1.31 anton 2125: base @ decimal sourceline# 0 <# #s #> tag-file-id write-file throw
1.28 pazsan 2126: \ >in @ 0 <# #s [char] , hold #> tag-file-id write-line throw
2127: s" ,0" tag-file-id write-line throw
2128: base !
2129: THEN ;
1.116 pazsan 2130:
2131: : cross-vi-tag-entry ( -- )
2132: tlast @ 0<> \ not an anonymous (i.e. noname) header
2133: IF
2134: sourcefilename vi-tag-file-id write-file throw
2135: tag-tab count vi-tag-file-id write-file throw
2136: Last-Header-Ghost @ >ghostname vi-tag-file-id write-file throw
2137: tag-tab count vi-tag-file-id write-file throw
2138: s" /^" vi-tag-file-id write-file throw
2139: source vi-tag-file-id write-file throw
2140: s" $/" vi-tag-file-id write-line throw
2141: THEN ;
2142:
2143: : cross-tag-entry ( -- )
2144: cross-gnu-tag-entry
2145: cross-vi-tag-entry ;
1.28 pazsan 2146:
1.43 pazsan 2147: \ Check for words
2148:
2149: Defer skip? ' false IS skip?
2150:
1.103 jwilke 2151: : skipdef ( "name" -- )
1.79 jwilke 2152: \G skip definition of an undefined word in undef-words and
2153: \G all-words mode
1.103 jwilke 2154: Ghost dup forward?
1.75 jwilke 2155: IF >magic <skip> swap !
2156: ELSE drop THEN ;
2157:
1.103 jwilke 2158: : tdefined? ( "name" -- flag )
2159: Ghost undefined? 0= ;
1.75 jwilke 2160:
1.103 jwilke 2161: : defined2? ( "name" -- flag )
1.75 jwilke 2162: \G return true for anything else than forward, even for <skip>
2163: \G that's what we want
1.103 jwilke 2164: Ghost forward? 0= ;
1.43 pazsan 2165:
1.103 jwilke 2166: : forced? ( "name" -- flag )
1.79 jwilke 2167: \G return ture if it is a foreced skip with defskip
1.103 jwilke 2168: Ghost >magic @ <skip> = ;
1.79 jwilke 2169:
1.43 pazsan 2170: : needed? ( -- flag ) \ name
1.48 anton 2171: \G returns a false flag when
2172: \G a word is not defined
2173: \G a forward reference exists
2174: \G so the definition is not skipped!
2175: bl word gfind
1.75 jwilke 2176: IF dup undefined?
1.48 anton 2177: nip
2178: 0=
2179: ELSE drop true THEN ;
1.43 pazsan 2180:
1.139 jwilke 2181: : doer? ( "name" -- 0 | addr ) \ name
2182: Ghost dup >magic @ <do:> =
2183: IF >link @ ELSE drop 0 THEN ;
1.44 pazsan 2184:
1.43 pazsan 2185: : skip-defs ( -- )
2186: BEGIN refill WHILE source -trailing nip 0= UNTIL THEN ;
2187:
1.28 pazsan 2188: \ Target header creation
2189:
1.54 pazsan 2190: Variable NoHeaderFlag
2191: NoHeaderFlag off
1.1 anton 2192:
1.54 pazsan 2193: : 0.r ( n1 n2 -- )
2194: base @ >r hex
2195: 0 swap <# 0 ?DO # LOOP #> type
2196: r> base ! ;
1.84 jwilke 2197:
2198: : .sym ( adr len -- )
2199: \G escapes / and \ to produce sed output
1.52 jwilke 2200: bounds
2201: DO I c@ dup
1.77 jwilke 2202: CASE [char] / OF drop ." \/" ENDOF
2203: [char] \ OF drop ." \\" ENDOF
1.52 jwilke 2204: dup OF emit ENDOF
2205: ENDCASE
1.54 pazsan 2206: LOOP ;
1.52 jwilke 2207:
1.147 ! pazsan 2208: Defer setup-execution-semantics ' noop IS setup-execution-semantics
1.103 jwilke 2209: 0 Value lastghost
2210:
2211: : (THeader ( "name" -- ghost )
1.54 pazsan 2212: \ >in @ bl word count type 2 spaces >in !
2213: \ wordheaders will always be compiled to rom
2214: switchrom
2215: \ build header in target
2216: NoHeaderFlag @
2217: IF NoHeaderFlag off
2218: ELSE
2219: T align H view,
1.78 jwilke 2220: tlast @ dup 0> IF tcell - THEN T A, H there tlast !
1.54 pazsan 2221: 1 headers-named +! \ Statistic
2222: >in @ T name, H >in !
2223: THEN
2224: T cfalign here H tlastcfa !
1.84 jwilke 2225: \ Old Symbol table sed-script
1.54 pazsan 2226: \ >in @ cr ." sym:s/CFA=" there 4 0.r ." /" bl word count .sym ." /g" cr >in !
1.103 jwilke 2227: HeaderGhost
1.84 jwilke 2228: \ output symbol table to extra file
1.123 jwilke 2229: dup >ghostname there symentry
1.103 jwilke 2230: dup Last-Header-Ghost ! dup to lastghost
1.54 pazsan 2231: dup >magic ^imm ! \ a pointer for immediate
1.105 jwilke 2232: alias-mask flag!
1.103 jwilke 2233: cross-doc-entry cross-tag-entry
2234: setup-execution-semantics
2235: ;
1.1 anton 2236:
1.52 jwilke 2237: \ this is the resolver information from ":"
2238: \ resolving is done by ";"
1.103 jwilke 2239: Variable ;Resolve 1 cells allot
2240:
2241: : hereresolve ( ghost -- )
2242: there resolve 0 ;Resolve ! ;
1.1 anton 2243:
1.11 pazsan 2244: : Theader ( "name" -- ghost )
1.103 jwilke 2245: (THeader dup hereresolve ;
2246:
2247: Variable aprim-nr -20 aprim-nr !
2248:
2249: : copy-execution-semantics ( ghost-from ghost-dest -- )
2250: >r
2251: dup >exec @ r@ >exec !
1.117 pazsan 2252: dup >comp @ r@ >comp !
1.103 jwilke 2253: dup >exec2 @ r@ >exec2 !
2254: dup >exec-compile @ r@ >exec-compile !
2255: dup >ghost-xt @ r@ >ghost-xt !
2256: dup >created @ r@ >created !
2257: rdrop drop ;
1.1 anton 2258:
2259: >TARGET
1.103 jwilke 2260:
1.1 anton 2261: : Alias ( cfa -- ) \ name
1.103 jwilke 2262: >in @ skip? IF 2drop EXIT THEN >in !
2263: (THeader ( S xt ghost )
1.105 jwilke 2264: 2dup swap xt>ghost swap copy-execution-semantics
2265: over resolve T A, H alias-mask flag! ;
1.103 jwilke 2266:
2267: Variable last-prim-ghost
2268: 0 last-prim-ghost !
2269:
2270: : asmprimname, ( ghost -- : name )
2271: dup last-prim-ghost !
2272: >r
2273: here bl word count string, r@ >asm-name !
2274: aprim-nr @ r> >asm-dummyaddr ! ;
2275:
2276: Defer setup-prim-semantics
2277:
1.112 jwilke 2278: : mapprim ( "forthname" "asmlabel" -- )
1.103 jwilke 2279: THeader -1 aprim-nr +! aprim-nr @ T A, H
2280: asmprimname,
2281: setup-prim-semantics ;
2282:
1.112 jwilke 2283: : mapprim: ( "forthname" "asmlabel" -- )
1.103 jwilke 2284: -1 aprim-nr +! aprim-nr @
1.122 jwilke 2285: Ghost tuck swap resolve-noforwards <do:> swap tuck >magic !
1.103 jwilke 2286: asmprimname, ;
2287:
1.119 pazsan 2288: : Doer: ( cfa -- ) \ name
1.103 jwilke 2289: >in @ skip? IF 2drop EXIT THEN >in !
2290: dup 0< s" prims" T $has? H 0= and
2291: IF
2292: .sourcepos ." needs doer: " >in @ bl word count type >in ! cr
2293: THEN
1.119 pazsan 2294: Ghost
1.122 jwilke 2295: tuck swap resolve-noforwards <do:> swap >magic ! ;
1.64 pazsan 2296:
2297: Variable prim#
2298: : first-primitive ( n -- ) prim# ! ;
1.132 pazsan 2299: : group 0 word drop prim# @ 1- -$200 and prim# ! ;
1.140 pazsan 2300: : groupadd ( n -- ) drop ;
1.64 pazsan 2301: : Primitive ( -- ) \ name
1.117 pazsan 2302: >in @ skip? IF drop EXIT THEN >in !
2303: s" prims" T $has? H 0=
1.103 jwilke 2304: IF
2305: .sourcepos ." needs prim: " >in @ bl word count type >in ! cr
2306: THEN
2307: prim# @ (THeader ( S xt ghost )
1.121 jwilke 2308: ['] prim-resolved over >comp !
1.105 jwilke 2309: dup >ghost-flags <primitive> set-flag
1.122 jwilke 2310: over resolve-noforwards T A, H alias-mask flag!
1.103 jwilke 2311: -1 prim# +! ;
1.1 anton 2312: >CROSS
2313:
2314: \ Conditionals and Comments 11may93jaw
2315:
1.103 jwilke 2316: \G saves the existing cond action, this is used for redefining in
2317: \G instant
2318: Variable cond-xt-old
2319:
2320: : cond-target ( -- )
2321: \G Compiles semantic of redefined cond into new one
2322: cond-xt-old @ compile, ; immediate restrict
2323:
1.1 anton 2324: : ;Cond
2325: postpone ;
2326: swap ! ; immediate
2327:
1.103 jwilke 2328: : Cond: ( "name" -- )
2329: \g defines a conditional or another word that must
2330: \g be executed directly while compiling
2331: \g these words have no interpretative semantics by default
2332: Ghost
2333: >exec-compile
2334: dup @ cond-xt-old !
1.1 anton 2335: :NONAME ;
2336:
2337:
2338: : Comment ( -- )
1.103 jwilke 2339: >in @ Ghost swap >in ! ' swap
2340: 2dup >exec-compile ! >exec ! ;
1.1 anton 2341:
2342: Comment ( Comment \
2343:
2344: \ compile 10may93jaw
2345:
1.103 jwilke 2346: : compile ( "name" -- ) \ name
1.115 jwilke 2347: findghost
1.103 jwilke 2348: dup >exec-compile @ ?dup
2349: IF nip compile,
2350: ELSE postpone literal postpone gexecute THEN ; immediate restrict
2351:
1.52 jwilke 2352: >TARGET
2353:
1.105 jwilke 2354: : ' ( -- xt )
2355: \G returns the target-cfa of a ghost
1.52 jwilke 2356: bl word gfind 0= ABORT" CROSS: Ghost don't exists"
1.105 jwilke 2357: g>xt ;
1.52 jwilke 2358:
1.103 jwilke 2359: \ FIXME: this works for the current use cases, but is not
2360: \ in all cases correct ;-)
2361: : comp' X ' 0 ;
2362:
1.52 jwilke 2363: Cond: ['] T ' H alit, ;Cond
2364:
2365: >CROSS
2366:
2367: : [T']
2368: \ returns the target-cfa of a ghost, or compiles it as literal
1.115 jwilke 2369: postpone [G']
2370: state @ IF postpone g>xt ELSE g>xt THEN ; immediate
1.42 pazsan 2371:
1.52 jwilke 2372: \ \ threading modell 13dec92py
2373: \ modularized 14jun97jaw
2374:
1.106 jwilke 2375: T 2 cells H Value xt>body
1.52 jwilke 2376:
1.103 jwilke 2377: : (>body) ( cfa -- pfa )
1.105 jwilke 2378: xt>body + ; ' (>body) plugin-of t>body
2379:
2380: : fillcfa ( usedcells -- )
1.106 jwilke 2381: T cells H xt>body swap -
1.105 jwilke 2382: assert1( dup 0 >= )
2383: 0 ?DO 0 X c, tchar +LOOP ;
1.52 jwilke 2384:
1.103 jwilke 2385: : (doer,) ( ghost -- )
1.105 jwilke 2386: addr, 1 fillcfa ; ' (doer,) plugin-of doer,
1.52 jwilke 2387:
1.105 jwilke 2388: : (docol,) ( -- ) [G'] :docol (doer,) ; ' (docol,) plugin-of docol,
1.52 jwilke 2389:
1.121 jwilke 2390: ' NOOP plugin-of ca>native
2391:
1.52 jwilke 2392: : (doprim,) ( -- )
1.105 jwilke 2393: there xt>body + ca>native T a, H 1 fillcfa ; ' (doprim,) plugin-of doprim,
1.52 jwilke 2394:
2395: : (doeshandler,) ( -- )
1.119 pazsan 2396: T cfalign H [G'] :doesjump addr, T 0 , H ; ' (doeshandler,) plugin-of doeshandler,
1.52 jwilke 2397:
2398: : (dodoes,) ( does-action-ghost -- )
1.119 pazsan 2399: ]comp [G'] :dodoes addr, comp[
1.52 jwilke 2400: addr,
1.103 jwilke 2401: \ the relocator in the c engine, does not like the
2402: \ does-address to marked for relocation
2403: [ T e? ec H 0= [IF] ] T here H tcell - reloff [ [THEN] ]
1.105 jwilke 2404: 2 fillcfa ; ' (dodoes,) plugin-of dodoes,
1.52 jwilke 2405:
1.107 jwilke 2406: : (dlit,) ( n -- ) compile lit td, ; ' (dlit,) plugin-of dlit,
2407:
2408: : (lit,) ( n -- ) s>d dlit, ; ' (lit,) plugin-of lit,
1.52 jwilke 2409:
1.67 jwilke 2410: \ if we dont produce relocatable code alit, defaults to lit, jaw
1.84 jwilke 2411: \ this is just for convenience, so we don't have to define alit,
2412: \ seperately for embedded systems....
2413: T has? relocate H
1.67 jwilke 2414: [IF]
1.105 jwilke 2415: : (alit,) ( n -- ) compile lit T a, H ; ' (alit,) plugin-of alit,
1.67 jwilke 2416: [ELSE]
1.105 jwilke 2417: : (alit,) ( n -- ) lit, ; ' (alit,) plugin-of alit,
1.67 jwilke 2418: [THEN]
1.52 jwilke 2419:
1.105 jwilke 2420: : (fini,) compile ;s ; ' (fini,) plugin-of fini,
1.42 pazsan 2421:
1.43 pazsan 2422: [IFUNDEF] (code)
2423: Defer (code)
2424: Defer (end-code)
2425: [THEN]
2426:
1.1 anton 2427: >TARGET
1.43 pazsan 2428: : Code
1.52 jwilke 2429: defempty?
1.121 jwilke 2430: (THeader ( ghost )
2431: ['] prim-resolved over >comp !
1.122 jwilke 2432: there resolve-noforwards
1.121 jwilke 2433:
1.53 jwilke 2434: [ T e? prims H 0= [IF] T e? ITC H [ELSE] true [THEN] ] [IF]
1.52 jwilke 2435: doprim,
1.48 anton 2436: [THEN]
2437: depth (code) ;
1.43 pazsan 2438:
1.121 jwilke 2439: \ FIXME : no-compile -1 ABORT" this ghost is not for compilation" ;
2440:
1.43 pazsan 2441: : Code:
1.52 jwilke 2442: defempty?
1.121 jwilke 2443: Ghost >r
1.123 jwilke 2444: r@ >ghostname there symentry
1.122 jwilke 2445: r@ there ca>native resolve-noforwards
1.121 jwilke 2446: <do:> r@ >magic !
2447: r> drop
1.43 pazsan 2448: depth (code) ;
2449:
2450: : end-code
1.52 jwilke 2451: (end-code)
1.43 pazsan 2452: depth ?dup IF 1- <> ABORT" CROSS: Stack changed"
2453: ELSE true ABORT" CROSS: Stack empty" THEN
1.52 jwilke 2454: ;
1.14 anton 2455:
1.1 anton 2456: >CROSS
1.52 jwilke 2457:
1.1 anton 2458: \ tLiteral 12dec92py
2459:
2460: >TARGET
1.40 pazsan 2461: Cond: \G T-\G ;Cond
2462:
1.105 jwilke 2463: Cond: Literal ( n -- ) lit, ;Cond
1.103 jwilke 2464: Cond: ALiteral ( n -- ) alit, ;Cond
1.1 anton 2465:
2466: : Char ( "<char>" -- ) bl word char+ c@ ;
1.103 jwilke 2467: Cond: [Char] ( "<char>" -- ) Char lit, ;Cond
2468:
1.139 jwilke 2469: : (x#) ( adr len base -- )
2470: base @ >r base ! 0 0 name >number 2drop drop r> base ! ;
2471:
2472: : d# $0a (x#) ;
2473: : h# $010 (x#) ;
2474:
2475: Cond: d# $0a (x#) lit, ;Cond
2476: Cond: h# $010 (x#) lit, ;Cond
2477:
1.104 jwilke 2478: tchar 1 = [IF]
1.110 jwilke 2479: Cond: chars ;Cond
1.104 jwilke 2480: [THEN]
1.1 anton 2481:
1.43 pazsan 2482: \ some special literals 27jan97jaw
2483:
2484: Cond: MAXU
1.125 jwilke 2485: -1 s>d dlit,
1.52 jwilke 2486: ;Cond
1.43 pazsan 2487:
1.125 jwilke 2488: tcell 2 = tcell 4 = or tcell 8 = or 0=
2489: [IF]
2490: .( Warning: MINI and MAXI may not work with this host) cr
2491: [THEN]
2492:
1.43 pazsan 2493: Cond: MINI
1.125 jwilke 2494: tcell 2 = IF $8000 ELSE $80000000 THEN 0
2495: tcell 8 = IF swap THEN dlit,
1.52 jwilke 2496: ;Cond
1.43 pazsan 2497:
2498: Cond: MAXI
1.125 jwilke 2499: tcell 2 = IF $7fff ELSE $7fffffff THEN 0
2500: tcell 8 = IF drop -1 swap THEN dlit,
2501: ;Cond
1.43 pazsan 2502:
1.1 anton 2503: >CROSS
1.115 jwilke 2504:
1.1 anton 2505: \ Target compiling loop 12dec92py
2506: \ ">tib trick thrown out 10may93jaw
2507: \ number? defined at the top 11may93jaw
1.77 jwilke 2508: \ replaced >in by save-input
2509:
2510: : discard 0 ?DO drop LOOP ;
1.1 anton 2511:
2512: \ compiled word might leave items on stack!
1.77 jwilke 2513: : tcom ( x1 .. xn n name -- )
2514: \ dup count type space
1.103 jwilke 2515: gfind
2516: IF >r ( discard saved input state ) discard r>
2517: dup >exec-compile @ ?dup
2518: IF nip execute-exec-compile ELSE gexecute THEN
1.77 jwilke 2519: EXIT
2520: THEN
2521: number? dup
2522: IF 0> IF swap lit, THEN lit, discard
1.103 jwilke 2523: ELSE 2drop restore-input throw Ghost gexecute THEN ;
1.1 anton 2524:
2525: \ : ; DOES> 13dec92py
2526: \ ] 9may93py/jaw
2527:
1.115 jwilke 2528: >CROSS
2529:
1.105 jwilke 2530: : compiling-state ( -- )
2531: \G set states to compililng
1.54 pazsan 2532: Compiling comp-state !
1.103 jwilke 2533: \ if we have a state in target, change it with the compile state
1.105 jwilke 2534: [G'] state dup undefined? 0=
2535: IF >ghost-xt @ execute X on ELSE drop THEN ;
2536:
2537: : interpreting-state ( -- )
2538: \G set states to interpreting
2539: \ if target has a state variable, change it according to our state
2540: [G'] state dup undefined? 0=
2541: IF >ghost-xt @ execute X off ELSE drop THEN
2542: Interpreting comp-state ! ;
1.115 jwilke 2543:
2544: >TARGET
1.105 jwilke 2545:
2546: : ]
2547: compiling-state
1.1 anton 2548: BEGIN
1.77 jwilke 2549: BEGIN save-input bl word
2550: dup c@ 0= WHILE drop discard refill 0=
1.1 anton 2551: ABORT" CROSS: End of file while target compiling"
2552: REPEAT
2553: tcom
1.103 jwilke 2554: compiling? 0=
1.1 anton 2555: UNTIL ;
2556:
2557: \ by the way: defining a second interpreter (a compiler-)loop
2558: \ is not allowed if a system should be ans conform
2559:
1.110 jwilke 2560: : (:) ( ghost -- )
2561: \ common factor of : and :noname. Prepare ;Resolve and start definition
2562: ;Resolve ! there ;Resolve cell+ !
2563: docol, ]comp colon-start depth T ] H ;
2564:
1.1 anton 2565: : : ( -- colon-sys ) \ Name
1.52 jwilke 2566: defempty?
2567: constflag off \ don't let this flag work over colon defs
2568: \ just to go sure nothing unwanted happens
1.43 pazsan 2569: >in @ skip? IF drop skip-defs EXIT THEN >in !
1.110 jwilke 2570: (THeader (:) ;
1.1 anton 2571:
1.37 pazsan 2572: : :noname ( -- colon-sys )
1.110 jwilke 2573: X cfalign there
2574: \ define a nameless ghost
2575: here ghostheader dup last-header-ghost ! dup to lastghost
2576: (:) ;
1.37 pazsan 2577:
1.103 jwilke 2578: Cond: EXIT ( -- ) compile ;S ;Cond
1.6 anton 2579:
2580: Cond: ?EXIT ( -- ) 1 abort" CROSS: using ?exit" ;Cond
1.2 pazsan 2581:
1.52 jwilke 2582: >CROSS
2583: : LastXT ;Resolve @ 0= abort" CROSS: no definition for LastXT"
2584: ;Resolve cell+ @ ;
2585:
2586: >TARGET
2587:
1.103 jwilke 2588: Cond: recurse ( -- ) Last-Header-Ghost @ gexecute ;Cond
1.52 jwilke 2589:
1.103 jwilke 2590: Cond: ; ( -- )
1.105 jwilke 2591: depth ?dup
2592: IF 1- <> ABORT" CROSS: Stack changed"
2593: ELSE true ABORT" CROSS: Stack empty"
2594: THEN
2595: colon-end
2596: fini,
2597: comp[
2598: ;Resolve @
1.118 pazsan 2599: IF ['] colon-resolved ;Resolve @ >comp !
2600: ;Resolve @ ;Resolve cell+ @ resolve
1.105 jwilke 2601: THEN
2602: interpreting-state
2603: ;Cond
2604:
2605: Cond: [ ( -- ) interpreting-state ;Cond
1.1 anton 2606:
2607: >CROSS
1.54 pazsan 2608:
1.117 pazsan 2609: 0 Value created
1.54 pazsan 2610:
1.52 jwilke 2611: : !does ( does-action -- )
1.54 pazsan 2612: tlastcfa @ [G'] :dovar killref
1.117 pazsan 2613: >space here >r ghostheader space>
1.121 jwilke 2614: ['] colon-resolved r@ >comp !
1.117 pazsan 2615: r@ created >do:ghost ! r@ swap resolve
2616: r> tlastcfa @ >tempdp dodoes, tempdp> ;
1.103 jwilke 2617:
1.147 ! pazsan 2618: Defer instant-interpret-does>-hook ' noop IS instant-interpret-does>-hook
1.103 jwilke 2619:
1.134 pazsan 2620: T has? peephole H [IF]
1.118 pazsan 2621: : does-resolved ( ghost -- )
2622: compile does-exec g>xt T a, H ;
1.134 pazsan 2623: [ELSE]
2624: : does-resolved ( ghost -- )
2625: g>xt T a, H ;
2626: [THEN]
1.118 pazsan 2627:
1.103 jwilke 2628: : resolve-does>-part ( -- )
2629: \ resolve words made by builders
1.105 jwilke 2630: Last-Header-Ghost @ >do:ghost @ ?dup
1.117 pazsan 2631: IF there resolve THEN ;
1.103 jwilke 2632:
1.1 anton 2633: >TARGET
1.103 jwilke 2634: Cond: DOES>
1.146 anton 2635: T here 5 cells H + alit, compile (does>2) compile ;s
1.144 pazsan 2636: doeshandler, resolve-does>-part
1.1 anton 2637: ;Cond
1.103 jwilke 2638:
1.118 pazsan 2639: : DOES>
2640: ['] does-resolved created >comp !
2641: switchrom doeshandler, T here H !does
2642: instant-interpret-does>-hook
2643: depth T ] H ;
1.1 anton 2644:
2645: >CROSS
1.108 jwilke 2646: \ Creation 01nov92py
1.1 anton 2647:
2648: \ Builder 11may93jaw
2649:
1.108 jwilke 2650: 0 Value built
2651:
1.105 jwilke 2652: : Builder ( Create-xt do-ghost "name" -- )
1.52 jwilke 2653: \ builds up a builder in current vocabulary
2654: \ create-xt is executed when word is interpreted
1.106 jwilke 2655: \ do:-xt is executed when the created word from builder is executed
1.105 jwilke 2656: \ for do:-xt an additional entry after the normal ghost-entrys is used
1.52 jwilke 2657:
1.109 jwilke 2658: ghost to built
1.108 jwilke 2659: built >created @ 0= IF
2660: built >created on
2661: THEN ;
1.1 anton 2662:
1.52 jwilke 2663: : gdoes, ( ghost -- )
2664: \ makes the codefield for a word that is built
1.103 jwilke 2665: >do:ghost @ dup undefined? 0=
1.52 jwilke 2666: IF
1.42 pazsan 2667: dup >magic @ <do:> =
1.54 pazsan 2668: IF doer,
2669: ELSE dodoes,
2670: THEN
2671: EXIT
1.52 jwilke 2672: THEN
2673: \ compile :dodoes gexecute
2674: \ T here H tcell - reloff
1.54 pazsan 2675: 2 refered
2676: 0 fillcfa
2677: ;
1.1 anton 2678:
1.103 jwilke 2679: : takeover-x-semantics ( S constructor-ghost new-ghost -- )
1.117 pazsan 2680: \g stores execution semantic and compilation semantic in the built word
2681: swap >do:ghost @ 2dup swap >do:ghost !
1.110 jwilke 2682: \ we use the >exec2 field for the semantic of a created word,
2683: \ using exec or exec2 makes no difference for normal cross-compilation
2684: \ but is usefull for instant where the exec field is already
2685: \ defined (e.g. Vocabularies)
1.105 jwilke 2686: 2dup >exec @ swap >exec2 !
2687: >comp @ swap >comp ! ;
1.103 jwilke 2688:
1.118 pazsan 2689: 0 Value createhere
2690:
2691: : create-resolve ( -- )
2692: created createhere resolve 0 ;Resolve ! ;
2693: : create-resolve-immediate ( -- )
2694: create-resolve T immediate H ;
2695:
1.52 jwilke 2696: : TCreate ( <name> -- )
2697: create-forward-warn
2698: IF ['] reswarn-forward IS resolve-warning THEN
1.103 jwilke 2699: executed-ghost @ (Theader
1.117 pazsan 2700: dup >created on dup to created
1.118 pazsan 2701: 2dup takeover-x-semantics
2702: there to createhere drop gdoes, ;
1.52 jwilke 2703:
2704: : RTCreate ( <name> -- )
2705: \ creates a new word with code-field in ram
2706: create-forward-warn
2707: IF ['] reswarn-forward IS resolve-warning THEN
2708: \ make Alias
1.103 jwilke 2709: executed-ghost @ (THeader
1.118 pazsan 2710: dup >created on dup to created
1.103 jwilke 2711: 2dup takeover-x-semantics
1.105 jwilke 2712: there 0 T a, H alias-mask flag!
1.103 jwilke 2713: \ store poiter to code-field
1.52 jwilke 2714: switchram T cfalign H
2715: there swap T ! H
2716: there tlastcfa !
1.118 pazsan 2717: there to createhere drop gdoes, ;
1.1 anton 2718:
2719: : Build: ( -- [xt] [colon-sys] )
1.52 jwilke 2720: :noname postpone TCreate ;
2721:
2722: : BuildSmart: ( -- [xt] [colon-sys] )
2723: :noname
1.53 jwilke 2724: [ T has? rom H [IF] ]
1.52 jwilke 2725: postpone RTCreate
2726: [ [ELSE] ]
2727: postpone TCreate
2728: [ [THEN] ] ;
1.1 anton 2729:
1.108 jwilke 2730: : ;Build
1.118 pazsan 2731: postpone create-resolve postpone ; built >exec ! ; immediate
2732:
2733: : ;Build-immediate
2734: postpone create-resolve-immediate
2735: postpone ; built >exec ! ; immediate
1.108 jwilke 2736:
1.1 anton 2737: : gdoes> ( ghost -- addr flag )
1.110 jwilke 2738: executed-ghost @ g>body ;
1.1 anton 2739:
2740: \ DO: ;DO 11may93jaw
2741:
1.108 jwilke 2742: : do:ghost! ( ghost -- ) built >do:ghost ! ;
2743: : doexec! ( xt -- ) built >do:ghost @ >exec ! ;
2744:
2745: : DO: ( -- [xt] [colon-sys] )
2746: here ghostheader do:ghost!
1.110 jwilke 2747: :noname postpone gdoes> ;
1.1 anton 2748:
1.108 jwilke 2749: : by: ( -- [xt] [colon-sys] ) \ name
2750: Ghost do:ghost!
1.110 jwilke 2751: :noname postpone gdoes> ;
1.42 pazsan 2752:
1.108 jwilke 2753: : ;DO ( [xt] [colon-sys] -- )
2754: postpone ; doexec! ; immediate
1.1 anton 2755:
1.109 jwilke 2756: : by ( -- ) \ Name
1.108 jwilke 2757: Ghost >do:ghost @ do:ghost! ;
1.107 jwilke 2758:
1.109 jwilke 2759: : compile: ( --[xt] [colon-sys] )
1.107 jwilke 2760: \G defines a compile time action for created words
2761: \G by this builder
2762: :noname ;
2763:
1.109 jwilke 2764: : ;compile ( [xt] [colon-sys] -- )
2765: postpone ; built >do:ghost @ >comp ! ; immediate
1.107 jwilke 2766:
1.1 anton 2767: \ Variables and Constants 05dec92py
2768:
1.108 jwilke 2769: Builder (Constant)
2770: Build: ( n -- ) ;Build
1.103 jwilke 2771: by: :docon ( target-body-addr -- n ) T @ H ;DO
1.52 jwilke 2772:
1.108 jwilke 2773: Builder Constant
2774: Build: ( n -- ) T , H ;Build
1.52 jwilke 2775: by (Constant)
2776:
1.108 jwilke 2777: Builder AConstant
2778: Build: ( n -- ) T A, H ;Build
1.52 jwilke 2779: by (Constant)
2780:
1.108 jwilke 2781: Builder 2Constant
2782: Build: ( d -- ) T , , H ;Build
1.52 jwilke 2783: DO: ( ghost -- d ) T dup cell+ @ swap @ H ;DO
2784:
1.108 jwilke 2785: Builder Create
2786: BuildSmart: ;Build
1.103 jwilke 2787: by: :dovar ( target-body-addr -- addr ) ;DO
1.1 anton 2788:
1.108 jwilke 2789: Builder Variable
1.53 jwilke 2790: T has? rom H [IF]
1.108 jwilke 2791: Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 , H ( switchrom ) ;Build
1.52 jwilke 2792: by (Constant)
2793: [ELSE]
1.108 jwilke 2794: Build: T 0 , H ;Build
1.1 anton 2795: by Create
1.52 jwilke 2796: [THEN]
1.1 anton 2797:
1.108 jwilke 2798: Builder 2Variable
1.53 jwilke 2799: T has? rom H [IF]
1.108 jwilke 2800: Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 , 0 , H ( switchrom ) ;Build
1.54 pazsan 2801: by (Constant)
2802: [ELSE]
1.108 jwilke 2803: Build: T 0 , 0 , H ;Build
1.54 pazsan 2804: by Create
2805: [THEN]
2806:
1.108 jwilke 2807: Builder AVariable
1.54 pazsan 2808: T has? rom H [IF]
1.108 jwilke 2809: Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 A, H ( switchrom ) ;Build
1.52 jwilke 2810: by (Constant)
2811: [ELSE]
1.108 jwilke 2812: Build: T 0 A, H ;Build
1.1 anton 2813: by Create
1.52 jwilke 2814: [THEN]
1.1 anton 2815:
1.3 pazsan 2816: \ User variables 04may94py
2817:
1.139 jwilke 2818: : tup@ user-region >rstart @ ;
2819:
2820: \ Variable tup 0 tup !
2821: \ Variable tudp 0 tudp !
1.78 jwilke 2822:
1.3 pazsan 2823: : u, ( n -- udp )
1.139 jwilke 2824: current-region >r user-region activate
2825: X here swap X , tup@ -
2826: r> activate ;
1.78 jwilke 2827:
1.3 pazsan 2828: : au, ( n -- udp )
1.139 jwilke 2829: current-region >r user-region activate
2830: X here swap X a, tup@ -
2831: r> activate ;
2832:
2833: T has? no-userspace H [IF]
2834:
2835: : buildby
2836: ghost >exec @ built >exec ! ;
2837:
2838: Builder User
2839: buildby Variable
2840: by Variable
2841:
2842: Builder 2User
2843: buildby 2Variable
2844: by 2Variable
2845:
2846: Builder AUser
2847: buildby AVariable
2848: by AVariable
2849:
2850: [ELSE]
1.78 jwilke 2851:
1.108 jwilke 2852: Builder User
2853: Build: 0 u, X , ;Build
1.139 jwilke 2854: by: :douser ( ghost -- up-addr ) X @ tup@ + ;DO
1.1 anton 2855:
1.108 jwilke 2856: Builder 2User
2857: Build: 0 u, X , 0 u, drop ;Build
1.3 pazsan 2858: by User
1.1 anton 2859:
1.108 jwilke 2860: Builder AUser
2861: Build: 0 au, X , ;Build
1.3 pazsan 2862: by User
1.1 anton 2863:
1.139 jwilke 2864: [THEN]
2865:
1.108 jwilke 2866: Builder (Value)
2867: Build: ( n -- ) ;Build
2868: by: :docon ( target-body-addr -- n ) T @ H ;DO
2869:
1.1 anton 2870: Builder Value
1.108 jwilke 2871: BuildSmart: T , H ;Build
2872: by (Value)
1.1 anton 2873:
1.32 pazsan 2874: Builder AValue
1.108 jwilke 2875: BuildSmart: T A, H ;Build
2876: by (Value)
1.32 pazsan 2877:
1.103 jwilke 2878: Defer texecute
2879:
1.108 jwilke 2880: Builder Defer
2881: BuildSmart: ( -- ) [T'] noop T A, H ;Build
1.103 jwilke 2882: by: :dodefer ( ghost -- ) X @ texecute ;DO
1.37 pazsan 2883:
1.108 jwilke 2884: Builder interpret/compile:
1.118 pazsan 2885: Build: ( inter comp -- ) swap T A, A, H ;Build-immediate
1.37 pazsan 2886: DO: ( ghost -- ) ABORT" CROSS: Don't execute" ;DO
1.24 pazsan 2887:
2888: \ Sturctures 23feb95py
2889:
2890: : nalign ( addr1 n -- addr2 )
2891: \ addr2 is the aligned version of addr1 wrt the alignment size n
2892: 1- tuck + swap invert and ;
1.109 jwilke 2893:
1.24 pazsan 2894:
1.108 jwilke 2895: Builder (Field)
2896: Build: ;Build
1.44 pazsan 2897: by: :dofield T @ H + ;DO
2898:
1.108 jwilke 2899: Builder Field
1.51 anton 2900: Build: ( align1 offset1 align size "name" -- align2 offset2 )
2901: rot dup T , H ( align1 align size offset1 )
1.108 jwilke 2902: + >r nalign r> ;Build
1.44 pazsan 2903: by (Field)
1.24 pazsan 2904:
1.109 jwilke 2905: >TARGET
1.51 anton 2906: : struct T 1 chars 0 H ;
1.24 pazsan 2907: : end-struct T 2Constant H ;
2908:
1.52 jwilke 2909: : cell% ( n -- size align )
1.51 anton 2910: T 1 cells H dup ;
1.109 jwilke 2911: >CROSS
1.88 pazsan 2912:
1.105 jwilke 2913: \ Input-Methods 01py
1.103 jwilke 2914:
1.108 jwilke 2915: Builder input-method
2916: Build: ( m v -- m' v ) dup T , cell+ H ;Build
1.88 pazsan 2917: DO: abort" Not in cross mode" ;DO
2918:
1.108 jwilke 2919: Builder input-var
2920: Build: ( m v size -- m v' ) over T , H + ;Build
1.88 pazsan 2921: DO: abort" Not in cross mode" ;DO
1.24 pazsan 2922:
1.108 jwilke 2923: \ Peephole optimization 05sep01jaw
2924:
2925: \ this section defines different compilation
2926: \ actions for created words
2927: \ this will help the peephole optimizer
1.121 jwilke 2928: \ I (jaw) took this from bernds latest cross-compiler
1.108 jwilke 2929: \ changes but seperated it from the original
2930: \ Builder words. The final plan is to put this
2931: \ into a seperate file, together with the peephole
2932: \ optimizer for cross
2933:
2934:
2935: T has? peephole H [IF]
2936:
1.139 jwilke 2937: \ .( loading peephole optimization) cr
2938:
1.109 jwilke 2939: >CROSS
1.118 pazsan 2940:
1.109 jwilke 2941: : (callc) compile call T >body a, H ; ' (callc) plugin-of colon,
1.121 jwilke 2942: : (callcm) T here 0 a, 0 a, H ; ' (callcm) plugin-of colonmark,
1.118 pazsan 2943: : (call-res) >tempdp resolved gexecute tempdp> drop ;
2944: ' (call-res) plugin-of colon-resolve
1.121 jwilke 2945: : (pprim) dup 0< IF $4000 - ELSE
2946: cr ." wrong usage of (prim) "
2947: dup gdiscover IF .ghost ELSE . THEN cr -1 throw THEN
2948: T a, H ; ' (pprim) plugin-of prim,
1.109 jwilke 2949:
2950: \ if we want this, we have to spilt aconstant
2951: \ and constant!!
2952: \ Builder (Constant)
2953: \ compile: g>body X @ lit, ;compile
1.108 jwilke 2954:
2955: Builder (Constant)
1.118 pazsan 2956: compile: g>body compile lit@ T a, H ;compile
1.108 jwilke 2957:
2958: Builder (Value)
1.118 pazsan 2959: compile: g>body compile lit@ T a, H ;compile
1.108 jwilke 2960:
2961: \ this changes also Variable, AVariable and 2Variable
2962: Builder Create
1.117 pazsan 2963: compile: g>body alit, ;compile
1.108 jwilke 2964:
2965: Builder User
2966: compile: g>body compile useraddr T @ , H ;compile
2967:
2968: Builder Defer
1.118 pazsan 2969: compile: g>body compile lit-perform T A, H ;compile
1.102 jwilke 2970:
1.108 jwilke 2971: Builder (Field)
1.118 pazsan 2972: compile: g>body T @ H compile lit+ T , H ;compile
1.117 pazsan 2973:
2974: Builder interpret/compile:
2975: compile: does-resolved ;compile
2976:
2977: Builder input-method
2978: compile: does-resolved ;compile
2979:
2980: Builder input-var
2981: compile: does-resolved ;compile
1.102 jwilke 2982:
1.108 jwilke 2983: [THEN]
1.103 jwilke 2984:
1.52 jwilke 2985: \ structural conditionals 17dec92py
2986:
2987: >CROSS
1.103 jwilke 2988: : (ncontrols?) ( n -- )
2989: \g We expect n open control structures
2990: depth over u<=
2991: ABORT" CROSS: unstructured, stack underflow"
2992: 0 ?DO I pick 0=
2993: ABORT" CROSS: unstructured"
2994: LOOP ; ' (ncontrols?) plugin-of ncontrols?
2995:
2996: \ : ?struc ( flag -- ) ABORT" CROSS: unstructured " ;
2997: \ : sys? ( sys -- sys ) dup 0= ?struc ;
2998:
1.52 jwilke 2999: : >mark ( -- sys ) T here ( dup ." M" hex. ) 0 , H ;
3000:
1.133 pazsan 3001: X has? abranch [IF]
3002: : branchoffset ( src dest -- ) drop ;
3003: : offset, ( n -- ) X A, ;
3004: [ELSE]
3005: : branchoffset ( src dest -- ) - tchar / ; \ ?? jaw
3006: : offset, ( n -- ) X , ;
3007: [THEN]
1.52 jwilke 3008:
1.133 pazsan 3009: :noname compile branch X here branchoffset offset, ;
1.54 pazsan 3010: IS branch, ( target-addr -- )
1.133 pazsan 3011: :noname compile ?branch X here branchoffset offset, ;
1.54 pazsan 3012: IS ?branch, ( target-addr -- )
1.133 pazsan 3013: :noname compile branch T here 0 H offset, ;
1.54 pazsan 3014: IS branchmark, ( -- branchtoken )
1.133 pazsan 3015: :noname compile ?branch T here 0 H offset, ;
1.54 pazsan 3016: IS ?branchmark, ( -- branchtoken )
1.133 pazsan 3017: :noname T here 0 H offset, ;
1.54 pazsan 3018: IS ?domark, ( -- branchtoken )
1.78 jwilke 3019: :noname dup X @ ?struc X here over branchoffset swap X ! ;
1.54 pazsan 3020: IS branchtoresolve, ( branchtoken -- )
1.78 jwilke 3021: :noname branchto, X here ;
1.54 pazsan 3022: IS branchtomark, ( -- target-addr )
1.52 jwilke 3023:
3024: >TARGET
3025:
3026: \ Structural Conditionals 12dec92py
3027:
1.103 jwilke 3028: \ CLEANUP Cond: BUT sys? swap ;Cond
3029: \ CLEANUP Cond: YET sys? dup ;Cond
1.52 jwilke 3030:
3031: >CROSS
3032:
1.78 jwilke 3033: Variable tleavings 0 tleavings !
1.52 jwilke 3034:
1.129 jwilke 3035: : (done) ( do-addr -- )
3036: \G resolve branches of leave and ?leave and ?do
3037: \G do-addr is the address of the beginning of our
3038: \G loop so we can take care of nested loops
1.54 pazsan 3039: tleavings @
3040: BEGIN dup
3041: WHILE
3042: >r dup r@ cell+ @ \ address of branch
3043: u> 0= \ lower than DO?
3044: WHILE
3045: r@ 2 cells + @ \ branch token
3046: branchtoresolve,
3047: r@ @ r> free throw
3048: REPEAT r> THEN
3049: tleavings ! drop ;
3050:
1.53 jwilke 3051: >TARGET
3052:
1.103 jwilke 3053: \ What for? ANS? JAW Cond: DONE ( addr -- ) (done) ;Cond
1.53 jwilke 3054:
3055: >CROSS
1.54 pazsan 3056: : (leave) ( branchtoken -- )
1.53 jwilke 3057: 3 cells allocate throw >r
3058: T here H r@ cell+ !
3059: r@ 2 cells + !
3060: tleavings @ r@ !
3061: r> tleavings ! ;
3062: >TARGET
3063:
1.103 jwilke 3064: : (leave,) ( -- )
3065: branchmark, (leave) ; ' (leave,) plugin-of leave,
3066:
3067: : (?leave,) ( -- )
3068: compile 0= ?branchmark, (leave) ; ' (?leave,) plugin-of ?leave,
3069:
3070: Cond: LEAVE leave, ;Cond
3071: Cond: ?LEAVE ?leave, ;Cond
1.53 jwilke 3072:
1.54 pazsan 3073: >CROSS
3074: \ !!JW ToDo : Move to general tools section
3075:
3076: : to1 ( x1 x2 xn n -- addr )
1.103 jwilke 3077: \G packs n stack elements in am allocated memory region
1.54 pazsan 3078: dup dup 1+ cells allocate throw dup >r swap 1+
3079: 0 DO tuck ! cell+ LOOP
3080: drop r> ;
1.103 jwilke 3081:
1.54 pazsan 3082: : 1to ( addr -- x1 x2 xn )
3083: \G unpacks the elements saved by to1
3084: dup @ swap over cells + swap
3085: 0 DO dup @ swap 1 cells - LOOP
3086: free throw ;
3087:
1.129 jwilke 3088: : loop] ( target-addr -- )
3089: branchto,
1.133 pazsan 3090: dup X here branchoffset offset,
1.129 jwilke 3091: tcell - (done) ;
1.54 pazsan 3092:
3093: : skiploop] ?dup IF branchto, branchtoresolve, THEN ;
3094:
3095: >TARGET
3096:
1.52 jwilke 3097: \ Structural Conditionals 12dec92py
3098:
1.103 jwilke 3099: : (cs-swap) ( x1 x2 -- x2 x1 )
3100: swap ; ' (cs-swap) plugin-of cs-swap
3101:
3102: : (ahead,) branchmark, ; ' (ahead,) plugin-of ahead,
3103:
3104: : (if,) ?branchmark, ; ' (if,) plugin-of if,
3105:
3106: : (then,) branchto, branchtoresolve, ; ' (then,) plugin-of then,
3107:
3108: : (else,) ( ahead ) branchmark,
3109: swap
3110: ( then ) branchto, branchtoresolve, ; ' (else,) plugin-of else,
3111:
3112: : (begin,) branchtomark, ; ' (begin,) plugin-of begin,
3113:
3114: : (while,) ( if ) ?branchmark,
3115: swap ; ' (while,) plugin-of while,
3116:
3117: : (again,) branch, ; ' (again,) plugin-of again,
3118:
3119: : (until,) ?branch, ; ' (until,) plugin-of until,
3120:
3121: : (repeat,) ( again ) branch,
3122: ( then ) branchto, branchtoresolve, ; ' (repeat,) plugin-of repeat,
3123:
3124: : (case,) ( -- n )
3125: 0 ; ' (case,) plugin-of case,
3126:
3127: : (of,) ( n -- x1 n )
3128: 1+ >r
3129: compile over compile =
3130: if, compile drop r> ; ' (of,) plugin-of of,
3131:
3132: : (endof,) ( x1 n -- x2 n )
3133: >r 1 ncontrols? else, r> ; ' (endof,) plugin-of endof,
3134:
3135: : (endcase,) ( x1 .. xn n -- )
3136: compile drop 0 ?DO 1 ncontrols? then, LOOP ; ' (endcase,) plugin-of endcase,
3137:
1.53 jwilke 3138: >TARGET
1.103 jwilke 3139: Cond: AHEAD ahead, ;Cond
3140: Cond: IF if, ;Cond
3141: Cond: THEN 1 ncontrols? then, ;Cond
3142: Cond: ENDIF 1 ncontrols? then, ;Cond
3143: Cond: ELSE 1 ncontrols? else, ;Cond
3144:
3145: Cond: BEGIN begin, ;Cond
3146: Cond: WHILE 1 ncontrols? while, ;Cond
3147: Cond: AGAIN 1 ncontrols? again, ;Cond
3148: Cond: UNTIL 1 ncontrols? until, ;Cond
3149: Cond: REPEAT 2 ncontrols? repeat, ;Cond
3150:
3151: Cond: CASE case, ;Cond
3152: Cond: OF of, ;Cond
3153: Cond: ENDOF endof, ;Cond
3154: Cond: ENDCASE endcase, ;Cond
1.1 anton 3155:
3156: \ Structural Conditionals 12dec92py
3157:
1.103 jwilke 3158: : (do,) ( -- target-addr )
3159: \ ?? i think 0 is too much! jaw
1.54 pazsan 3160: 0 compile (do)
1.103 jwilke 3161: branchtomark, 2 to1 ; ' (do,) plugin-of do,
1.54 pazsan 3162:
1.103 jwilke 3163: \ alternative for if no ?do
3164: \ : (do,)
1.54 pazsan 3165: \ compile 2dup compile = compile IF
3166: \ compile 2drop compile ELSE
3167: \ compile (do) branchtomark, 2 to1 ;
3168:
1.103 jwilke 3169: : (?do,) ( -- target-addr )
1.54 pazsan 3170: 0 compile (?do) ?domark, (leave)
1.103 jwilke 3171: branchtomark, 2 to1 ; ' (?do,) plugin-of ?do,
3172:
3173: : (for,) ( -- target-addr )
3174: compile (for) branchtomark, ; ' (for,) plugin-of for,
3175:
3176: : (loop,) ( target-addr -- )
3177: 1to compile (loop) loop]
3178: compile unloop skiploop] ; ' (loop,) plugin-of loop,
3179:
3180: : (+loop,) ( target-addr -- )
3181: 1to compile (+loop) loop]
3182: compile unloop skiploop] ; ' (+loop,) plugin-of +loop,
3183:
3184: : (next,)
3185: compile (next) loop] compile unloop ; ' (next,) plugin-of next,
3186:
3187: Cond: DO do, ;Cond
3188: Cond: ?DO ?do, ;Cond
3189: Cond: FOR for, ;Cond
3190:
3191: Cond: LOOP 1 ncontrols? loop, ;Cond
3192: Cond: +LOOP 1 ncontrols? +loop, ;Cond
3193: Cond: NEXT 1 ncontrols? next, ;Cond
1.52 jwilke 3194:
1.1 anton 3195: \ String words 23feb93py
3196:
1.103 jwilke 3197: : ," [char] " parse ht-string, X align ;
1.1 anton 3198:
1.130 pazsan 3199: X has? control-rack [IF]
1.103 jwilke 3200: Cond: ." compile (.") T ," H ;Cond
3201: Cond: S" compile (S") T ," H ;Cond
3202: Cond: C" compile (C") T ," H ;Cond
3203: Cond: ABORT" compile (ABORT") T ," H ;Cond
1.130 pazsan 3204: [ELSE]
3205: Cond: ." '" parse tuck 2>r ahead, there 2r> ht-mem, X align
3206: >r then, r> compile ALiteral compile Literal compile type ;Cond
3207: Cond: S" '" parse tuck 2>r ahead, there 2r> ht-mem, X align
3208: >r then, r> compile ALiteral compile Literal ;Cond
3209: Cond: C" ahead, there [char] " parse ht-string, X align
3210: >r then, r> compile ALiteral ;Cond
3211: Cond: ABORT" if, ahead, there [char] " parse ht-string, X align
3212: >r then, r> compile ALiteral compile c(abort") then, ;Cond
3213: [THEN]
1.1 anton 3214:
3215: Cond: IS T ' >body H compile ALiteral compile ! ;Cond
1.66 pazsan 3216: : IS T >address ' >body ! H ;
1.9 pazsan 3217: Cond: TO T ' >body H compile ALiteral compile ! ;Cond
3218: : TO T ' >body ! H ;
1.1 anton 3219:
1.52 jwilke 3220: Cond: defers T ' >body @ compile, H ;Cond
3221:
1.1 anton 3222: \ LINKED ERR" ENV" 2ENV" 18may93jaw
3223:
3224: \ linked list primitive
1.79 jwilke 3225: : linked X here over X @ X A, swap X ! ;
1.52 jwilke 3226: : chained T linked A, H ;
1.1 anton 3227:
3228: : err" s" ErrLink linked" evaluate T , H
1.103 jwilke 3229: [char] " parse ht-string, X align ;
1.1 anton 3230:
3231: : env" [char] " parse s" EnvLink linked" evaluate
1.103 jwilke 3232: ht-string, X align X , ;
1.1 anton 3233:
3234: : 2env" [char] " parse s" EnvLink linked" evaluate
1.103 jwilke 3235: here >r ht-string, X align X , X ,
1.1 anton 3236: r> dup T c@ H 80 and swap T c! H ;
3237:
3238: \ compile must be last 22feb93py
3239:
1.103 jwilke 3240: Cond: [compile] ( -- ) \ name
3241: \g For immediate words, works even if forward reference
3242: bl word gfind 0= ABORT" CROSS: Can't compile"
3243: (gexecute) ;Cond
3244:
3245: Cond: postpone ( -- ) \ name
3246: bl word gfind 0= ABORT" CROSS: Can't compile"
3247: dup >magic @ <fwd> =
3248: ABORT" CROSS: Can't postpone on forward declaration"
3249: dup >magic @ <imm> =
3250: IF (gexecute)
1.143 pazsan 3251: ELSE >link @ alit, compile compile, THEN ;Cond
1.54 pazsan 3252:
1.77 jwilke 3253: \ save-cross 17mar93py
3254:
3255: hex
3256:
3257: >CROSS
1.131 anton 3258: Create magic s" Gforth3x" here over allot swap move
1.77 jwilke 3259:
3260: bigendian 1+ \ strangely, in magic big=0, little=1
3261: tcell 1 = 0 and or
3262: tcell 2 = 2 and or
3263: tcell 4 = 4 and or
3264: tcell 8 = 6 and or
3265: tchar 1 = 00 and or
3266: tchar 2 = 28 and or
3267: tchar 4 = 50 and or
3268: tchar 8 = 78 and or
3269: magic 7 + c!
3270:
3271: : save-cross ( "image-name" "binary-name" -- )
3272: bl parse ." Saving to " 2dup type cr
3273: w/o bin create-file throw >r
1.113 jwilke 3274: s" header" X $has? IF
1.80 anton 3275: s" #! " r@ write-file throw
3276: bl parse r@ write-file throw
3277: s" --image-file" r@ write-file throw
1.77 jwilke 3278: #lf r@ emit-file throw
3279: r@ dup file-position throw drop 8 mod 8 swap ( file-id limit index )
3280: ?do
3281: bl over emit-file throw
3282: loop
3283: drop
3284: magic 8 r@ write-file throw \ write magic
3285: ELSE
3286: bl parse 2drop
3287: THEN
1.139 jwilke 3288: dictionary >rmem @ there
1.77 jwilke 3289: r@ write-file throw \ write image
1.113 jwilke 3290: s" relocate" X $has? IF
1.139 jwilke 3291: dictionary >rbm @ there 1- tcell>bit rshift 1+
1.77 jwilke 3292: r@ write-file throw \ write tags
3293: THEN
3294: r> close-file throw ;
3295:
3296: : save-region ( addr len -- )
3297: bl parse w/o bin create-file throw >r
3298: swap >image swap r@ write-file throw
3299: r> close-file throw ;
3300:
1.110 jwilke 3301: \ save-asm-region 29aug01jaw
1.103 jwilke 3302:
3303: Variable name-ptr
3304: Create name-buf 200 chars allot
3305: : init-name-buf name-buf name-ptr ! ;
3306: : nb, name-ptr @ c! 1 chars name-ptr +! ;
3307: : $nb, ( adr len -- ) bounds ?DO I c@ nb, LOOP ;
3308: : @nb name-ptr @ name-buf tuck - ;
3309:
3310: \ stores a usefull string representation of the character
3311: \ in the name buffer
3312: : name-char, ( c -- )
3313: dup 'a 'z 1+ within IF nb, EXIT THEN
3314: dup 'A 'Z 1+ within IF $20 + nb, EXIT THEN
3315: dup '0 '9 1+ within IF nb, EXIT THEN
3316: CASE '+ OF s" _PLUS" $nb, ENDOF
3317: '- OF s" _MINUS" $nb, ENDOF
3318: '* OF s" _STAR" $nb, ENDOF
3319: '/ OF s" _SLASH" $nb, ENDOF
3320: '' OF s" _TICK" $nb, ENDOF
3321: '( OF s" _OPAREN" $nb, ENDOF
3322: ') OF s" _CPAREN" $nb, ENDOF
3323: '[ OF s" _OBRACKET" $nb, ENDOF
3324: '] OF s" _CBRACKET" $nb, ENDOF
3325: '! OF s" _STORE" $nb, ENDOF
3326: '@ OF s" _FETCH" $nb, ENDOF
3327: '> OF s" _GREATER" $nb, ENDOF
3328: '< OF s" _LESS" $nb, ENDOF
3329: '= OF s" _EQUAL" $nb, ENDOF
3330: '# OF s" _HASH" $nb, ENDOF
3331: '? OF s" _QUEST" $nb, ENDOF
3332: ': OF s" _COL" $nb, ENDOF
3333: '; OF s" _SEMICOL" $nb, ENDOF
3334: ', OF s" _COMMA" $nb, ENDOF
3335: '. OF s" _DOT" $nb, ENDOF
3336: '" OF s" _DQUOT" $nb, ENDOF
3337: dup
3338: base @ >r hex s>d <# #s 'X hold '_ hold #> $nb, r> base !
3339: ENDCASE ;
3340:
3341: : label-from-ghostname ( ghost -- addr len )
3342: dup >ghostname init-name-buf 'L nb, bounds
3343: ?DO I c@ name-char, LOOP
3344: \ we add the address to a name to make in unique
3345: \ because one name may appear more then once
3346: \ there are names (e.g. boot) that may be reference from other
3347: \ assembler source files, so we declare them as unique
3348: \ and don't add the address suffix
3349: dup >ghost-flags @ <unique> and 0=
3350: IF s" __" $nb, >link @ base @ >r hex 0 <# #s 'L hold #> r> base ! $nb,
3351: ELSE drop
3352: THEN
3353: @nb ;
3354:
1.111 jwilke 3355: \ FIXME why disabled?!
1.103 jwilke 3356: : label-from-ghostnameXX ( ghost -- addr len )
3357: \ same as (label-from-ghostname) but caches generated names
3358: dup >asm-name @ ?dup IF nip count EXIT THEN
3359: \ dup >r (label-from-ghostname) 2dup
3360: align here >r string, align
3361: r> r> >asm-name ! ;
3362:
3363: : primghostdiscover ( xt -- ghost true | xt false )
3364: dup 0= IF false EXIT THEN
3365: >r last-prim-ghost
3366: BEGIN @ dup
3367: WHILE dup >asm-dummyaddr @ r@ =
3368: IF rdrop true EXIT THEN
3369: REPEAT
3370: drop r> false ;
3371:
3372: : gdiscover2 ( xt -- ghost true | xt false )
3373: dup taddr>region 0= IF false EXIT THEN
3374: dup (>regiontype) @ dup 0= IF drop false EXIT THEN
3375: addr-xt-ghost @ dup 0= IF drop false EXIT THEN
3376: nip true ;
3377: \ dup >ghost-name @ IF nip true ELSE drop false THEN ;
3378:
3379: \ generates a label name for the target address
3380: : generate-label-name ( taddr -- addr len )
3381: gdiscover2
3382: IF dup >magic @ <do:> =
3383: IF >asm-name @ count EXIT THEN
3384: label-from-ghostname
3385: ELSE
3386: primghostdiscover
3387: IF >asm-name @ count
3388: ELSE base @ >r hex 0 <# #s 'L hold #> r> base !
3389: THEN
3390: THEN ;
3391:
3392: Variable outfile-fd
3393:
3394: : $out ( adr len -- ) outfile-fd @ write-file throw ;
3395: : nlout newline $out ;
3396: : .ux ( n -- )
3397: base @ hex swap 0 <# #S #> $out base ! ;
3398:
3399: : save-asm-region-part-aligned ( taddr len -- 'taddr 'len )
3400: dup cell/ 0
3401: ?DO nlout s" .word " $out over @relbit
3402: IF over X @ generate-label-name $out
3403: ELSE over X @ s" 0x0" $out .ux
3404: THEN
3405: tcell /string
3406: LOOP ;
3407:
3408: : print-bytes ( taddr len n -- taddr' len' )
3409: over min dup 0>
3410: IF nlout s" .byte " $out 0
3411: ?DO I 0> IF s" , " $out THEN
3412: over X c@ s" 0x0" $out .ux 1 /string
3413: LOOP
3414: THEN ;
3415:
3416: : save-asm-region-part ( addr len -- )
3417: over dup X aligned swap - ?dup
3418: IF print-bytes THEN
3419: save-asm-region-part-aligned
3420: dup dup X aligned swap - ?dup
3421: IF 2 pick @relbit ABORT" relocated field splitted"
3422: print-bytes
3423: THEN
3424: 2drop ;
3425:
3426: : print-label ( taddr -- )
3427: nlout generate-label-name $out s" :" $out ;
3428:
3429: : snl-calc ( taddr taddr2 -- )
3430: tuck over - ;
3431:
3432: : skip-nolables ( taddr -- taddr2 taddr len )
3433: \G skips memory region where no lables are defined
3434: \G starting from taddr+1
3435: \G Labels will be introduced for each reference mark
3436: \G in addr-refs.
3437: \G This word deals with lables at byte addresses as well.
3438: \G The main idea is to have an intro part which
3439: \G skips until the next cell boundary, the middle part
3440: \G which skips whole cells very efficiently and the third
3441: \G part which skips the bytes to the label in a cell
3442: dup 1+ dup (>regiontype)
3443: ( S taddr taddr-realstart type-addr )
3444: dup @ dup IF addr-refs @ THEN
3445: swap >r
3446: over align+ tuck tcell swap - rshift swap 0
1.126 jwilke 3447: ?DO dup 1 and
1.103 jwilke 3448: IF drop rdrop snl-calc UNLOOP EXIT THEN
3449: 2/ swap 1+ swap
3450: LOOP
3451: drop r> cell+
3452: ( S .. taddr2 type-addr ) dup
3453: BEGIN dup @ dup IF addr-refs @ THEN 0= WHILE cell+ REPEAT
3454: dup >r swap - 1 cells / tcell * + r>
3455: ( S .. taddr2+skiplencells type-addr )
3456: @ addr-refs @ 1 tcell lshift or
3457: BEGIN dup 1 and 0= WHILE swap 1+ swap 2/ REPEAT drop
3458: ( S .. taddr2+skiplencells+skiplenbytes )
3459: snl-calc ;
3460:
3461: : insert-label ( taddr -- )
3462: dup 0= IF drop EXIT THEN
3463: \ ignore everything which points outside our memory regions
3464: \ maybe a primitive pointer or whatever
3465: dup taddr>region 0= IF drop EXIT THEN
3466: dup >r (>regiontype) define-addr-struct addr-refs dup @
3467: r> tcell 1- and 1 swap lshift or swap ! ;
3468:
3469: \ this generates a sorted list of addresses which must be labels
3470: \ it scans therefore a whole region
3471: : generate-label-list-region ( taddr len -- )
3472: BEGIN over @relbit IF over X @ insert-label THEN
3473: tcell /string dup 0<
3474: UNTIL 2drop ;
3475:
3476: : generate-label-list ( -- )
3477: region-link
3478: BEGIN @ dup WHILE
3479: dup 0 >rlink - extent
3480: ?dup IF generate-label-list-region ELSE drop THEN
3481: REPEAT drop ;
3482:
3483: : create-outfile ( addr len -- )
3484: w/o bin create-file throw outfile-fd ! ;
3485:
3486: : close-outfile ( -- )
3487: outfile-fd @ close-file throw ;
3488:
3489: : (save-asm-region) ( region -- )
3490: \ ." label list..."
3491: generate-label-list
3492: \ ." ok!" cr
3493: extent ( S taddr len )
3494: over insert-label
3495: 2dup + dup insert-label >r ( R end-label )
3496: ( S taddr len ) drop
3497: BEGIN
3498: dup print-label
3499: dup r@ <> WHILE
3500: skip-nolables save-asm-region-part
3501: REPEAT drop rdrop ;
3502:
3503: : lineout ( addr len -- )
3504: outfile-fd @ write-line throw ;
3505:
3506: : save-asm-region ( region adr len -- )
3507: create-outfile (save-asm-region) close-outfile ;
3508:
1.54 pazsan 3509: \ \ minimal definitions
3510:
1.77 jwilke 3511: >MINIMAL also minimal
3512:
1.1 anton 3513: \ Usefull words 13feb93py
3514:
3515: : KB 400 * ;
3516:
1.54 pazsan 3517: \ \ [IF] [ELSE] [THEN] ... 14sep97jaw
3518:
3519: \ it is useful to define our own structures and not to rely
1.109 jwilke 3520: \ on the words in the host system
3521: \ The words in the host system might be defined with vocabularies
1.54 pazsan 3522: \ this doesn't work with our self-made compile-loop
3523:
3524: Create parsed 20 chars allot \ store word we parsed
3525:
3526: : upcase
3527: parsed count bounds
3528: ?DO I c@ toupper I c! LOOP ;
3529:
3530: : [ELSE]
3531: 1 BEGIN
3532: BEGIN bl word count dup WHILE
1.77 jwilke 3533: comment? 20 umin parsed place upcase parsed count
1.128 anton 3534: 2dup s" [IF]" str= >r
3535: 2dup s" [IFUNDEF]" str= >r
3536: 2dup s" [IFDEF]" str= r> or r> or
1.54 pazsan 3537: IF 2drop 1+
1.128 anton 3538: ELSE 2dup s" [ELSE]" str=
1.54 pazsan 3539: IF 2drop 1- dup
3540: IF 1+
3541: THEN
3542: ELSE
1.128 anton 3543: 2dup s" [ENDIF]" str= >r
3544: s" [THEN]" str= r> or
1.54 pazsan 3545: IF 1- THEN
3546: THEN
3547: THEN
3548: ?dup 0= ?EXIT
3549: REPEAT
3550: 2drop refill 0=
3551: UNTIL drop ; immediate
3552:
3553: : [THEN] ( -- ) ; immediate
3554:
3555: : [ENDIF] ( -- ) ; immediate
3556:
3557: : [IF] ( flag -- )
3558: 0= IF postpone [ELSE] THEN ; immediate
3559:
3560: Cond: [IF] postpone [IF] ;Cond
3561: Cond: [THEN] postpone [THEN] ;Cond
3562: Cond: [ELSE] postpone [ELSE] ;Cond
3563:
1.1 anton 3564: \ define new [IFDEF] and [IFUNDEF] 20may93jaw
3565:
1.77 jwilke 3566: : defined? tdefined? ;
1.44 pazsan 3567: : needed? needed? ;
3568: : doer? doer? ;
1.1 anton 3569:
1.52 jwilke 3570: \ we want to use IFDEF on compiler directives (e.g. E?) in the source, too
3571:
3572: : directive?
1.77 jwilke 3573: bl word count [ ' target >wordlist ] literal search-wordlist
1.52 jwilke 3574: dup IF nip THEN ;
3575:
3576: : [IFDEF] >in @ directive? swap >in !
1.77 jwilke 3577: 0= IF tdefined? ELSE name 2drop true THEN
1.52 jwilke 3578: postpone [IF] ;
3579:
1.77 jwilke 3580: : [IFUNDEF] tdefined? 0= postpone [IF] ;
1.1 anton 3581:
1.54 pazsan 3582: Cond: [IFDEF] postpone [IFDEF] ;Cond
3583:
3584: Cond: [IFUNDEF] postpone [IFUNDEF] ;Cond
3585:
1.1 anton 3586: \ C: \- \+ Conditional Compiling 09jun93jaw
3587:
1.77 jwilke 3588: : C: >in @ tdefined? 0=
3589: IF >in ! X :
1.1 anton 3590: ELSE drop
3591: BEGIN bl word dup c@
1.128 anton 3592: IF count comment? s" ;" str= ?EXIT
1.1 anton 3593: ELSE refill 0= ABORT" CROSS: Out of Input while C:"
3594: THEN
3595: AGAIN
3596: THEN ;
3597:
1.74 jwilke 3598: : d? d? ;
3599:
1.123 jwilke 3600: : \D ( -- "debugswitch" )
1.74 jwilke 3601: \G doesn't skip line when debug switch is on
1.123 jwilke 3602: D? 0= IF postpone \ THEN ;
1.52 jwilke 3603:
1.123 jwilke 3604: : \- ( -- "wordname" )
1.48 anton 3605: \G interprets the line if word is not defined
1.123 jwilke 3606: tdefined? IF postpone \ THEN ;
1.48 anton 3607:
1.123 jwilke 3608: : \+ ( -- "wordname" )
1.48 anton 3609: \G interprets the line if word is defined
1.123 jwilke 3610: tdefined? 0= IF postpone \ THEN ;
3611:
3612: : \? ( -- "envorinstring" )
3613: \G Skip line if environmental variable evaluates to false
3614: X has? 0= IF postpone \ THEN ;
1.1 anton 3615:
1.48 anton 3616: Cond: \- \- ;Cond
3617: Cond: \+ \+ ;Cond
1.52 jwilke 3618: Cond: \D \D ;Cond
1.123 jwilke 3619: Cond: \? \? ;Cond
1.48 anton 3620:
3621: : ?? bl word find IF execute ELSE drop 0 THEN ;
3622:
3623: : needed:
3624: \G defines ghost for words that we want to be compiled
1.103 jwilke 3625: BEGIN >in @ bl word c@ WHILE >in ! Ghost drop REPEAT drop ;
1.48 anton 3626:
1.1 anton 3627: \ words that should be in minimal
1.52 jwilke 3628:
3629: create s-buffer 50 chars allot
3630:
1.77 jwilke 3631: bigendian Constant bigendian
1.1 anton 3632:
1.52 jwilke 3633: : here there ;
1.67 jwilke 3634: : equ constant ;
3635: : mark there constant ;
1.54 pazsan 3636:
3637: \ compiler directives
1.52 jwilke 3638: : >ram >ram ;
3639: : >rom >rom ;
3640: : >auto >auto ;
3641: : >tempdp >tempdp ;
3642: : tempdp> tempdp> ;
3643: : const constflag on ;
1.103 jwilke 3644:
3645: : Redefinitions-start
3646: \G Starts a redefinition section. Warnings are disabled and
3647: \G existing ghosts are reused. This is used in the kernel
3648: \G where ( and \ and the like are redefined
3649: twarnings off warnings off reuse-ghosts on ;
3650:
3651: : Redefinitions-end
3652: \G Ends a redefinition section. Warnings are enabled again.
3653: twarnings on warnings on reuse-ghosts off ;
3654:
3655: : warnings name 3 =
3656: IF twarnings off warnings off ELSE twarnings on warnings on THEN drop ;
1.102 jwilke 3657:
1.60 anton 3658: : | ;
3659: \ : | NoHeaderFlag on ; \ This is broken (damages the last word)
1.52 jwilke 3660:
1.48 anton 3661: : save-cross save-cross ;
1.52 jwilke 3662: : save-region save-region ;
3663: : tdump swap >image swap dump ;
3664:
1.48 anton 3665: also forth
1.52 jwilke 3666: [IFDEF] Label : Label defempty? Label ; [THEN]
3667: [IFDEF] start-macros : start-macros defempty? start-macros ; [THEN]
1.77 jwilke 3668: \ [IFDEF] builttag : builttag builttag ; [THEN]
1.48 anton 3669: previous
3670:
1.52 jwilke 3671: : s" [char] " parse s-buffer place s-buffer count ; \ for environment?
1.43 pazsan 3672: : + + ;
1.52 jwilke 3673: : 1+ 1 + ;
3674: : 2+ 2 + ;
1.43 pazsan 3675: : 1- 1- ;
3676: : - - ;
1.52 jwilke 3677: : and and ;
3678: : or or ;
1.43 pazsan 3679: : 2* 2* ;
3680: : * * ;
3681: : / / ;
3682: : dup dup ;
1.139 jwilke 3683: : ?dup ?dup ;
1.43 pazsan 3684: : over over ;
3685: : swap swap ;
3686: : rot rot ;
3687: : drop drop ;
1.139 jwilke 3688: : 2drop 2drop ;
1.43 pazsan 3689: : = = ;
1.122 jwilke 3690: : <> <> ;
1.43 pazsan 3691: : 0= 0= ;
3692: : lshift lshift ;
3693: : 2/ 2/ ;
1.139 jwilke 3694: : hex. base @ $10 base ! swap . base ! ;
3695: : invert invert ;
1.103 jwilke 3696: \ : . . ;
1.1 anton 3697:
1.79 jwilke 3698: : all-words ['] forced? IS skip? ;
1.43 pazsan 3699: : needed-words ['] needed? IS skip? ;
1.75 jwilke 3700: : undef-words ['] defined2? IS skip? ;
3701: : skipdef skipdef ;
1.1 anton 3702:
1.40 pazsan 3703: : \ postpone \ ; immediate
1.47 pazsan 3704: : \G T-\G ; immediate
1.40 pazsan 3705: : ( postpone ( ; immediate
1.1 anton 3706: : include bl word count included ;
1.103 jwilke 3707: : included swap >image swap included ;
1.52 jwilke 3708: : require require ;
1.103 jwilke 3709: : needs require ;
1.1 anton 3710: : .( [char] ) parse type ;
1.139 jwilke 3711: : ERROR" [char] " parse
3712: rot
3713: IF cr ." *** " type ." ***" -1 ABORT" CROSS: Target error, see text above"
3714: ELSE 2drop
3715: THEN ;
1.52 jwilke 3716: : ." [char] " parse type ;
1.1 anton 3717: : cr cr ;
3718:
1.77 jwilke 3719: : times 0 ?DO dup X c, LOOP drop ; \ used for space table creation
3720:
3721: \ only forth also cross also minimal definitions order
1.1 anton 3722:
3723: \ cross-compiler words
3724:
1.103 jwilke 3725: : decimal decimal [g'] decimal >exec2 @ ?dup IF EXECUTE THEN ;
3726: : hex hex [g'] hex >exec2 @ ?dup IF EXECUTE THEN ;
1.1 anton 3727:
1.77 jwilke 3728: \ : tudp X tudp ;
3729: \ : tup X tup ;
3730:
3731: : doc-off false to-doc ! ;
3732: : doc-on true to-doc ! ;
1.39 pazsan 3733:
1.103 jwilke 3734: : declareunique ( "name" -- )
1.127 anton 3735: \ Sets the unique flag for a ghost. The assembler output
3736: \ generates labels with the ghostname concatenated with the address
3737: \ while cross-compiling. The address is concatenated
3738: \ because we have double occurences of the same name.
3739: \ If we want to reference the labels from the assembler or C
3740: \ code we declare them unique, so the address is skipped.
1.103 jwilke 3741: Ghost >ghost-flags dup @ <unique> or swap ! ;
3742:
3743: \ [IFDEF] dbg : dbg dbg ; [THEN]
1.39 pazsan 3744:
1.1 anton 3745: \ for debugging...
1.103 jwilke 3746: \ : dbg dbg ;
3747: : horder order ;
3748: : hwords words ;
3749: \ : words also ghosts
3750: \ words previous ;
1.105 jwilke 3751: : .s .s ;
1.122 jwilke 3752: : depth depth ;
1.1 anton 3753: : bye bye ;
1.99 pazsan 3754:
1.103 jwilke 3755: \ dummy
3756:
1.1 anton 3757: \ turnkey direction
3758: : H forth ; immediate
3759: : T minimal ; immediate
3760: : G ghosts ; immediate
3761:
3762:
3763: \ these ones are pefered:
3764:
1.74 jwilke 3765: : unlock previous forth also cross ;
1.52 jwilke 3766:
1.77 jwilke 3767: \ also minimal
1.103 jwilke 3768: >cross
3769:
3770: : turnkey
3771: ghosts-wordlist 1 set-order
3772: also target definitions
3773: also Minimal also ;
3774:
3775: >minimal
3776:
3777: : [[+++
3778: turnkey unlock ;
1.1 anton 3779:
3780: unlock definitions also minimal
1.77 jwilke 3781:
1.103 jwilke 3782: : lock turnkey ;
3783:
3784: Defer +++]]-hook
3785: : +++]] +++]]-hook lock ;
3786:
3787: LOCK
1.77 jwilke 3788: \ load cross compiler extension defined in mach file
3789:
3790: UNLOCK >CROSS
3791:
3792: [IFDEF] extend-cross extend-cross [THEN]
3793:
3794: LOCK
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