Annotation of gforth/cross.fs, revision 1.154
1.1 anton 1: \ CROSS.FS The Cross-Compiler 06oct92py
2: \ Idea and implementation: Bernd Paysan (py)
1.30 anton 3:
1.150 anton 4: \ Copyright (C) 1995,1996,1997,1998,1999,2000,2003,2004,2005 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:
1.149 pazsan 1765: : on >r -1 -1 r> 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:
1.154 ! pazsan 1774: : tcallot ( char size -- )
! 1775: 0 ?DO dup T c, H tchar +LOOP drop ;
! 1776:
1.107 jwilke 1777: : td, ( d -- )
1778: \G Store a host value as one cell into the target
1779: there tcell X allot TD! ;
1780:
1781: \ \ Load Assembler
1782:
1783: >TARGET
1784: H also Forth definitions
1785:
1786: \ FIXME: should we include the assembler really in the forth
1787: \ dictionary?!?!?!? This conflicts with the existing assembler
1788: \ of the host forth system!!
1789: [IFDEF] asm-include asm-include [THEN] hex
1790:
1791: previous
1792:
1793:
1.52 jwilke 1794: >CROSS
1795:
1.103 jwilke 1796: : (cc) T a, H ; ' (cc) plugin-of colon,
1.105 jwilke 1797: : (prim) T a, H ; ' (prim) plugin-of prim,
1.52 jwilke 1798:
1.118 pazsan 1799: : (cr) >tempdp colon, tempdp> ; ' (cr) plugin-of colon-resolve
1.103 jwilke 1800: : (ar) T ! H ; ' (ar) plugin-of addr-resolve
1.54 pazsan 1801: : (dr) ( ghost res-pnt target-addr addr )
1802: >tempdp drop over
1803: dup >magic @ <do:> =
1804: IF doer,
1805: ELSE dodoes,
1806: THEN
1.103 jwilke 1807: tempdp> ; ' (dr) plugin-of doer-resolve
1.54 pazsan 1808:
1809: : (cm) ( -- addr )
1.121 jwilke 1810: there -1 colon, ; ' (cm) plugin-of colonmark,
1.1 anton 1811:
1.52 jwilke 1812: >TARGET
1.105 jwilke 1813: : compile, ( xt -- )
1.107 jwilke 1814: dup xt>ghost >comp @ EXECUTE ;
1.52 jwilke 1815: >CROSS
1.1 anton 1816:
1.102 jwilke 1817: \ resolve structure
1818:
1819: : >next ; \ link to next field
1820: : >tag cell+ ; \ indecates type of reference: 0: call, 1: address, 2: doer
1821: : >taddr cell+ cell+ ;
1822: : >ghost 3 cells + ;
1823: : >file 4 cells + ;
1824: : >line 5 cells + ;
1825:
1826: : (refered) ( ghost addr tag -- )
1827: \G creates a reference to ghost at address taddr
1.103 jwilke 1828: >space
1829: rot >link linked
1.102 jwilke 1830: ( taddr tag ) ,
1831: ( taddr ) ,
1832: last-header-ghost @ ,
1833: loadfile ,
1834: sourceline# ,
1.103 jwilke 1835: space>
1.118 pazsan 1836: ;
1837:
1.52 jwilke 1838: : refered ( ghost tag -- )
1.53 jwilke 1839: \G creates a resolve structure
1.54 pazsan 1840: T here aligned H swap (refered)
1841: ;
1842:
1843: : killref ( addr ghost -- )
1844: \G kills a forward reference to ghost at position addr
1845: \G this is used to eleminate a :dovar refence after making a DOES>
1846: dup >magic @ <fwd> <> IF 2drop EXIT THEN
1847: swap >r >link
1848: BEGIN dup @ dup ( addr last this )
1849: WHILE dup >taddr @ r@ =
1850: IF @ over !
1851: ELSE nip THEN
1852: REPEAT rdrop 2drop
1.53 jwilke 1853: ;
1.48 anton 1854:
1.52 jwilke 1855: Defer resolve-warning
1.1 anton 1856:
1.52 jwilke 1857: : reswarn-test ( ghost res-struct -- ghost res-struct )
1.78 jwilke 1858: over cr ." Resolving " .ghost dup ." in " >ghost @ .ghost ;
1.1 anton 1859:
1.52 jwilke 1860: : reswarn-forward ( ghost res-struct -- ghost res-struct )
1.78 jwilke 1861: over warnhead .ghost dup ." is referenced in "
1862: >ghost @ .ghost ;
1.1 anton 1863:
1.52 jwilke 1864: \ ' reswarn-test IS resolve-warning
1865:
1.1 anton 1866: \ resolve 14oct92py
1867:
1.54 pazsan 1868: : resolve-loop ( ghost resolve-list tcfa -- )
1869: >r
1870: BEGIN dup WHILE
1871: \ dup >tag @ 2 = IF reswarn-forward THEN
1872: resolve-warning
1873: r@ over >taddr @
1874: 2 pick >tag @
1875: CASE 0 OF colon-resolve ENDOF
1876: 1 OF addr-resolve ENDOF
1877: 2 OF doer-resolve ENDOF
1878: ENDCASE
1879: @ \ next list element
1880: REPEAT 2drop rdrop
1881: ;
1.52 jwilke 1882:
1883: \ : resolve-loop ( ghost tcfa -- ghost tcfa )
1884: \ >r dup >link @
1885: \ BEGIN dup WHILE dup T @ H r@ rot T ! H REPEAT drop r> ;
1.1 anton 1886:
1887: \ exists 9may93jaw
1888:
1.103 jwilke 1889: : exists ( ghost tcfa -- )
1890: \G print warning and set new target link in ghost
1891: swap exists-warning
1892: >link ! ;
1.52 jwilke 1893:
1.105 jwilke 1894: : colon-resolved ( ghost -- )
1.121 jwilke 1895: \ compiles a call to a colon definition,
1896: \ compile action for >comp field
1897: >link @ colon, ;
1.105 jwilke 1898:
1899: : prim-resolved ( ghost -- )
1.121 jwilke 1900: \ compiles a call to a primitive
1.105 jwilke 1901: >link @ prim, ;
1902:
1.121 jwilke 1903: : (is-forward) ( ghost -- )
1904: colonmark, 0 (refered) ; \ compile space for call
1905: ' (is-forward) IS is-forward
1906:
1.118 pazsan 1907: 0 Value resolved
1.1 anton 1908:
1.122 jwilke 1909: : resolve-forward-references ( ghost resolve-list -- )
1910: \ loop through forward referencies
1911: comp-state @ >r Resolving comp-state !
1912: over >link @ resolve-loop
1913: r> comp-state !
1914:
1915: ['] noop IS resolve-warning ;
1916:
1917:
1918: : (resolve) ( ghost tcfa -- ghost resolve-list )
1919: \ check for a valid address, it is a primitive reference
1920: \ otherwise
1.103 jwilke 1921: dup taddr>region 0<> IF
1.122 jwilke 1922: \ define this address in the region address type table
1.103 jwilke 1923: 2dup (>regiontype) define-addr-struct addr-xt-ghost
1924: \ we define new address only if empty
1.105 jwilke 1925: \ this is for not to take over the alias ghost
1926: \ (different ghost, but identical xt)
1.103 jwilke 1927: \ but the very first that really defines it
1928: dup @ 0= IF ! ELSE 2drop THEN
1929: THEN
1.122 jwilke 1930: swap >r
1.118 pazsan 1931: r@ to resolved
1.121 jwilke 1932:
1933: \ r@ >comp @ ['] is-forward =
1934: \ ABORT" >comp action not set on a resolved ghost"
1935:
1936: \ copmile action defaults to colon-resolved
1937: \ if this is not right something must be set before
1938: \ calling resolve
1939: r@ >comp @ ['] is-forward = IF
1.122 jwilke 1940: ['] colon-resolved r@ >comp !
1941: THEN
1942: r@ >link @ swap \ ( list tcfa R: ghost )
1943: \ mark ghost as resolved
1944: r@ >link ! <res> r@ >magic !
1945: r> swap ;
1.54 pazsan 1946:
1.122 jwilke 1947: : resolve ( ghost tcfa -- )
1948: \G resolve referencies to ghost with tcfa
1949: \ is ghost resolved?, second resolve means another
1950: \ definition with the same name
1951: over undefined? 0= IF exists EXIT THEN
1952: (resolve)
1953: ( ghost resolve-list )
1954: resolve-forward-references ;
1955:
1956: : resolve-noforwards ( ghost tcfa -- )
1957: \G Same as resolve but complain if there are any
1958: \G forward references on this ghost
1959: \ is ghost resolved?, second resolve means another
1960: \ definition with the same name
1961: over undefined? 0= IF exists EXIT THEN
1962: (resolve)
1963: IF cr ." No forward references allowed on: " .ghost cr
1964: -1 ABORT" Illegal forward reference"
1965: THEN
1966: drop ;
1.1 anton 1967:
1968: \ gexecute ghost, 01nov92py
1969:
1.103 jwilke 1970: : (gexecute) ( ghost -- )
1.105 jwilke 1971: dup >comp @ EXECUTE ;
1.103 jwilke 1972:
1973: : gexecute ( ghost -- )
1.120 jwilke 1974: dup >magic @ <imm> = ABORT" CROSS: gexecute on immediate word"
1.103 jwilke 1975: (gexecute) ;
1.52 jwilke 1976:
1977: : addr, ( ghost -- )
1.105 jwilke 1978: dup forward? IF 1 refered 0 T a, H ELSE >link @ T a, H THEN ;
1.52 jwilke 1979:
1.1 anton 1980: \ .unresolved 11may93jaw
1981:
1982: variable ResolveFlag
1983:
1984: \ ?touched 11may93jaw
1985:
1.52 jwilke 1986: : ?touched ( ghost -- flag ) dup forward? swap >link @
1.1 anton 1987: 0 <> and ;
1988:
1.53 jwilke 1989: : .forwarddefs ( ghost -- )
1.103 jwilke 1990: ." appeared in:"
1991: >link
1992: BEGIN @ dup
1993: WHILE cr 5 spaces
1994: dup >ghost @ .ghost
1995: ." file " dup >file @ ?dup IF count type ELSE ." CON" THEN
1996: ." line " dup >line @ .dec
1997: REPEAT
1998: drop ;
1999:
2000: : ?resolved ( ghost -- )
2001: dup ?touched
2002: IF ResolveFlag on
2003: dup cr .ghost .forwarddefs
1.53 jwilke 2004: ELSE drop
2005: THEN ;
1.1 anton 2006:
2007: : .unresolved ( -- )
2008: ResolveFlag off cr ." Unresolved: "
1.103 jwilke 2009: ghost-list
1.1 anton 2010: BEGIN @ dup
2011: WHILE dup ?resolved
1.10 anton 2012: REPEAT drop ResolveFlag @
2013: IF
1.48 anton 2014: -1 abort" Unresolved words!"
1.10 anton 2015: ELSE
2016: ." Nothing!"
2017: THEN
2018: cr ;
1.1 anton 2019:
1.52 jwilke 2020: : .stats
2021: base @ >r decimal
2022: cr ." named Headers: " headers-named @ .
2023: r> base ! ;
2024:
1.79 jwilke 2025: >MINIMAL
2026:
2027: : .unresolved .unresolved ;
2028:
1.1 anton 2029: >CROSS
2030: \ Header states 12dec92py
2031:
1.102 jwilke 2032: \ : flag! ( 8b -- ) tlast @ dup >r T c@ xor r> c! H ;
1.142 pazsan 2033: X has? f83headerstring bigendian or [IF] 0 [ELSE] tcell 1- [THEN] Constant flag+
1.90 pazsan 2034: : flag! ( w -- ) tlast @ flag+ + dup >r T c@ xor r> c! H ;
1.1 anton 2035:
2036: VARIABLE ^imm
2037:
1.105 jwilke 2038: \ !! should be target wordsize specific
2039: $80 constant alias-mask
2040: $40 constant immediate-mask
2041: $20 constant restrict-mask
2042:
1.1 anton 2043: >TARGET
1.105 jwilke 2044: : immediate immediate-mask flag!
1.18 pazsan 2045: ^imm @ @ dup <imm> = IF drop EXIT THEN
1.1 anton 2046: <res> <> ABORT" CROSS: Cannot immediate a unresolved word"
2047: <imm> ^imm @ ! ;
1.105 jwilke 2048: : restrict restrict-mask flag! ;
1.52 jwilke 2049:
1.54 pazsan 2050: : isdoer
2051: \G define a forth word as doer, this makes obviously only sence on
2052: \G forth processors such as the PSC1000
2053: <do:> last-header-ghost @ >magic ! ;
1.1 anton 2054: >CROSS
2055:
2056: \ Target Header Creation 01nov92py
2057:
1.103 jwilke 2058: : ht-lstring, ( addr count -- )
1.102 jwilke 2059: dup T , H bounds ?DO I c@ T c, H LOOP ;
2060:
1.103 jwilke 2061: >TARGET
1.139 jwilke 2062: X has? f83headerstring [IF]
2063: : name, ( "name" -- ) bl word count ht-string, X cfalign ;
2064: [ELSE]
1.103 jwilke 2065: : name, ( "name" -- ) bl word count ht-lstring, X cfalign ;
1.139 jwilke 2066: [THEN]
1.1 anton 2067: : view, ( -- ) ( dummy ) ;
1.52 jwilke 2068: >CROSS
1.1 anton 2069:
1.25 pazsan 2070: \ Target Document Creation (goes to crossdoc.fd) 05jul95py
2071:
1.55 pazsan 2072: s" ./doc/crossdoc.fd" r/w create-file throw value doc-file-id
1.25 pazsan 2073: \ contains the file-id of the documentation file
2074:
1.40 pazsan 2075: : T-\G ( -- )
1.25 pazsan 2076: source >in @ /string doc-file-id write-line throw
1.40 pazsan 2077: postpone \ ;
1.25 pazsan 2078:
1.39 pazsan 2079: Variable to-doc to-doc on
1.25 pazsan 2080:
2081: : cross-doc-entry ( -- )
2082: to-doc @ tlast @ 0<> and \ not an anonymous (i.e. noname) header
2083: IF
2084: s" " doc-file-id write-line throw
2085: s" make-doc " doc-file-id write-file throw
1.102 jwilke 2086:
1.105 jwilke 2087: Last-Header-Ghost @ >ghostname doc-file-id write-file throw
1.25 pazsan 2088: >in @
2089: [char] ( parse 2drop
2090: [char] ) parse doc-file-id write-file throw
2091: s" )" doc-file-id write-file throw
2092: [char] \ parse 2drop
1.40 pazsan 2093: T-\G
1.25 pazsan 2094: >in !
1.39 pazsan 2095: THEN ;
1.25 pazsan 2096:
1.28 pazsan 2097: \ Target TAGS creation
2098:
1.39 pazsan 2099: s" kernel.TAGS" r/w create-file throw value tag-file-id
1.116 pazsan 2100: s" kernel.tags" r/w create-file throw value vi-tag-file-id
1.28 pazsan 2101: \ contains the file-id of the tags file
2102:
1.137 anton 2103: Create tag-beg 1 c, 7F c,
2104: Create tag-end 1 c, 01 c,
1.28 pazsan 2105: Create tag-bof 1 c, 0C c,
1.116 pazsan 2106: Create tag-tab 1 c, 09 c,
1.28 pazsan 2107:
2108: 2variable last-loadfilename 0 0 last-loadfilename 2!
2109:
2110: : put-load-file-name ( -- )
1.77 jwilke 2111: sourcefilename last-loadfilename 2@ d<>
1.28 pazsan 2112: IF
2113: tag-bof count tag-file-id write-line throw
1.31 anton 2114: sourcefilename 2dup
1.28 pazsan 2115: tag-file-id write-file throw
2116: last-loadfilename 2!
2117: s" ,0" tag-file-id write-line throw
2118: THEN ;
2119:
1.116 pazsan 2120: : cross-gnu-tag-entry ( -- )
1.28 pazsan 2121: tlast @ 0<> \ not an anonymous (i.e. noname) header
2122: IF
2123: put-load-file-name
2124: source >in @ min tag-file-id write-file throw
2125: tag-beg count tag-file-id write-file throw
1.116 pazsan 2126: Last-Header-Ghost @ >ghostname tag-file-id write-file throw
1.28 pazsan 2127: tag-end count tag-file-id write-file throw
1.31 anton 2128: base @ decimal sourceline# 0 <# #s #> tag-file-id write-file throw
1.28 pazsan 2129: \ >in @ 0 <# #s [char] , hold #> tag-file-id write-line throw
2130: s" ,0" tag-file-id write-line throw
2131: base !
2132: THEN ;
1.116 pazsan 2133:
2134: : cross-vi-tag-entry ( -- )
2135: tlast @ 0<> \ not an anonymous (i.e. noname) header
2136: IF
2137: sourcefilename vi-tag-file-id write-file throw
2138: tag-tab count vi-tag-file-id write-file throw
2139: Last-Header-Ghost @ >ghostname vi-tag-file-id write-file throw
2140: tag-tab count vi-tag-file-id write-file throw
2141: s" /^" vi-tag-file-id write-file throw
2142: source vi-tag-file-id write-file throw
2143: s" $/" vi-tag-file-id write-line throw
2144: THEN ;
2145:
2146: : cross-tag-entry ( -- )
2147: cross-gnu-tag-entry
2148: cross-vi-tag-entry ;
1.28 pazsan 2149:
1.43 pazsan 2150: \ Check for words
2151:
2152: Defer skip? ' false IS skip?
2153:
1.103 jwilke 2154: : skipdef ( "name" -- )
1.79 jwilke 2155: \G skip definition of an undefined word in undef-words and
2156: \G all-words mode
1.103 jwilke 2157: Ghost dup forward?
1.75 jwilke 2158: IF >magic <skip> swap !
2159: ELSE drop THEN ;
2160:
1.103 jwilke 2161: : tdefined? ( "name" -- flag )
2162: Ghost undefined? 0= ;
1.75 jwilke 2163:
1.103 jwilke 2164: : defined2? ( "name" -- flag )
1.75 jwilke 2165: \G return true for anything else than forward, even for <skip>
2166: \G that's what we want
1.103 jwilke 2167: Ghost forward? 0= ;
1.43 pazsan 2168:
1.103 jwilke 2169: : forced? ( "name" -- flag )
1.79 jwilke 2170: \G return ture if it is a foreced skip with defskip
1.103 jwilke 2171: Ghost >magic @ <skip> = ;
1.79 jwilke 2172:
1.43 pazsan 2173: : needed? ( -- flag ) \ name
1.48 anton 2174: \G returns a false flag when
2175: \G a word is not defined
2176: \G a forward reference exists
2177: \G so the definition is not skipped!
2178: bl word gfind
1.75 jwilke 2179: IF dup undefined?
1.48 anton 2180: nip
2181: 0=
2182: ELSE drop true THEN ;
1.43 pazsan 2183:
1.139 jwilke 2184: : doer? ( "name" -- 0 | addr ) \ name
2185: Ghost dup >magic @ <do:> =
2186: IF >link @ ELSE drop 0 THEN ;
1.44 pazsan 2187:
1.43 pazsan 2188: : skip-defs ( -- )
2189: BEGIN refill WHILE source -trailing nip 0= UNTIL THEN ;
2190:
1.28 pazsan 2191: \ Target header creation
2192:
1.54 pazsan 2193: Variable NoHeaderFlag
2194: NoHeaderFlag off
1.1 anton 2195:
1.54 pazsan 2196: : 0.r ( n1 n2 -- )
2197: base @ >r hex
2198: 0 swap <# 0 ?DO # LOOP #> type
2199: r> base ! ;
1.84 jwilke 2200:
2201: : .sym ( adr len -- )
2202: \G escapes / and \ to produce sed output
1.52 jwilke 2203: bounds
2204: DO I c@ dup
1.77 jwilke 2205: CASE [char] / OF drop ." \/" ENDOF
2206: [char] \ OF drop ." \\" ENDOF
1.52 jwilke 2207: dup OF emit ENDOF
2208: ENDCASE
1.54 pazsan 2209: LOOP ;
1.52 jwilke 2210:
1.147 pazsan 2211: Defer setup-execution-semantics ' noop IS setup-execution-semantics
1.103 jwilke 2212: 0 Value lastghost
2213:
2214: : (THeader ( "name" -- ghost )
1.54 pazsan 2215: \ >in @ bl word count type 2 spaces >in !
2216: \ wordheaders will always be compiled to rom
2217: switchrom
2218: \ build header in target
2219: NoHeaderFlag @
2220: IF NoHeaderFlag off
2221: ELSE
2222: T align H view,
1.78 jwilke 2223: tlast @ dup 0> IF tcell - THEN T A, H there tlast !
1.54 pazsan 2224: 1 headers-named +! \ Statistic
2225: >in @ T name, H >in !
2226: THEN
2227: T cfalign here H tlastcfa !
1.84 jwilke 2228: \ Old Symbol table sed-script
1.54 pazsan 2229: \ >in @ cr ." sym:s/CFA=" there 4 0.r ." /" bl word count .sym ." /g" cr >in !
1.103 jwilke 2230: HeaderGhost
1.84 jwilke 2231: \ output symbol table to extra file
1.123 jwilke 2232: dup >ghostname there symentry
1.103 jwilke 2233: dup Last-Header-Ghost ! dup to lastghost
1.54 pazsan 2234: dup >magic ^imm ! \ a pointer for immediate
1.105 jwilke 2235: alias-mask flag!
1.103 jwilke 2236: cross-doc-entry cross-tag-entry
2237: setup-execution-semantics
2238: ;
1.1 anton 2239:
1.52 jwilke 2240: \ this is the resolver information from ":"
2241: \ resolving is done by ";"
1.103 jwilke 2242: Variable ;Resolve 1 cells allot
2243:
2244: : hereresolve ( ghost -- )
2245: there resolve 0 ;Resolve ! ;
1.1 anton 2246:
1.11 pazsan 2247: : Theader ( "name" -- ghost )
1.103 jwilke 2248: (THeader dup hereresolve ;
2249:
2250: Variable aprim-nr -20 aprim-nr !
2251:
2252: : copy-execution-semantics ( ghost-from ghost-dest -- )
2253: >r
2254: dup >exec @ r@ >exec !
1.117 pazsan 2255: dup >comp @ r@ >comp !
1.103 jwilke 2256: dup >exec2 @ r@ >exec2 !
2257: dup >exec-compile @ r@ >exec-compile !
2258: dup >ghost-xt @ r@ >ghost-xt !
2259: dup >created @ r@ >created !
2260: rdrop drop ;
1.1 anton 2261:
2262: >TARGET
1.103 jwilke 2263:
1.1 anton 2264: : Alias ( cfa -- ) \ name
1.103 jwilke 2265: >in @ skip? IF 2drop EXIT THEN >in !
2266: (THeader ( S xt ghost )
1.105 jwilke 2267: 2dup swap xt>ghost swap copy-execution-semantics
2268: over resolve T A, H alias-mask flag! ;
1.103 jwilke 2269:
2270: Variable last-prim-ghost
2271: 0 last-prim-ghost !
2272:
2273: : asmprimname, ( ghost -- : name )
2274: dup last-prim-ghost !
2275: >r
2276: here bl word count string, r@ >asm-name !
2277: aprim-nr @ r> >asm-dummyaddr ! ;
2278:
2279: Defer setup-prim-semantics
2280:
1.112 jwilke 2281: : mapprim ( "forthname" "asmlabel" -- )
1.103 jwilke 2282: THeader -1 aprim-nr +! aprim-nr @ T A, H
2283: asmprimname,
2284: setup-prim-semantics ;
2285:
1.112 jwilke 2286: : mapprim: ( "forthname" "asmlabel" -- )
1.103 jwilke 2287: -1 aprim-nr +! aprim-nr @
1.122 jwilke 2288: Ghost tuck swap resolve-noforwards <do:> swap tuck >magic !
1.103 jwilke 2289: asmprimname, ;
2290:
1.119 pazsan 2291: : Doer: ( cfa -- ) \ name
1.103 jwilke 2292: >in @ skip? IF 2drop EXIT THEN >in !
2293: dup 0< s" prims" T $has? H 0= and
2294: IF
2295: .sourcepos ." needs doer: " >in @ bl word count type >in ! cr
2296: THEN
1.119 pazsan 2297: Ghost
1.122 jwilke 2298: tuck swap resolve-noforwards <do:> swap >magic ! ;
1.64 pazsan 2299:
2300: Variable prim#
2301: : first-primitive ( n -- ) prim# ! ;
1.132 pazsan 2302: : group 0 word drop prim# @ 1- -$200 and prim# ! ;
1.140 pazsan 2303: : groupadd ( n -- ) drop ;
1.64 pazsan 2304: : Primitive ( -- ) \ name
1.117 pazsan 2305: >in @ skip? IF drop EXIT THEN >in !
2306: s" prims" T $has? H 0=
1.103 jwilke 2307: IF
2308: .sourcepos ." needs prim: " >in @ bl word count type >in ! cr
2309: THEN
2310: prim# @ (THeader ( S xt ghost )
1.121 jwilke 2311: ['] prim-resolved over >comp !
1.105 jwilke 2312: dup >ghost-flags <primitive> set-flag
1.122 jwilke 2313: over resolve-noforwards T A, H alias-mask flag!
1.103 jwilke 2314: -1 prim# +! ;
1.1 anton 2315: >CROSS
2316:
2317: \ Conditionals and Comments 11may93jaw
2318:
1.103 jwilke 2319: \G saves the existing cond action, this is used for redefining in
2320: \G instant
2321: Variable cond-xt-old
2322:
2323: : cond-target ( -- )
2324: \G Compiles semantic of redefined cond into new one
2325: cond-xt-old @ compile, ; immediate restrict
2326:
1.1 anton 2327: : ;Cond
2328: postpone ;
2329: swap ! ; immediate
2330:
1.103 jwilke 2331: : Cond: ( "name" -- )
2332: \g defines a conditional or another word that must
2333: \g be executed directly while compiling
2334: \g these words have no interpretative semantics by default
2335: Ghost
2336: >exec-compile
2337: dup @ cond-xt-old !
1.1 anton 2338: :NONAME ;
2339:
2340:
2341: : Comment ( -- )
1.103 jwilke 2342: >in @ Ghost swap >in ! ' swap
2343: 2dup >exec-compile ! >exec ! ;
1.1 anton 2344:
2345: Comment ( Comment \
2346:
2347: \ compile 10may93jaw
2348:
1.103 jwilke 2349: : compile ( "name" -- ) \ name
1.115 jwilke 2350: findghost
1.103 jwilke 2351: dup >exec-compile @ ?dup
2352: IF nip compile,
2353: ELSE postpone literal postpone gexecute THEN ; immediate restrict
2354:
1.52 jwilke 2355: >TARGET
2356:
1.105 jwilke 2357: : ' ( -- xt )
2358: \G returns the target-cfa of a ghost
1.52 jwilke 2359: bl word gfind 0= ABORT" CROSS: Ghost don't exists"
1.105 jwilke 2360: g>xt ;
1.52 jwilke 2361:
1.103 jwilke 2362: \ FIXME: this works for the current use cases, but is not
2363: \ in all cases correct ;-)
2364: : comp' X ' 0 ;
2365:
1.52 jwilke 2366: Cond: ['] T ' H alit, ;Cond
2367:
2368: >CROSS
2369:
2370: : [T']
2371: \ returns the target-cfa of a ghost, or compiles it as literal
1.115 jwilke 2372: postpone [G']
2373: state @ IF postpone g>xt ELSE g>xt THEN ; immediate
1.42 pazsan 2374:
1.52 jwilke 2375: \ \ threading modell 13dec92py
2376: \ modularized 14jun97jaw
2377:
1.106 jwilke 2378: T 2 cells H Value xt>body
1.52 jwilke 2379:
1.103 jwilke 2380: : (>body) ( cfa -- pfa )
1.105 jwilke 2381: xt>body + ; ' (>body) plugin-of t>body
2382:
2383: : fillcfa ( usedcells -- )
1.106 jwilke 2384: T cells H xt>body swap -
1.105 jwilke 2385: assert1( dup 0 >= )
2386: 0 ?DO 0 X c, tchar +LOOP ;
1.52 jwilke 2387:
1.103 jwilke 2388: : (doer,) ( ghost -- )
1.105 jwilke 2389: addr, 1 fillcfa ; ' (doer,) plugin-of doer,
1.52 jwilke 2390:
1.105 jwilke 2391: : (docol,) ( -- ) [G'] :docol (doer,) ; ' (docol,) plugin-of docol,
1.52 jwilke 2392:
1.121 jwilke 2393: ' NOOP plugin-of ca>native
2394:
1.52 jwilke 2395: : (doprim,) ( -- )
1.105 jwilke 2396: there xt>body + ca>native T a, H 1 fillcfa ; ' (doprim,) plugin-of doprim,
1.52 jwilke 2397:
2398: : (doeshandler,) ( -- )
1.119 pazsan 2399: T cfalign H [G'] :doesjump addr, T 0 , H ; ' (doeshandler,) plugin-of doeshandler,
1.52 jwilke 2400:
2401: : (dodoes,) ( does-action-ghost -- )
1.119 pazsan 2402: ]comp [G'] :dodoes addr, comp[
1.52 jwilke 2403: addr,
1.103 jwilke 2404: \ the relocator in the c engine, does not like the
2405: \ does-address to marked for relocation
2406: [ T e? ec H 0= [IF] ] T here H tcell - reloff [ [THEN] ]
1.105 jwilke 2407: 2 fillcfa ; ' (dodoes,) plugin-of dodoes,
1.52 jwilke 2408:
1.107 jwilke 2409: : (dlit,) ( n -- ) compile lit td, ; ' (dlit,) plugin-of dlit,
2410:
2411: : (lit,) ( n -- ) s>d dlit, ; ' (lit,) plugin-of lit,
1.52 jwilke 2412:
1.67 jwilke 2413: \ if we dont produce relocatable code alit, defaults to lit, jaw
1.84 jwilke 2414: \ this is just for convenience, so we don't have to define alit,
2415: \ seperately for embedded systems....
2416: T has? relocate H
1.67 jwilke 2417: [IF]
1.105 jwilke 2418: : (alit,) ( n -- ) compile lit T a, H ; ' (alit,) plugin-of alit,
1.67 jwilke 2419: [ELSE]
1.105 jwilke 2420: : (alit,) ( n -- ) lit, ; ' (alit,) plugin-of alit,
1.67 jwilke 2421: [THEN]
1.52 jwilke 2422:
1.105 jwilke 2423: : (fini,) compile ;s ; ' (fini,) plugin-of fini,
1.42 pazsan 2424:
1.43 pazsan 2425: [IFUNDEF] (code)
2426: Defer (code)
2427: Defer (end-code)
2428: [THEN]
2429:
1.1 anton 2430: >TARGET
1.43 pazsan 2431: : Code
1.52 jwilke 2432: defempty?
1.121 jwilke 2433: (THeader ( ghost )
2434: ['] prim-resolved over >comp !
1.122 jwilke 2435: there resolve-noforwards
1.121 jwilke 2436:
1.53 jwilke 2437: [ T e? prims H 0= [IF] T e? ITC H [ELSE] true [THEN] ] [IF]
1.52 jwilke 2438: doprim,
1.48 anton 2439: [THEN]
2440: depth (code) ;
1.43 pazsan 2441:
1.121 jwilke 2442: \ FIXME : no-compile -1 ABORT" this ghost is not for compilation" ;
2443:
1.43 pazsan 2444: : Code:
1.52 jwilke 2445: defempty?
1.121 jwilke 2446: Ghost >r
1.123 jwilke 2447: r@ >ghostname there symentry
1.122 jwilke 2448: r@ there ca>native resolve-noforwards
1.121 jwilke 2449: <do:> r@ >magic !
2450: r> drop
1.43 pazsan 2451: depth (code) ;
2452:
2453: : end-code
1.52 jwilke 2454: (end-code)
1.43 pazsan 2455: depth ?dup IF 1- <> ABORT" CROSS: Stack changed"
2456: ELSE true ABORT" CROSS: Stack empty" THEN
1.52 jwilke 2457: ;
1.14 anton 2458:
1.1 anton 2459: >CROSS
1.52 jwilke 2460:
1.1 anton 2461: \ tLiteral 12dec92py
2462:
2463: >TARGET
1.40 pazsan 2464: Cond: \G T-\G ;Cond
2465:
1.105 jwilke 2466: Cond: Literal ( n -- ) lit, ;Cond
1.103 jwilke 2467: Cond: ALiteral ( n -- ) alit, ;Cond
1.1 anton 2468:
2469: : Char ( "<char>" -- ) bl word char+ c@ ;
1.103 jwilke 2470: Cond: [Char] ( "<char>" -- ) Char lit, ;Cond
2471:
1.139 jwilke 2472: : (x#) ( adr len base -- )
2473: base @ >r base ! 0 0 name >number 2drop drop r> base ! ;
2474:
2475: : d# $0a (x#) ;
2476: : h# $010 (x#) ;
2477:
2478: Cond: d# $0a (x#) lit, ;Cond
2479: Cond: h# $010 (x#) lit, ;Cond
2480:
1.104 jwilke 2481: tchar 1 = [IF]
1.110 jwilke 2482: Cond: chars ;Cond
1.104 jwilke 2483: [THEN]
1.1 anton 2484:
1.43 pazsan 2485: \ some special literals 27jan97jaw
2486:
2487: Cond: MAXU
1.125 jwilke 2488: -1 s>d dlit,
1.52 jwilke 2489: ;Cond
1.43 pazsan 2490:
1.125 jwilke 2491: tcell 2 = tcell 4 = or tcell 8 = or 0=
2492: [IF]
2493: .( Warning: MINI and MAXI may not work with this host) cr
2494: [THEN]
2495:
1.43 pazsan 2496: Cond: MINI
1.125 jwilke 2497: tcell 2 = IF $8000 ELSE $80000000 THEN 0
2498: tcell 8 = IF swap THEN dlit,
1.52 jwilke 2499: ;Cond
1.43 pazsan 2500:
2501: Cond: MAXI
1.125 jwilke 2502: tcell 2 = IF $7fff ELSE $7fffffff THEN 0
2503: tcell 8 = IF drop -1 swap THEN dlit,
2504: ;Cond
1.43 pazsan 2505:
1.1 anton 2506: >CROSS
1.115 jwilke 2507:
1.1 anton 2508: \ Target compiling loop 12dec92py
2509: \ ">tib trick thrown out 10may93jaw
2510: \ number? defined at the top 11may93jaw
1.77 jwilke 2511: \ replaced >in by save-input
2512:
2513: : discard 0 ?DO drop LOOP ;
1.1 anton 2514:
2515: \ compiled word might leave items on stack!
1.77 jwilke 2516: : tcom ( x1 .. xn n name -- )
2517: \ dup count type space
1.103 jwilke 2518: gfind
2519: IF >r ( discard saved input state ) discard r>
2520: dup >exec-compile @ ?dup
2521: IF nip execute-exec-compile ELSE gexecute THEN
1.77 jwilke 2522: EXIT
2523: THEN
2524: number? dup
2525: IF 0> IF swap lit, THEN lit, discard
1.103 jwilke 2526: ELSE 2drop restore-input throw Ghost gexecute THEN ;
1.1 anton 2527:
2528: \ : ; DOES> 13dec92py
2529: \ ] 9may93py/jaw
2530:
1.115 jwilke 2531: >CROSS
2532:
1.105 jwilke 2533: : compiling-state ( -- )
2534: \G set states to compililng
1.54 pazsan 2535: Compiling comp-state !
1.103 jwilke 2536: \ if we have a state in target, change it with the compile state
1.105 jwilke 2537: [G'] state dup undefined? 0=
2538: IF >ghost-xt @ execute X on ELSE drop THEN ;
2539:
2540: : interpreting-state ( -- )
2541: \G set states to interpreting
2542: \ if target has a state variable, change it according to our state
2543: [G'] state dup undefined? 0=
2544: IF >ghost-xt @ execute X off ELSE drop THEN
2545: Interpreting comp-state ! ;
1.115 jwilke 2546:
2547: >TARGET
1.105 jwilke 2548:
2549: : ]
2550: compiling-state
1.1 anton 2551: BEGIN
1.77 jwilke 2552: BEGIN save-input bl word
2553: dup c@ 0= WHILE drop discard refill 0=
1.1 anton 2554: ABORT" CROSS: End of file while target compiling"
2555: REPEAT
2556: tcom
1.103 jwilke 2557: compiling? 0=
1.1 anton 2558: UNTIL ;
2559:
2560: \ by the way: defining a second interpreter (a compiler-)loop
2561: \ is not allowed if a system should be ans conform
2562:
1.110 jwilke 2563: : (:) ( ghost -- )
2564: \ common factor of : and :noname. Prepare ;Resolve and start definition
2565: ;Resolve ! there ;Resolve cell+ !
2566: docol, ]comp colon-start depth T ] H ;
2567:
1.1 anton 2568: : : ( -- colon-sys ) \ Name
1.52 jwilke 2569: defempty?
2570: constflag off \ don't let this flag work over colon defs
2571: \ just to go sure nothing unwanted happens
1.43 pazsan 2572: >in @ skip? IF drop skip-defs EXIT THEN >in !
1.110 jwilke 2573: (THeader (:) ;
1.1 anton 2574:
1.37 pazsan 2575: : :noname ( -- colon-sys )
1.110 jwilke 2576: X cfalign there
2577: \ define a nameless ghost
2578: here ghostheader dup last-header-ghost ! dup to lastghost
2579: (:) ;
1.37 pazsan 2580:
1.103 jwilke 2581: Cond: EXIT ( -- ) compile ;S ;Cond
1.6 anton 2582:
2583: Cond: ?EXIT ( -- ) 1 abort" CROSS: using ?exit" ;Cond
1.2 pazsan 2584:
1.52 jwilke 2585: >CROSS
2586: : LastXT ;Resolve @ 0= abort" CROSS: no definition for LastXT"
2587: ;Resolve cell+ @ ;
2588:
2589: >TARGET
2590:
1.103 jwilke 2591: Cond: recurse ( -- ) Last-Header-Ghost @ gexecute ;Cond
1.52 jwilke 2592:
1.103 jwilke 2593: Cond: ; ( -- )
1.105 jwilke 2594: depth ?dup
2595: IF 1- <> ABORT" CROSS: Stack changed"
2596: ELSE true ABORT" CROSS: Stack empty"
2597: THEN
2598: colon-end
2599: fini,
2600: comp[
2601: ;Resolve @
1.118 pazsan 2602: IF ['] colon-resolved ;Resolve @ >comp !
2603: ;Resolve @ ;Resolve cell+ @ resolve
1.105 jwilke 2604: THEN
2605: interpreting-state
2606: ;Cond
2607:
2608: Cond: [ ( -- ) interpreting-state ;Cond
1.1 anton 2609:
2610: >CROSS
1.54 pazsan 2611:
1.117 pazsan 2612: 0 Value created
1.54 pazsan 2613:
1.52 jwilke 2614: : !does ( does-action -- )
1.54 pazsan 2615: tlastcfa @ [G'] :dovar killref
1.117 pazsan 2616: >space here >r ghostheader space>
1.121 jwilke 2617: ['] colon-resolved r@ >comp !
1.117 pazsan 2618: r@ created >do:ghost ! r@ swap resolve
2619: r> tlastcfa @ >tempdp dodoes, tempdp> ;
1.103 jwilke 2620:
1.147 pazsan 2621: Defer instant-interpret-does>-hook ' noop IS instant-interpret-does>-hook
1.103 jwilke 2622:
1.134 pazsan 2623: T has? peephole H [IF]
1.118 pazsan 2624: : does-resolved ( ghost -- )
2625: compile does-exec g>xt T a, H ;
1.134 pazsan 2626: [ELSE]
2627: : does-resolved ( ghost -- )
2628: g>xt T a, H ;
2629: [THEN]
1.118 pazsan 2630:
1.103 jwilke 2631: : resolve-does>-part ( -- )
2632: \ resolve words made by builders
1.105 jwilke 2633: Last-Header-Ghost @ >do:ghost @ ?dup
1.117 pazsan 2634: IF there resolve THEN ;
1.103 jwilke 2635:
1.1 anton 2636: >TARGET
1.103 jwilke 2637: Cond: DOES>
1.146 anton 2638: T here 5 cells H + alit, compile (does>2) compile ;s
1.144 pazsan 2639: doeshandler, resolve-does>-part
1.1 anton 2640: ;Cond
1.103 jwilke 2641:
1.118 pazsan 2642: : DOES>
2643: ['] does-resolved created >comp !
2644: switchrom doeshandler, T here H !does
2645: instant-interpret-does>-hook
2646: depth T ] H ;
1.1 anton 2647:
2648: >CROSS
1.108 jwilke 2649: \ Creation 01nov92py
1.1 anton 2650:
2651: \ Builder 11may93jaw
2652:
1.108 jwilke 2653: 0 Value built
2654:
1.105 jwilke 2655: : Builder ( Create-xt do-ghost "name" -- )
1.52 jwilke 2656: \ builds up a builder in current vocabulary
2657: \ create-xt is executed when word is interpreted
1.106 jwilke 2658: \ do:-xt is executed when the created word from builder is executed
1.105 jwilke 2659: \ for do:-xt an additional entry after the normal ghost-entrys is used
1.52 jwilke 2660:
1.109 jwilke 2661: ghost to built
1.108 jwilke 2662: built >created @ 0= IF
2663: built >created on
2664: THEN ;
1.1 anton 2665:
1.52 jwilke 2666: : gdoes, ( ghost -- )
2667: \ makes the codefield for a word that is built
1.103 jwilke 2668: >do:ghost @ dup undefined? 0=
1.52 jwilke 2669: IF
1.42 pazsan 2670: dup >magic @ <do:> =
1.54 pazsan 2671: IF doer,
2672: ELSE dodoes,
2673: THEN
2674: EXIT
1.52 jwilke 2675: THEN
2676: \ compile :dodoes gexecute
2677: \ T here H tcell - reloff
1.54 pazsan 2678: 2 refered
2679: 0 fillcfa
2680: ;
1.1 anton 2681:
1.103 jwilke 2682: : takeover-x-semantics ( S constructor-ghost new-ghost -- )
1.117 pazsan 2683: \g stores execution semantic and compilation semantic in the built word
2684: swap >do:ghost @ 2dup swap >do:ghost !
1.110 jwilke 2685: \ we use the >exec2 field for the semantic of a created word,
2686: \ using exec or exec2 makes no difference for normal cross-compilation
2687: \ but is usefull for instant where the exec field is already
2688: \ defined (e.g. Vocabularies)
1.105 jwilke 2689: 2dup >exec @ swap >exec2 !
2690: >comp @ swap >comp ! ;
1.103 jwilke 2691:
1.118 pazsan 2692: 0 Value createhere
2693:
2694: : create-resolve ( -- )
2695: created createhere resolve 0 ;Resolve ! ;
2696: : create-resolve-immediate ( -- )
2697: create-resolve T immediate H ;
2698:
1.52 jwilke 2699: : TCreate ( <name> -- )
2700: create-forward-warn
2701: IF ['] reswarn-forward IS resolve-warning THEN
1.103 jwilke 2702: executed-ghost @ (Theader
1.117 pazsan 2703: dup >created on dup to created
1.118 pazsan 2704: 2dup takeover-x-semantics
2705: there to createhere drop gdoes, ;
1.52 jwilke 2706:
2707: : RTCreate ( <name> -- )
2708: \ creates a new word with code-field in ram
2709: create-forward-warn
2710: IF ['] reswarn-forward IS resolve-warning THEN
2711: \ make Alias
1.103 jwilke 2712: executed-ghost @ (THeader
1.118 pazsan 2713: dup >created on dup to created
1.103 jwilke 2714: 2dup takeover-x-semantics
1.105 jwilke 2715: there 0 T a, H alias-mask flag!
1.103 jwilke 2716: \ store poiter to code-field
1.52 jwilke 2717: switchram T cfalign H
2718: there swap T ! H
2719: there tlastcfa !
1.118 pazsan 2720: there to createhere drop gdoes, ;
1.1 anton 2721:
2722: : Build: ( -- [xt] [colon-sys] )
1.52 jwilke 2723: :noname postpone TCreate ;
2724:
2725: : BuildSmart: ( -- [xt] [colon-sys] )
2726: :noname
1.53 jwilke 2727: [ T has? rom H [IF] ]
1.52 jwilke 2728: postpone RTCreate
2729: [ [ELSE] ]
2730: postpone TCreate
2731: [ [THEN] ] ;
1.1 anton 2732:
1.108 jwilke 2733: : ;Build
1.118 pazsan 2734: postpone create-resolve postpone ; built >exec ! ; immediate
2735:
2736: : ;Build-immediate
2737: postpone create-resolve-immediate
2738: postpone ; built >exec ! ; immediate
1.108 jwilke 2739:
1.1 anton 2740: : gdoes> ( ghost -- addr flag )
1.110 jwilke 2741: executed-ghost @ g>body ;
1.1 anton 2742:
2743: \ DO: ;DO 11may93jaw
2744:
1.108 jwilke 2745: : do:ghost! ( ghost -- ) built >do:ghost ! ;
2746: : doexec! ( xt -- ) built >do:ghost @ >exec ! ;
2747:
2748: : DO: ( -- [xt] [colon-sys] )
2749: here ghostheader do:ghost!
1.110 jwilke 2750: :noname postpone gdoes> ;
1.1 anton 2751:
1.108 jwilke 2752: : by: ( -- [xt] [colon-sys] ) \ name
2753: Ghost do:ghost!
1.110 jwilke 2754: :noname postpone gdoes> ;
1.42 pazsan 2755:
1.108 jwilke 2756: : ;DO ( [xt] [colon-sys] -- )
2757: postpone ; doexec! ; immediate
1.1 anton 2758:
1.109 jwilke 2759: : by ( -- ) \ Name
1.108 jwilke 2760: Ghost >do:ghost @ do:ghost! ;
1.107 jwilke 2761:
1.109 jwilke 2762: : compile: ( --[xt] [colon-sys] )
1.107 jwilke 2763: \G defines a compile time action for created words
2764: \G by this builder
2765: :noname ;
2766:
1.109 jwilke 2767: : ;compile ( [xt] [colon-sys] -- )
2768: postpone ; built >do:ghost @ >comp ! ; immediate
1.107 jwilke 2769:
1.1 anton 2770: \ Variables and Constants 05dec92py
2771:
1.108 jwilke 2772: Builder (Constant)
2773: Build: ( n -- ) ;Build
1.103 jwilke 2774: by: :docon ( target-body-addr -- n ) T @ H ;DO
1.52 jwilke 2775:
1.108 jwilke 2776: Builder Constant
2777: Build: ( n -- ) T , H ;Build
1.52 jwilke 2778: by (Constant)
2779:
1.108 jwilke 2780: Builder AConstant
2781: Build: ( n -- ) T A, H ;Build
1.52 jwilke 2782: by (Constant)
2783:
1.108 jwilke 2784: Builder 2Constant
2785: Build: ( d -- ) T , , H ;Build
1.52 jwilke 2786: DO: ( ghost -- d ) T dup cell+ @ swap @ H ;DO
2787:
1.108 jwilke 2788: Builder Create
2789: BuildSmart: ;Build
1.103 jwilke 2790: by: :dovar ( target-body-addr -- addr ) ;DO
1.1 anton 2791:
1.108 jwilke 2792: Builder Variable
1.53 jwilke 2793: T has? rom H [IF]
1.108 jwilke 2794: Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 , H ( switchrom ) ;Build
1.52 jwilke 2795: by (Constant)
2796: [ELSE]
1.108 jwilke 2797: Build: T 0 , H ;Build
1.1 anton 2798: by Create
1.52 jwilke 2799: [THEN]
1.1 anton 2800:
1.108 jwilke 2801: Builder 2Variable
1.53 jwilke 2802: T has? rom H [IF]
1.108 jwilke 2803: Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 , 0 , H ( switchrom ) ;Build
1.54 pazsan 2804: by (Constant)
2805: [ELSE]
1.108 jwilke 2806: Build: T 0 , 0 , H ;Build
1.54 pazsan 2807: by Create
2808: [THEN]
2809:
1.108 jwilke 2810: Builder AVariable
1.54 pazsan 2811: T has? rom H [IF]
1.108 jwilke 2812: Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 A, H ( switchrom ) ;Build
1.52 jwilke 2813: by (Constant)
2814: [ELSE]
1.108 jwilke 2815: Build: T 0 A, H ;Build
1.1 anton 2816: by Create
1.52 jwilke 2817: [THEN]
1.1 anton 2818:
1.3 pazsan 2819: \ User variables 04may94py
2820:
1.139 jwilke 2821: : tup@ user-region >rstart @ ;
2822:
2823: \ Variable tup 0 tup !
2824: \ Variable tudp 0 tudp !
1.78 jwilke 2825:
1.3 pazsan 2826: : u, ( n -- udp )
1.153 pazsan 2827: current-region >r user-region activate
2828: X here swap X , tup@ -
1.139 jwilke 2829: r> activate ;
1.78 jwilke 2830:
1.3 pazsan 2831: : au, ( n -- udp )
1.139 jwilke 2832: current-region >r user-region activate
2833: X here swap X a, tup@ -
2834: r> activate ;
2835:
2836: T has? no-userspace H [IF]
2837:
2838: : buildby
2839: ghost >exec @ built >exec ! ;
2840:
2841: Builder User
2842: buildby Variable
2843: by Variable
2844:
2845: Builder 2User
2846: buildby 2Variable
2847: by 2Variable
2848:
2849: Builder AUser
2850: buildby AVariable
2851: by AVariable
2852:
2853: [ELSE]
1.78 jwilke 2854:
1.108 jwilke 2855: Builder User
2856: Build: 0 u, X , ;Build
1.139 jwilke 2857: by: :douser ( ghost -- up-addr ) X @ tup@ + ;DO
1.1 anton 2858:
1.108 jwilke 2859: Builder 2User
2860: Build: 0 u, X , 0 u, drop ;Build
1.3 pazsan 2861: by User
1.1 anton 2862:
1.108 jwilke 2863: Builder AUser
2864: Build: 0 au, X , ;Build
1.3 pazsan 2865: by User
1.1 anton 2866:
1.139 jwilke 2867: [THEN]
2868:
1.108 jwilke 2869: Builder (Value)
2870: Build: ( n -- ) ;Build
2871: by: :docon ( target-body-addr -- n ) T @ H ;DO
2872:
1.1 anton 2873: Builder Value
1.108 jwilke 2874: BuildSmart: T , H ;Build
2875: by (Value)
1.1 anton 2876:
1.32 pazsan 2877: Builder AValue
1.108 jwilke 2878: BuildSmart: T A, H ;Build
2879: by (Value)
1.32 pazsan 2880:
1.103 jwilke 2881: Defer texecute
2882:
1.108 jwilke 2883: Builder Defer
2884: BuildSmart: ( -- ) [T'] noop T A, H ;Build
1.103 jwilke 2885: by: :dodefer ( ghost -- ) X @ texecute ;DO
1.37 pazsan 2886:
1.108 jwilke 2887: Builder interpret/compile:
1.118 pazsan 2888: Build: ( inter comp -- ) swap T A, A, H ;Build-immediate
1.37 pazsan 2889: DO: ( ghost -- ) ABORT" CROSS: Don't execute" ;DO
1.24 pazsan 2890:
2891: \ Sturctures 23feb95py
2892:
2893: : nalign ( addr1 n -- addr2 )
2894: \ addr2 is the aligned version of addr1 wrt the alignment size n
2895: 1- tuck + swap invert and ;
1.109 jwilke 2896:
1.24 pazsan 2897:
1.108 jwilke 2898: Builder (Field)
2899: Build: ;Build
1.44 pazsan 2900: by: :dofield T @ H + ;DO
2901:
1.108 jwilke 2902: Builder Field
1.51 anton 2903: Build: ( align1 offset1 align size "name" -- align2 offset2 )
2904: rot dup T , H ( align1 align size offset1 )
1.108 jwilke 2905: + >r nalign r> ;Build
1.44 pazsan 2906: by (Field)
1.24 pazsan 2907:
1.109 jwilke 2908: >TARGET
1.51 anton 2909: : struct T 1 chars 0 H ;
1.24 pazsan 2910: : end-struct T 2Constant H ;
2911:
1.52 jwilke 2912: : cell% ( n -- size align )
1.51 anton 2913: T 1 cells H dup ;
1.109 jwilke 2914: >CROSS
1.88 pazsan 2915:
1.105 jwilke 2916: \ Input-Methods 01py
1.103 jwilke 2917:
1.108 jwilke 2918: Builder input-method
2919: Build: ( m v -- m' v ) dup T , cell+ H ;Build
1.88 pazsan 2920: DO: abort" Not in cross mode" ;DO
2921:
1.108 jwilke 2922: Builder input-var
2923: Build: ( m v size -- m v' ) over T , H + ;Build
1.88 pazsan 2924: DO: abort" Not in cross mode" ;DO
1.24 pazsan 2925:
1.108 jwilke 2926: \ Peephole optimization 05sep01jaw
2927:
2928: \ this section defines different compilation
2929: \ actions for created words
2930: \ this will help the peephole optimizer
1.121 jwilke 2931: \ I (jaw) took this from bernds latest cross-compiler
1.108 jwilke 2932: \ changes but seperated it from the original
2933: \ Builder words. The final plan is to put this
2934: \ into a seperate file, together with the peephole
2935: \ optimizer for cross
2936:
2937:
2938: T has? peephole H [IF]
2939:
1.139 jwilke 2940: \ .( loading peephole optimization) cr
2941:
1.109 jwilke 2942: >CROSS
1.118 pazsan 2943:
1.109 jwilke 2944: : (callc) compile call T >body a, H ; ' (callc) plugin-of colon,
1.121 jwilke 2945: : (callcm) T here 0 a, 0 a, H ; ' (callcm) plugin-of colonmark,
1.118 pazsan 2946: : (call-res) >tempdp resolved gexecute tempdp> drop ;
2947: ' (call-res) plugin-of colon-resolve
1.121 jwilke 2948: : (pprim) dup 0< IF $4000 - ELSE
2949: cr ." wrong usage of (prim) "
2950: dup gdiscover IF .ghost ELSE . THEN cr -1 throw THEN
2951: T a, H ; ' (pprim) plugin-of prim,
1.109 jwilke 2952:
2953: \ if we want this, we have to spilt aconstant
2954: \ and constant!!
2955: \ Builder (Constant)
2956: \ compile: g>body X @ lit, ;compile
1.108 jwilke 2957:
2958: Builder (Constant)
1.118 pazsan 2959: compile: g>body compile lit@ T a, H ;compile
1.108 jwilke 2960:
2961: Builder (Value)
1.118 pazsan 2962: compile: g>body compile lit@ T a, H ;compile
1.108 jwilke 2963:
2964: \ this changes also Variable, AVariable and 2Variable
2965: Builder Create
1.117 pazsan 2966: compile: g>body alit, ;compile
1.108 jwilke 2967:
2968: Builder User
2969: compile: g>body compile useraddr T @ , H ;compile
2970:
2971: Builder Defer
1.118 pazsan 2972: compile: g>body compile lit-perform T A, H ;compile
1.102 jwilke 2973:
1.108 jwilke 2974: Builder (Field)
1.118 pazsan 2975: compile: g>body T @ H compile lit+ T , H ;compile
1.117 pazsan 2976:
2977: Builder interpret/compile:
2978: compile: does-resolved ;compile
2979:
2980: Builder input-method
2981: compile: does-resolved ;compile
2982:
2983: Builder input-var
2984: compile: does-resolved ;compile
1.102 jwilke 2985:
1.108 jwilke 2986: [THEN]
1.103 jwilke 2987:
1.52 jwilke 2988: \ structural conditionals 17dec92py
2989:
2990: >CROSS
1.103 jwilke 2991: : (ncontrols?) ( n -- )
2992: \g We expect n open control structures
2993: depth over u<=
2994: ABORT" CROSS: unstructured, stack underflow"
2995: 0 ?DO I pick 0=
2996: ABORT" CROSS: unstructured"
2997: LOOP ; ' (ncontrols?) plugin-of ncontrols?
2998:
2999: \ : ?struc ( flag -- ) ABORT" CROSS: unstructured " ;
3000: \ : sys? ( sys -- sys ) dup 0= ?struc ;
3001:
1.52 jwilke 3002: : >mark ( -- sys ) T here ( dup ." M" hex. ) 0 , H ;
3003:
1.133 pazsan 3004: X has? abranch [IF]
3005: : branchoffset ( src dest -- ) drop ;
3006: : offset, ( n -- ) X A, ;
3007: [ELSE]
3008: : branchoffset ( src dest -- ) - tchar / ; \ ?? jaw
3009: : offset, ( n -- ) X , ;
3010: [THEN]
1.52 jwilke 3011:
1.133 pazsan 3012: :noname compile branch X here branchoffset offset, ;
1.54 pazsan 3013: IS branch, ( target-addr -- )
1.133 pazsan 3014: :noname compile ?branch X here branchoffset offset, ;
1.54 pazsan 3015: IS ?branch, ( target-addr -- )
1.133 pazsan 3016: :noname compile branch T here 0 H offset, ;
1.54 pazsan 3017: IS branchmark, ( -- branchtoken )
1.133 pazsan 3018: :noname compile ?branch T here 0 H offset, ;
1.54 pazsan 3019: IS ?branchmark, ( -- branchtoken )
1.133 pazsan 3020: :noname T here 0 H offset, ;
1.54 pazsan 3021: IS ?domark, ( -- branchtoken )
1.78 jwilke 3022: :noname dup X @ ?struc X here over branchoffset swap X ! ;
1.54 pazsan 3023: IS branchtoresolve, ( branchtoken -- )
1.78 jwilke 3024: :noname branchto, X here ;
1.54 pazsan 3025: IS branchtomark, ( -- target-addr )
1.52 jwilke 3026:
3027: >TARGET
3028:
3029: \ Structural Conditionals 12dec92py
3030:
1.103 jwilke 3031: \ CLEANUP Cond: BUT sys? swap ;Cond
3032: \ CLEANUP Cond: YET sys? dup ;Cond
1.52 jwilke 3033:
3034: >CROSS
3035:
1.78 jwilke 3036: Variable tleavings 0 tleavings !
1.52 jwilke 3037:
1.129 jwilke 3038: : (done) ( do-addr -- )
3039: \G resolve branches of leave and ?leave and ?do
3040: \G do-addr is the address of the beginning of our
3041: \G loop so we can take care of nested loops
1.54 pazsan 3042: tleavings @
3043: BEGIN dup
3044: WHILE
3045: >r dup r@ cell+ @ \ address of branch
3046: u> 0= \ lower than DO?
3047: WHILE
3048: r@ 2 cells + @ \ branch token
3049: branchtoresolve,
3050: r@ @ r> free throw
3051: REPEAT r> THEN
3052: tleavings ! drop ;
3053:
1.53 jwilke 3054: >TARGET
3055:
1.103 jwilke 3056: \ What for? ANS? JAW Cond: DONE ( addr -- ) (done) ;Cond
1.53 jwilke 3057:
3058: >CROSS
1.54 pazsan 3059: : (leave) ( branchtoken -- )
1.53 jwilke 3060: 3 cells allocate throw >r
3061: T here H r@ cell+ !
3062: r@ 2 cells + !
3063: tleavings @ r@ !
3064: r> tleavings ! ;
3065: >TARGET
3066:
1.103 jwilke 3067: : (leave,) ( -- )
3068: branchmark, (leave) ; ' (leave,) plugin-of leave,
3069:
3070: : (?leave,) ( -- )
3071: compile 0= ?branchmark, (leave) ; ' (?leave,) plugin-of ?leave,
3072:
3073: Cond: LEAVE leave, ;Cond
3074: Cond: ?LEAVE ?leave, ;Cond
1.53 jwilke 3075:
1.54 pazsan 3076: >CROSS
3077: \ !!JW ToDo : Move to general tools section
3078:
3079: : to1 ( x1 x2 xn n -- addr )
1.103 jwilke 3080: \G packs n stack elements in am allocated memory region
1.54 pazsan 3081: dup dup 1+ cells allocate throw dup >r swap 1+
3082: 0 DO tuck ! cell+ LOOP
3083: drop r> ;
1.103 jwilke 3084:
1.54 pazsan 3085: : 1to ( addr -- x1 x2 xn )
3086: \G unpacks the elements saved by to1
3087: dup @ swap over cells + swap
3088: 0 DO dup @ swap 1 cells - LOOP
3089: free throw ;
3090:
1.129 jwilke 3091: : loop] ( target-addr -- )
3092: branchto,
1.133 pazsan 3093: dup X here branchoffset offset,
1.129 jwilke 3094: tcell - (done) ;
1.54 pazsan 3095:
3096: : skiploop] ?dup IF branchto, branchtoresolve, THEN ;
3097:
3098: >TARGET
3099:
1.52 jwilke 3100: \ Structural Conditionals 12dec92py
3101:
1.103 jwilke 3102: : (cs-swap) ( x1 x2 -- x2 x1 )
3103: swap ; ' (cs-swap) plugin-of cs-swap
3104:
3105: : (ahead,) branchmark, ; ' (ahead,) plugin-of ahead,
3106:
3107: : (if,) ?branchmark, ; ' (if,) plugin-of if,
3108:
3109: : (then,) branchto, branchtoresolve, ; ' (then,) plugin-of then,
3110:
3111: : (else,) ( ahead ) branchmark,
3112: swap
3113: ( then ) branchto, branchtoresolve, ; ' (else,) plugin-of else,
3114:
3115: : (begin,) branchtomark, ; ' (begin,) plugin-of begin,
3116:
3117: : (while,) ( if ) ?branchmark,
3118: swap ; ' (while,) plugin-of while,
3119:
3120: : (again,) branch, ; ' (again,) plugin-of again,
3121:
3122: : (until,) ?branch, ; ' (until,) plugin-of until,
3123:
3124: : (repeat,) ( again ) branch,
3125: ( then ) branchto, branchtoresolve, ; ' (repeat,) plugin-of repeat,
3126:
3127: : (case,) ( -- n )
3128: 0 ; ' (case,) plugin-of case,
3129:
3130: : (of,) ( n -- x1 n )
3131: 1+ >r
3132: compile over compile =
3133: if, compile drop r> ; ' (of,) plugin-of of,
3134:
3135: : (endof,) ( x1 n -- x2 n )
3136: >r 1 ncontrols? else, r> ; ' (endof,) plugin-of endof,
3137:
3138: : (endcase,) ( x1 .. xn n -- )
3139: compile drop 0 ?DO 1 ncontrols? then, LOOP ; ' (endcase,) plugin-of endcase,
3140:
1.53 jwilke 3141: >TARGET
1.103 jwilke 3142: Cond: AHEAD ahead, ;Cond
3143: Cond: IF if, ;Cond
3144: Cond: THEN 1 ncontrols? then, ;Cond
3145: Cond: ENDIF 1 ncontrols? then, ;Cond
3146: Cond: ELSE 1 ncontrols? else, ;Cond
3147:
3148: Cond: BEGIN begin, ;Cond
3149: Cond: WHILE 1 ncontrols? while, ;Cond
3150: Cond: AGAIN 1 ncontrols? again, ;Cond
3151: Cond: UNTIL 1 ncontrols? until, ;Cond
3152: Cond: REPEAT 2 ncontrols? repeat, ;Cond
3153:
3154: Cond: CASE case, ;Cond
3155: Cond: OF of, ;Cond
3156: Cond: ENDOF endof, ;Cond
3157: Cond: ENDCASE endcase, ;Cond
1.1 anton 3158:
3159: \ Structural Conditionals 12dec92py
3160:
1.103 jwilke 3161: : (do,) ( -- target-addr )
3162: \ ?? i think 0 is too much! jaw
1.54 pazsan 3163: 0 compile (do)
1.103 jwilke 3164: branchtomark, 2 to1 ; ' (do,) plugin-of do,
1.54 pazsan 3165:
1.103 jwilke 3166: \ alternative for if no ?do
3167: \ : (do,)
1.54 pazsan 3168: \ compile 2dup compile = compile IF
3169: \ compile 2drop compile ELSE
3170: \ compile (do) branchtomark, 2 to1 ;
3171:
1.103 jwilke 3172: : (?do,) ( -- target-addr )
1.54 pazsan 3173: 0 compile (?do) ?domark, (leave)
1.103 jwilke 3174: branchtomark, 2 to1 ; ' (?do,) plugin-of ?do,
3175:
3176: : (for,) ( -- target-addr )
3177: compile (for) branchtomark, ; ' (for,) plugin-of for,
3178:
3179: : (loop,) ( target-addr -- )
3180: 1to compile (loop) loop]
3181: compile unloop skiploop] ; ' (loop,) plugin-of loop,
3182:
3183: : (+loop,) ( target-addr -- )
3184: 1to compile (+loop) loop]
3185: compile unloop skiploop] ; ' (+loop,) plugin-of +loop,
3186:
3187: : (next,)
3188: compile (next) loop] compile unloop ; ' (next,) plugin-of next,
3189:
3190: Cond: DO do, ;Cond
3191: Cond: ?DO ?do, ;Cond
3192: Cond: FOR for, ;Cond
3193:
3194: Cond: LOOP 1 ncontrols? loop, ;Cond
3195: Cond: +LOOP 1 ncontrols? +loop, ;Cond
3196: Cond: NEXT 1 ncontrols? next, ;Cond
1.52 jwilke 3197:
1.1 anton 3198: \ String words 23feb93py
3199:
1.103 jwilke 3200: : ," [char] " parse ht-string, X align ;
1.1 anton 3201:
1.130 pazsan 3202: X has? control-rack [IF]
1.103 jwilke 3203: Cond: ." compile (.") T ," H ;Cond
3204: Cond: S" compile (S") T ," H ;Cond
3205: Cond: C" compile (C") T ," H ;Cond
3206: Cond: ABORT" compile (ABORT") T ," H ;Cond
1.130 pazsan 3207: [ELSE]
3208: Cond: ." '" parse tuck 2>r ahead, there 2r> ht-mem, X align
3209: >r then, r> compile ALiteral compile Literal compile type ;Cond
3210: Cond: S" '" parse tuck 2>r ahead, there 2r> ht-mem, X align
3211: >r then, r> compile ALiteral compile Literal ;Cond
3212: Cond: C" ahead, there [char] " parse ht-string, X align
3213: >r then, r> compile ALiteral ;Cond
3214: Cond: ABORT" if, ahead, there [char] " parse ht-string, X align
3215: >r then, r> compile ALiteral compile c(abort") then, ;Cond
3216: [THEN]
1.1 anton 3217:
3218: Cond: IS T ' >body H compile ALiteral compile ! ;Cond
1.66 pazsan 3219: : IS T >address ' >body ! H ;
1.9 pazsan 3220: Cond: TO T ' >body H compile ALiteral compile ! ;Cond
3221: : TO T ' >body ! H ;
1.1 anton 3222:
1.52 jwilke 3223: Cond: defers T ' >body @ compile, H ;Cond
3224:
1.1 anton 3225: \ LINKED ERR" ENV" 2ENV" 18may93jaw
3226:
3227: \ linked list primitive
1.79 jwilke 3228: : linked X here over X @ X A, swap X ! ;
1.52 jwilke 3229: : chained T linked A, H ;
1.1 anton 3230:
3231: : err" s" ErrLink linked" evaluate T , H
1.103 jwilke 3232: [char] " parse ht-string, X align ;
1.1 anton 3233:
3234: : env" [char] " parse s" EnvLink linked" evaluate
1.103 jwilke 3235: ht-string, X align X , ;
1.1 anton 3236:
3237: : 2env" [char] " parse s" EnvLink linked" evaluate
1.103 jwilke 3238: here >r ht-string, X align X , X ,
1.1 anton 3239: r> dup T c@ H 80 and swap T c! H ;
3240:
3241: \ compile must be last 22feb93py
3242:
1.103 jwilke 3243: Cond: [compile] ( -- ) \ name
3244: \g For immediate words, works even if forward reference
3245: bl word gfind 0= ABORT" CROSS: Can't compile"
3246: (gexecute) ;Cond
3247:
3248: Cond: postpone ( -- ) \ name
3249: bl word gfind 0= ABORT" CROSS: Can't compile"
3250: dup >magic @ <fwd> =
3251: ABORT" CROSS: Can't postpone on forward declaration"
3252: dup >magic @ <imm> =
3253: IF (gexecute)
1.143 pazsan 3254: ELSE >link @ alit, compile compile, THEN ;Cond
1.54 pazsan 3255:
1.77 jwilke 3256: \ save-cross 17mar93py
3257:
3258: hex
3259:
3260: >CROSS
1.131 anton 3261: Create magic s" Gforth3x" here over allot swap move
1.77 jwilke 3262:
3263: bigendian 1+ \ strangely, in magic big=0, little=1
3264: tcell 1 = 0 and or
3265: tcell 2 = 2 and or
3266: tcell 4 = 4 and or
3267: tcell 8 = 6 and or
3268: tchar 1 = 00 and or
3269: tchar 2 = 28 and or
3270: tchar 4 = 50 and or
3271: tchar 8 = 78 and or
3272: magic 7 + c!
3273:
3274: : save-cross ( "image-name" "binary-name" -- )
1.152 pazsan 3275: .regions \ s" ec" X $has? IF .regions THEN
1.77 jwilke 3276: bl parse ." Saving to " 2dup type cr
3277: w/o bin create-file throw >r
1.113 jwilke 3278: s" header" X $has? IF
1.80 anton 3279: s" #! " r@ write-file throw
3280: bl parse r@ write-file throw
3281: s" --image-file" r@ write-file throw
1.77 jwilke 3282: #lf r@ emit-file throw
3283: r@ dup file-position throw drop 8 mod 8 swap ( file-id limit index )
3284: ?do
3285: bl over emit-file throw
3286: loop
3287: drop
3288: magic 8 r@ write-file throw \ write magic
3289: ELSE
3290: bl parse 2drop
3291: THEN
1.151 pazsan 3292: >rom dictionary >rmem @ there
3293: s" rom" X $has? IF dictionary >rstart @ - THEN
1.77 jwilke 3294: r@ write-file throw \ write image
1.113 jwilke 3295: s" relocate" X $has? IF
1.139 jwilke 3296: dictionary >rbm @ there 1- tcell>bit rshift 1+
1.77 jwilke 3297: r@ write-file throw \ write tags
3298: THEN
3299: r> close-file throw ;
3300:
3301: : save-region ( addr len -- )
3302: bl parse w/o bin create-file throw >r
3303: swap >image swap r@ write-file throw
3304: r> close-file throw ;
3305:
1.110 jwilke 3306: \ save-asm-region 29aug01jaw
1.103 jwilke 3307:
3308: Variable name-ptr
3309: Create name-buf 200 chars allot
3310: : init-name-buf name-buf name-ptr ! ;
3311: : nb, name-ptr @ c! 1 chars name-ptr +! ;
3312: : $nb, ( adr len -- ) bounds ?DO I c@ nb, LOOP ;
3313: : @nb name-ptr @ name-buf tuck - ;
3314:
3315: \ stores a usefull string representation of the character
3316: \ in the name buffer
3317: : name-char, ( c -- )
3318: dup 'a 'z 1+ within IF nb, EXIT THEN
3319: dup 'A 'Z 1+ within IF $20 + nb, EXIT THEN
3320: dup '0 '9 1+ within IF nb, EXIT THEN
3321: CASE '+ OF s" _PLUS" $nb, ENDOF
3322: '- OF s" _MINUS" $nb, ENDOF
3323: '* OF s" _STAR" $nb, ENDOF
3324: '/ OF s" _SLASH" $nb, ENDOF
3325: '' OF s" _TICK" $nb, ENDOF
3326: '( OF s" _OPAREN" $nb, ENDOF
3327: ') OF s" _CPAREN" $nb, ENDOF
3328: '[ OF s" _OBRACKET" $nb, ENDOF
3329: '] OF s" _CBRACKET" $nb, ENDOF
3330: '! OF s" _STORE" $nb, ENDOF
3331: '@ OF s" _FETCH" $nb, ENDOF
3332: '> OF s" _GREATER" $nb, ENDOF
3333: '< OF s" _LESS" $nb, ENDOF
3334: '= OF s" _EQUAL" $nb, ENDOF
3335: '# OF s" _HASH" $nb, ENDOF
3336: '? OF s" _QUEST" $nb, ENDOF
3337: ': OF s" _COL" $nb, ENDOF
3338: '; OF s" _SEMICOL" $nb, ENDOF
3339: ', OF s" _COMMA" $nb, ENDOF
3340: '. OF s" _DOT" $nb, ENDOF
3341: '" OF s" _DQUOT" $nb, ENDOF
3342: dup
3343: base @ >r hex s>d <# #s 'X hold '_ hold #> $nb, r> base !
3344: ENDCASE ;
3345:
3346: : label-from-ghostname ( ghost -- addr len )
3347: dup >ghostname init-name-buf 'L nb, bounds
3348: ?DO I c@ name-char, LOOP
3349: \ we add the address to a name to make in unique
3350: \ because one name may appear more then once
3351: \ there are names (e.g. boot) that may be reference from other
3352: \ assembler source files, so we declare them as unique
3353: \ and don't add the address suffix
3354: dup >ghost-flags @ <unique> and 0=
3355: IF s" __" $nb, >link @ base @ >r hex 0 <# #s 'L hold #> r> base ! $nb,
3356: ELSE drop
3357: THEN
3358: @nb ;
3359:
1.111 jwilke 3360: \ FIXME why disabled?!
1.103 jwilke 3361: : label-from-ghostnameXX ( ghost -- addr len )
3362: \ same as (label-from-ghostname) but caches generated names
3363: dup >asm-name @ ?dup IF nip count EXIT THEN
3364: \ dup >r (label-from-ghostname) 2dup
3365: align here >r string, align
3366: r> r> >asm-name ! ;
3367:
3368: : primghostdiscover ( xt -- ghost true | xt false )
3369: dup 0= IF false EXIT THEN
3370: >r last-prim-ghost
3371: BEGIN @ dup
3372: WHILE dup >asm-dummyaddr @ r@ =
3373: IF rdrop true EXIT THEN
3374: REPEAT
3375: drop r> false ;
3376:
3377: : gdiscover2 ( xt -- ghost true | xt false )
3378: dup taddr>region 0= IF false EXIT THEN
3379: dup (>regiontype) @ dup 0= IF drop false EXIT THEN
3380: addr-xt-ghost @ dup 0= IF drop false EXIT THEN
3381: nip true ;
3382: \ dup >ghost-name @ IF nip true ELSE drop false THEN ;
3383:
3384: \ generates a label name for the target address
3385: : generate-label-name ( taddr -- addr len )
3386: gdiscover2
3387: IF dup >magic @ <do:> =
3388: IF >asm-name @ count EXIT THEN
3389: label-from-ghostname
3390: ELSE
3391: primghostdiscover
3392: IF >asm-name @ count
3393: ELSE base @ >r hex 0 <# #s 'L hold #> r> base !
3394: THEN
3395: THEN ;
3396:
3397: Variable outfile-fd
3398:
3399: : $out ( adr len -- ) outfile-fd @ write-file throw ;
3400: : nlout newline $out ;
3401: : .ux ( n -- )
3402: base @ hex swap 0 <# #S #> $out base ! ;
3403:
3404: : save-asm-region-part-aligned ( taddr len -- 'taddr 'len )
3405: dup cell/ 0
3406: ?DO nlout s" .word " $out over @relbit
3407: IF over X @ generate-label-name $out
3408: ELSE over X @ s" 0x0" $out .ux
3409: THEN
3410: tcell /string
3411: LOOP ;
3412:
3413: : print-bytes ( taddr len n -- taddr' len' )
3414: over min dup 0>
3415: IF nlout s" .byte " $out 0
3416: ?DO I 0> IF s" , " $out THEN
3417: over X c@ s" 0x0" $out .ux 1 /string
3418: LOOP
3419: THEN ;
3420:
3421: : save-asm-region-part ( addr len -- )
3422: over dup X aligned swap - ?dup
3423: IF print-bytes THEN
3424: save-asm-region-part-aligned
3425: dup dup X aligned swap - ?dup
3426: IF 2 pick @relbit ABORT" relocated field splitted"
3427: print-bytes
3428: THEN
3429: 2drop ;
3430:
3431: : print-label ( taddr -- )
3432: nlout generate-label-name $out s" :" $out ;
3433:
3434: : snl-calc ( taddr taddr2 -- )
3435: tuck over - ;
3436:
3437: : skip-nolables ( taddr -- taddr2 taddr len )
3438: \G skips memory region where no lables are defined
3439: \G starting from taddr+1
3440: \G Labels will be introduced for each reference mark
3441: \G in addr-refs.
3442: \G This word deals with lables at byte addresses as well.
3443: \G The main idea is to have an intro part which
3444: \G skips until the next cell boundary, the middle part
3445: \G which skips whole cells very efficiently and the third
3446: \G part which skips the bytes to the label in a cell
3447: dup 1+ dup (>regiontype)
3448: ( S taddr taddr-realstart type-addr )
3449: dup @ dup IF addr-refs @ THEN
3450: swap >r
3451: over align+ tuck tcell swap - rshift swap 0
1.126 jwilke 3452: ?DO dup 1 and
1.103 jwilke 3453: IF drop rdrop snl-calc UNLOOP EXIT THEN
3454: 2/ swap 1+ swap
3455: LOOP
3456: drop r> cell+
3457: ( S .. taddr2 type-addr ) dup
3458: BEGIN dup @ dup IF addr-refs @ THEN 0= WHILE cell+ REPEAT
3459: dup >r swap - 1 cells / tcell * + r>
3460: ( S .. taddr2+skiplencells type-addr )
3461: @ addr-refs @ 1 tcell lshift or
3462: BEGIN dup 1 and 0= WHILE swap 1+ swap 2/ REPEAT drop
3463: ( S .. taddr2+skiplencells+skiplenbytes )
3464: snl-calc ;
3465:
3466: : insert-label ( taddr -- )
3467: dup 0= IF drop EXIT THEN
3468: \ ignore everything which points outside our memory regions
3469: \ maybe a primitive pointer or whatever
3470: dup taddr>region 0= IF drop EXIT THEN
3471: dup >r (>regiontype) define-addr-struct addr-refs dup @
3472: r> tcell 1- and 1 swap lshift or swap ! ;
3473:
3474: \ this generates a sorted list of addresses which must be labels
3475: \ it scans therefore a whole region
3476: : generate-label-list-region ( taddr len -- )
3477: BEGIN over @relbit IF over X @ insert-label THEN
3478: tcell /string dup 0<
3479: UNTIL 2drop ;
3480:
3481: : generate-label-list ( -- )
3482: region-link
3483: BEGIN @ dup WHILE
3484: dup 0 >rlink - extent
3485: ?dup IF generate-label-list-region ELSE drop THEN
3486: REPEAT drop ;
3487:
3488: : create-outfile ( addr len -- )
3489: w/o bin create-file throw outfile-fd ! ;
3490:
3491: : close-outfile ( -- )
3492: outfile-fd @ close-file throw ;
3493:
3494: : (save-asm-region) ( region -- )
3495: \ ." label list..."
3496: generate-label-list
3497: \ ." ok!" cr
3498: extent ( S taddr len )
3499: over insert-label
3500: 2dup + dup insert-label >r ( R end-label )
3501: ( S taddr len ) drop
3502: BEGIN
3503: dup print-label
3504: dup r@ <> WHILE
3505: skip-nolables save-asm-region-part
3506: REPEAT drop rdrop ;
3507:
3508: : lineout ( addr len -- )
3509: outfile-fd @ write-line throw ;
3510:
3511: : save-asm-region ( region adr len -- )
3512: create-outfile (save-asm-region) close-outfile ;
3513:
1.54 pazsan 3514: \ \ minimal definitions
3515:
1.77 jwilke 3516: >MINIMAL also minimal
3517:
1.1 anton 3518: \ Usefull words 13feb93py
3519:
3520: : KB 400 * ;
3521:
1.54 pazsan 3522: \ \ [IF] [ELSE] [THEN] ... 14sep97jaw
3523:
3524: \ it is useful to define our own structures and not to rely
1.109 jwilke 3525: \ on the words in the host system
3526: \ The words in the host system might be defined with vocabularies
1.54 pazsan 3527: \ this doesn't work with our self-made compile-loop
3528:
3529: Create parsed 20 chars allot \ store word we parsed
3530:
3531: : upcase
3532: parsed count bounds
3533: ?DO I c@ toupper I c! LOOP ;
3534:
3535: : [ELSE]
3536: 1 BEGIN
3537: BEGIN bl word count dup WHILE
1.77 jwilke 3538: comment? 20 umin parsed place upcase parsed count
1.128 anton 3539: 2dup s" [IF]" str= >r
3540: 2dup s" [IFUNDEF]" str= >r
3541: 2dup s" [IFDEF]" str= r> or r> or
1.54 pazsan 3542: IF 2drop 1+
1.128 anton 3543: ELSE 2dup s" [ELSE]" str=
1.54 pazsan 3544: IF 2drop 1- dup
3545: IF 1+
3546: THEN
3547: ELSE
1.128 anton 3548: 2dup s" [ENDIF]" str= >r
3549: s" [THEN]" str= r> or
1.54 pazsan 3550: IF 1- THEN
3551: THEN
3552: THEN
3553: ?dup 0= ?EXIT
3554: REPEAT
3555: 2drop refill 0=
3556: UNTIL drop ; immediate
3557:
3558: : [THEN] ( -- ) ; immediate
3559:
3560: : [ENDIF] ( -- ) ; immediate
3561:
3562: : [IF] ( flag -- )
3563: 0= IF postpone [ELSE] THEN ; immediate
3564:
3565: Cond: [IF] postpone [IF] ;Cond
3566: Cond: [THEN] postpone [THEN] ;Cond
3567: Cond: [ELSE] postpone [ELSE] ;Cond
3568:
1.1 anton 3569: \ define new [IFDEF] and [IFUNDEF] 20may93jaw
3570:
1.77 jwilke 3571: : defined? tdefined? ;
1.44 pazsan 3572: : needed? needed? ;
3573: : doer? doer? ;
1.1 anton 3574:
1.52 jwilke 3575: \ we want to use IFDEF on compiler directives (e.g. E?) in the source, too
3576:
3577: : directive?
1.77 jwilke 3578: bl word count [ ' target >wordlist ] literal search-wordlist
1.52 jwilke 3579: dup IF nip THEN ;
3580:
3581: : [IFDEF] >in @ directive? swap >in !
1.77 jwilke 3582: 0= IF tdefined? ELSE name 2drop true THEN
1.52 jwilke 3583: postpone [IF] ;
3584:
1.77 jwilke 3585: : [IFUNDEF] tdefined? 0= postpone [IF] ;
1.1 anton 3586:
1.54 pazsan 3587: Cond: [IFDEF] postpone [IFDEF] ;Cond
3588:
3589: Cond: [IFUNDEF] postpone [IFUNDEF] ;Cond
3590:
1.1 anton 3591: \ C: \- \+ Conditional Compiling 09jun93jaw
3592:
1.77 jwilke 3593: : C: >in @ tdefined? 0=
3594: IF >in ! X :
1.1 anton 3595: ELSE drop
3596: BEGIN bl word dup c@
1.128 anton 3597: IF count comment? s" ;" str= ?EXIT
1.1 anton 3598: ELSE refill 0= ABORT" CROSS: Out of Input while C:"
3599: THEN
3600: AGAIN
3601: THEN ;
3602:
1.74 jwilke 3603: : d? d? ;
3604:
1.123 jwilke 3605: : \D ( -- "debugswitch" )
1.74 jwilke 3606: \G doesn't skip line when debug switch is on
1.123 jwilke 3607: D? 0= IF postpone \ THEN ;
1.52 jwilke 3608:
1.123 jwilke 3609: : \- ( -- "wordname" )
1.48 anton 3610: \G interprets the line if word is not defined
1.123 jwilke 3611: tdefined? IF postpone \ THEN ;
1.48 anton 3612:
1.123 jwilke 3613: : \+ ( -- "wordname" )
1.48 anton 3614: \G interprets the line if word is defined
1.123 jwilke 3615: tdefined? 0= IF postpone \ THEN ;
3616:
3617: : \? ( -- "envorinstring" )
3618: \G Skip line if environmental variable evaluates to false
3619: X has? 0= IF postpone \ THEN ;
1.1 anton 3620:
1.48 anton 3621: Cond: \- \- ;Cond
3622: Cond: \+ \+ ;Cond
1.52 jwilke 3623: Cond: \D \D ;Cond
1.123 jwilke 3624: Cond: \? \? ;Cond
1.48 anton 3625:
3626: : ?? bl word find IF execute ELSE drop 0 THEN ;
3627:
3628: : needed:
3629: \G defines ghost for words that we want to be compiled
1.103 jwilke 3630: BEGIN >in @ bl word c@ WHILE >in ! Ghost drop REPEAT drop ;
1.48 anton 3631:
1.1 anton 3632: \ words that should be in minimal
1.52 jwilke 3633:
3634: create s-buffer 50 chars allot
3635:
1.77 jwilke 3636: bigendian Constant bigendian
1.1 anton 3637:
1.52 jwilke 3638: : here there ;
1.67 jwilke 3639: : equ constant ;
3640: : mark there constant ;
1.54 pazsan 3641:
3642: \ compiler directives
1.52 jwilke 3643: : >ram >ram ;
3644: : >rom >rom ;
3645: : >auto >auto ;
3646: : >tempdp >tempdp ;
3647: : tempdp> tempdp> ;
3648: : const constflag on ;
1.103 jwilke 3649:
3650: : Redefinitions-start
3651: \G Starts a redefinition section. Warnings are disabled and
3652: \G existing ghosts are reused. This is used in the kernel
3653: \G where ( and \ and the like are redefined
3654: twarnings off warnings off reuse-ghosts on ;
3655:
3656: : Redefinitions-end
3657: \G Ends a redefinition section. Warnings are enabled again.
3658: twarnings on warnings on reuse-ghosts off ;
3659:
3660: : warnings name 3 =
3661: IF twarnings off warnings off ELSE twarnings on warnings on THEN drop ;
1.102 jwilke 3662:
1.60 anton 3663: : | ;
3664: \ : | NoHeaderFlag on ; \ This is broken (damages the last word)
1.52 jwilke 3665:
1.48 anton 3666: : save-cross save-cross ;
1.52 jwilke 3667: : save-region save-region ;
3668: : tdump swap >image swap dump ;
3669:
1.48 anton 3670: also forth
1.52 jwilke 3671: [IFDEF] Label : Label defempty? Label ; [THEN]
3672: [IFDEF] start-macros : start-macros defempty? start-macros ; [THEN]
1.77 jwilke 3673: \ [IFDEF] builttag : builttag builttag ; [THEN]
1.48 anton 3674: previous
3675:
1.52 jwilke 3676: : s" [char] " parse s-buffer place s-buffer count ; \ for environment?
1.43 pazsan 3677: : + + ;
1.52 jwilke 3678: : 1+ 1 + ;
3679: : 2+ 2 + ;
1.43 pazsan 3680: : 1- 1- ;
3681: : - - ;
1.52 jwilke 3682: : and and ;
3683: : or or ;
1.43 pazsan 3684: : 2* 2* ;
3685: : * * ;
3686: : / / ;
3687: : dup dup ;
1.139 jwilke 3688: : ?dup ?dup ;
1.43 pazsan 3689: : over over ;
3690: : swap swap ;
3691: : rot rot ;
3692: : drop drop ;
1.139 jwilke 3693: : 2drop 2drop ;
1.43 pazsan 3694: : = = ;
1.122 jwilke 3695: : <> <> ;
1.43 pazsan 3696: : 0= 0= ;
3697: : lshift lshift ;
3698: : 2/ 2/ ;
1.139 jwilke 3699: : hex. base @ $10 base ! swap . base ! ;
3700: : invert invert ;
1.103 jwilke 3701: \ : . . ;
1.1 anton 3702:
1.79 jwilke 3703: : all-words ['] forced? IS skip? ;
1.43 pazsan 3704: : needed-words ['] needed? IS skip? ;
1.75 jwilke 3705: : undef-words ['] defined2? IS skip? ;
3706: : skipdef skipdef ;
1.1 anton 3707:
1.40 pazsan 3708: : \ postpone \ ; immediate
1.47 pazsan 3709: : \G T-\G ; immediate
1.40 pazsan 3710: : ( postpone ( ; immediate
1.1 anton 3711: : include bl word count included ;
1.103 jwilke 3712: : included swap >image swap included ;
1.52 jwilke 3713: : require require ;
1.103 jwilke 3714: : needs require ;
1.1 anton 3715: : .( [char] ) parse type ;
1.139 jwilke 3716: : ERROR" [char] " parse
3717: rot
3718: IF cr ." *** " type ." ***" -1 ABORT" CROSS: Target error, see text above"
3719: ELSE 2drop
3720: THEN ;
1.52 jwilke 3721: : ." [char] " parse type ;
1.1 anton 3722: : cr cr ;
3723:
1.77 jwilke 3724: : times 0 ?DO dup X c, LOOP drop ; \ used for space table creation
3725:
3726: \ only forth also cross also minimal definitions order
1.1 anton 3727:
3728: \ cross-compiler words
3729:
1.103 jwilke 3730: : decimal decimal [g'] decimal >exec2 @ ?dup IF EXECUTE THEN ;
3731: : hex hex [g'] hex >exec2 @ ?dup IF EXECUTE THEN ;
1.1 anton 3732:
1.77 jwilke 3733: \ : tudp X tudp ;
3734: \ : tup X tup ;
3735:
3736: : doc-off false to-doc ! ;
3737: : doc-on true to-doc ! ;
1.39 pazsan 3738:
1.103 jwilke 3739: : declareunique ( "name" -- )
1.127 anton 3740: \ Sets the unique flag for a ghost. The assembler output
3741: \ generates labels with the ghostname concatenated with the address
3742: \ while cross-compiling. The address is concatenated
3743: \ because we have double occurences of the same name.
3744: \ If we want to reference the labels from the assembler or C
3745: \ code we declare them unique, so the address is skipped.
1.103 jwilke 3746: Ghost >ghost-flags dup @ <unique> or swap ! ;
3747:
3748: \ [IFDEF] dbg : dbg dbg ; [THEN]
1.39 pazsan 3749:
1.1 anton 3750: \ for debugging...
1.103 jwilke 3751: \ : dbg dbg ;
3752: : horder order ;
3753: : hwords words ;
3754: \ : words also ghosts
3755: \ words previous ;
1.105 jwilke 3756: : .s .s ;
1.122 jwilke 3757: : depth depth ;
1.1 anton 3758: : bye bye ;
1.99 pazsan 3759:
1.103 jwilke 3760: \ dummy
3761:
1.1 anton 3762: \ turnkey direction
3763: : H forth ; immediate
3764: : T minimal ; immediate
3765: : G ghosts ; immediate
3766:
3767:
3768: \ these ones are pefered:
3769:
1.74 jwilke 3770: : unlock previous forth also cross ;
1.52 jwilke 3771:
1.77 jwilke 3772: \ also minimal
1.103 jwilke 3773: >cross
3774:
3775: : turnkey
3776: ghosts-wordlist 1 set-order
3777: also target definitions
3778: also Minimal also ;
3779:
3780: >minimal
3781:
3782: : [[+++
3783: turnkey unlock ;
1.1 anton 3784:
3785: unlock definitions also minimal
1.77 jwilke 3786:
1.103 jwilke 3787: : lock turnkey ;
3788:
3789: Defer +++]]-hook
3790: : +++]] +++]]-hook lock ;
3791:
3792: LOCK
1.77 jwilke 3793: \ load cross compiler extension defined in mach file
3794:
3795: UNLOCK >CROSS
3796:
3797: [IFDEF] extend-cross extend-cross [THEN]
3798:
3799: LOCK
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