Annotation of gforth/cross.fs, revision 1.126

1.1       anton       1: \ CROSS.FS     The Cross-Compiler                      06oct92py
                      2: \ Idea and implementation: Bernd Paysan (py)
1.30      anton       3: 
1.86      anton       4: \ Copyright (C) 1995,1996,1997,1998,1999,2000 Free Software Foundation, Inc.
1.30      anton       5: 
                      6: \ This file is part of Gforth.
                      7: 
                      8: \ Gforth is free software; you can redistribute it and/or
                      9: \ modify it under the terms of the GNU General Public License
                     10: \ as published by the Free Software Foundation; either version 2
                     11: \ of the License, or (at your option) any later version.
                     12: 
                     13: \ This program is distributed in the hope that it will be useful,
                     14: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
                     15: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     16: \ GNU General Public License for more details.
                     17: 
                     18: \ You should have received a copy of the GNU General Public License
                     19: \ along with this program; if not, write to the Free Software
1.87      anton      20: \ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
1.1       anton      21: 
1.67      jwilke     22: 0 
                     23: [IF]
                     24: 
                     25: ToDo:
1.107     jwilke     26: - Crossdoc destination ./doc/crossdoc.fd makes no sense when
                     27:   cross.fs is used seperately. jaw
                     28: - Do we need this char translation with >address and in branchoffset? 
                     29:   (>body also affected) jaw
1.67      jwilke     30: 
                     31: [THEN]
1.48      anton      32: 
1.77      jwilke     33: hex
                     34: 
                     35: \ debugging for compiling
                     36: 
                     37: \ print stack at each colon definition
                     38: \ : : save-input cr bl word count type restore-input throw .s : ;
                     39: 
                     40: \ print stack at each created word
                     41: \ : create save-input cr bl word count type restore-input throw .s create ;
                     42: 
                     43: 
                     44: \ \ -------------  Setup Vocabularies
                     45: 
                     46: \ Remark: Vocabulary is not ANS, but it should work...
                     47: 
                     48: Vocabulary Cross
                     49: Vocabulary Target
                     50: Vocabulary Ghosts
                     51: Vocabulary Minimal
                     52: only Forth also Target also also
                     53: definitions Forth
                     54: 
1.78      jwilke     55: : T  previous Ghosts also Target ; immediate
1.77      jwilke     56: : G  Ghosts ; immediate
                     57: : H  previous Forth also Cross ; immediate
                     58: 
                     59: forth definitions
                     60: 
1.78      jwilke     61: : T  previous Ghosts also Target ; immediate
1.77      jwilke     62: : G  Ghosts ; immediate
                     63: 
1.105     jwilke     64: 
1.77      jwilke     65: : >cross  also Cross definitions previous ;
                     66: : >target also Target definitions previous ;
                     67: : >minimal also Minimal definitions previous ;
                     68: 
                     69: H
                     70: 
                     71: >CROSS
                     72: 
1.123     jwilke     73: \ Test against this definitions to find out whether we are cross-compiling
                     74: \ may be usefull for assemblers
                     75: 0 Constant gforth-cross-indicator
                     76: 
1.77      jwilke     77: \ find out whether we are compiling with gforth
                     78: 
                     79: : defined? bl word find nip ;
                     80: defined? emit-file defined? toupper and \ drop 0
                     81: [IF]
                     82: \ use this in a gforth system
                     83: : \GFORTH ; immediate
                     84: : \ANSI postpone \ ; immediate
                     85: [ELSE]
                     86: : \GFORTH postpone \ ; immediate
                     87: : \ANSI ; immediate
                     88: [THEN]
                     89: 
                     90: \ANSI : [IFUNDEF] defined? 0= postpone [IF] ; immediate
                     91: \ANSI : [IFDEF] defined? postpone [IF] ; immediate
                     92: 0 \ANSI drop 1
                     93: [IF]
                     94: : \G postpone \ ; immediate
                     95: : rdrop postpone r> postpone drop ; immediate
                     96: : name bl word count ;
                     97: : bounds over + swap ;
                     98: : scan >r BEGIN dup WHILE over c@ r@ <> WHILE 1 /string REPEAT THEN rdrop ;
                     99: : linked here over @ , swap ! ;
                    100: : alias create , DOES> @ EXECUTE ;
                    101: : defer ['] noop alias ;
                    102: : is state @ 
                    103:   IF ' >body postpone literal postpone ! 
                    104:   ELSE ' >body ! THEN ; immediate
                    105: : 0>= 0< 0= ;
                    106: : d<> rot <> -rot <> or ;
                    107: : toupper dup [char] a [char] z 1+ within IF [char] A [char] a - + THEN ;
                    108: Variable ebuf
                    109: : emit-file ( c fd -- ior ) swap ebuf c! ebuf 1 chars rot write-file ;
                    110: 0a Constant #lf
                    111: 0d Constant #cr
                    112: 
                    113: [IFUNDEF] Warnings Variable Warnings [THEN]
                    114: 
                    115: \ \ Number parsing                                     23feb93py
                    116: 
                    117: \ number? number                                       23feb93py
                    118: 
                    119: Variable dpl
                    120: 
                    121: hex
                    122: Create bases   10 ,   2 ,   A , 100 ,
                    123: \              16     2    10   character
                    124: 
                    125: \ !! protect BASE saving wrapper against exceptions
                    126: : getbase ( addr u -- addr' u' )
                    127:     over c@ [char] $ - dup 4 u<
                    128:     IF
                    129:        cells bases + @ base ! 1 /string
                    130:     ELSE
                    131:        drop
                    132:     THEN ;
                    133: 
                    134: : sign? ( addr u -- addr u flag )
                    135:     over c@ [char] - =  dup >r
                    136:     IF
                    137:        1 /string
                    138:     THEN
                    139:     r> ;
                    140: 
                    141: : s>unumber? ( addr u -- ud flag )
1.78      jwilke    142:     over [char] ' =
                    143:     IF         \ a ' alone is rather unusual :-)
                    144:        drop char+ c@ 0 true EXIT 
                    145:     THEN
1.77      jwilke    146:     base @ >r  dpl on  getbase
                    147:     0. 2swap
                    148:     BEGIN ( d addr len )
                    149:        dup >r >number dup
                    150:     WHILE \ there are characters left
                    151:        dup r> -
                    152:     WHILE \ the last >number parsed something
                    153:        dup 1- dpl ! over c@ [char] . =
                    154:     WHILE \ the current char is '.'
                    155:        1 /string
                    156:     REPEAT  THEN \ there are unparseable characters left
                    157:        2drop false
                    158:     ELSE
                    159:        rdrop 2drop true
                    160:     THEN
                    161:     r> base ! ;
                    162: 
                    163: \ ouch, this is complicated; there must be a simpler way - anton
                    164: : s>number? ( addr len -- d f )
                    165:     \ converts string addr len into d, flag indicates success
                    166:     sign? >r
                    167:     s>unumber?
                    168:     0= IF
                    169:         rdrop false
                    170:     ELSE \ no characters left, all ok
                    171:        r>
                    172:        IF
                    173:            dnegate
                    174:        THEN
                    175:        true
                    176:     THEN ;
                    177: 
                    178: : s>number ( addr len -- d )
                    179:     \ don't use this, there is no way to tell success
                    180:     s>number? drop ;
                    181: 
                    182: : snumber? ( c-addr u -- 0 / n -1 / d 0> )
                    183:     s>number? 0=
                    184:     IF
                    185:        2drop false  EXIT
                    186:     THEN
                    187:     dpl @ dup 0< IF
                    188:        nip
                    189:     ELSE
                    190:        1+
                    191:     THEN ;
                    192: 
                    193: : number? ( string -- string 0 / n -1 / d 0> )
                    194:     dup >r count snumber? dup if
                    195:        rdrop
                    196:     else
                    197:        r> swap
                    198:     then ;
                    199: 
                    200: : number ( string -- d )
                    201:     number? ?dup 0= abort" ?"  0<
                    202:     IF
                    203:        s>d
                    204:     THEN ;
                    205: 
                    206: [THEN]
1.48      anton     207: 
1.115     jwilke    208: \ this provides assert( and struct stuff
                    209: \GFORTH [IFUNDEF] assert1(
                    210: \GFORTH also forth definitions require assert.fs previous
                    211: \GFORTH [THEN]
                    212: 
                    213: >CROSS
                    214: 
1.52      jwilke    215: hex     \ the defualt base for the cross-compiler is hex !!
1.78      jwilke    216: \ Warnings off
1.52      jwilke    217: 
                    218: \ words that are generaly useful
                    219: 
1.59      pazsan    220: : KB  400 * ;
1.52      jwilke    221: : >wordlist ( vocabulary-xt -- wordlist-struct )
                    222:   also execute get-order swap >r 1- set-order r> ;
                    223: 
                    224: : umax 2dup u< IF swap THEN drop ;
                    225: : umin 2dup u> IF swap THEN drop ;
1.1       anton     226: 
1.23      pazsan    227: : string, ( c-addr u -- )
                    228:     \ puts down string as cstring
                    229:     dup c, here swap chars dup allot move ;
1.5       pazsan    230: 
1.77      jwilke    231: : ," [char] " parse string, ;
                    232: 
1.52      jwilke    233: : SetValue ( n -- <name> )
1.54      pazsan    234: \G Same behaviour as "Value" if the <name> is not defined
                    235: \G Same behaviour as "to" if <name> is defined
1.52      jwilke    236: \G SetValue searches in the current vocabulary
1.68      jwilke    237:   save-input bl word >r restore-input throw r> count
                    238:   get-current search-wordlist
                    239:   IF   drop >r
                    240:        \ we have to set current to be topmost context wordlist
                    241:        get-order get-order get-current swap 1+ set-order
                    242:        r> ['] to execute
1.74      jwilke    243:        set-order
1.68      jwilke    244:   ELSE Value THEN ;
1.52      jwilke    245: 
                    246: : DefaultValue ( n -- <name> )
1.54      pazsan    247: \G Same behaviour as "Value" if the <name> is not defined
                    248: \G DefaultValue searches in the current vocabulary
1.52      jwilke    249:  save-input bl word >r restore-input throw r> count
                    250:  get-current search-wordlist
1.56      pazsan    251:  IF bl word drop 2drop ELSE Value THEN ;
1.1       anton     252: 
                    253: hex
                    254: 
1.120     jwilke    255: \ FIXME delete`
1.52      jwilke    256: \ 1 Constant Cross-Flag        \ to check whether assembler compiler plug-ins are
                    257:                        \ for cross-compiling
                    258: \ No! we use "[IFUNDEF]" there to find out whether we are target compiling!!!
                    259: 
1.120     jwilke    260: \ FIXME move down
1.52      jwilke    261: : comment? ( c-addr u -- c-addr u )
                    262:         2dup s" (" compare 0=
                    263:         IF    postpone (
                    264:         ELSE  2dup s" \" compare 0= IF postpone \ THEN
                    265:         THEN ;
                    266: 
1.120     jwilke    267: : X ( -- <name> )
                    268: \G The next word in the input is a target word.
                    269: \G Equivalent to T <name> but without permanent
                    270: \G switch to target dictionary. Used as prefix e.g. for @, !, here etc.
                    271:   bl word count [ ' target >wordlist ] Literal search-wordlist
                    272:   IF state @ IF compile, ELSE execute THEN
                    273:   ELSE -1 ABORT" Cross: access method not supported!"
                    274:   THEN ; immediate
1.105     jwilke    275: 
1.52      jwilke    276: \ Begin CROSS COMPILER:
                    277: 
1.74      jwilke    278: \ debugging
1.52      jwilke    279: 
1.74      jwilke    280: 0 [IF]
                    281: 
                    282: This implements debugflags for the cross compiler and the compiled
                    283: images. It works identical to the has-flags in the environment.
                    284: The debugflags are defined in a vocabluary. If the word exists and
                    285: its value is true, the flag is switched on.
                    286: 
                    287: [THEN]
                    288: 
1.77      jwilke    289: >CROSS
                    290: 
1.74      jwilke    291: Vocabulary debugflags  \ debug flags for cross
                    292: also debugflags get-order over
                    293: Constant debugflags-wl
                    294: set-order previous
                    295: 
                    296: : DebugFlag
                    297:   get-current >r debugflags-wl set-current
                    298:   SetValue
                    299:   r> set-current ;
                    300: 
                    301: : Debug? ( adr u -- flag )
                    302: \G return true if debug flag is defined or switched on
                    303:   debugflags-wl search-wordlist
                    304:   IF EXECUTE
                    305:   ELSE false THEN ;
                    306: 
                    307: : D? ( <name> -- flag )
                    308: \G return true if debug flag is defined or switched on
                    309: \G while compiling we do not return the current value but
                    310:   bl word count debug? ;
                    311: 
                    312: : [d?]
                    313: \G compile the value-xt so the debug flag can be switched
                    314: \G the flag must exist!
                    315:   bl word count debugflags-wl search-wordlist
                    316:   IF   compile,
                    317:   ELSE  -1 ABORT" unknown debug flag"
                    318:        \ POSTPONE false 
                    319:   THEN ; immediate
1.54      pazsan    320: 
1.123     jwilke    321: : symentry ( adr len taddr -- )
                    322: \G Produce a symbol table (an optional symbol address
                    323: \G map) if wanted
                    324:     [ [IFDEF] fd-symbol-table ]
                    325:       base @ swap hex s>d <# 8 0 DO # LOOP #> fd-symbol-table write-file throw base !
                    326:       s" :" fd-symbol-table write-file throw
                    327:       fd-symbol-table write-line throw
                    328:     [ [ELSE] ]
                    329:       2drop drop
                    330:     [ [THEN] ] ;
                    331: 
                    332: 
1.77      jwilke    333: \ \ --------------------       source file
                    334: 
                    335: decimal
                    336: 
                    337: Variable cross-file-list
                    338: 0 cross-file-list !
                    339: Variable target-file-list
                    340: 0 target-file-list !
                    341: Variable host-file-list
                    342: 0 host-file-list !
                    343: 
                    344: cross-file-list Value file-list
                    345: 0 Value source-desc
                    346: 
                    347: \ file loading
                    348: 
                    349: : >fl-id   1 cells + ;
                    350: : >fl-name 2 cells + ;
                    351: 
                    352: Variable filelist 0 filelist !
                    353: Create NoFile ," #load-file#"
                    354: 
                    355: : loadfile ( -- adr )
                    356:   source-desc ?dup IF >fl-name ELSE NoFile THEN ;
                    357: 
                    358: : sourcefilename ( -- adr len ) 
                    359:   loadfile count ;
                    360: 
                    361: \ANSI : sourceline# 0 ;
                    362: 
                    363: \ \ --------------------       path handling from kernel/paths.fs
                    364: 
                    365: \ paths.fs path file handling                                    03may97jaw
                    366: 
                    367: \ -Changing the search-path:
                    368: \ fpath+ <path>        adds a directory to the searchpath
                    369: \ fpath= <path>|<path> makes complete now searchpath
                    370: \                      seperator is |
                    371: \ .fpath               displays the search path
                    372: \ remark I: 
                    373: \ a ./ in the beginning of filename is expanded to the directory the
                    374: \ current file comes from. ./ can also be included in the search-path!
                    375: \ ~+/ loads from the current working directory
                    376: 
                    377: \ remark II:
                    378: \ if there is no sufficient space for the search path increase it!
                    379: 
                    380: 
                    381: \ -Creating custom paths:
                    382: 
                    383: \ It is possible to use the search mechanism on yourself.
                    384: 
                    385: \ Make a buffer for the path:
                    386: \ create mypath        100 chars ,     \ maximum length (is checked)
                    387: \              0 ,             \ real len
                    388: \              100 chars allot \ space for path
                    389: \ use the same functions as above with:
                    390: \ mypath path+ 
                    391: \ mypath path=
                    392: \ mypath .path
                    393: 
                    394: \ do a open with the search path:
                    395: \ open-path-file ( adr len path -- fd adr len ior )
                    396: \ the file is opened read-only; if the file is not found an error is generated
                    397: 
                    398: \ questions to: wilke@jwdt.com
                    399: 
                    400: [IFUNDEF] +place
                    401: : +place ( adr len adr )
                    402:         2dup >r >r
                    403:         dup c@ char+ + swap move
                    404:         r> r> dup c@ rot + swap c! ;
                    405: [THEN]
                    406: 
                    407: [IFUNDEF] place
                    408: : place ( c-addr1 u c-addr2 )
                    409:         2dup c! char+ swap move ;
                    410: [THEN]
                    411: 
                    412: \ if we have path handling, use this and the setup of it
                    413: [IFUNDEF] open-fpath-file
                    414: 
                    415: create sourcepath 1024 chars , 0 , 1024 chars allot \ !! make this dynamic
                    416: sourcepath value fpath
                    417: 
                    418: : also-path ( adr len path^ -- )
                    419:   >r
                    420:   \ len check
                    421:   r@ cell+ @ over + r@ @ u> ABORT" path buffer too small!"
                    422:   \ copy into
                    423:   tuck r@ cell+ dup @ cell+ + swap cmove
                    424:   \ make delimiter
                    425:   0 r@ cell+ dup @ cell+ + 2 pick + c! 1 + r> cell+ +!
                    426:   ;
                    427: 
                    428: : only-path ( adr len path^ -- )
                    429:   dup 0 swap cell+ ! also-path ;
                    430: 
                    431: : path+ ( path-addr  "dir" -- ) \ gforth
                    432:     \G Add the directory @var{dir} to the search path @var{path-addr}.
                    433:     name rot also-path ;
                    434: 
                    435: : fpath+ ( "dir" ) \ gforth
                    436:     \G Add directory @var{dir} to the Forth search path.
                    437:     fpath path+ ;
                    438: 
                    439: : path= ( path-addr "dir1|dir2|dir3" ) \ gforth
                    440:     \G Make a complete new search path; the path separator is |.
                    441:     name 2dup bounds ?DO i c@ [char] | = IF 0 i c! THEN LOOP
                    442:     rot only-path ;
                    443: 
                    444: : fpath= ( "dir1|dir2|dir3" ) \ gforth
                    445:     \G Make a complete new Forth search path; the path separator is |.
                    446:     fpath path= ;
                    447: 
                    448: : path>counted  cell+ dup cell+ swap @ ;
                    449: 
                    450: : next-path ( adr len -- adr2 len2 )
                    451:   2dup 0 scan
                    452:   dup 0= IF     2drop 0 -rot 0 -rot EXIT THEN
                    453:   >r 1+ -rot r@ 1- -rot
                    454:   r> - ;
                    455: 
                    456: : previous-path ( path^ -- )
                    457:   dup path>counted
                    458:   BEGIN tuck dup WHILE repeat ;
                    459: 
                    460: : .path ( path-addr -- ) \ gforth
                    461:     \G Display the contents of the search path @var{path-addr}.
                    462:     path>counted
                    463:     BEGIN next-path dup WHILE type space REPEAT 2drop 2drop ;
                    464: 
                    465: : .fpath ( -- ) \ gforth
                    466:     \G Display the contents of the Forth search path.
                    467:     fpath .path ;
                    468: 
                    469: : absolut-path? ( addr u -- flag ) \ gforth
                    470:     \G A path is absolute if it starts with a / or a ~ (~ expansion),
                    471:     \G or if it is in the form ./*, extended regexp: ^[/~]|./, or if
                    472:     \G it has a colon as second character ("C:...").  Paths simply
                    473:     \G containing a / are not absolute!
                    474:     2dup 2 u> swap 1+ c@ [char] : = and >r \ dos absoulte: c:/....
                    475:     over c@ [char] / = >r
                    476:     over c@ [char] ~ = >r
                    477:     \ 2dup 3 min S" ../" compare 0= r> or >r \ not catered for in expandtopic
                    478:     2 min S" ./" compare 0=
                    479:     r> r> r> or or or ;
                    480: 
                    481: Create ofile 0 c, 255 chars allot
                    482: Create tfile 0 c, 255 chars allot
                    483: 
                    484: : pathsep? dup [char] / = swap [char] \ = or ;
                    485: 
                    486: : need/   ofile dup c@ + c@ pathsep? 0= IF s" /" ofile +place THEN ;
                    487: 
                    488: : extractpath ( adr len -- adr len2 )
                    489:   BEGIN dup WHILE 1-
                    490:         2dup + c@ pathsep? IF EXIT THEN
                    491:   REPEAT ;
                    492: 
                    493: : remove~+ ( -- )
                    494:     ofile count 3 min s" ~+/" compare 0=
                    495:     IF
                    496:        ofile count 3 /string ofile place
                    497:     THEN ;
                    498: 
                    499: : expandtopic ( -- ) \ stack effect correct? - anton
                    500:     \ expands "./" into an absolute name
                    501:     ofile count 2 min s" ./" compare 0=
                    502:     IF
                    503:        ofile count 1 /string tfile place
                    504:        0 ofile c! sourcefilename extractpath ofile place
                    505:        ofile c@ IF need/ THEN
                    506:        tfile count over c@ pathsep? IF 1 /string THEN
                    507:        ofile +place
                    508:     THEN ;
                    509: 
                    510: : compact.. ( adr len -- adr2 len2 )
1.85      pazsan    511:     \ deletes phrases like "xy/.." out of our directory name 2dec97jaw
                    512:     over swap
                    513:     BEGIN  dup  WHILE
                    514:         dup >r '/ scan 2dup 4 min s" /../" compare 0=
                    515:         IF
                    516:             dup r> - >r 4 /string over r> + 4 -
                    517:             swap 2dup + >r move dup r> over -
                    518:         ELSE
                    519:             rdrop dup 1 min /string
                    520:         THEN
                    521:     REPEAT  drop over - ;
1.77      jwilke    522: 
                    523: : reworkdir ( -- )
                    524:   remove~+
                    525:   ofile count compact..
                    526:   nip ofile c! ;
                    527: 
                    528: : open-ofile ( -- fid ior )
                    529:     \G opens the file whose name is in ofile
                    530:     expandtopic reworkdir
                    531:     ofile count r/o open-file ;
                    532: 
                    533: : check-path ( adr1 len1 adr2 len2 -- fd 0 | 0 <>0 )
                    534:   0 ofile ! >r >r ofile place need/
                    535:   r> r> ofile +place
                    536:   open-ofile ;
                    537: 
                    538: : open-path-file ( addr1 u1 path-addr -- wfileid addr2 u2 0 | ior ) \ gforth
                    539:     \G Look in path @var{path-addr} for the file specified by @var{addr1 u1}.
                    540:     \G If found, the resulting path and an open file descriptor
                    541:     \G are returned. If the file is not found, @var{ior} is non-zero.
                    542:   >r
                    543:   2dup absolut-path?
                    544:   IF    rdrop
                    545:         ofile place open-ofile
                    546:        dup 0= IF >r ofile count r> THEN EXIT
                    547:   ELSE  r> path>counted
                    548:         BEGIN  next-path dup
                    549:         WHILE  5 pick 5 pick check-path
                    550:         0= IF >r 2drop 2drop r> ofile count 0 EXIT ELSE drop THEN
                    551:   REPEAT
                    552:         2drop 2drop 2drop -38
                    553:   THEN ;
                    554: 
                    555: : open-fpath-file ( addr1 u1 -- wfileid addr2 u2 0 | ior ) \ gforth
                    556:     \G Look in the Forth search path for the file specified by @var{addr1 u1}.
                    557:     \G If found, the resulting path and an open file descriptor
                    558:     \G are returned. If the file is not found, @var{ior} is non-zero.
                    559:     fpath open-path-file ;
                    560: 
                    561: fpath= ~+
                    562: 
                    563: [THEN]
                    564: 
                    565: \ \ --------------------       include require                 13may99jaw
                    566: 
                    567: >CROSS
                    568: 
                    569: : add-included-file ( adr len -- adr )
                    570:   dup >fl-name char+ allocate throw >r
                    571:   file-list @ r@ ! r@ file-list !
                    572:   r@ >fl-name place r> ;
                    573: 
                    574: : included? ( c-addr u -- f )
                    575:   file-list
                    576:   BEGIN        @ dup
                    577:   WHILE        >r 2dup r@ >fl-name count compare 0=
                    578:        IF rdrop 2drop true EXIT THEN
                    579:        r>
                    580:   REPEAT
                    581:   2drop drop false ;   
                    582: 
                    583: false DebugFlag showincludedfiles
                    584: 
                    585: : included1 ( fd adr u -- )
                    586: \ include file adr u / fd
                    587: \ we don't use fd with include-file, because the forth system
                    588: \ doesn't know the name of the file to get a nice error report
                    589:   [d?] showincludedfiles
                    590:   IF   cr ." Including: " 2dup type ." ..." THEN
                    591:   rot close-file throw
                    592:   source-desc >r
                    593:   add-included-file to source-desc 
                    594:   sourcefilename
                    595:   ['] included catch
                    596:   r> to source-desc 
                    597:   throw ;
                    598: 
                    599: : included ( adr len -- )
                    600:        cross-file-list to file-list
                    601:        open-fpath-file throw 
                    602:         included1 ;
                    603: 
                    604: : required ( adr len -- )
                    605:        cross-file-list to file-list
                    606:        open-fpath-file throw \ 2dup cr ." R:" type
                    607:        2dup included?
                    608:        IF      2drop close-file throw
                    609:        ELSE    included1
                    610:        THEN ;
                    611: 
                    612: : include bl word count included ;
                    613: 
                    614: : require bl word count required ;
                    615: 
1.78      jwilke    616: 0 [IF]
                    617: 
1.77      jwilke    618: also forth definitions previous
                    619: 
                    620: : included ( adr len -- ) included ;
                    621: 
                    622: : required ( adr len -- ) required ;
                    623: 
                    624: : include include ;
                    625: 
                    626: : require require ;
                    627: 
1.78      jwilke    628: [THEN]
                    629: 
1.77      jwilke    630: >CROSS
                    631: hex
                    632: 
                    633: \ \ --------------------        Error Handling                  05aug97jaw
                    634: 
                    635: \ Flags
                    636: 
                    637: also forth definitions  \ these values may be predefined before
                    638:                         \ the cross-compiler is loaded
                    639: 
                    640: false DefaultValue stack-warn           \ check on empty stack at any definition
                    641: false DefaultValue create-forward-warn   \ warn on forward declaration of created words
                    642: 
                    643: previous >CROSS
                    644: 
                    645: : .dec
                    646:   base @ decimal swap . base ! ;
                    647: 
                    648: : .sourcepos
                    649:   cr sourcefilename type ." :"
                    650:   sourceline# .dec ;
                    651: 
                    652: : warnhead
                    653: \G display error-message head
                    654: \G perhaps with linenumber and filename
                    655:   .sourcepos ." Warning: " ;
                    656: 
                    657: : empty? depth IF .sourcepos ." Stack not empty!"  THEN ;
                    658: 
                    659: stack-warn [IF]
                    660: : defempty? empty? ;
                    661: [ELSE]
                    662: : defempty? ; immediate
                    663: [THEN]
                    664: 
1.105     jwilke    665: \ \ --------------------        Compiler Plug Ins               01aug97jaw
                    666: 
                    667: >CROSS
                    668: 
                    669: \ Compiler States
                    670: 
                    671: Variable comp-state
                    672: 0 Constant interpreting
                    673: 1 Constant compiling
                    674: 2 Constant resolving
                    675: 3 Constant assembling
                    676: 
                    677: : compiling? comp-state @ compiling = ;
                    678: 
                    679: : pi-undefined -1 ABORT" Plugin undefined" ;
                    680: 
                    681: : Plugin ( -- : pluginname )
                    682:   Create 
                    683:   \ for normal cross-compiling only one action
                    684:   \ exists, this fields are identical. For the instant
                    685:   \ simulation environment we need, two actions for each plugin
                    686:   \ the target one and the one that generates the simulation code
                    687:   ['] pi-undefined , \ action
                    688:   ['] pi-undefined , \ target plugin action
                    689:   8765 ,     \ plugin magic
                    690:   DOES> perform ;
                    691: 
                    692: Plugin DummyPlugin
                    693: 
                    694: : 'PI ( -- addr : pluginname )
                    695:   ' >body dup 2 cells + @ 8765 <> ABORT" not a plugin" ;
                    696: 
                    697: : plugin-of ( xt -- : pluginname )
                    698:   dup 'PI 2! ;
                    699: 
                    700: : action-of ( xt -- : plunginname )
                    701:   'PI cell+ ! ;
                    702: 
                    703: : TPA ( -- : plugin )
                    704: \ target plugin action
                    705: \ executes current target action of plugin
                    706:   'PI cell+ POSTPONE literal POSTPONE perform ; immediate
                    707: 
                    708: Variable ppi-temp 0 ppi-temp !
                    709: 
                    710: : pa:
                    711: \g define plugin action
                    712:   ppi-temp @ ABORT" pa: definition not closed"
                    713:   'PI ppi-temp ! :noname ;
                    714: 
                    715: : ;pa
                    716: \g end a definition for plugin action
                    717:   POSTPONE ; ppi-temp @ ! 0 ppi-temp ! ; immediate
                    718: 
                    719: 
1.107     jwilke    720: Plugin dlit, ( d -- )                  \ compile numerical value the target
1.105     jwilke    721: Plugin lit, ( n -- )
                    722: Plugin alit, ( n -- )
                    723: 
                    724: Plugin branch, ( target-addr -- )      \ compiles a branch
                    725: Plugin ?branch, ( target-addr -- )     \ compiles a ?branch
                    726: Plugin branchmark, ( -- branch-addr )  \ reserves room for a branch
                    727: Plugin ?branchmark, ( -- branch-addr ) \ reserves room for a ?branch
                    728: Plugin ?domark, ( -- branch-addr )     \ reserves room for a ?do branch
                    729: Plugin branchto, ( -- )                        \ actual program position is target of a branch (do e.g. alignment)
                    730: ' NOOP plugin-of branchto, 
                    731: Plugin branchtoresolve, ( branch-addr -- ) \ resolves a forward reference from branchmark
                    732: Plugin branchtomark, ( -- target-addr )        \ marks a branch destination
                    733: 
                    734: Plugin colon, ( tcfa -- )              \ compiles call to tcfa at current position
                    735: Plugin prim, ( tcfa -- )               \ compiles primitive invocation
                    736: Plugin colonmark, ( -- addr )          \ marks a colon call
                    737: Plugin colon-resolve ( tcfa addr -- )
                    738: 
                    739: Plugin addr-resolve ( target-addr addr -- )
                    740: Plugin doer-resolve ( ghost res-pnt target-addr addr -- ghost res-pnt )
                    741: 
                    742: Plugin ncontrols? ( [ xn ... x1 ] n -- ) \ checks wheter n control structures are open
                    743: Plugin if,     ( -- if-token )
                    744: Plugin else,   ( if-token -- if-token )
                    745: Plugin then,   ( if-token -- )
                    746: Plugin ahead,
                    747: Plugin begin,
                    748: Plugin while,
                    749: Plugin until,
                    750: Plugin again,
                    751: Plugin repeat,
                    752: Plugin cs-swap ( x1 x2 -- x2 x1 )
                    753: 
                    754: Plugin case,   ( -- n )
                    755: Plugin of,     ( n -- x1 n )
                    756: Plugin endof,  ( x1 n -- x2 n )
                    757: Plugin endcase,        ( x1 .. xn n -- )
                    758: 
                    759: Plugin do,     ( -- do-token )
                    760: Plugin ?do,    ( -- ?do-token )
                    761: Plugin for,    ( -- for-token )
                    762: Plugin loop,   ( do-token / ?do-token -- )
                    763: Plugin +loop,  ( do-token / ?do-token -- )
                    764: Plugin next,   ( for-token )
                    765: Plugin leave,  ( -- )
                    766: Plugin ?leave,         ( -- )
                    767: 
1.121     jwilke    768: Plugin ca>native  \ Convert a code address to the processors
                    769:                   \ native address. This is used in doprim, and
                    770:                   \ code/code: primitive definitions word to
                    771:                   \ convert the addresses.
                    772:                   \ The only target where we need this is the misc
                    773:                   \ which is a 16 Bit processor with word addresses
                    774:                   \ but the forth system we build has a normal byte
                    775:                   \ addressed memory model    
1.105     jwilke    776: 
                    777: Plugin doprim, \ compiles start of a primitive
                    778: Plugin docol,          \ compiles start of a colon definition
                    779: Plugin doer,           
                    780: Plugin fini,      \ compiles end of definition ;s
                    781: Plugin doeshandler,
                    782: Plugin dodoes,
                    783: 
                    784: Plugin colon-start
                    785: ' noop plugin-of colon-start
                    786: Plugin colon-end
                    787: ' noop plugin-of colon-end
                    788: 
                    789: Plugin ]comp     \ starts compilation
                    790: ' noop plugin-of ]comp
                    791: Plugin comp[     \ ends compilation
                    792: ' noop plugin-of comp[
                    793: 
                    794: Plugin t>body             \ we need the system >body
                    795:                        \ and the target >body
                    796: 
                    797: >TARGET
                    798: : >body t>body ;
                    799: 
                    800: 
1.103     jwilke    801: \ Ghost Builder                                        06oct92py
                    802: 
1.105     jwilke    803: >CROSS
1.103     jwilke    804: hex
1.105     jwilke    805: \ Values for ghost magic
1.103     jwilke    806: 4711 Constant <fwd>             4712 Constant <res>
                    807: 4713 Constant <imm>             4714 Constant <do:>
                    808: 4715 Constant <skip>
                    809: 
1.105     jwilke    810: \ Bitmask for ghost flags
1.103     jwilke    811: 1 Constant <unique>
1.105     jwilke    812: 2 Constant <primitive>
                    813: 
                    814: \ FXIME: move this to general stuff?
                    815: : set-flag ( addr flag -- )
                    816:   over @ or swap ! ;
                    817: 
                    818: : reset-flag ( addr flag -- )
                    819:   invert over @ and swap ! ;
                    820: 
                    821: : get-flag ( addr flag -- f )
                    822:   swap @ and 0<> ;
                    823:   
1.103     jwilke    824: 
                    825: Struct
1.52      jwilke    826: 
1.103     jwilke    827:   \ link to next ghost (always the first element)
                    828:   cell% field >next-ghost
1.52      jwilke    829: 
1.103     jwilke    830:   \ type of ghost
                    831:   cell% field >magic
                    832:                
                    833:   \ pointer where ghost is in target, or if unresolved
                    834:   \ points to the where we have to resolve (linked-list)
                    835:   cell% field >link
1.52      jwilke    836: 
1.106     jwilke    837:   \ execution semantics (while target compiling) of ghost
1.103     jwilke    838:   cell% field >exec
1.52      jwilke    839: 
1.106     jwilke    840:   \ compilation action of this ghost; this is what is
                    841:   \ done to compile a call (or whatever) to this definition.
                    842:   \ E.g. >comp contains the semantic of postpone s"
                    843:   \ whereas >exec-compile contains the semantic of s"
1.105     jwilke    844:   cell% field >comp
                    845: 
1.106     jwilke    846:   \ Compilation sematics (while parsing) of this ghost. E.g. 
                    847:   \ "\" will skip the rest of line.
                    848:   \ These semantics are defined by Cond: and
                    849:   \ if a word is made immediate in instant, then the >exec2 field
                    850:   \ gets copied to here
1.103     jwilke    851:   cell% field >exec-compile
1.52      jwilke    852: 
1.106     jwilke    853:   \ Additional execution semantics of this ghost. This is used
                    854:   \ for code generated by instant and for the doer-xt of created
                    855:   \ words
1.103     jwilke    856:   cell% field >exec2
1.52      jwilke    857: 
1.103     jwilke    858:   cell% field >created
1.52      jwilke    859: 
1.103     jwilke    860:   \ the xt of the created ghost word itself
                    861:   cell% field >ghost-xt
1.52      jwilke    862: 
1.103     jwilke    863:   \ pointer to the counted string of the assiciated
                    864:   \ assembler label
                    865:   cell% field >asm-name
1.52      jwilke    866: 
1.103     jwilke    867:   \ mapped primitives have a special address, so
                    868:   \ we are able to detect them
                    869:   cell% field >asm-dummyaddr
                    870:                        
                    871:   \ for builder (create, variable...) words
                    872:   \ the execution symantics of words built are placed here
                    873:   \ this is a doer ghost or a dummy ghost
                    874:   cell% field >do:ghost
1.93      pazsan    875: 
1.103     jwilke    876:   cell% field >ghost-flags
1.93      pazsan    877: 
1.103     jwilke    878:   cell% field >ghost-name
1.52      jwilke    879: 
1.103     jwilke    880: End-Struct ghost-struct
1.52      jwilke    881: 
1.103     jwilke    882: Variable ghost-list
                    883: 0 ghost-list !
1.52      jwilke    884: 
                    885: Variable executed-ghost \ last executed ghost, needed in tcreate and gdoes>
1.103     jwilke    886: \ Variable last-ghost  \ last ghost that is created
1.52      jwilke    887: Variable last-header-ghost \ last ghost definitions with header
                    888: 
1.103     jwilke    889: \ space for ghosts resolve structure
                    890: \ we create ghosts in a sepearte space
                    891: \ and not to the current host dp, because this
                    892: \ gives trouble with instant while compiling and creating
                    893: \ a ghost for a forward reference
                    894: \ BTW: we cannot allocate another memory region
                    895: \ because allot will check the overflow!!
                    896: Variable cross-space-dp
                    897: Create cross-space 250000 allot here 100 allot align 
                    898: Constant cross-space-end
                    899: cross-space cross-space-dp !
                    900: Variable cross-space-dp-orig
                    901: 
                    902: : cross-space-used cross-space-dp @ cross-space - ;
                    903: 
                    904: : >space ( -- )
                    905:   dp @ cross-space-dp-orig !
                    906:   cross-space-dp @ dp ! ;
                    907: 
                    908: : space> ( -- )
                    909:   dp @ dup cross-space-dp !
                    910:   cross-space-end u> ABORT" CROSS: cross-space overflow"
                    911:   cross-space-dp-orig @ dp ! ;
                    912: 
1.106     jwilke    913: \ this is just for debugging, to see this in the backtrace
1.103     jwilke    914: : execute-exec execute ;
                    915: : execute-exec2 execute ;
                    916: : execute-exec-compile execute ;
                    917: 
                    918: : NoExec
                    919:   executed-ghost @ >exec2 @
                    920:   ?dup 
                    921:   IF   execute-exec2
                    922:   ELSE true ABORT" CROSS: Don't execute ghost, or immediate target word"
                    923:   THEN ;
                    924: 
1.105     jwilke    925: Defer is-forward
                    926: 
1.103     jwilke    927: : (ghostheader) ( -- )
1.121     jwilke    928:     ghost-list linked <fwd> , 0 , ['] NoExec , ['] is-forward ,
1.118     pazsan    929:     0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , ;
1.103     jwilke    930: 
                    931: : ghostheader ( -- ) (ghostheader) 0 , ;
                    932: 
                    933: ' Ghosts >wordlist Constant ghosts-wordlist
                    934: 
                    935: \ the current wordlist for ghost definitions in the host
                    936: ghosts-wordlist Value current-ghosts
                    937: 
1.52      jwilke    938: : Make-Ghost ( "name" -- ghost )
1.103     jwilke    939:   >space
                    940:   \ save current and create in ghost vocabulary
                    941:   get-current >r current-ghosts set-current
                    942:   >in @ Create >in !
                    943:   \ some forth systems like iForth need the immediate directly
                    944:   \ after the word is created
                    945:   \ restore current
                    946:   r> set-current
                    947:   here (ghostheader)
                    948:   bl word count string, align
                    949:   space>
                    950:   \ set ghost-xt field by doing a search
                    951:   dup >ghost-name count 
                    952:   current-ghosts search-wordlist
                    953:   0= ABORT" CROSS: Just created, must be there!"
                    954:   over >ghost-xt !
                    955:   DOES> 
                    956:       dup executed-ghost !
                    957:       >exec @ execute-exec ;
1.52      jwilke    958: 
                    959: \ ghost words                                          14oct92py
                    960: \                                          changed:    10may93py/jaw
                    961: 
1.103     jwilke    962: Defer search-ghosts
                    963: 
                    964: : (search-ghosts) ( adr len -- cfa true | 0 )
                    965:   current-ghosts search-wordlist ; 
                    966: 
                    967:   ' (search-ghosts) IS search-ghosts
                    968: 
                    969: : gsearch ( addr len -- ghost true | 0 )
                    970:   search-ghosts
                    971:   dup IF swap >body swap THEN ;
                    972: 
                    973: : gfind   ( string -- ghost true / string false )
1.52      jwilke    974: \ searches for string in word-list ghosts
1.103     jwilke    975:   \ dup count type space
                    976:   dup >r count gsearch
                    977:   dup IF rdrop ELSE r> swap THEN ;
1.52      jwilke    978: 
                    979: : gdiscover ( xt -- ghost true | xt false )
1.103     jwilke    980:   >r ghost-list
1.52      jwilke    981:   BEGIN @ dup
1.103     jwilke    982:   WHILE dup >magic @ <fwd> <>
                    983:         IF dup >link @ r@ =
                    984:            IF rdrop true EXIT THEN
                    985:         THEN
1.52      jwilke    986:   REPEAT
1.103     jwilke    987:   drop r> false ;
1.52      jwilke    988: 
1.105     jwilke    989: : xt>ghost ( xt -- ghost )
                    990:   gdiscover 0= ABORT" CROSS: ghost not found for this xt" ;
                    991: 
1.103     jwilke    992: : Ghost   ( "name" -- ghost )
                    993:   >in @ bl word gfind IF  nip EXIT  THEN
1.52      jwilke    994:   drop  >in !  Make-Ghost ;
                    995: 
                    996: : >ghostname ( ghost -- adr len )
1.103     jwilke    997:   >ghost-name count ;
                    998: 
                    999: : forward? ( ghost -- flag )
                   1000:   >magic @ <fwd> = ;
                   1001: 
                   1002: : undefined? ( ghost -- flag )
                   1003:   >magic @ dup <fwd> = swap <skip> = or ;
                   1004: 
                   1005: : immediate? ( ghost -- flag )
                   1006:   >magic @ <imm> = ;
                   1007: 
                   1008: Variable TWarnings
                   1009: TWarnings on
                   1010: Variable Exists-Warnings
                   1011: Exists-Warnings on
                   1012: 
                   1013: : exists-warning ( ghost -- ghost )
                   1014:   TWarnings @ Exists-Warnings @ and
                   1015:   IF dup >ghostname warnhead type ."  exists " THEN ;
                   1016: 
                   1017: \ : HeaderGhost Ghost ;
                   1018: 
                   1019: Variable reuse-ghosts reuse-ghosts off
                   1020: 
                   1021: : HeaderGhost ( "name" -- ghost )
                   1022:   >in @ 
                   1023:   bl word count 
                   1024: \  2dup type space
                   1025:   current-ghosts search-wordlist
                   1026:   IF  >body dup undefined? reuse-ghosts @ or
                   1027:       IF   nip EXIT
                   1028:       ELSE exists-warning 
                   1029:       THEN
                   1030:       drop >in ! 
                   1031:   ELSE >in ! 
                   1032:   THEN 
                   1033:   \ we keep the execution semantics of the prviously
                   1034:   \ defined words, this is a workaround
                   1035:   \ for the redefined \ until vocs work
                   1036:   Make-Ghost ;
                   1037:  
1.78      jwilke   1038: : .ghost ( ghost -- ) >ghostname type ;
                   1039: 
1.77      jwilke   1040: \ ' >ghostname ALIAS @name
1.52      jwilke   1041: 
1.115     jwilke   1042: : findghost ( "ghostname" -- ghost ) 
                   1043:   bl word gfind 0= ABORT" CROSS: Ghost don't exists" ;
                   1044: 
1.103     jwilke   1045: : [G'] ( -- ghost : name )
                   1046: \G ticks a ghost and returns its address
1.115     jwilke   1047:   findghost
                   1048:   state @ IF postpone literal THEN ; immediate
1.103     jwilke   1049: 
1.105     jwilke   1050: : g>xt ( ghost -- xt )
                   1051: \G Returns the xt (cfa) of a ghost. Issues a warning if undefined.
1.103     jwilke   1052:   dup undefined? ABORT" CROSS: forward " >link @ ;
                   1053:    
1.105     jwilke   1054: : g>body ( ghost -- body )
                   1055: \G Returns the body-address (pfa) of a ghost. 
                   1056: \G Issues a warning if undefined (a forward-reference).
                   1057:   g>xt X >body ;
                   1058: 
1.103     jwilke   1059: 1 Constant <label>
1.52      jwilke   1060: 
1.103     jwilke   1061: Struct
                   1062:   \ bitmask of address type (not used for now)
                   1063:   cell% field addr-type
                   1064:   \ if this address is an xt, this field points to the ghost
                   1065:   cell% field addr-xt-ghost
                   1066:   \ a bit mask that tells as what part of the cell
                   1067:   \ is refenced from an address pointer, used for assembler generation
                   1068:   cell% field addr-refs
                   1069: End-Struct addr-struct
                   1070: 
                   1071: : %allocerase ( align size -- addr )
                   1072:   dup >r %alloc dup r> erase ;
                   1073: 
                   1074: \ returns the addr struct, define it if 0 reference
                   1075: : define-addr-struct ( addr -- struct-addr )
                   1076:   dup @ ?dup IF nip EXIT THEN
                   1077:   addr-struct %allocerase tuck swap ! ;
1.75      jwilke   1078: 
1.118     pazsan   1079: >cross
                   1080: 
1.52      jwilke   1081: \ Predefined ghosts                                    12dec92py
                   1082: 
1.114     jwilke   1083: Ghost - drop \ need a ghost otherwise "-" would be treated as a number
                   1084: 
1.103     jwilke   1085: Ghost 0=                                        drop
                   1086: Ghost branch    Ghost ?branch                   2drop
                   1087: Ghost unloop    Ghost ;S                        2drop
1.118     pazsan   1088: Ghost lit       Ghost !                         2drop
                   1089: Ghost noop                                      drop
1.103     jwilke   1090: Ghost over      Ghost =         Ghost drop      2drop drop
                   1091: Ghost 2drop drop
                   1092: Ghost 2dup drop
1.115     jwilke   1093: Ghost call drop
                   1094: Ghost @ drop
                   1095: Ghost useraddr drop
                   1096: Ghost execute drop
                   1097: Ghost + drop
                   1098: Ghost decimal drop
                   1099: Ghost hex drop
1.118     pazsan   1100: Ghost lit@ drop
                   1101: Ghost lit-perform drop
                   1102: Ghost lit+ drop
                   1103: Ghost does-exec drop
1.52      jwilke   1104: 
1.119     pazsan   1105: Ghost :docol    Ghost :doesjump Ghost :dodoes   2drop drop
                   1106: Ghost :dovar                                   drop
                   1107: 
1.52      jwilke   1108: \ \ Parameter for target systems                         06oct92py
                   1109: 
1.103     jwilke   1110: 
1.52      jwilke   1111: \ we define it ans like...
                   1112: wordlist Constant target-environment
                   1113: 
1.103     jwilke   1114: \ save information of current dictionary to restore with environ>
                   1115: Variable env-current 
1.52      jwilke   1116: 
                   1117: : >ENVIRON get-current env-current ! target-environment set-current ;
                   1118: : ENVIRON> env-current @ set-current ; 
1.43      pazsan   1119: 
1.48      anton    1120: >TARGET
1.43      pazsan   1121: 
1.103     jwilke   1122: : environment? ( addr len -- [ x ] true | false )
                   1123: \G returns the content of environment variable and true or
                   1124: \G false if not present
                   1125:    target-environment search-wordlist 
                   1126:    IF EXECUTE true ELSE false THEN ;
                   1127: 
                   1128: : $has? ( addr len -- x | false )
                   1129: \G returns the content of environment variable 
                   1130: \G or false if not present
                   1131:    T environment? H dup IF drop THEN ;
                   1132: 
                   1133: : e? ( "name" -- x )
                   1134: \G returns the content of environment variable. 
                   1135: \G The variable is expected to exist. If not, issue an error.
                   1136:    bl word count T environment? H 
                   1137:    0= ABORT" environment variable not defined!" ;
                   1138: 
                   1139: : has? ( "name" --- x | false )
                   1140: \G returns the content of environment variable 
                   1141: \G or false if not present
                   1142:    bl word count T $has? H ;
1.52      jwilke   1143: 
1.48      anton    1144: 
1.54      pazsan   1145: >ENVIRON get-order get-current swap 1+ set-order
                   1146: true SetValue compiler
1.83      pazsan   1147: true SetValue cross
1.54      pazsan   1148: true SetValue standard-threading
                   1149: >TARGET previous
1.52      jwilke   1150: 
1.77      jwilke   1151: 0
1.103     jwilke   1152: [IFDEF] mach-file drop mach-file count 1 [THEN]
                   1153: [IFDEF] machine-file drop machine-file 1 [THEN]
                   1154: [IF]   included hex
1.77      jwilke   1155: [ELSE]  cr ." No machine description!" ABORT 
                   1156: [THEN]
1.43      pazsan   1157: 
1.53      jwilke   1158: >ENVIRON
                   1159: 
1.54      pazsan   1160: T has? ec H
                   1161: [IF]
                   1162: false DefaultValue relocate
                   1163: false DefaultValue file
                   1164: false DefaultValue OS
                   1165: false DefaultValue prims
                   1166: false DefaultValue floating
                   1167: false DefaultValue glocals
                   1168: false DefaultValue dcomps
                   1169: false DefaultValue hash
                   1170: false DefaultValue xconds
                   1171: false DefaultValue header
1.105     jwilke   1172: false DefaultValue backtrace
                   1173: false DefaultValue new-input
                   1174: false DefaultValue peephole
1.54      pazsan   1175: [THEN]
                   1176: 
                   1177: true DefaultValue interpreter
                   1178: true DefaultValue ITC
                   1179: false DefaultValue rom
1.73      jwilke   1180: true DefaultValue standardthreading
1.53      jwilke   1181: 
1.52      jwilke   1182: >TARGET
1.53      jwilke   1183: s" relocate" T environment? H 
1.103     jwilke   1184: \ JAW why set NIL to this?!
                   1185: [IF]   drop \ SetValue NIL
1.113     jwilke   1186: [ELSE] >ENVIRON X NIL SetValue relocate
1.53      jwilke   1187: [THEN]
1.113     jwilke   1188: >TARGET
                   1189: 
                   1190: 0 Constant NIL
1.43      pazsan   1191: 
                   1192: >CROSS
                   1193: 
1.52      jwilke   1194: \ \ Create additional parameters                         19jan95py
1.19      pazsan   1195: 
1.71      jwilke   1196: \ currently cross only works for host machines with address-unit-bits
                   1197: \ eual to 8 because of s! and sc!
                   1198: \ but I start to query the environment just to modularize a little bit
                   1199: 
                   1200: : check-address-unit-bits ( -- )       
                   1201: \      s" ADDRESS-UNIT-BITS" environment?
                   1202: \      IF 8 <> ELSE true THEN
                   1203: \      ABORT" ADDRESS-UNIT-BITS unknown or not equal to 8!"
                   1204: 
                   1205: \      shit, this doesn't work because environment? is only defined for 
                   1206: \      gforth.fi and not kernl???.fi
                   1207:        ;
                   1208: 
                   1209: check-address-unit-bits
                   1210: 8 Constant bits/byte   \ we define: byte is address-unit
                   1211: 
                   1212: 1 bits/byte lshift Constant maxbyte 
1.77      jwilke   1213: \ this sets byte size for the target machine, (probably right guess) jaw
1.67      jwilke   1214: 
1.19      pazsan   1215: T
1.71      jwilke   1216: NIL                    Constant TNIL
                   1217: cell                   Constant tcell
                   1218: cell<<                 Constant tcell<<
                   1219: cell>bit               Constant tcell>bit
                   1220: bits/char              Constant tbits/char
                   1221: bits/char H bits/byte T /      
                   1222:                        Constant tchar
                   1223: float                  Constant tfloat
                   1224: 1 bits/char lshift     Constant tmaxchar
                   1225: [IFUNDEF] bits/byte
                   1226: 8                      Constant tbits/byte
                   1227: [ELSE]
                   1228: bits/byte              Constant tbits/byte
                   1229: [THEN]
1.19      pazsan   1230: H
1.81      pazsan   1231: tbits/char bits/byte / Constant tbyte
1.71      jwilke   1232: 
1.19      pazsan   1233: 
1.48      anton    1234: \ Variables                                            06oct92py
                   1235: 
                   1236: Variable image
1.124     jwilke   1237: Variable (tlast)    
                   1238: (tlast) Value tlast TNIL tlast !  \ Last name field
1.48      anton    1239: Variable tlastcfa \ Last code field
                   1240: Variable bit$
1.52      jwilke   1241: 
                   1242: \ statistics                                           10jun97jaw
                   1243: 
                   1244: Variable headers-named 0 headers-named !
                   1245: Variable user-vars 0 user-vars !
                   1246: 
1.67      jwilke   1247: : target>bitmask-size ( u1 -- u2 )
                   1248:   1- tcell>bit rshift 1+ ;
                   1249: 
1.105     jwilke   1250: : allocatetarget ( size -- adr )
1.67      jwilke   1251:   dup allocate ABORT" CROSS: No memory for target"
                   1252:   swap over swap erase ;
1.52      jwilke   1253: 
1.54      pazsan   1254: \ \ memregion.fs
1.52      jwilke   1255: 
                   1256: 
                   1257: Variable last-defined-region    \ pointer to last defined region
                   1258: Variable region-link            \ linked list with all regions
                   1259: Variable mirrored-link          \ linked list for mirrored regions
                   1260: 0 dup mirrored-link ! region-link !
                   1261: 
1.124     jwilke   1262: : >rname 8 cells + ;
                   1263: : >rbm   4 cells + ; \ bitfield per cell witch indicates relocation
1.103     jwilke   1264: : >rmem  5 cells + ;
1.124     jwilke   1265: : >rtype 6 cells + ; \ field per cell witch points to a type struct
                   1266: : >rrom 7 cells + ;  \ a -1 indicates that this region is rom
1.67      jwilke   1267: : >rlink 3 cells + ;
1.52      jwilke   1268: : >rdp 2 cells + ;
                   1269: : >rlen cell+ ;
                   1270: : >rstart ;
                   1271: 
1.113     jwilke   1272: : (region) ( addr len region -- )
                   1273: \G change startaddress and length of an existing region
                   1274:   >r r@ last-defined-region !
                   1275:   r@ >rlen ! dup r@ >rstart ! r> >rdp ! ;
1.52      jwilke   1276: 
1.123     jwilke   1277: : region ( addr len -- "name" )                
1.103     jwilke   1278: \G create a new region
1.52      jwilke   1279:   \ check whether predefined region exists 
                   1280:   save-input bl word find >r >r restore-input throw r> r> 0= 
                   1281:   IF   \ make region
                   1282:        drop
                   1283:        save-input create restore-input throw
                   1284:        here last-defined-region !
                   1285:        over ( startaddr ) , ( length ) , ( dp ) ,
1.124     jwilke   1286:        region-link linked 0 , 0 , 0 , 0 , bl word count string,
1.52      jwilke   1287:   ELSE \ store new parameters in region
                   1288:         bl word drop
1.113     jwilke   1289:        >body (region)
1.52      jwilke   1290:   THEN ;
                   1291: 
1.103     jwilke   1292: : borders ( region -- startaddr endaddr ) 
                   1293: \G returns lower and upper region border
1.67      jwilke   1294:   dup >rstart @ swap >rlen @ over + ;
1.52      jwilke   1295: 
1.103     jwilke   1296: : extent  ( region -- startaddr len )   
                   1297: \G returns the really used area
1.67      jwilke   1298:   dup >rstart @ swap >rdp @ over - ;
1.52      jwilke   1299: 
1.103     jwilke   1300: : area ( region -- startaddr totallen ) 
                   1301: \G returns the total area
1.79      jwilke   1302:   dup >rstart @ swap >rlen @ ;
1.52      jwilke   1303: 
1.124     jwilke   1304: : mirrored ( -- )                              
                   1305: \G mark last defined region as mirrored
1.52      jwilke   1306:   mirrored-link
1.68      jwilke   1307:   align linked last-defined-region @ , ;
1.52      jwilke   1308: 
1.124     jwilke   1309: : writeprotected
                   1310: \G mark a region as write protected
                   1311:   -1 last-defined-region @ >rrom ! ;
                   1312: 
1.67      jwilke   1313: : .addr ( u -- )
                   1314: \G prints a 16 or 32 Bit nice hex value
1.52      jwilke   1315:   base @ >r hex
                   1316:   tcell 2 u>
1.77      jwilke   1317:   IF s>d <# # # # # [char] . hold # # # # #> type
1.52      jwilke   1318:   ELSE s>d <# # # # # # #> type
1.103     jwilke   1319:   THEN r> base ! space ;
1.52      jwilke   1320: 
                   1321: : .regions                      \G display region statistic
                   1322: 
                   1323:   \ we want to list the regions in the right order
                   1324:   \ so first collect all regions on stack
                   1325:   0 region-link @
                   1326:   BEGIN dup WHILE dup @ REPEAT drop
                   1327:   BEGIN dup
1.67      jwilke   1328:   WHILE cr
                   1329:         0 >rlink - >r
                   1330:         r@ >rname count tuck type
1.52      jwilke   1331:         12 swap - 0 max spaces space
1.67      jwilke   1332:         ." Start: " r@ >rstart @ dup .addr space
                   1333:         ." End: " r@ >rlen @ + .addr space
                   1334:         ." DP: " r> >rdp @ .addr
1.52      jwilke   1335:   REPEAT drop
1.53      jwilke   1336:   s" rom" T $has? H 0= ?EXIT
1.52      jwilke   1337:   cr ." Mirrored:"
                   1338:   mirrored-link @
                   1339:   BEGIN dup
1.67      jwilke   1340:   WHILE space dup cell+ @ >rname count type @
1.52      jwilke   1341:   REPEAT drop cr
                   1342:   ;
                   1343: 
                   1344: \ -------- predefined regions
                   1345: 
                   1346: 0 0 region address-space
                   1347: \ total memory addressed and used by the target system
                   1348: 
                   1349: 0 0 region dictionary
                   1350: \ rom area for the compiler
                   1351: 
1.53      jwilke   1352: T has? rom H
1.52      jwilke   1353: [IF]
                   1354: 0 0 region ram-dictionary mirrored
                   1355: \ ram area for the compiler
                   1356: [ELSE]
                   1357: ' dictionary ALIAS ram-dictionary
                   1358: [THEN]
                   1359: 
                   1360: 0 0 region return-stack
                   1361: 
                   1362: 0 0 region data-stack
                   1363: 
                   1364: 0 0 region tib-region
                   1365: 
                   1366: ' dictionary ALIAS rom-dictionary
                   1367: 
                   1368: 
1.105     jwilke   1369: : setup-target ( -- )   \G initialize target's memory space
1.53      jwilke   1370:   s" rom" T $has? H
1.52      jwilke   1371:   IF  \ check for ram and rom...
1.72      jwilke   1372:       \ address-space area nip 0<>
1.67      jwilke   1373:       ram-dictionary area nip 0<>
                   1374:       rom-dictionary area nip 0<>
1.72      jwilke   1375:       and 0=
1.52      jwilke   1376:       ABORT" CROSS: define address-space, rom- , ram-dictionary, with rom-support!"
                   1377:   THEN
                   1378:   address-space area nip
                   1379:   IF
                   1380:       address-space area
                   1381:   ELSE
                   1382:       dictionary area
                   1383:   THEN
1.67      jwilke   1384:   nip 0=
1.52      jwilke   1385:   ABORT" CROSS: define at least address-space or dictionary!!"
1.67      jwilke   1386: 
                   1387:   \ allocate target for each region
                   1388:   region-link
                   1389:   BEGIN @ dup
                   1390:   WHILE dup
                   1391:         0 >rlink - >r
                   1392:         r@ >rlen @
                   1393:         IF      \ allocate mem
1.103     jwilke   1394:                 r@ >rlen @ allocatetarget dup image !
1.67      jwilke   1395:                 r@ >rmem !
                   1396: 
1.103     jwilke   1397:                 r@ >rlen @
1.67      jwilke   1398:                 target>bitmask-size allocatetarget
1.72      jwilke   1399:                 dup bit$ !
1.103     jwilke   1400:                 r@ >rbm !
1.67      jwilke   1401: 
1.103     jwilke   1402:                r@ >rlen @
                   1403:                tcell / 1+ cells allocatetarget r@ >rtype !
                   1404: 
                   1405:                rdrop
1.67      jwilke   1406:         ELSE    r> drop THEN
1.72      jwilke   1407:    REPEAT drop ;
                   1408: 
1.105     jwilke   1409: \ MakeKernel                                                           22feb99jaw
1.72      jwilke   1410: 
1.113     jwilke   1411: : makekernel ( targetsize -- )
                   1412: \G convenience word to setup the memory of the target
                   1413: \G used by main.fs of the c-engine based systems
                   1414:   100 swap dictionary (region)
                   1415:   setup-target ;
1.72      jwilke   1416: 
                   1417: >MINIMAL
                   1418: : makekernel makekernel ;
                   1419: >CROSS
1.52      jwilke   1420: 
1.54      pazsan   1421: \ \ switched tdp for rom support                               03jun97jaw
1.52      jwilke   1422: 
                   1423: \ second value is here to store some maximal value for statistics
                   1424: \ tempdp is also embedded here but has nothing to do with rom support
                   1425: \ (needs switched dp)
                   1426: 
                   1427: variable tempdp        0 ,     \ temporary dp for resolving
                   1428: variable tempdp-save
                   1429: 
                   1430: 0 [IF]
                   1431: variable romdp 0 ,      \ Dictionary-Pointer for ramarea
                   1432: variable ramdp 0 ,      \ Dictionary-Pointer for romarea
                   1433: 
                   1434: \
                   1435: variable sramdp                \ start of ram-area for forth
                   1436: variable sromdp                \ start of rom-area for forth
                   1437: 
                   1438: [THEN]
                   1439: 
1.123     jwilke   1440: 0 Value current-region
                   1441: 0 Value tdp
                   1442: Variable fixed         \ flag: true: no automatic switching
1.52      jwilke   1443:                        \       false: switching is done automatically
                   1444: 
                   1445: \ Switch-Policy:
                   1446: \
                   1447: \ a header is always compiled into rom
                   1448: \ after a created word (create and variable) compilation goes to ram
                   1449: \
                   1450: \ Be careful: If you want to make the data behind create into rom
                   1451: \ you have to put >rom before create!
                   1452: 
                   1453: variable constflag constflag off
                   1454: 
1.67      jwilke   1455: : activate ( region -- )
                   1456: \G next code goes to this region
1.123     jwilke   1457:   dup to current-region >rdp to tdp ;
1.67      jwilke   1458: 
1.52      jwilke   1459: : (switchram)
1.53      jwilke   1460:   fixed @ ?EXIT s" rom" T $has? H 0= ?EXIT
1.67      jwilke   1461:   ram-dictionary activate ;
1.52      jwilke   1462: 
                   1463: : switchram
                   1464:   constflag @
                   1465:   IF constflag off ELSE (switchram) THEN ;
                   1466: 
                   1467: : switchrom
1.67      jwilke   1468:   fixed @ ?EXIT rom-dictionary activate ;
1.52      jwilke   1469: 
                   1470: : >tempdp ( addr -- ) 
                   1471:   tdp tempdp-save ! tempdp to tdp tdp ! ;
                   1472: : tempdp> ( -- )
                   1473:   tempdp-save @ to tdp ;
                   1474: 
                   1475: : >ram  fixed off (switchram) fixed on ;
                   1476: : >rom  fixed off switchrom fixed on ;
                   1477: : >auto fixed off switchrom ;
                   1478: 
                   1479: 
                   1480: 
                   1481: \ : romstart dup sromdp ! romdp ! ;
                   1482: \ : ramstart dup sramdp ! ramdp ! ;
                   1483: 
1.67      jwilke   1484: \ default compilation goes to rom
1.52      jwilke   1485: \ when romable support is off, only the rom switch is used (!!)
                   1486: >auto
                   1487: 
1.48      anton    1488: : there  tdp @ ;
                   1489: 
1.52      jwilke   1490: >TARGET
1.48      anton    1491: 
1.52      jwilke   1492: \ \ Target Memory Handling
1.1       anton    1493: 
                   1494: \ Byte ordering and cell size                          06oct92py
                   1495: 
1.19      pazsan   1496: : cell+         tcell + ;
                   1497: : cells         tcell<< lshift ;
1.71      jwilke   1498: : chars         tchar * ;
                   1499: : char+                tchar + ;
1.19      pazsan   1500: : floats       tfloat * ;
1.6       anton    1501:     
1.1       anton    1502: >CROSS
1.19      pazsan   1503: : cell/         tcell<< rshift ;
1.1       anton    1504: >TARGET
                   1505: 20 CONSTANT bl
1.52      jwilke   1506: \ TNIL Constant NIL
1.1       anton    1507: 
                   1508: >CROSS
                   1509: 
1.20      pazsan   1510: bigendian
                   1511: [IF]
1.106     jwilke   1512:    : DS!  ( d addr -- )  tcell bounds swap 1-
1.20      pazsan   1513:      DO  maxbyte ud/mod rot I c!  -1 +LOOP  2drop ;
1.106     jwilke   1514:    : DS@  ( addr -- d )  >r 0 0 r> tcell bounds
                   1515:      DO  maxbyte * swap maxbyte um* rot + swap I c@ + swap  LOOP ;
1.57      pazsan   1516:    : Sc!  ( n addr -- )  >r s>d r> tchar bounds swap 1-
                   1517:      DO  maxbyte ud/mod rot I c!  -1 +LOOP  2drop ;
                   1518:    : Sc@  ( addr -- n )  >r 0 0 r> tchar bounds
                   1519:      DO  maxbyte * swap maxbyte um* rot + swap I c@ + swap  LOOP d>s ;
1.19      pazsan   1520: [ELSE]
1.106     jwilke   1521:    : DS!  ( d addr -- )  tcell bounds
1.20      pazsan   1522:      DO  maxbyte ud/mod rot I c!  LOOP  2drop ;
1.106     jwilke   1523:    : DS@  ( addr -- n )  >r 0 0 r> tcell bounds swap 1-
                   1524:      DO  maxbyte * swap maxbyte um* rot + swap I c@ + swap  -1 +LOOP ;
1.57      pazsan   1525:    : Sc!  ( n addr -- )  >r s>d r> tchar bounds
                   1526:      DO  maxbyte ud/mod rot I c!  LOOP  2drop ;
                   1527:    : Sc@  ( addr -- n )  >r 0 0 r> tchar bounds swap 1-
                   1528:      DO  maxbyte * swap maxbyte um* rot + swap I c@ + swap  -1 +LOOP d>s ;
1.1       anton    1529: [THEN]
                   1530: 
1.106     jwilke   1531: : S! ( n addr -- ) >r s>d r> DS! ;
                   1532: : S@ ( addr -- n ) DS@ d>s ;
                   1533: 
1.67      jwilke   1534: : taddr>region ( taddr -- region | 0 )
                   1535: \G finds for a target-address the correct region
                   1536: \G returns 0 if taddr is not in range of a target memory region
                   1537:   region-link
                   1538:   BEGIN @ dup
                   1539:   WHILE dup >r
                   1540:         0 >rlink - >r
                   1541:         r@ >rlen @
                   1542:         IF      dup r@ borders within
                   1543:                 IF r> r> drop nip EXIT THEN
                   1544:         THEN
                   1545:         r> drop
                   1546:         r>
                   1547:   REPEAT
                   1548:   2drop 0 ;
                   1549: 
1.103     jwilke   1550: : taddr>region-abort ( taddr -- region | 0 )
1.122     jwilke   1551: \G Same as taddr>region but aborts if taddr is not
                   1552: \G a valid address in the target address space
1.103     jwilke   1553:   dup taddr>region dup 0= 
                   1554:   IF    drop cr ." Wrong address: " .addr
                   1555:         -1 ABORT" Address out of range!"
                   1556:   THEN nip ;
                   1557: 
1.67      jwilke   1558: : (>regionimage) ( taddr -- 'taddr )
                   1559:   dup
                   1560:   \ find region we want to address
1.103     jwilke   1561:   taddr>region-abort
1.67      jwilke   1562:   >r
                   1563:   \ calculate offset in region
                   1564:   r@ >rstart @ -
                   1565:   \ add regions real address in our memory
                   1566:   r> >rmem @ + ;
                   1567: 
1.124     jwilke   1568: : (>regionramimage) ( taddr -- 'taddr )
                   1569: \G same as (>regionimage) but aborts if the region is rom
                   1570:   dup
                   1571:   \ find region we want to address
                   1572:   taddr>region-abort
                   1573:   >r
                   1574:   r@ >rrom @ ABORT" CROSS: region is write-protected!"
                   1575:   \ calculate offset in region
                   1576:   r@ >rstart @ -
                   1577:   \ add regions real address in our memory
                   1578:   r> >rmem @ + ;
                   1579: 
1.103     jwilke   1580: : (>regionbm) ( taddr -- 'taddr bitmaskbaseaddr )
                   1581:   dup
                   1582:   \ find region we want to address
                   1583:   taddr>region-abort
                   1584:   >r
                   1585:   \ calculate offset in region
                   1586:   r@ >rstart @ -
                   1587:   \ add regions real address in our memory
                   1588:   r> >rbm @ ;
                   1589: 
                   1590: : (>regiontype) ( taddr -- 'taddr )
                   1591:   dup
                   1592:   \ find region we want to address
                   1593:   taddr>region-abort
                   1594:   >r
                   1595:   \ calculate offset in region
                   1596:   r@ >rstart @ - tcell / cells
                   1597:   \ add regions real address in our memory
                   1598:   r> >rtype @ + ;
                   1599:   
1.1       anton    1600: \ Bit string manipulation                               06oct92py
                   1601: \                                                       9may93jaw
                   1602: CREATE Bittable 80 c, 40 c, 20 c, 10 c, 8 c, 4 c, 2 c, 1 c,
                   1603: : bits ( n -- n ) chars Bittable + c@ ;
                   1604: 
                   1605: : >bit ( addr n -- c-addr mask ) 8 /mod rot + swap bits ;
                   1606: : +bit ( addr n -- )  >bit over c@ or swap c! ;
1.4       pazsan   1607: : -bit ( addr n -- )  >bit invert over c@ and swap c! ;
1.67      jwilke   1608: 
1.103     jwilke   1609: : @relbit ( taddr -- f ) (>regionbm) swap cell/ >bit swap c@ and ;
                   1610: 
1.84      jwilke   1611: : (relon) ( taddr -- )  
                   1612:   [ [IFDEF] fd-relocation-table ]
                   1613:   s" +" fd-relocation-table write-file throw
                   1614:   dup s>d <# #s #> fd-relocation-table write-line throw
                   1615:   [ [THEN] ]
1.103     jwilke   1616:   (>regionbm) swap cell/ +bit ;
1.84      jwilke   1617: 
                   1618: : (reloff) ( taddr -- ) 
                   1619:   [ [IFDEF] fd-relocation-table ]
                   1620:   s" -" fd-relocation-table write-file throw
                   1621:   dup s>d <# #s #> fd-relocation-table write-line throw
                   1622:   [ [THEN] ]
1.103     jwilke   1623:   (>regionbm) swap cell/ -bit ;
1.67      jwilke   1624: 
                   1625: : (>image) ( taddr -- absaddr ) image @ + ;
                   1626: 
                   1627: DEFER >image
1.124     jwilke   1628: DEFER >ramimage
1.67      jwilke   1629: DEFER relon
                   1630: DEFER reloff
                   1631: DEFER correcter
                   1632: 
                   1633: T has? relocate H
                   1634: [IF]
                   1635: ' (relon) IS relon
                   1636: ' (reloff) IS reloff
1.103     jwilke   1637: ' (>regionimage) IS >image
1.124     jwilke   1638: ' (>regionimage) IS >ramimage
1.67      jwilke   1639: [ELSE]
                   1640: ' drop IS relon
                   1641: ' drop IS reloff
1.68      jwilke   1642: ' (>regionimage) IS >image
1.124     jwilke   1643: ' (>regionimage) IS >ramimage
1.67      jwilke   1644: [THEN]
1.1       anton    1645: 
1.124     jwilke   1646: : enforce-writeprotection ( -- )
                   1647:   ['] (>regionramimage) IS >ramimage ;
                   1648: 
                   1649: : relax-writeprotection ( -- )
                   1650:   ['] (>regionimage) IS >ramimage ;
                   1651: 
                   1652: : writeprotection-relaxed? ( -- )
                   1653:   ['] >ramimage >body @ ['] (>regionimage) = ;
                   1654: 
1.1       anton    1655: \ Target memory access                                 06oct92py
                   1656: 
                   1657: : align+  ( taddr -- rest )
1.48      anton    1658:     tcell tuck 1- and - [ tcell 1- ] Literal and ;
1.22      anton    1659: : cfalign+  ( taddr -- rest )
1.39      pazsan   1660:     \ see kernel.fs:cfaligned
1.43      pazsan   1661:     /maxalign tuck 1- and - [ /maxalign 1- ] Literal and ;
1.1       anton    1662: 
                   1663: >TARGET
                   1664: : aligned ( taddr -- ta-addr )  dup align+ + ;
                   1665: \ assumes cell alignment granularity (as GNU C)
                   1666: 
1.22      anton    1667: : cfaligned ( taddr1 -- taddr2 )
1.39      pazsan   1668:     \ see kernel.fs
1.22      anton    1669:     dup cfalign+ + ;
                   1670: 
1.52      jwilke   1671: : @  ( taddr -- w )     >image S@ ;
1.124     jwilke   1672: : !  ( w taddr -- )     >ramimage S! ;
1.57      pazsan   1673: : c@ ( taddr -- char )  >image Sc@ ;
1.124     jwilke   1674: : c! ( char taddr -- )  >ramimage Sc! ;
1.7       anton    1675: : 2@ ( taddr -- x1 x2 ) T dup cell+ @ swap @ H ;
1.82      pazsan   1676: : 2! ( x1 x2 taddr -- ) T tuck ! cell+ ! H ;
1.1       anton    1677: 
                   1678: \ Target compilation primitives                        06oct92py
                   1679: \ included A!                                          16may93jaw
                   1680: 
                   1681: : here  ( -- there )    there ;
                   1682: : allot ( n -- )        tdp +! ;
1.78      jwilke   1683: : ,     ( w -- )        T here H tcell T allot  ! H ;
                   1684: : c,    ( char -- )     T here H tchar T allot c! H ;
                   1685: : align ( -- )          T here H align+ 0 ?DO  bl T c, H tchar +LOOP ;
1.22      anton    1686: : cfalign ( -- )
1.78      jwilke   1687:     T here H cfalign+ 0 ?DO  bl T c, H tchar +LOOP ;
1.1       anton    1688: 
1.71      jwilke   1689: : >address             dup 0>= IF tbyte / THEN ; \ ?? jaw 
1.59      pazsan   1690: : A!                    swap >address swap dup relon T ! H ;
                   1691: : A,    ( w -- )        >address T here H relon T , H ;
1.1       anton    1692: 
1.118     pazsan   1693: \ high-level ghosts
                   1694: 
                   1695: >CROSS
                   1696: 
                   1697: Ghost (do)      Ghost (?do)                     2drop
                   1698: Ghost (for)                                     drop
                   1699: Ghost (loop)    Ghost (+loop)                   2drop
                   1700: Ghost (next)                                    drop
                   1701: Ghost (does>)   Ghost (compile)                 2drop
                   1702: Ghost (.")      Ghost (S")      Ghost (ABORT")  2drop drop
                   1703: Ghost (C")                                      drop
                   1704: Ghost '                                         drop
                   1705: 
                   1706: \ user ghosts
                   1707: 
                   1708: Ghost state drop
1.103     jwilke   1709: 
                   1710: \ \ --------------------        Host/Target copy etc.          29aug01jaw
                   1711: 
                   1712: 
                   1713: >CROSS
                   1714: 
1.107     jwilke   1715: : TD! >image DS! ;
                   1716: : TD@ >image DS@ ;
                   1717: 
1.103     jwilke   1718: : th-count ( taddr -- host-addr len )
                   1719: \G returns host address of target string
                   1720:   assert1( tbyte 1 = )
                   1721:   dup X c@ swap X char+ >image swap ;
                   1722: 
                   1723: : ht-move ( haddr taddr len -- )
                   1724: \G moves data from host-addr to destination in target-addr
                   1725: \G character by character
                   1726:   swap -rot bounds ?DO I c@ over X c! X char+ LOOP drop ;
                   1727: 
                   1728: 2Variable last-string
                   1729: 
                   1730: : ht-string,  ( addr count -- )
                   1731:   dup there swap last-string 2!
                   1732:   dup T c, H bounds  ?DO  I c@ T c, H  LOOP ; 
                   1733: 
                   1734: >TARGET
                   1735: 
                   1736: : count dup X c@ swap X char+ swap ;
1.110     jwilke   1737: 
                   1738: : on           -1 -1 rot TD!  ; 
1.103     jwilke   1739: : off          T 0 swap ! H ;
1.1       anton    1740: 
1.107     jwilke   1741: : tcmove ( source dest len -- )
                   1742: \G cmove in target memory
                   1743:   tchar * bounds
                   1744:   ?DO  dup T c@ H I T c! H 1+
                   1745:   tchar +LOOP  drop ;
                   1746: 
                   1747: : td, ( d -- )
                   1748: \G Store a host value as one cell into the target
                   1749:   there tcell X allot TD! ;
                   1750: 
                   1751: \ \ Load Assembler
                   1752: 
                   1753: >TARGET
                   1754: H also Forth definitions
                   1755: 
                   1756: \ FIXME: should we include the assembler really in the forth 
                   1757: \ dictionary?!?!?!? This conflicts with the existing assembler 
                   1758: \ of the host forth system!!
                   1759: [IFDEF] asm-include asm-include [THEN] hex
                   1760: 
                   1761: previous
                   1762: 
                   1763: 
1.52      jwilke   1764: >CROSS
                   1765: 
1.103     jwilke   1766: : (cc) T a, H ;                                        ' (cc) plugin-of colon,
1.105     jwilke   1767: : (prim) T a, H ;                              ' (prim) plugin-of prim,
1.52      jwilke   1768: 
1.118     pazsan   1769: : (cr) >tempdp colon, tempdp> ;                 ' (cr) plugin-of colon-resolve
1.103     jwilke   1770: : (ar) T ! H ;                                 ' (ar) plugin-of addr-resolve
1.54      pazsan   1771: : (dr)  ( ghost res-pnt target-addr addr )
                   1772:        >tempdp drop over 
                   1773:        dup >magic @ <do:> =
                   1774:        IF      doer,
                   1775:        ELSE    dodoes,
                   1776:        THEN 
1.103     jwilke   1777:        tempdp> ;                               ' (dr) plugin-of doer-resolve
1.54      pazsan   1778: 
                   1779: : (cm) ( -- addr )
1.121     jwilke   1780:     there -1 colon, ;                          ' (cm) plugin-of colonmark,
1.1       anton    1781: 
1.52      jwilke   1782: >TARGET
1.105     jwilke   1783: : compile, ( xt -- )
1.107     jwilke   1784:   dup xt>ghost >comp @ EXECUTE ;
1.52      jwilke   1785: >CROSS
1.1       anton    1786: 
1.102     jwilke   1787: \ resolve structure
                   1788: 
                   1789: : >next ;              \ link to next field
                   1790: : >tag cell+ ;         \ indecates type of reference: 0: call, 1: address, 2: doer
                   1791: : >taddr cell+ cell+ ; 
                   1792: : >ghost 3 cells + ;
                   1793: : >file 4 cells + ;
                   1794: : >line 5 cells + ;
                   1795: 
                   1796: : (refered) ( ghost addr tag -- )
                   1797: \G creates a reference to ghost at address taddr
1.103     jwilke   1798:     >space
                   1799:     rot >link linked
1.102     jwilke   1800:     ( taddr tag ) ,
                   1801:     ( taddr ) , 
                   1802:     last-header-ghost @ , 
                   1803:     loadfile , 
                   1804:     sourceline# , 
1.103     jwilke   1805:     space>
1.118     pazsan   1806: ;
                   1807: 
1.52      jwilke   1808: : refered ( ghost tag -- )
1.53      jwilke   1809: \G creates a resolve structure
1.54      pazsan   1810:     T here aligned H swap (refered)
                   1811:   ;
                   1812: 
                   1813: : killref ( addr ghost -- )
                   1814: \G kills a forward reference to ghost at position addr
                   1815: \G this is used to eleminate a :dovar refence after making a DOES>
                   1816:     dup >magic @ <fwd> <> IF 2drop EXIT THEN
                   1817:     swap >r >link
                   1818:     BEGIN dup @ dup  ( addr last this )
                   1819:     WHILE dup >taddr @ r@ =
                   1820:         IF   @ over !
                   1821:         ELSE nip THEN
                   1822:     REPEAT rdrop 2drop 
1.53      jwilke   1823:   ;
1.48      anton    1824: 
1.52      jwilke   1825: Defer resolve-warning
1.1       anton    1826: 
1.52      jwilke   1827: : reswarn-test ( ghost res-struct -- ghost res-struct )
1.78      jwilke   1828:   over cr ." Resolving " .ghost dup ."  in " >ghost @ .ghost ;
1.1       anton    1829: 
1.52      jwilke   1830: : reswarn-forward ( ghost res-struct -- ghost res-struct )
1.78      jwilke   1831:   over warnhead .ghost dup ."  is referenced in " 
                   1832:   >ghost @ .ghost ;
1.1       anton    1833: 
1.52      jwilke   1834: \ ' reswarn-test IS resolve-warning
                   1835:  
1.1       anton    1836: \ resolve                                              14oct92py
                   1837: 
1.54      pazsan   1838:  : resolve-loop ( ghost resolve-list tcfa -- )
                   1839:     >r
                   1840:     BEGIN dup WHILE 
                   1841: \        dup >tag @ 2 = IF reswarn-forward THEN
                   1842:          resolve-warning 
                   1843:          r@ over >taddr @ 
                   1844:          2 pick >tag @
                   1845:          CASE  0 OF colon-resolve ENDOF
                   1846:                1 OF addr-resolve ENDOF
                   1847:                2 OF doer-resolve ENDOF
                   1848:          ENDCASE
                   1849:          @ \ next list element
                   1850:     REPEAT 2drop rdrop 
                   1851:   ;
1.52      jwilke   1852: 
                   1853: \ : resolve-loop ( ghost tcfa -- ghost tcfa )
                   1854: \  >r dup >link @
                   1855: \  BEGIN  dup  WHILE  dup T @ H r@ rot T ! H REPEAT  drop r> ;
1.1       anton    1856: 
                   1857: \ exists                                                9may93jaw
                   1858: 
1.103     jwilke   1859: : exists ( ghost tcfa -- )
                   1860: \G print warning and set new target link in ghost
                   1861:   swap exists-warning
                   1862:   >link ! ;
1.52      jwilke   1863: 
1.105     jwilke   1864: : colon-resolved   ( ghost -- )
1.121     jwilke   1865: \ compiles a call to a colon definition,
                   1866: \ compile action for >comp field
                   1867:     >link @ colon, ; 
1.105     jwilke   1868: 
                   1869: : prim-resolved  ( ghost -- )
1.121     jwilke   1870: \ compiles a call to a primitive
1.105     jwilke   1871:     >link @ prim, ;
                   1872: 
1.121     jwilke   1873: : (is-forward)   ( ghost -- )
                   1874:     colonmark, 0 (refered) ; \ compile space for call
                   1875: ' (is-forward) IS is-forward
                   1876: 
1.118     pazsan   1877: 0 Value resolved
1.1       anton    1878: 
1.122     jwilke   1879: : resolve-forward-references ( ghost resolve-list -- )
                   1880:     \ loop through forward referencies
                   1881:     comp-state @ >r Resolving comp-state !
                   1882:     over >link @ resolve-loop 
                   1883:     r> comp-state !
                   1884: 
                   1885:     ['] noop IS resolve-warning ;
                   1886: 
                   1887: 
                   1888: : (resolve) ( ghost tcfa -- ghost resolve-list )
                   1889:     \ check for a valid address, it is a primitive reference
                   1890:     \ otherwise
1.103     jwilke   1891:     dup taddr>region 0<> IF
1.122     jwilke   1892:       \ define this address in the region address type table
1.103     jwilke   1893:       2dup (>regiontype) define-addr-struct addr-xt-ghost 
                   1894:       \ we define new address only if empty
1.105     jwilke   1895:       \ this is for not to take over the alias ghost
                   1896:       \ (different ghost, but identical xt)
1.103     jwilke   1897:       \ but the very first that really defines it
                   1898:       dup @ 0= IF ! ELSE 2drop THEN
                   1899:     THEN
1.122     jwilke   1900:     swap >r
1.118     pazsan   1901:     r@ to resolved
1.121     jwilke   1902: 
                   1903: \    r@ >comp @ ['] is-forward =
                   1904: \    ABORT" >comp action not set on a resolved ghost"
                   1905: 
                   1906:     \ copmile action defaults to colon-resolved
                   1907:     \ if this is not right something must be set before
                   1908:     \ calling resolve
                   1909:     r@ >comp @ ['] is-forward = IF
1.122     jwilke   1910:        ['] colon-resolved r@ >comp !
                   1911:    THEN
                   1912:     r@ >link @ swap \ ( list tcfa R: ghost )
                   1913:     \ mark ghost as resolved
                   1914:     r@ >link ! <res> r@ >magic !
                   1915:     r> swap ;
1.54      pazsan   1916: 
1.122     jwilke   1917: : resolve  ( ghost tcfa -- )
                   1918: \G resolve referencies to ghost with tcfa
                   1919:     \ is ghost resolved?, second resolve means another 
                   1920:     \ definition with the same name
                   1921:     over undefined? 0= IF  exists EXIT THEN
                   1922:     (resolve)
                   1923:     ( ghost resolve-list )
                   1924:     resolve-forward-references ;
                   1925: 
                   1926: : resolve-noforwards ( ghost tcfa -- )
                   1927: \G Same as resolve but complain if there are any
                   1928: \G forward references on this ghost
                   1929:    \ is ghost resolved?, second resolve means another 
                   1930:    \ definition with the same name
                   1931:    over undefined? 0= IF  exists EXIT THEN
                   1932:    (resolve)
                   1933:    IF cr ." No forward references allowed on: " .ghost cr
                   1934:       -1 ABORT" Illegal forward reference"
                   1935:    THEN
                   1936:    drop ;
1.1       anton    1937: 
                   1938: \ gexecute ghost,                                      01nov92py
                   1939: 
1.103     jwilke   1940: : (gexecute)   ( ghost -- )
1.105     jwilke   1941:   dup >comp @ EXECUTE ;
1.103     jwilke   1942: 
                   1943: : gexecute ( ghost -- )
1.120     jwilke   1944:   dup >magic @ <imm> = ABORT" CROSS: gexecute on immediate word"
1.103     jwilke   1945:   (gexecute) ;
1.52      jwilke   1946: 
                   1947: : addr,  ( ghost -- )
1.105     jwilke   1948:   dup forward? IF  1 refered 0 T a, H ELSE >link @ T a, H THEN ;
1.52      jwilke   1949: 
1.1       anton    1950: \ .unresolved                                          11may93jaw
                   1951: 
                   1952: variable ResolveFlag
                   1953: 
                   1954: \ ?touched                                             11may93jaw
                   1955: 
1.52      jwilke   1956: : ?touched ( ghost -- flag ) dup forward? swap >link @
1.1       anton    1957:                                0 <> and ;
                   1958: 
1.53      jwilke   1959: : .forwarddefs ( ghost -- )
1.103     jwilke   1960:   ."  appeared in:"
                   1961:   >link
                   1962:   BEGIN        @ dup
                   1963:   WHILE        cr 5 spaces
                   1964:        dup >ghost @ .ghost
                   1965:        ."  file " dup >file @ ?dup IF count type ELSE ." CON" THEN
                   1966:        ."  line " dup >line @ .dec
                   1967:   REPEAT 
                   1968:   drop ;
                   1969: 
                   1970: : ?resolved  ( ghost -- )
                   1971:   dup ?touched
                   1972:   IF   ResolveFlag on 
                   1973:        dup cr .ghost .forwarddefs
1.53      jwilke   1974:   ELSE         drop 
                   1975:   THEN ;
1.1       anton    1976: 
                   1977: : .unresolved  ( -- )
                   1978:   ResolveFlag off cr ." Unresolved: "
1.103     jwilke   1979:   ghost-list
1.1       anton    1980:   BEGIN @ dup
                   1981:   WHILE dup ?resolved
1.10      anton    1982:   REPEAT drop ResolveFlag @
                   1983:   IF
1.48      anton    1984:       -1 abort" Unresolved words!"
1.10      anton    1985:   ELSE
                   1986:       ." Nothing!"
                   1987:   THEN
                   1988:   cr ;
1.1       anton    1989: 
1.52      jwilke   1990: : .stats
                   1991:   base @ >r decimal
                   1992:   cr ." named Headers: " headers-named @ . 
                   1993:   r> base ! ;
                   1994: 
1.79      jwilke   1995: >MINIMAL
                   1996: 
                   1997: : .unresolved .unresolved ;
                   1998: 
1.1       anton    1999: >CROSS
                   2000: \ Header states                                        12dec92py
                   2001: 
1.102     jwilke   2002: \ : flag! ( 8b -- )   tlast @ dup >r T c@ xor r> c! H ;
1.90      pazsan   2003: bigendian [IF] 0 [ELSE] tcell 1- [THEN] Constant flag+
                   2004: : flag! ( w -- )   tlast @ flag+ + dup >r T c@ xor r> c! H ;
1.1       anton    2005: 
                   2006: VARIABLE ^imm
                   2007: 
1.105     jwilke   2008: \ !! should be target wordsize specific
                   2009: $80 constant alias-mask
                   2010: $40 constant immediate-mask
                   2011: $20 constant restrict-mask
                   2012: 
1.1       anton    2013: >TARGET
1.105     jwilke   2014: : immediate     immediate-mask flag!
1.18      pazsan   2015:                 ^imm @ @ dup <imm> = IF  drop  EXIT  THEN
1.1       anton    2016:                 <res> <> ABORT" CROSS: Cannot immediate a unresolved word"
                   2017:                 <imm> ^imm @ ! ;
1.105     jwilke   2018: : restrict      restrict-mask flag! ;
1.52      jwilke   2019: 
1.54      pazsan   2020: : isdoer       
                   2021: \G define a forth word as doer, this makes obviously only sence on
                   2022: \G forth processors such as the PSC1000
                   2023:                <do:> last-header-ghost @ >magic ! ;
1.1       anton    2024: >CROSS
                   2025: 
                   2026: \ Target Header Creation                               01nov92py
                   2027: 
1.103     jwilke   2028: : ht-lstring, ( addr count -- )
1.102     jwilke   2029:   dup T , H bounds  ?DO  I c@ T c, H  LOOP ;
                   2030: 
1.103     jwilke   2031: >TARGET
                   2032: : name,  ( "name" -- )  bl word count ht-lstring, X cfalign ;
1.1       anton    2033: : view,   ( -- ) ( dummy ) ;
1.52      jwilke   2034: >CROSS
1.1       anton    2035: 
1.25      pazsan   2036: \ Target Document Creation (goes to crossdoc.fd)       05jul95py
                   2037: 
1.55      pazsan   2038: s" ./doc/crossdoc.fd" r/w create-file throw value doc-file-id
1.25      pazsan   2039: \ contains the file-id of the documentation file
                   2040: 
1.40      pazsan   2041: : T-\G ( -- )
1.25      pazsan   2042:     source >in @ /string doc-file-id write-line throw
1.40      pazsan   2043:     postpone \ ;
1.25      pazsan   2044: 
1.39      pazsan   2045: Variable to-doc  to-doc on
1.25      pazsan   2046: 
                   2047: : cross-doc-entry  ( -- )
                   2048:     to-doc @ tlast @ 0<> and   \ not an anonymous (i.e. noname) header
                   2049:     IF
                   2050:        s" " doc-file-id write-line throw
                   2051:        s" make-doc " doc-file-id write-file throw
1.102     jwilke   2052: 
1.105     jwilke   2053:        Last-Header-Ghost @ >ghostname doc-file-id write-file throw
1.25      pazsan   2054:        >in @
                   2055:        [char] ( parse 2drop
                   2056:        [char] ) parse doc-file-id write-file throw
                   2057:        s"  )" doc-file-id write-file throw
                   2058:        [char] \ parse 2drop                                    
1.40      pazsan   2059:        T-\G
1.25      pazsan   2060:        >in !
1.39      pazsan   2061:     THEN ;
1.25      pazsan   2062: 
1.28      pazsan   2063: \ Target TAGS creation
                   2064: 
1.39      pazsan   2065: s" kernel.TAGS" r/w create-file throw value tag-file-id
1.116     pazsan   2066: s" kernel.tags" r/w create-file throw value vi-tag-file-id
1.28      pazsan   2067: \ contains the file-id of the tags file
                   2068: 
                   2069: Create tag-beg 2 c,  7F c, bl c,
                   2070: Create tag-end 2 c,  bl c, 01 c,
                   2071: Create tag-bof 1 c,  0C c,
1.116     pazsan   2072: Create tag-tab 1 c,  09 c,
1.28      pazsan   2073: 
                   2074: 2variable last-loadfilename 0 0 last-loadfilename 2!
                   2075:            
                   2076: : put-load-file-name ( -- )
1.77      jwilke   2077:     sourcefilename last-loadfilename 2@ d<>
1.28      pazsan   2078:     IF
                   2079:        tag-bof count tag-file-id write-line throw
1.31      anton    2080:        sourcefilename 2dup
1.28      pazsan   2081:        tag-file-id write-file throw
                   2082:        last-loadfilename 2!
                   2083:        s" ,0" tag-file-id write-line throw
                   2084:     THEN ;
                   2085: 
1.116     pazsan   2086: : cross-gnu-tag-entry  ( -- )
1.28      pazsan   2087:     tlast @ 0<>        \ not an anonymous (i.e. noname) header
                   2088:     IF
                   2089:        put-load-file-name
                   2090:        source >in @ min tag-file-id write-file throw
                   2091:        tag-beg count tag-file-id write-file throw
1.116     pazsan   2092:        Last-Header-Ghost @ >ghostname tag-file-id write-file throw
1.28      pazsan   2093:        tag-end count tag-file-id write-file throw
1.31      anton    2094:        base @ decimal sourceline# 0 <# #s #> tag-file-id write-file throw
1.28      pazsan   2095: \      >in @ 0 <# #s [char] , hold #> tag-file-id write-line throw
                   2096:        s" ,0" tag-file-id write-line throw
                   2097:        base !
                   2098:     THEN ;
1.116     pazsan   2099: 
                   2100: : cross-vi-tag-entry ( -- )
                   2101:     tlast @ 0<>        \ not an anonymous (i.e. noname) header
                   2102:     IF
                   2103:        sourcefilename vi-tag-file-id write-file throw
                   2104:        tag-tab count vi-tag-file-id write-file throw
                   2105:        Last-Header-Ghost @ >ghostname vi-tag-file-id write-file throw
                   2106:        tag-tab count vi-tag-file-id write-file throw
                   2107:        s" /^" vi-tag-file-id write-file throw
                   2108:        source vi-tag-file-id write-file throw
                   2109:        s" $/" vi-tag-file-id write-line throw
                   2110:     THEN ;
                   2111: 
                   2112: : cross-tag-entry ( -- )
                   2113:     cross-gnu-tag-entry
                   2114:     cross-vi-tag-entry ;
1.28      pazsan   2115: 
1.43      pazsan   2116: \ Check for words
                   2117: 
                   2118: Defer skip? ' false IS skip?
                   2119: 
1.103     jwilke   2120: : skipdef ( "name" -- )
1.79      jwilke   2121: \G skip definition of an undefined word in undef-words and
                   2122: \G all-words mode
1.103     jwilke   2123:     Ghost dup forward?
1.75      jwilke   2124:     IF  >magic <skip> swap !
                   2125:     ELSE drop THEN ;
                   2126: 
1.103     jwilke   2127: : tdefined? ( "name" -- flag ) 
                   2128:     Ghost undefined? 0= ;
1.75      jwilke   2129: 
1.103     jwilke   2130: : defined2? ( "name" -- flag ) 
1.75      jwilke   2131: \G return true for anything else than forward, even for <skip>
                   2132: \G that's what we want
1.103     jwilke   2133:     Ghost forward? 0= ;
1.43      pazsan   2134: 
1.103     jwilke   2135: : forced? ( "name" -- flag )
1.79      jwilke   2136: \G return ture if it is a foreced skip with defskip
1.103     jwilke   2137:     Ghost >magic @ <skip> = ;
1.79      jwilke   2138: 
1.43      pazsan   2139: : needed? ( -- flag ) \ name
1.48      anton    2140: \G returns a false flag when
                   2141: \G a word is not defined
                   2142: \G a forward reference exists
                   2143: \G so the definition is not skipped!
                   2144:     bl word gfind
1.75      jwilke   2145:     IF dup undefined?
1.48      anton    2146:        nip
                   2147:        0=
                   2148:     ELSE  drop true  THEN ;
1.43      pazsan   2149: 
1.44      pazsan   2150: : doer? ( -- flag ) \ name
1.103     jwilke   2151:     Ghost >magic @ <do:> = ;
1.44      pazsan   2152: 
1.43      pazsan   2153: : skip-defs ( -- )
                   2154:     BEGIN  refill  WHILE  source -trailing nip 0= UNTIL  THEN ;
                   2155: 
1.28      pazsan   2156: \ Target header creation
                   2157: 
1.54      pazsan   2158: Variable NoHeaderFlag
                   2159: NoHeaderFlag off
1.1       anton    2160: 
1.54      pazsan   2161: : 0.r ( n1 n2 -- ) 
                   2162:     base @ >r hex 
                   2163:     0 swap <# 0 ?DO # LOOP #> type 
                   2164:     r> base ! ;
1.84      jwilke   2165: 
                   2166: : .sym ( adr len -- )
                   2167: \G escapes / and \ to produce sed output
1.52      jwilke   2168:   bounds 
                   2169:   DO I c@ dup
1.77      jwilke   2170:        CASE    [char] / OF drop ." \/" ENDOF
                   2171:                [char] \ OF drop ." \\" ENDOF
1.52      jwilke   2172:                dup OF emit ENDOF
                   2173:        ENDCASE
1.54      pazsan   2174:     LOOP ;
1.52      jwilke   2175: 
1.103     jwilke   2176: Defer setup-execution-semantics
                   2177: 0 Value lastghost
                   2178: 
                   2179: : (THeader ( "name" -- ghost )
1.54      pazsan   2180:     \  >in @ bl word count type 2 spaces >in !
                   2181:     \ wordheaders will always be compiled to rom
                   2182:     switchrom
                   2183:     \ build header in target
                   2184:     NoHeaderFlag @
                   2185:     IF  NoHeaderFlag off
                   2186:     ELSE
                   2187:        T align H view,
1.78      jwilke   2188:        tlast @ dup 0> IF tcell - THEN T A, H  there tlast !
1.54      pazsan   2189:        1 headers-named +!      \ Statistic
                   2190:        >in @ T name, H >in !
                   2191:     THEN
                   2192:     T cfalign here H tlastcfa !
1.84      jwilke   2193:     \ Old Symbol table sed-script
1.54      pazsan   2194: \    >in @ cr ." sym:s/CFA=" there 4 0.r ." /"  bl word count .sym ." /g" cr >in !
1.103     jwilke   2195:     HeaderGhost
1.84      jwilke   2196:     \ output symbol table to extra file
1.123     jwilke   2197:     dup >ghostname there symentry
1.103     jwilke   2198:     dup Last-Header-Ghost ! dup to lastghost
1.54      pazsan   2199:     dup >magic ^imm !     \ a pointer for immediate
1.105     jwilke   2200:     alias-mask flag!
1.103     jwilke   2201:     cross-doc-entry cross-tag-entry 
                   2202:     setup-execution-semantics
                   2203:     ;
1.1       anton    2204: 
1.52      jwilke   2205: \ this is the resolver information from ":"
                   2206: \ resolving is done by ";"
1.103     jwilke   2207: Variable ;Resolve 1 cells allot
                   2208: 
                   2209: : hereresolve ( ghost -- )
                   2210:   there resolve 0 ;Resolve ! ;
1.1       anton    2211: 
1.11      pazsan   2212: : Theader  ( "name" -- ghost )
1.103     jwilke   2213:   (THeader dup hereresolve ;
                   2214: 
                   2215: Variable aprim-nr -20 aprim-nr !
                   2216: 
                   2217: : copy-execution-semantics ( ghost-from ghost-dest -- )
                   2218:   >r
                   2219:   dup >exec @ r@ >exec !
1.117     pazsan   2220:   dup >comp @ r@ >comp !
1.103     jwilke   2221:   dup >exec2 @ r@ >exec2 !
                   2222:   dup >exec-compile @ r@ >exec-compile !
                   2223:   dup >ghost-xt @ r@ >ghost-xt !
                   2224:   dup >created @ r@ >created !
                   2225:   rdrop drop ;
1.1       anton    2226: 
                   2227: >TARGET
1.103     jwilke   2228: 
1.1       anton    2229: : Alias    ( cfa -- ) \ name
1.103     jwilke   2230:   >in @ skip? IF  2drop  EXIT  THEN  >in !
                   2231:   (THeader ( S xt ghost )
1.105     jwilke   2232:   2dup swap xt>ghost swap copy-execution-semantics
                   2233:   over resolve T A, H alias-mask flag! ;
1.103     jwilke   2234: 
                   2235: Variable last-prim-ghost
                   2236: 0 last-prim-ghost !
                   2237: 
                   2238: : asmprimname, ( ghost -- : name ) 
                   2239:   dup last-prim-ghost !
                   2240:   >r
                   2241:   here bl word count string, r@ >asm-name !
                   2242:   aprim-nr @ r> >asm-dummyaddr ! ;
                   2243: 
                   2244: Defer setup-prim-semantics
                   2245: 
1.112     jwilke   2246: : mapprim   ( "forthname" "asmlabel" -- ) 
1.103     jwilke   2247:   THeader -1 aprim-nr +! aprim-nr @ T A, H
                   2248:   asmprimname, 
                   2249:   setup-prim-semantics ;
                   2250: 
1.112     jwilke   2251: : mapprim:   ( "forthname" "asmlabel" -- ) 
1.103     jwilke   2252:   -1 aprim-nr +! aprim-nr @
1.122     jwilke   2253:   Ghost tuck swap resolve-noforwards <do:> swap tuck >magic !
1.103     jwilke   2254:   asmprimname, ;
                   2255: 
1.119     pazsan   2256: : Doer:   ( cfa -- ) \ name
1.103     jwilke   2257:   >in @ skip? IF  2drop  EXIT  THEN  >in !
                   2258:   dup 0< s" prims" T $has? H 0= and
                   2259:   IF
                   2260:       .sourcepos ." needs doer: " >in @ bl word count type >in ! cr
                   2261:   THEN
1.119     pazsan   2262:   Ghost
1.122     jwilke   2263:   tuck swap resolve-noforwards <do:> swap >magic ! ;
1.64      pazsan   2264: 
                   2265: Variable prim#
                   2266: : first-primitive ( n -- )  prim# ! ;
                   2267: : Primitive  ( -- ) \ name
1.117     pazsan   2268:   >in @ skip? IF  drop  EXIT  THEN  >in !
                   2269:   s" prims" T $has? H 0=
1.103     jwilke   2270:   IF
                   2271:      .sourcepos ." needs prim: " >in @ bl word count type >in ! cr
                   2272:   THEN
                   2273:   prim# @ (THeader ( S xt ghost )
1.121     jwilke   2274:   ['] prim-resolved over >comp !
1.105     jwilke   2275:   dup >ghost-flags <primitive> set-flag
1.122     jwilke   2276:   over resolve-noforwards T A, H alias-mask flag!
1.103     jwilke   2277:   -1 prim# +! ;
1.1       anton    2278: >CROSS
                   2279: 
                   2280: \ Conditionals and Comments                            11may93jaw
                   2281: 
1.103     jwilke   2282: \G saves the existing cond action, this is used for redefining in
                   2283: \G instant
                   2284: Variable cond-xt-old
                   2285: 
                   2286: : cond-target ( -- )
                   2287: \G Compiles semantic of redefined cond into new one
                   2288:   cond-xt-old @ compile, ; immediate restrict
                   2289: 
1.1       anton    2290: : ;Cond
                   2291:   postpone ;
                   2292:   swap ! ;  immediate
                   2293: 
1.103     jwilke   2294: : Cond: ( "name" -- ) 
                   2295: \g defines a conditional or another word that must
                   2296: \g be executed directly while compiling
                   2297: \g these words have no interpretative semantics by default
                   2298:   Ghost
                   2299:   >exec-compile
                   2300:   dup @ cond-xt-old !
1.1       anton    2301:   :NONAME ;
                   2302: 
                   2303: 
                   2304: : Comment ( -- )
1.103     jwilke   2305:   >in @ Ghost swap >in ! ' swap 
                   2306:   2dup >exec-compile ! >exec ! ;
1.1       anton    2307: 
                   2308: Comment (       Comment \
                   2309: 
                   2310: \ compile                                              10may93jaw
                   2311: 
1.103     jwilke   2312: : compile  ( "name" -- ) \ name
1.115     jwilke   2313:   findghost
1.103     jwilke   2314:   dup >exec-compile @ ?dup
                   2315:   IF    nip compile,
                   2316:   ELSE  postpone literal postpone gexecute  THEN ;  immediate restrict
                   2317:             
1.52      jwilke   2318: >TARGET
                   2319: 
1.105     jwilke   2320: : '  ( -- xt ) 
                   2321: \G returns the target-cfa of a ghost
1.52      jwilke   2322:   bl word gfind 0= ABORT" CROSS: Ghost don't exists"
1.105     jwilke   2323:   g>xt ;
1.52      jwilke   2324: 
1.103     jwilke   2325: \ FIXME: this works for the current use cases, but is not
                   2326: \ in all cases correct ;-) 
                   2327: : comp' X ' 0 ;
                   2328: 
1.52      jwilke   2329: Cond: [']  T ' H alit, ;Cond
                   2330: 
                   2331: >CROSS
                   2332: 
                   2333: : [T']
                   2334: \ returns the target-cfa of a ghost, or compiles it as literal
1.115     jwilke   2335:   postpone [G'] 
                   2336:   state @ IF postpone g>xt ELSE g>xt THEN ; immediate
1.42      pazsan   2337: 
1.52      jwilke   2338: \ \ threading modell                                   13dec92py
                   2339: \ modularized                                          14jun97jaw
                   2340: 
1.106     jwilke   2341: T 2 cells H Value xt>body
1.52      jwilke   2342: 
1.103     jwilke   2343: : (>body)   ( cfa -- pfa ) 
1.105     jwilke   2344:   xt>body + ;                                          ' (>body) plugin-of t>body
                   2345: 
                   2346: : fillcfa   ( usedcells -- )
1.106     jwilke   2347:   T cells H xt>body swap -
1.105     jwilke   2348:   assert1( dup 0 >= )
                   2349:   0 ?DO 0 X c, tchar +LOOP ;
1.52      jwilke   2350: 
1.103     jwilke   2351: : (doer,)   ( ghost -- ) 
1.105     jwilke   2352:   addr, 1 fillcfa ;                                    ' (doer,) plugin-of doer,
1.52      jwilke   2353: 
1.105     jwilke   2354: : (docol,)  ( -- ) [G'] :docol (doer,) ;               ' (docol,) plugin-of docol,
1.52      jwilke   2355: 
1.121     jwilke   2356:                                                         ' NOOP plugin-of ca>native
                   2357: 
1.52      jwilke   2358: : (doprim,) ( -- )
1.105     jwilke   2359:   there xt>body + ca>native T a, H 1 fillcfa ;         ' (doprim,) plugin-of doprim,
1.52      jwilke   2360: 
                   2361: : (doeshandler,) ( -- ) 
1.119     pazsan   2362:   T cfalign H [G'] :doesjump addr, T 0 , H ;           ' (doeshandler,) plugin-of doeshandler,
1.52      jwilke   2363: 
                   2364: : (dodoes,) ( does-action-ghost -- )
1.119     pazsan   2365:   ]comp [G'] :dodoes addr, comp[
1.52      jwilke   2366:   addr,
1.103     jwilke   2367:   \ the relocator in the c engine, does not like the
                   2368:   \ does-address to marked for relocation
                   2369:   [ T e? ec H 0= [IF] ] T here H tcell - reloff [ [THEN] ]
1.105     jwilke   2370:   2 fillcfa ;                                          ' (dodoes,) plugin-of dodoes,
1.52      jwilke   2371: 
1.107     jwilke   2372: : (dlit,) ( n -- ) compile lit td, ;                   ' (dlit,) plugin-of dlit,
                   2373: 
                   2374: : (lit,) ( n -- )  s>d dlit, ;                         ' (lit,) plugin-of lit,
1.52      jwilke   2375: 
1.67      jwilke   2376: \ if we dont produce relocatable code alit, defaults to lit, jaw
1.84      jwilke   2377: \ this is just for convenience, so we don't have to define alit,
                   2378: \ seperately for embedded systems....
                   2379: T has? relocate H
1.67      jwilke   2380: [IF]
1.105     jwilke   2381: : (alit,) ( n -- )  compile lit T  a, H ;              ' (alit,) plugin-of alit,
1.67      jwilke   2382: [ELSE]
1.105     jwilke   2383: : (alit,) ( n -- )  lit, ;                             ' (alit,) plugin-of alit,
1.67      jwilke   2384: [THEN]
1.52      jwilke   2385: 
1.105     jwilke   2386: : (fini,)         compile ;s ;                         ' (fini,) plugin-of fini,
1.42      pazsan   2387: 
1.43      pazsan   2388: [IFUNDEF] (code) 
                   2389: Defer (code)
                   2390: Defer (end-code)
                   2391: [THEN]
                   2392: 
1.1       anton    2393: >TARGET
1.43      pazsan   2394: : Code
1.52      jwilke   2395:   defempty?
1.121     jwilke   2396:   (THeader ( ghost )
                   2397:   ['] prim-resolved over >comp !
1.122     jwilke   2398:   there resolve-noforwards
1.121     jwilke   2399:   
1.53      jwilke   2400:   [ T e? prims H 0= [IF] T e? ITC H [ELSE] true [THEN] ] [IF]
1.52      jwilke   2401:   doprim, 
1.48      anton    2402:   [THEN]
                   2403:   depth (code) ;
1.43      pazsan   2404: 
1.121     jwilke   2405: \ FIXME : no-compile -1 ABORT" this ghost is not for compilation" ;
                   2406: 
1.43      pazsan   2407: : Code:
1.52      jwilke   2408:   defempty?
1.121     jwilke   2409:     Ghost >r 
1.123     jwilke   2410:     r@ >ghostname there symentry
1.122     jwilke   2411:     r@ there ca>native resolve-noforwards
1.121     jwilke   2412:     <do:> r@ >magic !
                   2413:     r> drop
1.43      pazsan   2414:     depth (code) ;
                   2415: 
                   2416: : end-code
1.52      jwilke   2417:     (end-code)
1.43      pazsan   2418:     depth ?dup IF   1- <> ABORT" CROSS: Stack changed"
                   2419:     ELSE true ABORT" CROSS: Stack empty" THEN
1.52      jwilke   2420:     ;
1.14      anton    2421: 
1.1       anton    2422: >CROSS
1.52      jwilke   2423: 
1.1       anton    2424: \ tLiteral                                             12dec92py
                   2425: 
                   2426: >TARGET
1.40      pazsan   2427: Cond: \G  T-\G ;Cond
                   2428: 
1.105     jwilke   2429: Cond: Literal  ( n -- )   lit, ;Cond
1.103     jwilke   2430: Cond: ALiteral ( n -- )   alit, ;Cond
1.1       anton    2431: 
                   2432: : Char ( "<char>" -- )  bl word char+ c@ ;
1.103     jwilke   2433: Cond: [Char]   ( "<char>" -- )  Char  lit, ;Cond
                   2434: 
1.104     jwilke   2435: tchar 1 = [IF]
1.110     jwilke   2436: Cond: chars ;Cond 
1.104     jwilke   2437: [THEN]
1.1       anton    2438: 
1.43      pazsan   2439: \ some special literals                                        27jan97jaw
                   2440: 
                   2441: Cond: MAXU
1.125     jwilke   2442:   -1 s>d dlit,
1.52      jwilke   2443:   ;Cond
1.43      pazsan   2444: 
1.125     jwilke   2445: tcell 2 = tcell 4 = or tcell 8 = or 0=
                   2446: [IF]
                   2447: .( Warning: MINI and MAXI may not work with this host) cr
                   2448: [THEN]
                   2449: 
1.43      pazsan   2450: Cond: MINI
1.125     jwilke   2451:   tcell 2 = IF $8000 ELSE $80000000 THEN 0
                   2452:   tcell 8 = IF swap THEN dlit,
1.52      jwilke   2453:   ;Cond
1.43      pazsan   2454:  
                   2455: Cond: MAXI
1.125     jwilke   2456:   tcell 2 = IF $7fff ELSE $7fffffff THEN 0
                   2457:   tcell 8 = IF drop -1 swap THEN dlit,
                   2458:   ;Cond
1.43      pazsan   2459: 
1.1       anton    2460: >CROSS
1.115     jwilke   2461: 
1.1       anton    2462: \ Target compiling loop                                12dec92py
                   2463: \ ">tib trick thrown out                               10may93jaw
                   2464: \ number? defined at the top                           11may93jaw
1.77      jwilke   2465: \ replaced >in by save-input                           
                   2466: 
                   2467: : discard 0 ?DO drop LOOP ;
1.1       anton    2468: 
                   2469: \ compiled word might leave items on stack!
1.77      jwilke   2470: : tcom ( x1 .. xn n name -- )
                   2471: \  dup count type space
1.103     jwilke   2472:   gfind 
                   2473:   IF    >r ( discard saved input state ) discard r>
                   2474:        dup >exec-compile @ ?dup
                   2475:         IF   nip execute-exec-compile ELSE gexecute  THEN 
1.77      jwilke   2476:        EXIT 
                   2477:   THEN
                   2478:   number? dup  
                   2479:   IF   0> IF swap lit,  THEN  lit, discard
1.103     jwilke   2480:   ELSE 2drop restore-input throw Ghost gexecute THEN  ;
1.1       anton    2481: 
                   2482: \ : ; DOES>                                            13dec92py
                   2483: \ ]                                                     9may93py/jaw
                   2484: 
1.115     jwilke   2485: >CROSS
                   2486: 
1.105     jwilke   2487: : compiling-state ( -- )
                   2488: \G set states to compililng
1.54      pazsan   2489:     Compiling comp-state !
1.103     jwilke   2490:     \ if we have a state in target, change it with the compile state
1.105     jwilke   2491:     [G'] state dup undefined? 0= 
                   2492:     IF >ghost-xt @ execute X on ELSE drop THEN ;
                   2493: 
                   2494: : interpreting-state ( -- )
                   2495: \G set states to interpreting
                   2496:    \ if target has a state variable, change it according to our state
                   2497:    [G'] state dup undefined? 0= 
                   2498:    IF >ghost-xt @ execute X off ELSE drop THEN
                   2499:    Interpreting comp-state ! ;
1.115     jwilke   2500: 
                   2501: >TARGET
1.105     jwilke   2502: 
                   2503: : ] 
                   2504:     compiling-state
1.1       anton    2505:     BEGIN
1.77      jwilke   2506:         BEGIN save-input bl word
                   2507:               dup c@ 0= WHILE drop discard refill 0=
1.1       anton    2508:               ABORT" CROSS: End of file while target compiling"
                   2509:         REPEAT
                   2510:         tcom
1.103     jwilke   2511:         compiling? 0=
1.1       anton    2512:     UNTIL ;
                   2513: 
                   2514: \ by the way: defining a second interpreter (a compiler-)loop
                   2515: \             is not allowed if a system should be ans conform
                   2516: 
1.110     jwilke   2517: : (:) ( ghost -- ) 
                   2518: \ common factor of : and :noname. Prepare ;Resolve and start definition
                   2519:    ;Resolve ! there ;Resolve cell+ !
                   2520:    docol, ]comp  colon-start depth T ] H ;
                   2521: 
1.1       anton    2522: : : ( -- colon-sys ) \ Name
1.52      jwilke   2523:   defempty?
                   2524:   constflag off \ don't let this flag work over colon defs
                   2525:                \ just to go sure nothing unwanted happens
1.43      pazsan   2526:   >in @ skip? IF  drop skip-defs  EXIT  THEN  >in !
1.110     jwilke   2527:   (THeader (:) ;
1.1       anton    2528: 
1.37      pazsan   2529: : :noname ( -- colon-sys )
1.110     jwilke   2530:   X cfalign there 
                   2531:   \ define a nameless ghost
                   2532:   here ghostheader dup last-header-ghost ! dup to lastghost
                   2533:   (:) ;  
1.37      pazsan   2534: 
1.103     jwilke   2535: Cond: EXIT ( -- )   compile ;S  ;Cond
1.6       anton    2536: 
                   2537: Cond: ?EXIT ( -- ) 1 abort" CROSS: using ?exit" ;Cond
1.2       pazsan   2538: 
1.52      jwilke   2539: >CROSS
                   2540: : LastXT ;Resolve @ 0= abort" CROSS: no definition for LastXT"
                   2541:          ;Resolve cell+ @ ;
                   2542: 
                   2543: >TARGET
                   2544: 
1.103     jwilke   2545: Cond: recurse ( -- ) Last-Header-Ghost @ gexecute ;Cond
1.52      jwilke   2546: 
1.103     jwilke   2547: Cond: ; ( -- ) 
1.105     jwilke   2548:        depth ?dup 
                   2549:        IF   1- <> ABORT" CROSS: Stack changed"
                   2550:        ELSE true ABORT" CROSS: Stack empty" 
                   2551:        THEN
                   2552:        colon-end
                   2553:        fini,
                   2554:        comp[
                   2555:        ;Resolve @ 
1.118     pazsan   2556:        IF  ['] colon-resolved ;Resolve @ >comp !
                   2557:            ;Resolve @ ;Resolve cell+ @ resolve 
1.105     jwilke   2558:        THEN
                   2559:        interpreting-state
                   2560:        ;Cond
                   2561: 
                   2562: Cond: [ ( -- ) interpreting-state ;Cond
1.1       anton    2563: 
                   2564: >CROSS
1.54      pazsan   2565: 
1.117     pazsan   2566: 0 Value created
1.54      pazsan   2567: 
1.52      jwilke   2568: : !does ( does-action -- )
1.54      pazsan   2569:     tlastcfa @ [G'] :dovar killref
1.117     pazsan   2570:     >space here >r ghostheader space>
1.121     jwilke   2571:     ['] colon-resolved r@ >comp !
1.117     pazsan   2572:     r@ created >do:ghost ! r@ swap resolve
                   2573:     r> tlastcfa @ >tempdp dodoes, tempdp> ;
1.103     jwilke   2574: 
                   2575: Defer instant-interpret-does>-hook
                   2576: 
1.118     pazsan   2577: : does-resolved ( ghost -- )
                   2578:     compile does-exec g>xt T a, H ;
                   2579: 
1.103     jwilke   2580: : resolve-does>-part ( -- )
                   2581: \ resolve words made by builders
1.105     jwilke   2582:   Last-Header-Ghost @ >do:ghost @ ?dup 
1.117     pazsan   2583:   IF  there resolve  THEN ;
1.103     jwilke   2584: 
1.1       anton    2585: >TARGET
1.103     jwilke   2586: Cond: DOES>
                   2587:         compile (does>) doeshandler,
                   2588:         resolve-does>-part
1.1       anton    2589:         ;Cond
1.103     jwilke   2590: 
1.118     pazsan   2591: : DOES>
                   2592:     ['] does-resolved created >comp !
                   2593:     switchrom doeshandler, T here H !does 
                   2594:     instant-interpret-does>-hook
                   2595:     depth T ] H ;
1.1       anton    2596: 
                   2597: >CROSS
1.108     jwilke   2598: \ Creation                                              01nov92py
1.1       anton    2599: 
                   2600: \ Builder                                               11may93jaw
                   2601: 
1.108     jwilke   2602: 0 Value built
                   2603: 
1.105     jwilke   2604: : Builder    ( Create-xt do-ghost "name" -- )
1.52      jwilke   2605: \ builds up a builder in current vocabulary
                   2606: \ create-xt is executed when word is interpreted
1.106     jwilke   2607: \ do:-xt is executed when the created word from builder is executed
1.105     jwilke   2608: \ for do:-xt an additional entry after the normal ghost-entrys is used
1.52      jwilke   2609: 
1.109     jwilke   2610:   ghost to built 
1.108     jwilke   2611:   built >created @ 0= IF
                   2612:     built >created on
                   2613:   THEN ;
1.1       anton    2614: 
1.52      jwilke   2615: : gdoes,  ( ghost -- )
                   2616: \ makes the codefield for a word that is built
1.103     jwilke   2617:   >do:ghost @ dup undefined? 0=
1.52      jwilke   2618:   IF
1.42      pazsan   2619:        dup >magic @ <do:> =
1.54      pazsan   2620:        IF       doer, 
                   2621:        ELSE    dodoes,
                   2622:        THEN
                   2623:        EXIT
1.52      jwilke   2624:   THEN
                   2625: \  compile :dodoes gexecute
                   2626: \  T here H tcell - reloff 
1.54      pazsan   2627:   2 refered 
                   2628:   0 fillcfa
                   2629:   ;
1.1       anton    2630: 
1.103     jwilke   2631: : takeover-x-semantics ( S constructor-ghost new-ghost -- )
1.117     pazsan   2632:    \g stores execution semantic and compilation semantic in the built word
                   2633:    swap >do:ghost @ 2dup swap >do:ghost !
1.110     jwilke   2634:    \ we use the >exec2 field for the semantic of a created word,
                   2635:    \ using exec or exec2 makes no difference for normal cross-compilation
                   2636:    \ but is usefull for instant where the exec field is already
                   2637:    \ defined (e.g. Vocabularies)
1.105     jwilke   2638:    2dup >exec @ swap >exec2 ! 
                   2639:    >comp @ swap >comp ! ;
1.103     jwilke   2640: 
1.118     pazsan   2641: 0 Value createhere
                   2642: 
                   2643: : create-resolve ( -- )
                   2644:     created createhere resolve 0 ;Resolve ! ;
                   2645: : create-resolve-immediate ( -- )
                   2646:     create-resolve T immediate H ;
                   2647: 
1.52      jwilke   2648: : TCreate ( <name> -- )
                   2649:   create-forward-warn
                   2650:   IF ['] reswarn-forward IS resolve-warning THEN
1.103     jwilke   2651:   executed-ghost @ (Theader
1.117     pazsan   2652:   dup >created on  dup to created
1.118     pazsan   2653:   2dup takeover-x-semantics
                   2654:   there to createhere drop gdoes, ;
1.52      jwilke   2655: 
                   2656: : RTCreate ( <name> -- )
                   2657: \ creates a new word with code-field in ram
                   2658:   create-forward-warn
                   2659:   IF ['] reswarn-forward IS resolve-warning THEN
                   2660:   \ make Alias
1.103     jwilke   2661:   executed-ghost @ (THeader 
1.118     pazsan   2662:   dup >created on  dup to created
1.103     jwilke   2663:   2dup takeover-x-semantics
1.105     jwilke   2664:   there 0 T a, H alias-mask flag!
1.103     jwilke   2665:   \ store poiter to code-field
1.52      jwilke   2666:   switchram T cfalign H
                   2667:   there swap T ! H
                   2668:   there tlastcfa ! 
1.118     pazsan   2669:   there to createhere drop gdoes, ;
1.1       anton    2670: 
                   2671: : Build:  ( -- [xt] [colon-sys] )
1.52      jwilke   2672:   :noname postpone TCreate ;
                   2673: 
                   2674: : BuildSmart:  ( -- [xt] [colon-sys] )
                   2675:   :noname
1.53      jwilke   2676:   [ T has? rom H [IF] ]
1.52      jwilke   2677:   postpone RTCreate
                   2678:   [ [ELSE] ]
                   2679:   postpone TCreate 
                   2680:   [ [THEN] ] ;
1.1       anton    2681: 
1.108     jwilke   2682: : ;Build
1.118     pazsan   2683:   postpone create-resolve postpone ; built >exec ! ; immediate
                   2684: 
                   2685: : ;Build-immediate
                   2686:     postpone create-resolve-immediate
                   2687:     postpone ; built >exec ! ; immediate
1.108     jwilke   2688: 
1.1       anton    2689: : gdoes>  ( ghost -- addr flag )
1.110     jwilke   2690:   executed-ghost @ g>body ;
1.1       anton    2691: 
                   2692: \ DO: ;DO                                               11may93jaw
                   2693: 
1.108     jwilke   2694: : do:ghost! ( ghost -- ) built >do:ghost ! ;
                   2695: : doexec! ( xt -- ) built >do:ghost @ >exec ! ;
                   2696: 
                   2697: : DO:     ( -- [xt] [colon-sys] )
                   2698:   here ghostheader do:ghost!
1.110     jwilke   2699:   :noname postpone gdoes> ;
1.1       anton    2700: 
1.108     jwilke   2701: : by:     ( -- [xt] [colon-sys] ) \ name
                   2702:   Ghost do:ghost!
1.110     jwilke   2703:   :noname postpone gdoes> ;
1.42      pazsan   2704: 
1.108     jwilke   2705: : ;DO ( [xt] [colon-sys] -- )
                   2706:   postpone ; doexec! ; immediate
1.1       anton    2707: 
1.109     jwilke   2708: : by      ( -- ) \ Name
1.108     jwilke   2709:   Ghost >do:ghost @ do:ghost! ;
1.107     jwilke   2710: 
1.109     jwilke   2711: : compile: ( --[xt] [colon-sys] )
1.107     jwilke   2712: \G defines a compile time action for created words
                   2713: \G by this builder
                   2714:   :noname ;
                   2715: 
1.109     jwilke   2716: : ;compile ( [xt] [colon-sys] -- )
                   2717:   postpone ; built >do:ghost @ >comp ! ; immediate
1.107     jwilke   2718: 
1.1       anton    2719: \ Variables and Constants                              05dec92py
                   2720: 
1.108     jwilke   2721: Builder (Constant)
                   2722: Build:  ( n -- ) ;Build
1.103     jwilke   2723: by: :docon ( target-body-addr -- n ) T @ H ;DO
1.52      jwilke   2724: 
1.108     jwilke   2725: Builder Constant
                   2726: Build:  ( n -- ) T , H ;Build
1.52      jwilke   2727: by (Constant)
                   2728: 
1.108     jwilke   2729: Builder AConstant
                   2730: Build:  ( n -- ) T A, H ;Build
1.52      jwilke   2731: by (Constant)
                   2732: 
1.108     jwilke   2733: Builder 2Constant
                   2734: Build:  ( d -- ) T , , H ;Build
1.52      jwilke   2735: DO: ( ghost -- d ) T dup cell+ @ swap @ H ;DO
                   2736: 
1.108     jwilke   2737: Builder Create
                   2738: BuildSmart: ;Build
1.103     jwilke   2739: by: :dovar ( target-body-addr -- addr ) ;DO
1.1       anton    2740: 
1.108     jwilke   2741: Builder Variable
1.53      jwilke   2742: T has? rom H [IF]
1.108     jwilke   2743: Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 , H ( switchrom ) ;Build
1.52      jwilke   2744: by (Constant)
                   2745: [ELSE]
1.108     jwilke   2746: Build: T 0 , H ;Build
1.1       anton    2747: by Create
1.52      jwilke   2748: [THEN]
1.1       anton    2749: 
1.108     jwilke   2750: Builder 2Variable
1.53      jwilke   2751: T has? rom H [IF]
1.108     jwilke   2752: Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 , 0 , H ( switchrom ) ;Build
1.54      pazsan   2753: by (Constant)
                   2754: [ELSE]
1.108     jwilke   2755: Build: T 0 , 0 , H ;Build
1.54      pazsan   2756: by Create
                   2757: [THEN]
                   2758: 
1.108     jwilke   2759: Builder AVariable
1.54      pazsan   2760: T has? rom H [IF]
1.108     jwilke   2761: Build: ( -- ) T here 0 A, H switchram T align here swap ! 0 A, H ( switchrom ) ;Build
1.52      jwilke   2762: by (Constant)
                   2763: [ELSE]
1.108     jwilke   2764: Build: T 0 A, H ;Build
1.1       anton    2765: by Create
1.52      jwilke   2766: [THEN]
1.1       anton    2767: 
1.3       pazsan   2768: \ User variables                                       04may94py
                   2769: 
                   2770: Variable tup  0 tup !
                   2771: Variable tudp 0 tudp !
1.78      jwilke   2772: 
1.3       pazsan   2773: : u,  ( n -- udp )
                   2774:   tup @ tudp @ + T  ! H
1.19      pazsan   2775:   tudp @ dup T cell+ H tudp ! ;
1.78      jwilke   2776: 
1.3       pazsan   2777: : au, ( n -- udp )
                   2778:   tup @ tudp @ + T A! H
1.19      pazsan   2779:   tudp @ dup T cell+ H tudp ! ;
1.78      jwilke   2780: 
1.108     jwilke   2781: Builder User
                   2782: Build: 0 u, X , ;Build
1.78      jwilke   2783: by: :douser ( ghost -- up-addr )  X @ tup @ + ;DO
1.1       anton    2784: 
1.108     jwilke   2785: Builder 2User
                   2786: Build: 0 u, X , 0 u, drop ;Build
1.3       pazsan   2787: by User
1.1       anton    2788: 
1.108     jwilke   2789: Builder AUser
                   2790: Build: 0 au, X , ;Build
1.3       pazsan   2791: by User
1.1       anton    2792: 
1.108     jwilke   2793: Builder (Value)
                   2794: Build:  ( n -- ) ;Build
                   2795: by: :docon ( target-body-addr -- n ) T @ H ;DO
                   2796: 
1.1       anton    2797: Builder Value
1.108     jwilke   2798: BuildSmart: T , H ;Build
                   2799: by (Value)
1.1       anton    2800: 
1.32      pazsan   2801: Builder AValue
1.108     jwilke   2802: BuildSmart: T A, H ;Build
                   2803: by (Value)
1.32      pazsan   2804: 
1.103     jwilke   2805: Defer texecute
                   2806: 
1.108     jwilke   2807: Builder Defer
                   2808: BuildSmart:  ( -- ) [T'] noop T A, H ;Build
1.103     jwilke   2809: by: :dodefer ( ghost -- ) X @ texecute ;DO
1.37      pazsan   2810: 
1.108     jwilke   2811: Builder interpret/compile:
1.118     pazsan   2812: Build: ( inter comp -- ) swap T A, A, H ;Build-immediate
1.37      pazsan   2813: DO: ( ghost -- ) ABORT" CROSS: Don't execute" ;DO
1.24      pazsan   2814: 
                   2815: \ Sturctures                                           23feb95py
                   2816: 
                   2817: : nalign ( addr1 n -- addr2 )
                   2818: \ addr2 is the aligned version of addr1 wrt the alignment size n
                   2819:  1- tuck +  swap invert and ;
1.109     jwilke   2820: 
1.24      pazsan   2821: 
1.108     jwilke   2822: Builder (Field)
                   2823: Build: ;Build
1.44      pazsan   2824: by: :dofield T @ H + ;DO
                   2825: 
1.108     jwilke   2826: Builder Field
1.51      anton    2827: Build: ( align1 offset1 align size "name" --  align2 offset2 )
                   2828:     rot dup T , H ( align1 align size offset1 )
1.108     jwilke   2829:     + >r nalign r> ;Build
1.44      pazsan   2830: by (Field)
1.24      pazsan   2831: 
1.109     jwilke   2832: >TARGET
1.51      anton    2833: : struct  T 1 chars 0 H ;
1.24      pazsan   2834: : end-struct  T 2Constant H ;
                   2835: 
1.52      jwilke   2836: : cell% ( n -- size align )
1.51      anton    2837:     T 1 cells H dup ;
1.109     jwilke   2838: >CROSS
1.88      pazsan   2839: 
1.105     jwilke   2840: \ Input-Methods                                            01py
1.103     jwilke   2841: 
1.108     jwilke   2842: Builder input-method
                   2843: Build: ( m v -- m' v )  dup T , cell+ H ;Build
1.88      pazsan   2844: DO:  abort" Not in cross mode" ;DO
                   2845: 
1.108     jwilke   2846: Builder input-var
                   2847: Build: ( m v size -- m v' )  over T , H + ;Build
1.88      pazsan   2848: DO:  abort" Not in cross mode" ;DO
1.24      pazsan   2849: 
1.108     jwilke   2850: \ Peephole optimization                                        05sep01jaw
                   2851: 
                   2852: \ this section defines different compilation
                   2853: \ actions for created words
                   2854: \ this will help the peephole optimizer
1.121     jwilke   2855: \ I (jaw) took this from bernds latest cross-compiler
1.108     jwilke   2856: \ changes but seperated it from the original
                   2857: \ Builder words. The final plan is to put this
                   2858: \ into a seperate file, together with the peephole
                   2859: \ optimizer for cross
                   2860: 
                   2861: 
                   2862: T has? peephole H [IF]
                   2863: 
1.109     jwilke   2864: >CROSS
1.118     pazsan   2865: 
1.109     jwilke   2866: : (callc) compile call T >body a, H ;          ' (callc) plugin-of colon,
1.121     jwilke   2867: : (callcm) T here 0 a, 0 a, H ;                 ' (callcm) plugin-of colonmark,
1.118     pazsan   2868: : (call-res) >tempdp resolved gexecute tempdp> drop ;
                   2869:                                                 ' (call-res) plugin-of colon-resolve
1.121     jwilke   2870: : (pprim) dup 0< IF  $4000 -  ELSE
                   2871:     cr ." wrong usage of (prim) "
                   2872:     dup gdiscover IF  .ghost  ELSE  .  THEN  cr -1 throw  THEN
                   2873:     T a, H ;                                   ' (pprim) plugin-of prim,
1.109     jwilke   2874: 
                   2875: \ if we want this, we have to spilt aconstant
                   2876: \ and constant!!
                   2877: \ Builder (Constant)
                   2878: \ compile: g>body X @ lit, ;compile
1.108     jwilke   2879: 
                   2880: Builder (Constant)
1.118     pazsan   2881: compile: g>body compile lit@ T a, H ;compile
1.108     jwilke   2882: 
                   2883: Builder (Value)
1.118     pazsan   2884: compile: g>body compile lit@ T a, H ;compile
1.108     jwilke   2885: 
                   2886: \ this changes also Variable, AVariable and 2Variable
                   2887: Builder Create
1.117     pazsan   2888: compile: g>body alit, ;compile
1.108     jwilke   2889: 
                   2890: Builder User
                   2891: compile: g>body compile useraddr T @ , H ;compile
                   2892: 
                   2893: Builder Defer
1.118     pazsan   2894: compile: g>body compile lit-perform T A, H ;compile
1.102     jwilke   2895: 
1.108     jwilke   2896: Builder (Field)
1.118     pazsan   2897: compile: g>body T @ H compile lit+ T , H ;compile
1.117     pazsan   2898: 
                   2899: Builder interpret/compile:
                   2900: compile: does-resolved ;compile
                   2901: 
                   2902: Builder input-method
                   2903: compile: does-resolved ;compile
                   2904: 
                   2905: Builder input-var
                   2906: compile: does-resolved ;compile
1.102     jwilke   2907: 
1.108     jwilke   2908: [THEN]
1.103     jwilke   2909: 
1.52      jwilke   2910: \ structural conditionals                              17dec92py
                   2911: 
                   2912: >CROSS
1.103     jwilke   2913: : (ncontrols?) ( n -- ) 
                   2914: \g We expect n open control structures
                   2915:   depth over u<= 
                   2916:   ABORT" CROSS: unstructured, stack underflow"
                   2917:   0 ?DO I pick 0= 
                   2918:         ABORT" CROSS: unstructured" 
                   2919:   LOOP ;                                       ' (ncontrols?) plugin-of ncontrols?
                   2920: 
                   2921: \ : ?struc      ( flag -- )       ABORT" CROSS: unstructured " ;
                   2922: \ : sys?        ( sys -- sys )    dup 0= ?struc ;
                   2923: 
1.52      jwilke   2924: : >mark       ( -- sys )        T here  ( dup ." M" hex. ) 0 , H ;
                   2925: 
1.78      jwilke   2926: : branchoffset ( src dest -- )  - tchar / ; \ ?? jaw
1.52      jwilke   2927: 
1.78      jwilke   2928: : >resolve    ( sys -- )        
                   2929:        X here ( dup ." >" hex. ) over branchoffset swap X ! ;
1.52      jwilke   2930: 
1.78      jwilke   2931: : <resolve    ( sys -- )
                   2932:        X here ( dup ." <" hex. ) branchoffset X , ;
1.52      jwilke   2933: 
1.78      jwilke   2934: :noname compile branch X here branchoffset X , ;
1.54      pazsan   2935:   IS branch, ( target-addr -- )
1.78      jwilke   2936: :noname compile ?branch X here branchoffset X , ;
1.54      pazsan   2937:   IS ?branch, ( target-addr -- )
                   2938: :noname compile branch T here 0 , H ;
                   2939:   IS branchmark, ( -- branchtoken )
                   2940: :noname compile ?branch T here 0 , H ;
                   2941:   IS ?branchmark, ( -- branchtoken )
                   2942: :noname T here 0 , H ;
                   2943:   IS ?domark, ( -- branchtoken )
1.78      jwilke   2944: :noname dup X @ ?struc X here over branchoffset swap X ! ;
1.54      pazsan   2945:   IS branchtoresolve, ( branchtoken -- )
1.78      jwilke   2946: :noname branchto, X here ;
1.54      pazsan   2947:   IS branchtomark, ( -- target-addr )
1.52      jwilke   2948: 
                   2949: >TARGET
                   2950: 
                   2951: \ Structural Conditionals                              12dec92py
                   2952: 
1.103     jwilke   2953: \ CLEANUP Cond: BUT       sys? swap ;Cond
                   2954: \ CLEANUP Cond: YET       sys? dup ;Cond
1.52      jwilke   2955: 
                   2956: >CROSS
                   2957: 
1.78      jwilke   2958: Variable tleavings 0 tleavings !
1.52      jwilke   2959: 
1.54      pazsan   2960: : (done) ( addr -- )
                   2961:     tleavings @
                   2962:     BEGIN  dup
                   2963:     WHILE
                   2964:        >r dup r@ cell+ @ \ address of branch
                   2965:        u> 0=      \ lower than DO?     
                   2966:     WHILE
                   2967:        r@ 2 cells + @ \ branch token
                   2968:        branchtoresolve,
                   2969:        r@ @ r> free throw
                   2970:     REPEAT  r>  THEN
                   2971:     tleavings ! drop ;
                   2972: 
1.53      jwilke   2973: >TARGET
                   2974: 
1.103     jwilke   2975: \ What for? ANS? JAW Cond: DONE   ( addr -- )  (done) ;Cond
1.53      jwilke   2976: 
                   2977: >CROSS
1.54      pazsan   2978: : (leave) ( branchtoken -- )
1.53      jwilke   2979:     3 cells allocate throw >r
                   2980:     T here H r@ cell+ !
                   2981:     r@ 2 cells + !
                   2982:     tleavings @ r@ !
                   2983:     r> tleavings ! ;
                   2984: >TARGET
                   2985: 
1.103     jwilke   2986: : (leave,) ( -- ) 
                   2987:   branchmark, (leave) ;                        ' (leave,) plugin-of leave,
                   2988: 
                   2989: : (?leave,) ( -- )
                   2990:   compile 0= ?branchmark, (leave) ;            ' (?leave,) plugin-of ?leave,
                   2991: 
                   2992: Cond: LEAVE     leave, ;Cond
                   2993: Cond: ?LEAVE    ?leave, ;Cond
1.53      jwilke   2994: 
1.54      pazsan   2995: >CROSS
                   2996: \ !!JW ToDo : Move to general tools section
                   2997: 
                   2998: : to1 ( x1 x2 xn n -- addr )
1.103     jwilke   2999: \G packs n stack elements in am allocated memory region
1.54      pazsan   3000:    dup dup 1+ cells allocate throw dup >r swap 1+
                   3001:    0 DO tuck ! cell+ LOOP
                   3002:    drop r> ;
1.103     jwilke   3003: 
1.54      pazsan   3004: : 1to ( addr -- x1 x2 xn )
                   3005: \G unpacks the elements saved by to1
                   3006:     dup @ swap over cells + swap
                   3007:     0 DO  dup @ swap 1 cells -  LOOP
                   3008:     free throw ;
                   3009: 
                   3010: : loop]     branchto, dup <resolve tcell - (done) ;
                   3011: 
                   3012: : skiploop] ?dup IF branchto, branchtoresolve, THEN ;
                   3013: 
                   3014: >TARGET
                   3015: 
1.52      jwilke   3016: \ Structural Conditionals                              12dec92py
                   3017: 
1.103     jwilke   3018: : (cs-swap) ( x1 x2 -- x2 x1 )
                   3019:   swap ;                                       ' (cs-swap) plugin-of cs-swap
                   3020: 
                   3021: : (ahead,) branchmark, ;                       ' (ahead,) plugin-of ahead,
                   3022: 
                   3023: : (if,) ?branchmark, ;                                 ' (if,) plugin-of if,
                   3024: 
                   3025: : (then,) branchto, branchtoresolve, ;                 ' (then,) plugin-of then,
                   3026: 
                   3027: : (else,) ( ahead ) branchmark, 
                   3028:           swap 
                   3029:           ( then ) branchto, branchtoresolve, ;        ' (else,) plugin-of else,
                   3030: 
                   3031: : (begin,) branchtomark, ;                     ' (begin,) plugin-of begin,
                   3032: 
                   3033: : (while,) ( if ) ?branchmark,
                   3034:            swap ;                              ' (while,) plugin-of while,
                   3035: 
                   3036: : (again,) branch, ;                           ' (again,) plugin-of again,
                   3037: 
                   3038: : (until,) ?branch, ;                          ' (until,) plugin-of until,
                   3039: 
                   3040: : (repeat,) ( again ) branch,
                   3041:             ( then ) branchto, branchtoresolve, ; ' (repeat,) plugin-of repeat,
                   3042: 
                   3043: : (case,)   ( -- n )
                   3044:   0 ;                                          ' (case,) plugin-of case,
                   3045: 
                   3046: : (of,) ( n -- x1 n )
                   3047:   1+ >r 
                   3048:   compile over compile = 
                   3049:   if, compile drop r> ;                                ' (of,) plugin-of of,
                   3050: 
                   3051: : (endof,) ( x1 n -- x2 n )
                   3052:   >r 1 ncontrols? else, r> ;                   ' (endof,) plugin-of endof,
                   3053: 
                   3054: : (endcase,) ( x1 .. xn n -- )
                   3055:   compile drop 0 ?DO 1 ncontrols? then, LOOP ; ' (endcase,) plugin-of endcase,
                   3056: 
1.53      jwilke   3057: >TARGET
1.103     jwilke   3058: Cond: AHEAD     ahead, ;Cond
                   3059: Cond: IF        if,  ;Cond
                   3060: Cond: THEN      1 ncontrols? then, ;Cond
                   3061: Cond: ENDIF     1 ncontrols? then, ;Cond
                   3062: Cond: ELSE      1 ncontrols? else, ;Cond
                   3063: 
                   3064: Cond: BEGIN     begin, ;Cond
                   3065: Cond: WHILE     1 ncontrols? while, ;Cond
                   3066: Cond: AGAIN     1 ncontrols? again, ;Cond
                   3067: Cond: UNTIL     1 ncontrols? until, ;Cond
                   3068: Cond: REPEAT    2 ncontrols? repeat, ;Cond
                   3069: 
                   3070: Cond: CASE      case, ;Cond
                   3071: Cond: OF        of, ;Cond
                   3072: Cond: ENDOF     endof, ;Cond
                   3073: Cond: ENDCASE   endcase, ;Cond
1.1       anton    3074: 
                   3075: \ Structural Conditionals                              12dec92py
                   3076: 
1.103     jwilke   3077: : (do,) ( -- target-addr )
                   3078:   \ ?? i think 0 is too much! jaw
1.54      pazsan   3079:     0 compile (do)
1.103     jwilke   3080:     branchtomark,  2 to1 ;                     ' (do,) plugin-of do,
1.54      pazsan   3081: 
1.103     jwilke   3082: \ alternative for if no ?do
                   3083: \ : (do,)
1.54      pazsan   3084: \     compile 2dup compile = compile IF
                   3085: \     compile 2drop compile ELSE
                   3086: \     compile (do) branchtomark, 2 to1 ;
                   3087:     
1.103     jwilke   3088: : (?do,) ( -- target-addr )
1.54      pazsan   3089:     0 compile (?do)  ?domark, (leave)
1.103     jwilke   3090:     branchtomark,  2 to1 ;                     ' (?do,) plugin-of ?do,
                   3091: 
                   3092: : (for,) ( -- target-addr )
                   3093:   compile (for) branchtomark, ;                        ' (for,) plugin-of for,
                   3094: 
                   3095: : (loop,) ( target-addr -- )
                   3096:   1to compile (loop)  loop] 
                   3097:   compile unloop skiploop] ;                   ' (loop,) plugin-of loop,
                   3098: 
                   3099: : (+loop,) ( target-addr -- )
                   3100:   1to compile (+loop)  loop] 
                   3101:   compile unloop skiploop] ;                   ' (+loop,) plugin-of +loop,
                   3102: 
                   3103: : (next,) 
                   3104:   compile (next)  loop] compile unloop ;       ' (next,) plugin-of next,
                   3105: 
                   3106: Cond: DO       do, ;Cond
                   3107: Cond: ?DO      ?do, ;Cond
                   3108: Cond: FOR      for, ;Cond
                   3109: 
                   3110: Cond: LOOP     1 ncontrols? loop, ;Cond
                   3111: Cond: +LOOP    1 ncontrols? +loop, ;Cond
                   3112: Cond: NEXT     1 ncontrols? next, ;Cond
1.52      jwilke   3113: 
1.1       anton    3114: \ String words                                         23feb93py
                   3115: 
1.103     jwilke   3116: : ,"            [char] " parse ht-string, X align ;
1.1       anton    3117: 
1.103     jwilke   3118: Cond: ."        compile (.")     T ," H ;Cond
                   3119: Cond: S"        compile (S")     T ," H ;Cond
                   3120: Cond: C"        compile (C")     T ," H ;Cond
                   3121: Cond: ABORT"    compile (ABORT") T ," H ;Cond
1.1       anton    3122: 
                   3123: Cond: IS        T ' >body H compile ALiteral compile ! ;Cond
1.66      pazsan   3124: : IS            T >address ' >body ! H ;
1.9       pazsan   3125: Cond: TO        T ' >body H compile ALiteral compile ! ;Cond
                   3126: : TO            T ' >body ! H ;
1.1       anton    3127: 
1.52      jwilke   3128: Cond: defers   T ' >body @ compile, H ;Cond
                   3129: 
1.1       anton    3130: \ LINKED ERR" ENV" 2ENV"                                18may93jaw
                   3131: 
                   3132: \ linked list primitive
1.79      jwilke   3133: : linked        X here over X @ X A, swap X ! ;
1.52      jwilke   3134: : chained      T linked A, H ;
1.1       anton    3135: 
                   3136: : err"   s" ErrLink linked" evaluate T , H
1.103     jwilke   3137:          [char] " parse ht-string, X align ;
1.1       anton    3138: 
                   3139: : env"  [char] " parse s" EnvLink linked" evaluate
1.103     jwilke   3140:         ht-string, X align X , ;
1.1       anton    3141: 
                   3142: : 2env" [char] " parse s" EnvLink linked" evaluate
1.103     jwilke   3143:         here >r ht-string, X align X , X ,
1.1       anton    3144:         r> dup T c@ H 80 and swap T c! H ;
                   3145: 
                   3146: \ compile must be last                                 22feb93py
                   3147: 
1.103     jwilke   3148: Cond: [compile] ( -- ) \ name
                   3149: \g For immediate words, works even if forward reference
                   3150:       bl word gfind 0= ABORT" CROSS: Can't compile"
                   3151:       (gexecute) ;Cond
                   3152:           
                   3153: Cond: postpone ( -- ) \ name
                   3154:       bl word gfind 0= ABORT" CROSS: Can't compile"
                   3155:       dup >magic @ <fwd> =
                   3156:       ABORT" CROSS: Can't postpone on forward declaration"
                   3157:       dup >magic @ <imm> =
                   3158:       IF   (gexecute)
                   3159:       ELSE compile (compile) addr, THEN ;Cond
1.54      pazsan   3160:           
1.77      jwilke   3161: \ save-cross                                           17mar93py
                   3162: 
                   3163: hex
                   3164: 
                   3165: >CROSS
                   3166: Create magic  s" Gforth2x" here over allot swap move
                   3167: 
                   3168: bigendian 1+ \ strangely, in magic big=0, little=1
                   3169: tcell 1 = 0 and or
                   3170: tcell 2 = 2 and or
                   3171: tcell 4 = 4 and or
                   3172: tcell 8 = 6 and or
                   3173: tchar 1 = 00 and or
                   3174: tchar 2 = 28 and or
                   3175: tchar 4 = 50 and or
                   3176: tchar 8 = 78 and or
                   3177: magic 7 + c!
                   3178: 
                   3179: : save-cross ( "image-name" "binary-name" -- )
                   3180:   bl parse ." Saving to " 2dup type cr
                   3181:   w/o bin create-file throw >r
1.113     jwilke   3182:   s" header" X $has? IF
1.80      anton    3183:       s" #! "           r@ write-file throw
                   3184:       bl parse          r@ write-file throw
                   3185:       s"  --image-file" r@ write-file throw
1.77      jwilke   3186:       #lf       r@ emit-file throw
                   3187:       r@ dup file-position throw drop 8 mod 8 swap ( file-id limit index )
                   3188:       ?do
                   3189:          bl over emit-file throw
                   3190:       loop
                   3191:       drop
                   3192:       magic 8       r@ write-file throw \ write magic
                   3193:   ELSE
                   3194:       bl parse 2drop
                   3195:   THEN
                   3196:   image @ there 
                   3197:   r@ write-file throw \ write image
1.113     jwilke   3198:   s" relocate" X $has? IF
1.77      jwilke   3199:       bit$  @ there 1- tcell>bit rshift 1+
                   3200:                 r@ write-file throw \ write tags
                   3201:   THEN
                   3202:   r> close-file throw ;
                   3203: 
                   3204: : save-region ( addr len -- )
                   3205:   bl parse w/o bin create-file throw >r
                   3206:   swap >image swap r@ write-file throw
                   3207:   r> close-file throw ;
                   3208: 
1.110     jwilke   3209: \ save-asm-region                                      29aug01jaw
1.103     jwilke   3210: 
                   3211: Variable name-ptr
                   3212: Create name-buf 200 chars allot
                   3213: : init-name-buf name-buf name-ptr ! ;
                   3214: : nb, name-ptr @ c! 1 chars name-ptr +! ;
                   3215: : $nb, ( adr len -- ) bounds ?DO I c@ nb, LOOP ;
                   3216: : @nb name-ptr @ name-buf tuck - ;
                   3217: 
                   3218: \ stores a usefull string representation of the character
                   3219: \ in the name buffer
                   3220: : name-char, ( c -- )
                   3221:   dup 'a 'z 1+ within IF nb, EXIT THEN
                   3222:   dup 'A 'Z 1+ within IF $20 + nb, EXIT THEN
                   3223:   dup '0 '9 1+ within IF nb, EXIT THEN
                   3224:   CASE '+ OF s" _PLUS" $nb, ENDOF
                   3225:        '- OF s" _MINUS" $nb, ENDOF
                   3226:        '* OF s" _STAR" $nb, ENDOF
                   3227:        '/ OF s" _SLASH" $nb, ENDOF
                   3228:        '' OF s" _TICK" $nb, ENDOF
                   3229:        '( OF s" _OPAREN" $nb, ENDOF
                   3230:        ') OF s" _CPAREN" $nb, ENDOF
                   3231:        '[ OF s" _OBRACKET" $nb, ENDOF
                   3232:        '] OF s" _CBRACKET" $nb, ENDOF
                   3233:        '! OF s" _STORE" $nb, ENDOF
                   3234:        '@ OF s" _FETCH" $nb, ENDOF
                   3235:        '> OF s" _GREATER" $nb, ENDOF
                   3236:        '< OF s" _LESS" $nb, ENDOF
                   3237:        '= OF s" _EQUAL" $nb, ENDOF
                   3238:        '# OF s" _HASH" $nb, ENDOF
                   3239:        '? OF s" _QUEST" $nb, ENDOF
                   3240:        ': OF s" _COL" $nb, ENDOF
                   3241:        '; OF s" _SEMICOL" $nb, ENDOF
                   3242:        ', OF s" _COMMA" $nb, ENDOF
                   3243:        '. OF s" _DOT" $nb, ENDOF
                   3244:        '" OF s" _DQUOT" $nb, ENDOF
                   3245:        dup 
                   3246:        base @ >r hex s>d <# #s 'X hold '_ hold #> $nb, r> base !
                   3247:   ENDCASE ;
                   3248:  
                   3249: : label-from-ghostname ( ghost -- addr len )
                   3250:   dup >ghostname init-name-buf 'L nb, bounds 
                   3251:   ?DO I c@ name-char, LOOP 
                   3252:   \ we add the address to a name to make in unique
                   3253:   \ because one name may appear more then once
                   3254:   \ there are names (e.g. boot) that may be reference from other
                   3255:   \ assembler source files, so we declare them as unique
                   3256:   \ and don't add the address suffix
                   3257:   dup >ghost-flags @ <unique> and 0= 
                   3258:   IF   s" __" $nb, >link @ base @ >r hex 0 <# #s 'L hold #> r> base ! $nb, 
                   3259:   ELSE drop 
                   3260:   THEN
                   3261:   @nb ;
                   3262: 
1.111     jwilke   3263: \ FIXME why disabled?!
1.103     jwilke   3264: : label-from-ghostnameXX ( ghost -- addr len )
                   3265: \ same as (label-from-ghostname) but caches generated names
                   3266:   dup >asm-name @ ?dup IF nip count EXIT THEN
                   3267:  \ dup >r (label-from-ghostname) 2dup
                   3268:   align here >r string, align
                   3269:   r> r> >asm-name ! ;
                   3270: 
                   3271: : primghostdiscover ( xt -- ghost true | xt false )
                   3272:   dup 0= IF false EXIT THEN
                   3273:   >r last-prim-ghost
                   3274:   BEGIN @ dup
                   3275:   WHILE dup >asm-dummyaddr @ r@ =
                   3276:         IF rdrop true EXIT THEN
                   3277:   REPEAT
                   3278:   drop r> false ;
                   3279: 
                   3280: : gdiscover2 ( xt -- ghost true | xt false ) 
                   3281:   dup taddr>region 0= IF false EXIT THEN
                   3282:   dup (>regiontype) @ dup 0= IF drop false EXIT THEN
                   3283:   addr-xt-ghost @ dup 0= IF drop false EXIT THEN
                   3284:   nip true ;
                   3285: \  dup >ghost-name @ IF nip true ELSE drop false THEN ;
                   3286: 
                   3287: \ generates a label name for the target address
                   3288: : generate-label-name ( taddr -- addr len )
                   3289:   gdiscover2
                   3290:   IF dup >magic @ <do:> =
                   3291:      IF >asm-name @ count EXIT THEN
                   3292:      label-from-ghostname
                   3293:   ELSE
                   3294:      primghostdiscover
                   3295:      IF   >asm-name @ count 
                   3296:      ELSE base @ >r hex 0 <# #s 'L hold #> r> base !
                   3297:      THEN
                   3298:   THEN ;
                   3299: 
                   3300: Variable outfile-fd
                   3301: 
                   3302: : $out ( adr len -- ) outfile-fd @ write-file throw  ;
                   3303: : nlout newline $out ;
                   3304: : .ux ( n -- ) 
                   3305:   base @ hex swap 0 <# #S #> $out base ! ;
                   3306: 
                   3307: : save-asm-region-part-aligned ( taddr len -- 'taddr 'len )
                   3308:   dup cell/ 0 
                   3309:   ?DO nlout s"    .word " $out over @relbit 
                   3310:       IF   over X @ generate-label-name $out
                   3311:       ELSE over X @ s" 0x0" $out .ux
                   3312:       THEN
                   3313:       tcell /string
                   3314:   LOOP ;
                   3315: 
                   3316: : print-bytes ( taddr len n -- taddr' len' )
                   3317:   over min dup 0> 
                   3318:   IF   nlout s"    .byte " $out 0 
                   3319:        ?DO  I 0> IF s" , " $out THEN
                   3320:             over X c@ s" 0x0" $out .ux 1 /string 
                   3321:        LOOP 
                   3322:   THEN ;
                   3323: 
                   3324: : save-asm-region-part ( addr len -- )
                   3325:   over dup X aligned swap - ?dup
                   3326:   IF   print-bytes THEN
                   3327:   save-asm-region-part-aligned
                   3328:   dup dup X aligned swap - ?dup
                   3329:   IF   2 pick @relbit ABORT" relocated field splitted"
                   3330:        print-bytes
                   3331:   THEN
                   3332:   2drop ;
                   3333: 
                   3334: : print-label ( taddr -- )
                   3335:   nlout generate-label-name $out s" :" $out ;
                   3336: 
                   3337: : snl-calc ( taddr taddr2 -- )
                   3338:   tuck over - ;
                   3339: 
                   3340: : skip-nolables ( taddr -- taddr2 taddr len )
                   3341: \G skips memory region where no lables are defined
                   3342: \G starting from taddr+1
                   3343: \G Labels will be introduced for each reference mark
                   3344: \G in addr-refs.
                   3345: \G This word deals with lables at byte addresses as well.
                   3346: \G The main idea is to have an intro part which
                   3347: \G skips until the next cell boundary, the middle part
                   3348: \G which skips whole cells very efficiently and the third
                   3349: \G part which skips the bytes to the label in a cell
                   3350:   dup 1+ dup (>regiontype) 
                   3351:   ( S taddr taddr-realstart type-addr )
                   3352:   dup @ dup IF addr-refs @ THEN
                   3353:   swap >r
                   3354:   over align+ tuck tcell swap - rshift swap 0
1.126   ! jwilke   3355:   ?DO dup 1 and 
1.103     jwilke   3356:      IF drop rdrop snl-calc UNLOOP EXIT THEN 
                   3357:      2/ swap 1+ swap 
                   3358:   LOOP
                   3359:   drop r> cell+
                   3360:   ( S .. taddr2 type-addr ) dup
                   3361:   BEGIN dup @ dup IF addr-refs @ THEN 0= WHILE cell+ REPEAT
                   3362:   dup >r swap - 1 cells / tcell * + r>
                   3363:   ( S .. taddr2+skiplencells type-addr )
                   3364:   @ addr-refs @ 1 tcell lshift or
                   3365:   BEGIN dup 1 and 0= WHILE swap 1+ swap 2/ REPEAT drop
                   3366:   ( S .. taddr2+skiplencells+skiplenbytes )
                   3367:   snl-calc ;
                   3368: 
                   3369: : insert-label ( taddr -- )
                   3370:   dup 0= IF drop EXIT THEN
                   3371:   \ ignore everything which points outside our memory regions
                   3372:   \ maybe a primitive pointer or whatever
                   3373:   dup taddr>region 0= IF drop EXIT THEN
                   3374:   dup >r (>regiontype) define-addr-struct addr-refs dup @ 
                   3375:   r> tcell 1- and 1 swap lshift or swap ! ;
                   3376: 
                   3377: \ this generates a sorted list of addresses which must be labels
                   3378: \ it scans therefore a whole region
                   3379: : generate-label-list-region ( taddr len -- )
                   3380:   BEGIN over @relbit IF over X @ insert-label THEN
                   3381:         tcell /string dup 0< 
                   3382:   UNTIL 2drop ;
                   3383: 
                   3384: : generate-label-list ( -- )
                   3385:   region-link
                   3386:   BEGIN @ dup WHILE 
                   3387:         dup 0 >rlink - extent 
                   3388:         ?dup IF generate-label-list-region ELSE drop THEN
                   3389:   REPEAT drop ;
                   3390: 
                   3391: : create-outfile ( addr len -- )
                   3392:   w/o bin create-file throw outfile-fd ! ;
                   3393: 
                   3394: : close-outfile ( -- )
                   3395:   outfile-fd @ close-file throw ;
                   3396: 
                   3397: : (save-asm-region) ( region -- )
                   3398:   \ ." label list..."
                   3399:   generate-label-list
                   3400:   \ ." ok!" cr
                   3401:   extent ( S taddr len )
                   3402:   over insert-label
                   3403:   2dup + dup insert-label >r ( R end-label )
                   3404:   ( S taddr len ) drop
                   3405:   BEGIN
                   3406:      dup print-label
                   3407:      dup r@ <> WHILE
                   3408:      skip-nolables save-asm-region-part
                   3409:   REPEAT drop rdrop ;
                   3410: 
                   3411: : lineout ( addr len -- )
                   3412:   outfile-fd @ write-line throw ;  
                   3413: 
                   3414: : save-asm-region ( region adr len -- )
                   3415:   create-outfile (save-asm-region) close-outfile ;
                   3416: 
1.54      pazsan   3417: \ \ minimal definitions
                   3418:           
1.77      jwilke   3419: >MINIMAL also minimal
                   3420: 
1.1       anton    3421: \ Usefull words                                        13feb93py
                   3422: 
                   3423: : KB  400 * ;
                   3424: 
1.54      pazsan   3425: \ \ [IF] [ELSE] [THEN] ...                             14sep97jaw
                   3426: 
                   3427: \ it is useful to define our own structures and not to rely
1.109     jwilke   3428: \ on the words in the host system
                   3429: \ The words in the host system might be defined with vocabularies
1.54      pazsan   3430: \ this doesn't work with our self-made compile-loop
                   3431: 
                   3432: Create parsed 20 chars allot   \ store word we parsed
                   3433: 
                   3434: : upcase
                   3435:     parsed count bounds
                   3436:     ?DO I c@ toupper I c! LOOP ;
                   3437: 
                   3438: : [ELSE]
                   3439:     1 BEGIN
                   3440:        BEGIN bl word count dup WHILE
1.77      jwilke   3441:            comment? 20 umin parsed place upcase parsed count
1.54      pazsan   3442:            2dup s" [IF]" compare 0= >r 
                   3443:            2dup s" [IFUNDEF]" compare 0= >r
                   3444:            2dup s" [IFDEF]" compare 0= r> or r> or
                   3445:            IF   2drop 1+
                   3446:            ELSE 2dup s" [ELSE]" compare 0=
                   3447:                IF   2drop 1- dup
                   3448:                    IF 1+
                   3449:                    THEN
                   3450:                ELSE
                   3451:                    2dup s" [ENDIF]" compare 0= >r
                   3452:                    s" [THEN]" compare 0= r> or
                   3453:                    IF 1- THEN
                   3454:                THEN
                   3455:            THEN
                   3456:            ?dup 0= ?EXIT
                   3457:        REPEAT
                   3458:        2drop refill 0=
                   3459:     UNTIL drop ; immediate
                   3460:   
                   3461: : [THEN] ( -- ) ; immediate
                   3462: 
                   3463: : [ENDIF] ( -- ) ; immediate
                   3464: 
                   3465: : [IF] ( flag -- )
                   3466:     0= IF postpone [ELSE] THEN ; immediate 
                   3467: 
                   3468: Cond: [IF]      postpone [IF] ;Cond
                   3469: Cond: [THEN]    postpone [THEN] ;Cond
                   3470: Cond: [ELSE]    postpone [ELSE] ;Cond
                   3471: 
1.1       anton    3472: \ define new [IFDEF] and [IFUNDEF]                      20may93jaw
                   3473: 
1.77      jwilke   3474: : defined? tdefined? ;
1.44      pazsan   3475: : needed? needed? ;
                   3476: : doer? doer? ;
1.1       anton    3477: 
1.52      jwilke   3478: \ we want to use IFDEF on compiler directives (e.g. E?) in the source, too
                   3479: 
                   3480: : directive? 
1.77      jwilke   3481:   bl word count [ ' target >wordlist ] literal search-wordlist 
1.52      jwilke   3482:   dup IF nip THEN ;
                   3483: 
                   3484: : [IFDEF]  >in @ directive? swap >in !
1.77      jwilke   3485:           0= IF tdefined? ELSE name 2drop true THEN
1.52      jwilke   3486:           postpone [IF] ;
                   3487: 
1.77      jwilke   3488: : [IFUNDEF] tdefined? 0= postpone [IF] ;
1.1       anton    3489: 
1.54      pazsan   3490: Cond: [IFDEF]   postpone [IFDEF] ;Cond
                   3491: 
                   3492: Cond: [IFUNDEF] postpone [IFUNDEF] ;Cond
                   3493: 
1.1       anton    3494: \ C: \- \+ Conditional Compiling                         09jun93jaw
                   3495: 
1.77      jwilke   3496: : C: >in @ tdefined? 0=
                   3497:      IF    >in ! X :
1.1       anton    3498:      ELSE drop
                   3499:         BEGIN bl word dup c@
                   3500:               IF   count comment? s" ;" compare 0= ?EXIT
                   3501:               ELSE refill 0= ABORT" CROSS: Out of Input while C:"
                   3502:               THEN
                   3503:         AGAIN
                   3504:      THEN ;
                   3505: 
1.74      jwilke   3506: : d? d? ;
                   3507: 
1.123     jwilke   3508: : \D ( -- "debugswitch" ) 
1.74      jwilke   3509: \G doesn't skip line when debug switch is on
1.123     jwilke   3510:     D? 0= IF postpone \ THEN ;
1.52      jwilke   3511: 
1.123     jwilke   3512: : \- ( -- "wordname" )
1.48      anton    3513: \G interprets the line if word is not defined
1.123     jwilke   3514:    tdefined? IF postpone \ THEN ;
1.48      anton    3515: 
1.123     jwilke   3516: : \+ ( -- "wordname" )
1.48      anton    3517: \G interprets the line if word is defined
1.123     jwilke   3518:    tdefined? 0= IF postpone \ THEN ;
                   3519: 
                   3520: : \? ( -- "envorinstring" )
                   3521: \G Skip line if environmental variable evaluates to false
                   3522:    X has? 0= IF postpone \ THEN ;
1.1       anton    3523: 
1.48      anton    3524: Cond: \- \- ;Cond
                   3525: Cond: \+ \+ ;Cond
1.52      jwilke   3526: Cond: \D \D ;Cond
1.123     jwilke   3527: Cond: \? \? ;Cond
1.48      anton    3528: 
                   3529: : ?? bl word find IF execute ELSE drop 0 THEN ;
                   3530: 
                   3531: : needed:
                   3532: \G defines ghost for words that we want to be compiled
1.103     jwilke   3533:   BEGIN >in @ bl word c@ WHILE >in ! Ghost drop REPEAT drop ;
1.48      anton    3534: 
1.1       anton    3535: \ words that should be in minimal
1.52      jwilke   3536: 
                   3537: create s-buffer 50 chars allot
                   3538: 
1.77      jwilke   3539: bigendian Constant bigendian
1.1       anton    3540: 
1.52      jwilke   3541: : here there ;
1.67      jwilke   3542: : equ constant ;
                   3543: : mark there constant ;
1.54      pazsan   3544: 
                   3545: \ compiler directives
1.52      jwilke   3546: : >ram >ram ;
                   3547: : >rom >rom ;
                   3548: : >auto >auto ;
                   3549: : >tempdp >tempdp ;
                   3550: : tempdp> tempdp> ;
                   3551: : const constflag on ;
1.103     jwilke   3552: 
                   3553: : Redefinitions-start
                   3554: \G Starts a redefinition section. Warnings are disabled and
                   3555: \G existing ghosts are reused. This is used in the kernel
                   3556: \G where ( and \ and the like are redefined
                   3557:   twarnings off warnings off reuse-ghosts on ;
                   3558: 
                   3559: : Redefinitions-end
                   3560: \G Ends a redefinition section. Warnings are enabled again.
                   3561:   twarnings on warnings on reuse-ghosts off ;
                   3562: 
                   3563: : warnings name 3 = 
                   3564:   IF twarnings off warnings off ELSE twarnings on warnings on THEN drop ;
1.102     jwilke   3565: 
1.60      anton    3566: : | ;
                   3567: \ : | NoHeaderFlag on ; \ This is broken (damages the last word)
1.52      jwilke   3568: 
1.48      anton    3569: : save-cross save-cross ;
1.52      jwilke   3570: : save-region save-region ;
                   3571: : tdump swap >image swap dump ;
                   3572: 
1.48      anton    3573: also forth 
1.52      jwilke   3574: [IFDEF] Label           : Label defempty? Label ; [THEN] 
                   3575: [IFDEF] start-macros    : start-macros defempty? start-macros ; [THEN]
1.77      jwilke   3576: \ [IFDEF] builttag     : builttag builttag ;   [THEN]
1.48      anton    3577: previous
                   3578: 
1.52      jwilke   3579: : s" [char] " parse s-buffer place s-buffer count ; \ for environment?
1.43      pazsan   3580: : + + ;
1.52      jwilke   3581: : 1+ 1 + ;
                   3582: : 2+ 2 + ;
1.43      pazsan   3583: : 1- 1- ;
                   3584: : - - ;
1.52      jwilke   3585: : and and ;
                   3586: : or or ;
1.43      pazsan   3587: : 2* 2* ;
                   3588: : * * ;
                   3589: : / / ;
                   3590: : dup dup ;
                   3591: : over over ;
                   3592: : swap swap ;
                   3593: : rot rot ;
                   3594: : drop drop ;
                   3595: : =   = ;
1.122     jwilke   3596: : <>  <> ;
1.43      pazsan   3597: : 0=   0= ;
                   3598: : lshift lshift ;
                   3599: : 2/ 2/ ;
1.103     jwilke   3600: \ : . . ;
1.1       anton    3601: 
1.79      jwilke   3602: : all-words    ['] forced?    IS skip? ;
1.43      pazsan   3603: : needed-words ['] needed?  IS skip? ;
1.75      jwilke   3604: : undef-words  ['] defined2? IS skip? ;
                   3605: : skipdef skipdef ;
1.1       anton    3606: 
1.40      pazsan   3607: : \  postpone \ ;  immediate
1.47      pazsan   3608: : \G T-\G ; immediate
1.40      pazsan   3609: : (  postpone ( ;  immediate
1.1       anton    3610: : include bl word count included ;
1.103     jwilke   3611: : included swap >image swap included ;
1.52      jwilke   3612: : require require ;
1.103     jwilke   3613: : needs require ;
1.1       anton    3614: : .( [char] ) parse type ;
1.52      jwilke   3615: : ." [char] " parse type ;
1.1       anton    3616: : cr cr ;
                   3617: 
1.77      jwilke   3618: : times 0 ?DO dup X c, LOOP drop ; \ used for space table creation
                   3619: 
                   3620: \ only forth also cross also minimal definitions order
1.1       anton    3621: 
                   3622: \ cross-compiler words
                   3623: 
1.103     jwilke   3624: : decimal       decimal [g'] decimal >exec2 @ ?dup IF EXECUTE THEN ;
                   3625: : hex           hex [g'] hex >exec2 @ ?dup IF EXECUTE THEN ;
1.1       anton    3626: 
1.77      jwilke   3627: \ : tudp          X tudp ;
                   3628: \ : tup           X tup ;
                   3629: 
                   3630: : doc-off       false to-doc ! ;
                   3631: : doc-on        true  to-doc ! ;
1.39      pazsan   3632: 
1.103     jwilke   3633: : declareunique ( "name" -- )
                   3634: \G Sets the unique flag for a ghost. The assembler output
                   3635: \G generates labels with the ghostname concatenated with the address
                   3636: \G while cross-compiling. The address is concatenated
                   3637: \G because we have double occurences of the same name.
                   3638: \G If we want to reference the labels from the assembler or C
                   3639: \G code we declare them unique, so the address is skipped.
                   3640:   Ghost >ghost-flags dup @ <unique> or swap ! ;
                   3641: 
                   3642: \ [IFDEF] dbg : dbg dbg ; [THEN]
1.39      pazsan   3643: 
1.1       anton    3644: \ for debugging...
1.103     jwilke   3645: \ : dbg dbg ;
                   3646: : horder         order ;
                   3647: : hwords        words ;
                   3648: \ : words      also ghosts 
                   3649: \                words previous ;
1.105     jwilke   3650: : .s            .s ;
1.122     jwilke   3651: : depth         depth ;
1.1       anton    3652: : bye           bye ;
1.99      pazsan   3653: 
1.103     jwilke   3654: \ dummy
                   3655: : group 0 word drop ;
                   3656: 
1.1       anton    3657: \ turnkey direction
                   3658: : H forth ; immediate
                   3659: : T minimal ; immediate
                   3660: : G ghosts ; immediate
                   3661: 
                   3662: 
                   3663: \ these ones are pefered:
                   3664: 
1.74      jwilke   3665: : unlock previous forth also cross ;
1.52      jwilke   3666: 
1.77      jwilke   3667: \ also minimal
1.103     jwilke   3668: >cross
                   3669: 
                   3670: : turnkey 
                   3671:    ghosts-wordlist 1 set-order
                   3672:    also target definitions
                   3673:    also Minimal also ;
                   3674: 
                   3675: >minimal
                   3676: 
                   3677: : [[+++
                   3678:   turnkey unlock ;
1.1       anton    3679: 
                   3680: unlock definitions also minimal
1.77      jwilke   3681: 
1.103     jwilke   3682: : lock   turnkey ;
                   3683: 
                   3684: Defer +++]]-hook
                   3685: : +++]] +++]]-hook lock ;
                   3686: 
                   3687: LOCK
1.77      jwilke   3688: \ load cross compiler extension defined in mach file
                   3689: 
                   3690: UNLOCK >CROSS
                   3691: 
                   3692: [IFDEF] extend-cross extend-cross [THEN]
                   3693: 
                   3694: LOCK

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