Annotation of gforth/cross.fs, revision 1.72

1.1       anton       1: \ CROSS.FS     The Cross-Compiler                      06oct92py
                      2: \ Idea and implementation: Bernd Paysan (py)
1.30      anton       3: 
1.69      anton       4: \ Copyright (C) 1995,1996,1997,1998,1999 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
                     20: \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
1.1       anton      21: 
1.67      jwilke     22: 0 
                     23: [IF]
                     24: 
                     25: ToDo:
                     26: Crossdoc destination ./doc/crossdoc.fd makes no sense when
                     27: cross.fs is uses seperately. jaw
                     28: Do we need this char translation with >address and in branchoffset? 
                     29: (>body also affected) jaw
                     30: Clean up mark> and >resolve stuff jaw
                     31: 
                     32: [THEN]
1.48      anton      33: 
                     34: 
1.52      jwilke     35: hex     \ the defualt base for the cross-compiler is hex !!
                     36: Warnings off
                     37: 
                     38: \ words that are generaly useful
                     39: 
1.59      pazsan     40: : KB  400 * ;
1.52      jwilke     41: : >wordlist ( vocabulary-xt -- wordlist-struct )
                     42:   also execute get-order swap >r 1- set-order r> ;
                     43: 
                     44: : umax 2dup u< IF swap THEN drop ;
                     45: : umin 2dup u> IF swap THEN drop ;
1.1       anton      46: 
1.23      pazsan     47: : string, ( c-addr u -- )
                     48:     \ puts down string as cstring
                     49:     dup c, here swap chars dup allot move ;
1.5       pazsan     50: 
1.52      jwilke     51: : SetValue ( n -- <name> )
1.54      pazsan     52: \G Same behaviour as "Value" if the <name> is not defined
                     53: \G Same behaviour as "to" if <name> is defined
1.52      jwilke     54: \G SetValue searches in the current vocabulary
1.68      jwilke     55:   save-input bl word >r restore-input throw r> count
                     56:   get-current search-wordlist
                     57:   IF   drop >r
                     58:        \ we have to set current to be topmost context wordlist
                     59:        get-order get-order get-current swap 1+ set-order
                     60:        r> ['] to execute
                     61:        set-order order
                     62:   ELSE Value THEN ;
1.52      jwilke     63: 
                     64: : DefaultValue ( n -- <name> )
1.54      pazsan     65: \G Same behaviour as "Value" if the <name> is not defined
                     66: \G DefaultValue searches in the current vocabulary
1.52      jwilke     67:  save-input bl word >r restore-input throw r> count
                     68:  get-current search-wordlist
1.56      pazsan     69:  IF bl word drop 2drop ELSE Value THEN ;
1.1       anton      70: 
                     71: hex
                     72: 
                     73: Vocabulary Cross
                     74: Vocabulary Target
                     75: Vocabulary Ghosts
                     76: VOCABULARY Minimal
                     77: only Forth also Target also also
                     78: definitions Forth
                     79: 
                     80: : T  previous Cross also Target ; immediate
                     81: : G  Ghosts ; immediate
                     82: : H  previous Forth also Cross ; immediate
                     83: 
                     84: forth definitions
                     85: 
                     86: : T  previous Cross also Target ; immediate
                     87: : G  Ghosts ; immediate
                     88: 
                     89: : >cross  also Cross definitions previous ;
                     90: : >target also Target definitions previous ;
                     91: : >minimal also Minimal definitions previous ;
                     92: 
                     93: H
                     94: 
                     95: >CROSS
                     96: 
1.52      jwilke     97: \ 1 Constant Cross-Flag        \ to check whether assembler compiler plug-ins are
                     98:                        \ for cross-compiling
                     99: \ No! we use "[IFUNDEF]" there to find out whether we are target compiling!!!
                    100: 
                    101: : comment? ( c-addr u -- c-addr u )
                    102:         2dup s" (" compare 0=
                    103:         IF    postpone (
                    104:         ELSE  2dup s" \" compare 0= IF postpone \ THEN
                    105:         THEN ;
                    106: 
                    107: \ Begin CROSS COMPILER:
                    108: 
                    109: 
                    110: 
                    111: \ \ --------------------        Error Handling                  05aug97jaw
                    112: 
                    113: \ Flags
                    114: 
                    115: also forth definitions  \ these values may be predefined before
                    116:                         \ the cross-compiler is loaded
                    117: 
                    118: false DefaultValue stack-warn           \ check on empty stack at any definition
                    119: false DefaultValue create-forward-warn   \ warn on forward declaration of created words
                    120: 
                    121: [IFUNDEF] DebugMaskSrouce Variable DebugMaskSource 0 DebugMaskSource ! [THEN]
                    122: [IFUNDEF] DebugMaskCross  Variable DebugMaskCross  0 DebugMaskCross  ! [THEN]
                    123: 
                    124: previous >CROSS
                    125: 
1.53      jwilke    126: : .dec
                    127:   base @ decimal swap . base ! ;
                    128: 
1.52      jwilke    129: : .sourcepos
                    130:   cr sourcefilename type ." :"
1.53      jwilke    131:   sourceline# .dec ;
1.52      jwilke    132: 
                    133: : warnhead
                    134: \G display error-message head
                    135: \G perhaps with linenumber and filename
                    136:   .sourcepos ." Warning: " ;
                    137: 
                    138: : empty? depth IF .sourcepos ." Stack not empty!"  THEN ;
                    139: 
                    140: stack-warn [IF]
                    141: : defempty? empty? ;
                    142: [ELSE]
                    143: : defempty? ; immediate
                    144: [THEN]
                    145: 
                    146: 
1.54      pazsan    147: 
1.52      jwilke    148: \ \ GhostNames Ghosts                                  9may93jaw
                    149: 
                    150: \ second name source to search trough list
                    151: 
                    152: VARIABLE GhostNames
                    153: 0 GhostNames !
                    154: 
                    155: : GhostName ( -- addr )
                    156:     here GhostNames @ , GhostNames ! here 0 ,
                    157:     bl word count
                    158:     \ 2dup type space
                    159:     string, \ !! cfalign ?
                    160:     align ;
                    161: 
                    162: \ Ghost Builder                                        06oct92py
                    163: 
                    164: \ <T T> new version with temp variable                 10may93jaw
                    165: 
                    166: VARIABLE VocTemp
                    167: 
                    168: : <T  get-current VocTemp ! also Ghosts definitions ;
                    169: : T>  previous VocTemp @ set-current ;
                    170: 
                    171: hex
                    172: 4711 Constant <fwd>             4712 Constant <res>
                    173: 4713 Constant <imm>             4714 Constant <do:>
                    174: 
                    175: \ iForth makes only immediate directly after create
                    176: \ make atonce trick! ?
                    177: 
                    178: Variable atonce atonce off
                    179: 
                    180: : NoExec true ABORT" CROSS: Don't execute ghost" ;
                    181: 
                    182: : GhostHeader <fwd> , 0 , ['] NoExec , ;
                    183: 
                    184: : >magic ;             \ type of ghost
                    185: : >link cell+ ;                \ pointer where ghost is in target, or if unresolved
                    186:                        \ points to the where we have to resolve (linked-list)
                    187: : >exec cell+ cell+ ;  \ execution symantics (while target compiling) of ghost
                    188: : >end 3 cells + ;     \ room for additional tags
                    189:                        \ for builder (create, variable...) words the
                    190:                        \ execution symantics of words built are placed here
                    191: 
                    192: Variable executed-ghost \ last executed ghost, needed in tcreate and gdoes>
                    193: Variable last-ghost    \ last ghost that is created
                    194: Variable last-header-ghost \ last ghost definitions with header
                    195: 
                    196: : Make-Ghost ( "name" -- ghost )
                    197:   >in @ GhostName swap >in !
                    198:   <T Create atonce @ IF immediate atonce off THEN
                    199:   here tuck swap ! ghostheader T>
                    200:   dup last-ghost !
                    201:   DOES> dup executed-ghost ! >exec @ execute ;
                    202: 
                    203: \ ghost words                                          14oct92py
                    204: \                                          changed:    10may93py/jaw
                    205: 
                    206: : gfind   ( string -- ghost true/1 / string false )
                    207: \ searches for string in word-list ghosts
                    208:   dup count [ ' ghosts >wordlist ] ALiteral search-wordlist
                    209:   dup IF >r >body nip r>  THEN ;
                    210: 
                    211: : gdiscover ( xt -- ghost true | xt false )
                    212:   GhostNames
                    213:   BEGIN @ dup
                    214:   WHILE 2dup
                    215:         cell+ @ dup >magic @ <fwd> <>
                    216:         >r >link @ = r> and
                    217:         IF cell+ @ nip true EXIT THEN
                    218:   REPEAT
                    219:   drop false ;
                    220: 
                    221: VARIABLE Already
                    222: 
                    223: : ghost   ( "name" -- ghost )
                    224:   Already off
                    225:   >in @  bl word gfind   IF  Already on nip EXIT  THEN
                    226:   drop  >in !  Make-Ghost ;
                    227: 
                    228: : >ghostname ( ghost -- adr len )
                    229:   GhostNames
                    230:   BEGIN @ dup
                    231:   WHILE 2dup cell+ @ =
                    232:   UNTIL nip 2 cells + count
1.54      pazsan    233:   ELSE  2drop 
                    234:        \ true abort" CROSS: Ghostnames inconsistent"
                    235:        s" ?!?!?!"
1.52      jwilke    236:   THEN ;
                    237: 
                    238: ' >ghostname ALIAS @name
                    239: 
                    240: : forward? ( ghost -- flag )
                    241:   >magic @ <fwd> = ;
                    242: 
                    243: \ Predefined ghosts                                    12dec92py
                    244: 
                    245: ghost 0=                                        drop
                    246: ghost branch    ghost ?branch                   2drop
                    247: ghost (do)      ghost (?do)                     2drop
                    248: ghost (for)                                     drop
                    249: ghost (loop)    ghost (+loop)                   2drop
                    250: ghost (next)                                    drop
                    251: ghost unloop    ghost ;S                        2drop
                    252: ghost lit       ghost (compile) ghost !         2drop drop
                    253: ghost (does>)   ghost noop                      2drop
                    254: ghost (.")      ghost (S")      ghost (ABORT")  2drop drop
                    255: ghost '                                         drop
                    256: ghost :docol    ghost :doesjump ghost :dodoes   2drop drop
1.54      pazsan    257: ghost :dovar                                   drop
1.52      jwilke    258: ghost over      ghost =         ghost drop      2drop drop
                    259: ghost - drop
1.54      pazsan    260: ghost 2drop drop
                    261: ghost 2dup drop
1.52      jwilke    262: 
                    263: \ \ Parameter for target systems                         06oct92py
                    264: 
                    265: \ we define it ans like...
                    266: wordlist Constant target-environment
                    267: 
                    268: VARIABLE env-current \ save information of current dictionary to restore with environ>
                    269: 
                    270: : >ENVIRON get-current env-current ! target-environment set-current ;
                    271: : ENVIRON> env-current @ set-current ; 
1.43      pazsan    272: 
1.48      anton     273: >TARGET
1.43      pazsan    274: 
1.67      jwilke    275: : environment? ( adr len -- [ x ] true | false )
1.52      jwilke    276:   target-environment search-wordlist 
                    277:   IF execute true ELSE false THEN ;
                    278: 
1.67      jwilke    279: : e? bl word count T environment? H 0= ABORT" environment variable not defined!" ;
1.52      jwilke    280: 
1.67      jwilke    281: : has?         bl word count T environment? H 
1.53      jwilke    282:        IF      \ environment variable is present, return its value
                    283:        ELSE    \ environment variable is not present, return false
                    284:                \ !! JAW abort is just for testing
                    285:                false true ABORT" arg" 
                    286:        THEN ;
1.52      jwilke    287: 
                    288: : $has? T environment? H IF ELSE false THEN ;
1.48      anton     289: 
1.54      pazsan    290: >ENVIRON get-order get-current swap 1+ set-order
                    291: true SetValue compiler
1.53      jwilke    292: true  SetValue cross
1.54      pazsan    293: true SetValue standard-threading
                    294: >TARGET previous
1.52      jwilke    295: 
1.59      pazsan    296: 
1.52      jwilke    297: mach-file count included hex
1.43      pazsan    298: 
1.53      jwilke    299: >ENVIRON
                    300: 
1.54      pazsan    301: T has? ec H
                    302: [IF]
                    303: false DefaultValue relocate
                    304: false DefaultValue file
                    305: false DefaultValue OS
                    306: false DefaultValue prims
                    307: false DefaultValue floating
                    308: false DefaultValue glocals
                    309: false DefaultValue dcomps
                    310: false DefaultValue hash
                    311: false DefaultValue xconds
                    312: false DefaultValue header
                    313: [THEN]
                    314: 
                    315: true DefaultValue interpreter
                    316: true DefaultValue ITC
                    317: false DefaultValue rom
1.53      jwilke    318: 
1.52      jwilke    319: >TARGET
1.53      jwilke    320: s" relocate" T environment? H 
                    321: [IF]   SetValue NIL
                    322: [ELSE] >ENVIRON T NIL H SetValue relocate
                    323: [THEN]
1.43      pazsan    324: 
                    325: >CROSS
                    326: 
1.52      jwilke    327: \ \ Create additional parameters                         19jan95py
1.19      pazsan    328: 
1.71      jwilke    329: \ currently cross only works for host machines with address-unit-bits
                    330: \ eual to 8 because of s! and sc!
                    331: \ but I start to query the environment just to modularize a little bit
                    332: 
                    333: : check-address-unit-bits ( -- )       
                    334: \      s" ADDRESS-UNIT-BITS" environment?
                    335: \      IF 8 <> ELSE true THEN
                    336: \      ABORT" ADDRESS-UNIT-BITS unknown or not equal to 8!"
                    337: 
                    338: \      shit, this doesn't work because environment? is only defined for 
                    339: \      gforth.fi and not kernl???.fi
                    340:        ;
                    341: 
                    342: check-address-unit-bits
                    343: 8 Constant bits/byte   \ we define: byte is address-unit
                    344: 
                    345: 1 bits/byte lshift Constant maxbyte 
1.67      jwilke    346: \ this sets byte size for the target machine, an (probably right guess) jaw
                    347: 
1.19      pazsan    348: T
1.71      jwilke    349: NIL                    Constant TNIL
                    350: cell                   Constant tcell
                    351: cell<<                 Constant tcell<<
                    352: cell>bit               Constant tcell>bit
                    353: bits/char              Constant tbits/char
                    354: bits/char H bits/byte T /      
                    355:                        Constant tchar
                    356: float                  Constant tfloat
                    357: 1 bits/char lshift     Constant tmaxchar
                    358: [IFUNDEF] bits/byte
                    359: 8                      Constant tbits/byte
                    360: [ELSE]
                    361: bits/byte              Constant tbits/byte
                    362: [THEN]
1.19      pazsan    363: H
1.71      jwilke    364: tbits/byte bits/byte / Constant tbyte
                    365: 
1.19      pazsan    366: 
1.48      anton     367: \ Variables                                            06oct92py
                    368: 
                    369: Variable image
                    370: Variable tlast    TNIL tlast !  \ Last name field
                    371: Variable tlastcfa \ Last code field
                    372: Variable tdoes    \ Resolve does> calls
                    373: Variable bit$
1.52      jwilke    374: 
                    375: \ statistics                                           10jun97jaw
                    376: 
                    377: Variable headers-named 0 headers-named !
                    378: Variable user-vars 0 user-vars !
                    379: 
1.67      jwilke    380: : target>bitmask-size ( u1 -- u2 )
                    381:   1- tcell>bit rshift 1+ ;
                    382: 
                    383: : allocatetarget ( size --- adr )
                    384:   dup allocate ABORT" CROSS: No memory for target"
                    385:   swap over swap erase ;
1.52      jwilke    386: 
1.54      pazsan    387: \ \ memregion.fs
1.52      jwilke    388: 
                    389: 
                    390: Variable last-defined-region    \ pointer to last defined region
                    391: Variable region-link            \ linked list with all regions
                    392: Variable mirrored-link          \ linked list for mirrored regions
                    393: 0 dup mirrored-link ! region-link !
                    394: 
                    395: 
1.67      jwilke    396: : >rname 6 cells + ;
                    397: : >rbm   5 cells + ;
                    398: : >rmem  4 cells + ;
                    399: : >rlink 3 cells + ;
1.52      jwilke    400: : >rdp 2 cells + ;
                    401: : >rlen cell+ ;
                    402: : >rstart ;
                    403: 
                    404: 
                    405: : region ( addr len -- )                \G create a new region
                    406:   \ check whether predefined region exists 
                    407:   save-input bl word find >r >r restore-input throw r> r> 0= 
                    408:   IF   \ make region
                    409:        drop
                    410:        save-input create restore-input throw
                    411:        here last-defined-region !
                    412:        over ( startaddr ) , ( length ) , ( dp ) ,
1.67      jwilke    413:        region-link linked 0 , 0 , bl word count string,
1.52      jwilke    414:   ELSE \ store new parameters in region
                    415:         bl word drop
                    416:        >body >r r@ last-defined-region !
1.67      jwilke    417:        r@ >rlen ! dup r@ >rstart ! r> >rdp !
1.52      jwilke    418:   THEN ;
                    419: 
                    420: : borders ( region -- startaddr endaddr ) \G returns lower and upper region border
1.67      jwilke    421:   dup >rstart @ swap >rlen @ over + ;
1.52      jwilke    422: 
                    423: : extent  ( region -- startaddr len )   \G returns the really used area
1.67      jwilke    424:   dup >rstart @ swap >rdp @ over - ;
1.52      jwilke    425: 
                    426: : area ( region -- startaddr totallen ) \G returns the total area
1.67      jwilke    427:   dup >rstart swap >rlen @ ;
1.52      jwilke    428: 
                    429: : mirrored                              \G mark a region as mirrored
                    430:   mirrored-link
1.68      jwilke    431:   align linked last-defined-region @ , ;
1.52      jwilke    432: 
1.67      jwilke    433: : .addr ( u -- )
                    434: \G prints a 16 or 32 Bit nice hex value
1.52      jwilke    435:   base @ >r hex
                    436:   tcell 2 u>
                    437:   IF s>d <# # # # # '. hold # # # # #> type
                    438:   ELSE s>d <# # # # # # #> type
                    439:   THEN r> base ! ;
                    440: 
                    441: : .regions                      \G display region statistic
                    442: 
                    443:   \ we want to list the regions in the right order
                    444:   \ so first collect all regions on stack
                    445:   0 region-link @
                    446:   BEGIN dup WHILE dup @ REPEAT drop
                    447:   BEGIN dup
1.67      jwilke    448:   WHILE cr
                    449:         0 >rlink - >r
                    450:         r@ >rname count tuck type
1.52      jwilke    451:         12 swap - 0 max spaces space
1.67      jwilke    452:         ." Start: " r@ >rstart @ dup .addr space
                    453:         ." End: " r@ >rlen @ + .addr space
                    454:         ." DP: " r> >rdp @ .addr
1.52      jwilke    455:   REPEAT drop
1.53      jwilke    456:   s" rom" T $has? H 0= ?EXIT
1.52      jwilke    457:   cr ." Mirrored:"
                    458:   mirrored-link @
                    459:   BEGIN dup
1.67      jwilke    460:   WHILE space dup cell+ @ >rname count type @
1.52      jwilke    461:   REPEAT drop cr
                    462:   ;
                    463: 
                    464: \ -------- predefined regions
                    465: 
                    466: 0 0 region address-space
                    467: \ total memory addressed and used by the target system
                    468: 
                    469: 0 0 region dictionary
                    470: \ rom area for the compiler
                    471: 
1.53      jwilke    472: T has? rom H
1.52      jwilke    473: [IF]
                    474: 0 0 region ram-dictionary mirrored
                    475: \ ram area for the compiler
                    476: [ELSE]
                    477: ' dictionary ALIAS ram-dictionary
                    478: [THEN]
                    479: 
                    480: 0 0 region return-stack
                    481: 
                    482: 0 0 region data-stack
                    483: 
                    484: 0 0 region tib-region
                    485: 
                    486: ' dictionary ALIAS rom-dictionary
                    487: 
                    488: 
                    489: : setup-target ( -- )   \G initialize targets memory space
1.53      jwilke    490:   s" rom" T $has? H
1.52      jwilke    491:   IF  \ check for ram and rom...
1.72    ! jwilke    492:       \ address-space area nip 0<>
1.67      jwilke    493:       ram-dictionary area nip 0<>
                    494:       rom-dictionary area nip 0<>
1.72    ! jwilke    495:       and 0=
1.52      jwilke    496:       ABORT" CROSS: define address-space, rom- , ram-dictionary, with rom-support!"
                    497:   THEN
                    498:   address-space area nip
                    499:   IF
                    500:       address-space area
                    501:   ELSE
                    502:       dictionary area
                    503:   THEN
1.67      jwilke    504:   nip 0=
1.52      jwilke    505:   ABORT" CROSS: define at least address-space or dictionary!!"
1.67      jwilke    506: 
                    507:   \ allocate target for each region
                    508:   region-link
                    509:   BEGIN @ dup
                    510:   WHILE dup
                    511:         0 >rlink - >r
                    512:         r@ >rlen @
                    513:         IF      \ allocate mem
                    514:                 r@ >rlen @ dup
                    515: 
                    516:                 allocatetarget dup image !
                    517:                 r@ >rmem !
                    518: 
                    519:                 target>bitmask-size allocatetarget
1.72    ! jwilke    520:                 dup bit$ !
1.67      jwilke    521:                 r> >rbm !
                    522: 
                    523:         ELSE    r> drop THEN
1.72    ! jwilke    524:    REPEAT drop ;
        !           525: 
        !           526: \ MakeKernal                                                           22feb99jaw
        !           527: 
        !           528: : makekernel ( targetsize -- targetsize )
        !           529:   dup dictionary >rlen ! setup-target ;
        !           530: 
        !           531: >MINIMAL
        !           532: : makekernel makekernel ;
        !           533: >CROSS
1.52      jwilke    534: 
1.54      pazsan    535: \ \ switched tdp for rom support                               03jun97jaw
1.52      jwilke    536: 
                    537: \ second value is here to store some maximal value for statistics
                    538: \ tempdp is also embedded here but has nothing to do with rom support
                    539: \ (needs switched dp)
                    540: 
                    541: variable tempdp        0 ,     \ temporary dp for resolving
                    542: variable tempdp-save
                    543: 
                    544: 0 [IF]
                    545: variable romdp 0 ,      \ Dictionary-Pointer for ramarea
                    546: variable ramdp 0 ,      \ Dictionary-Pointer for romarea
                    547: 
                    548: \
                    549: variable sramdp                \ start of ram-area for forth
                    550: variable sromdp                \ start of rom-area for forth
                    551: 
                    552: [THEN]
                    553: 
                    554: 
                    555: 0 value tdp
                    556: variable fixed         \ flag: true: no automatic switching
                    557:                        \       false: switching is done automatically
                    558: 
                    559: \ Switch-Policy:
                    560: \
                    561: \ a header is always compiled into rom
                    562: \ after a created word (create and variable) compilation goes to ram
                    563: \
                    564: \ Be careful: If you want to make the data behind create into rom
                    565: \ you have to put >rom before create!
                    566: 
                    567: variable constflag constflag off
                    568: 
1.67      jwilke    569: : activate ( region -- )
                    570: \G next code goes to this region
                    571:   >rdp to tdp ;
                    572: 
1.52      jwilke    573: : (switchram)
1.53      jwilke    574:   fixed @ ?EXIT s" rom" T $has? H 0= ?EXIT
1.67      jwilke    575:   ram-dictionary activate ;
1.52      jwilke    576: 
                    577: : switchram
                    578:   constflag @
                    579:   IF constflag off ELSE (switchram) THEN ;
                    580: 
                    581: : switchrom
1.67      jwilke    582:   fixed @ ?EXIT rom-dictionary activate ;
1.52      jwilke    583: 
                    584: : >tempdp ( addr -- ) 
                    585:   tdp tempdp-save ! tempdp to tdp tdp ! ;
                    586: : tempdp> ( -- )
                    587:   tempdp-save @ to tdp ;
                    588: 
                    589: : >ram  fixed off (switchram) fixed on ;
                    590: : >rom  fixed off switchrom fixed on ;
                    591: : >auto fixed off switchrom ;
                    592: 
                    593: 
                    594: 
                    595: \ : romstart dup sromdp ! romdp ! ;
                    596: \ : ramstart dup sramdp ! ramdp ! ;
                    597: 
1.67      jwilke    598: \ default compilation goes to rom
1.52      jwilke    599: \ when romable support is off, only the rom switch is used (!!)
                    600: >auto
                    601: 
1.48      anton     602: : there  tdp @ ;
                    603: 
1.52      jwilke    604: >TARGET
1.48      anton     605: 
1.52      jwilke    606: \ \ Target Memory Handling
1.1       anton     607: 
                    608: \ Byte ordering and cell size                          06oct92py
                    609: 
1.19      pazsan    610: : cell+         tcell + ;
                    611: : cells         tcell<< lshift ;
1.71      jwilke    612: : chars         tchar * ;
                    613: : char+                tchar + ;
1.19      pazsan    614: : floats       tfloat * ;
1.6       anton     615:     
1.1       anton     616: >CROSS
1.19      pazsan    617: : cell/         tcell<< rshift ;
1.1       anton     618: >TARGET
                    619: 20 CONSTANT bl
1.52      jwilke    620: \ TNIL Constant NIL
1.1       anton     621: 
                    622: >CROSS
                    623: 
1.20      pazsan    624: bigendian
                    625: [IF]
1.52      jwilke    626:    : S!  ( n addr -- )  >r s>d r> tcell bounds swap 1-
1.20      pazsan    627:      DO  maxbyte ud/mod rot I c!  -1 +LOOP  2drop ;
1.52      jwilke    628:    : S@  ( addr -- n )  >r 0 0 r> tcell bounds
1.20      pazsan    629:      DO  maxbyte * swap maxbyte um* rot + swap I c@ + swap  LOOP d>s ;
1.57      pazsan    630:    : Sc!  ( n addr -- )  >r s>d r> tchar bounds swap 1-
                    631:      DO  maxbyte ud/mod rot I c!  -1 +LOOP  2drop ;
                    632:    : Sc@  ( addr -- n )  >r 0 0 r> tchar bounds
                    633:      DO  maxbyte * swap maxbyte um* rot + swap I c@ + swap  LOOP d>s ;
1.19      pazsan    634: [ELSE]
1.52      jwilke    635:    : S!  ( n addr -- )  >r s>d r> tcell bounds
1.20      pazsan    636:      DO  maxbyte ud/mod rot I c!  LOOP  2drop ;
1.52      jwilke    637:    : S@  ( addr -- n )  >r 0 0 r> tcell bounds swap 1-
1.20      pazsan    638:      DO  maxbyte * swap maxbyte um* rot + swap I c@ + swap  -1 +LOOP d>s ;
1.57      pazsan    639:    : Sc!  ( n addr -- )  >r s>d r> tchar bounds
                    640:      DO  maxbyte ud/mod rot I c!  LOOP  2drop ;
                    641:    : Sc@  ( addr -- n )  >r 0 0 r> tchar bounds swap 1-
                    642:      DO  maxbyte * swap maxbyte um* rot + swap I c@ + swap  -1 +LOOP d>s ;
1.1       anton     643: [THEN]
                    644: 
1.67      jwilke    645: : taddr>region ( taddr -- region | 0 )
                    646: \G finds for a target-address the correct region
                    647: \G returns 0 if taddr is not in range of a target memory region
                    648:   region-link
                    649:   BEGIN @ dup
                    650:   WHILE dup >r
                    651:         0 >rlink - >r
                    652:         r@ >rlen @
                    653:         IF      dup r@ borders within
                    654:                 IF r> r> drop nip EXIT THEN
                    655:         THEN
                    656:         r> drop
                    657:         r>
                    658:   REPEAT
                    659:   2drop 0 ;
                    660: 
                    661: : (>regionimage) ( taddr -- 'taddr )
                    662:   dup
                    663:   \ find region we want to address
                    664:   taddr>region dup 0= ABORT" Address out of range!"
                    665:   >r
                    666:   \ calculate offset in region
                    667:   r@ >rstart @ -
                    668:   \ add regions real address in our memory
                    669:   r> >rmem @ + ;
                    670: 
1.1       anton     671: \ Bit string manipulation                               06oct92py
                    672: \                                                       9may93jaw
                    673: CREATE Bittable 80 c, 40 c, 20 c, 10 c, 8 c, 4 c, 2 c, 1 c,
                    674: : bits ( n -- n ) chars Bittable + c@ ;
                    675: 
                    676: : >bit ( addr n -- c-addr mask ) 8 /mod rot + swap bits ;
                    677: : +bit ( addr n -- )  >bit over c@ or swap c! ;
1.4       pazsan    678: : -bit ( addr n -- )  >bit invert over c@ and swap c! ;
1.67      jwilke    679: 
                    680: : (relon) ( taddr -- )  bit$ @ swap cell/ +bit ;
                    681: : (reloff) ( taddr -- ) bit$ @ swap cell/ -bit ;
                    682: 
                    683: : (>image) ( taddr -- absaddr ) image @ + ;
                    684: 
                    685: DEFER >image
                    686: DEFER relon
                    687: DEFER reloff
                    688: DEFER correcter
                    689: 
                    690: T has? relocate H
                    691: [IF]
                    692: ' (relon) IS relon
                    693: ' (reloff) IS reloff
                    694: ' (>image) IS >image
                    695: [ELSE]
                    696: ' drop IS relon
                    697: ' drop IS reloff
1.68      jwilke    698: ' (>regionimage) IS >image
1.67      jwilke    699: [THEN]
1.1       anton     700: 
                    701: \ Target memory access                                 06oct92py
                    702: 
                    703: : align+  ( taddr -- rest )
1.48      anton     704:     tcell tuck 1- and - [ tcell 1- ] Literal and ;
1.22      anton     705: : cfalign+  ( taddr -- rest )
1.39      pazsan    706:     \ see kernel.fs:cfaligned
1.43      pazsan    707:     /maxalign tuck 1- and - [ /maxalign 1- ] Literal and ;
1.1       anton     708: 
                    709: >TARGET
                    710: : aligned ( taddr -- ta-addr )  dup align+ + ;
                    711: \ assumes cell alignment granularity (as GNU C)
                    712: 
1.22      anton     713: : cfaligned ( taddr1 -- taddr2 )
1.39      pazsan    714:     \ see kernel.fs
1.22      anton     715:     dup cfalign+ + ;
                    716: 
1.52      jwilke    717: : @  ( taddr -- w )     >image S@ ;
                    718: : !  ( w taddr -- )     >image S! ;
1.57      pazsan    719: : c@ ( taddr -- char )  >image Sc@ ;
                    720: : c! ( char taddr -- )  >image Sc! ;
1.7       anton     721: : 2@ ( taddr -- x1 x2 ) T dup cell+ @ swap @ H ;
                    722: : 2! ( x1 x2 taddr -- ) T swap over ! cell+ ! H ;
1.1       anton     723: 
                    724: \ Target compilation primitives                        06oct92py
                    725: \ included A!                                          16may93jaw
                    726: 
                    727: : here  ( -- there )    there ;
                    728: : allot ( n -- )        tdp +! ;
1.52      jwilke    729: : ,     ( w -- )        T here H tcell T allot  ! H T here drop H ;
1.57      pazsan    730: : c,    ( char -- )     T here    tchar allot c! H ;
1.67      jwilke    731: : align ( -- )          T here H align+ 0 ?DO  bl T c, tchar H +LOOP ;
1.22      anton     732: : cfalign ( -- )
1.59      pazsan    733:     T here H cfalign+ 0 ?DO  bl T c, tchar H +LOOP ;
1.1       anton     734: 
1.71      jwilke    735: : >address             dup 0>= IF tbyte / THEN ; \ ?? jaw 
1.59      pazsan    736: : A!                    swap >address swap dup relon T ! H ;
                    737: : A,    ( w -- )        >address T here H relon T , H ;
1.1       anton     738: 
                    739: >CROSS
                    740: 
1.52      jwilke    741: : tcmove ( source dest len -- )
                    742: \G cmove in target memory
1.57      pazsan    743:   tchar * bounds
1.52      jwilke    744:   ?DO  dup T c@ H I T c! H 1+
1.57      pazsan    745:   tchar +LOOP  drop ;
1.1       anton     746: 
1.67      jwilke    747: \ \ Load Assembler
                    748: 
1.1       anton     749: >TARGET
1.52      jwilke    750: H also Forth definitions \ ." asm: " order
1.1       anton     751: 
1.52      jwilke    752: : X    also target bl word find
                    753:        IF      state @ IF compile,
                    754:                ELSE execute THEN
                    755:        ELSE    previous ABORT" Cross: access method not supported!"
                    756:        THEN 
                    757:        previous ; immediate
1.1       anton     758: 
1.52      jwilke    759: [IFDEF] asm-include asm-include [THEN] hex
1.1       anton     760: 
1.52      jwilke    761: previous
                    762: >CROSS H
1.1       anton     763: 
1.52      jwilke    764: \ \ --------------------        Compiler Plug Ins               01aug97jaw
1.1       anton     765: 
1.54      pazsan    766: \  Compiler States
                    767: 
                    768: Variable comp-state
                    769: 0 Constant interpreting
                    770: 1 Constant compiling
                    771: 2 Constant resolving
                    772: 3 Constant assembling
                    773: 
1.52      jwilke    774: Defer lit, ( n -- )
                    775: Defer alit, ( n -- )
1.54      pazsan    776: 
                    777: Defer branch, ( target-addr -- )       \ compiles a branch
                    778: Defer ?branch, ( target-addr -- )      \ compiles a ?branch
                    779: Defer branchmark, ( -- branch-addr )   \ reserves room for a branch
                    780: Defer ?branchmark, ( -- branch-addr )  \ reserves room for a ?branch
                    781: Defer ?domark, ( -- branch-addr )      \ reserves room for a ?do branch
                    782: Defer branchto, ( -- )                 \ actual program position is target of a branch (do e.g. alignment)
                    783: Defer branchtoresolve, ( branch-addr -- ) \ resolves a forward reference from branchmark
                    784: Defer branchfrom, ( -- )               \ ?!
                    785: Defer branchtomark, ( -- target-addr ) \ marks a branch destination
                    786: 
1.52      jwilke    787: Defer colon, ( tcfa -- )               \ compiles call to tcfa at current position
1.54      pazsan    788: Defer colonmark, ( -- addr )           \ marks a colon call
1.52      jwilke    789: Defer colon-resolve ( tcfa addr -- )
1.54      pazsan    790: 
1.52      jwilke    791: Defer addr-resolve ( target-addr addr -- )
1.54      pazsan    792: Defer doer-resolve ( ghost res-pnt target-addr addr -- ghost res-pnt )
                    793: 
                    794: Defer do,      ( -- do-token )
                    795: Defer ?do,     ( -- ?do-token )
                    796: Defer for,     ( -- for-token )
                    797: Defer loop,    ( do-token / ?do-token -- )
                    798: Defer +loop,   ( do-token / ?do-token -- )
                    799: Defer next,    ( for-token )
1.1       anton     800: 
1.52      jwilke    801: [IFUNDEF] ca>native
                    802: defer ca>native        
                    803: [THEN]
1.1       anton     804: 
1.52      jwilke    805: >TARGET
                    806: DEFER >body             \ we need the system >body
                    807:                        \ and the target >body
                    808: >CROSS
                    809: T 2 cells H VALUE xt>body
1.54      pazsan    810: DEFER doprim,  \ compiles start of a primitive
                    811: DEFER docol,           \ compiles start of a colon definition
1.52      jwilke    812: DEFER doer,            
                    813: DEFER fini,      \ compiles end of definition ;s
                    814: DEFER doeshandler,
                    815: DEFER dodoes,
                    816: 
                    817: DEFER ]comp     \ starts compilation
                    818: DEFER comp[     \ ends compilation
                    819: 
1.54      pazsan    820: : (cc) T a, H ;                                        ' (cc) IS colon,
                    821: 
                    822: : (cr) >tempdp ]comp colon, comp[ tempdp> ;    ' (cr) IS colon-resolve
                    823: : (ar) T ! H ;                                 ' (ar) IS addr-resolve
                    824: : (dr)  ( ghost res-pnt target-addr addr )
                    825:        >tempdp drop over 
                    826:        dup >magic @ <do:> =
                    827:        IF      doer,
                    828:        ELSE    dodoes,
                    829:        THEN 
                    830:        tempdp> ;                               ' (dr) IS doer-resolve
                    831: 
                    832: : (cm) ( -- addr )
                    833:     T here align H
                    834:     -1 colon, ;                                        ' (cm) IS colonmark,
1.1       anton     835: 
1.52      jwilke    836: >TARGET
                    837: : compile, colon, ;
                    838: >CROSS
1.1       anton     839: 
1.53      jwilke    840: \ file loading
                    841: 
1.54      pazsan    842: : >fl-id   1 cells + ;
                    843: : >fl-name 2 cells + ;
                    844: 
1.53      jwilke    845: Variable filelist 0 filelist !
1.67      jwilke    846: Create NoFile ," #load-file#"
1.54      pazsan    847: 0 Value         filemem
1.67      jwilke    848: : loadfile  FileMem ?dup IF >fl-name ELSE NoFile THEN ;
1.53      jwilke    849: 
1.54      pazsan    850: 1 [IF] \ !! JAW WIP
1.1       anton     851: 
1.53      jwilke    852: : add-included-file ( adr len -- )
1.54      pazsan    853:        dup char+ >fl-name allocate throw >r
                    854:        r@ >fl-name place
1.53      jwilke    855:        filelist @ r@ !
1.54      pazsan    856:        r> dup filelist ! to FileMem
                    857:        ;
1.53      jwilke    858: 
                    859: : included? ( c-addr u -- f )
                    860:        filelist
                    861:        BEGIN   @ dup
                    862:        WHILE   >r r@ 1 cells + count compare 0=
                    863:                IF rdrop 2drop true EXIT THEN
                    864:                r>
                    865:        REPEAT
                    866:        2drop drop false ;      
                    867: 
                    868: : included 
1.54      pazsan    869: \      cr ." Including: " 2dup type ." ..."
                    870:        FileMem >r
                    871:        2dup add-included-file included 
                    872:        r> to FileMem ;
1.53      jwilke    873: 
                    874: : include bl word count included ;
                    875: 
                    876: : require bl word count included ;
                    877: 
                    878: [THEN]
1.1       anton     879: 
1.52      jwilke    880: \ resolve structure
1.1       anton     881: 
1.52      jwilke    882: : >next ;              \ link to next field
1.54      pazsan    883: : >tag cell+ ;         \ indecates type of reference: 0: call, 1: address, 2: doer
1.53      jwilke    884: : >taddr cell+ cell+ ; 
1.52      jwilke    885: : >ghost 3 cells + ;
1.53      jwilke    886: : >file 4 cells + ;
                    887: : >line 5 cells + ;
1.48      anton     888: 
1.54      pazsan    889: : (refered) ( ghost addr tag -- )
                    890: \G creates a reference to ghost at address taddr
                    891:     rot >r here r@ >link @ , r> >link ! 
                    892:     ( taddr tag ) ,
                    893:     ( taddr ) , 
                    894:     last-header-ghost @ , 
                    895:     loadfile , 
                    896:     sourceline# , 
                    897:   ;
                    898: 
1.52      jwilke    899: : refered ( ghost tag -- )
1.53      jwilke    900: \G creates a resolve structure
1.54      pazsan    901:     T here aligned H swap (refered)
                    902:   ;
                    903: 
                    904: : killref ( addr ghost -- )
                    905: \G kills a forward reference to ghost at position addr
                    906: \G this is used to eleminate a :dovar refence after making a DOES>
                    907:     dup >magic @ <fwd> <> IF 2drop EXIT THEN
                    908:     swap >r >link
                    909:     BEGIN dup @ dup  ( addr last this )
                    910:     WHILE dup >taddr @ r@ =
                    911:         IF   @ over !
                    912:         ELSE nip THEN
                    913:     REPEAT rdrop 2drop 
1.53      jwilke    914:   ;
1.48      anton     915: 
1.52      jwilke    916: Defer resolve-warning
1.1       anton     917: 
1.52      jwilke    918: : reswarn-test ( ghost res-struct -- ghost res-struct )
                    919:   over cr ." Resolving " >ghostname type dup ."  in " >ghost @ >ghostname type ;
1.1       anton     920: 
1.52      jwilke    921: : reswarn-forward ( ghost res-struct -- ghost res-struct )
                    922:   over warnhead >ghostname type dup ."  is referenced in " 
                    923:   >ghost @ >ghostname type ;
1.1       anton     924: 
1.52      jwilke    925: \ ' reswarn-test IS resolve-warning
                    926:  
1.1       anton     927: \ resolve                                              14oct92py
                    928: 
1.54      pazsan    929:  : resolve-loop ( ghost resolve-list tcfa -- )
                    930:     >r
                    931:     BEGIN dup WHILE 
                    932: \        dup >tag @ 2 = IF reswarn-forward THEN
                    933:          resolve-warning 
                    934:          r@ over >taddr @ 
                    935:          2 pick >tag @
                    936:          CASE  0 OF colon-resolve ENDOF
                    937:                1 OF addr-resolve ENDOF
                    938:                2 OF doer-resolve ENDOF
                    939:          ENDCASE
                    940:          @ \ next list element
                    941:     REPEAT 2drop rdrop 
                    942:   ;
1.52      jwilke    943: 
                    944: \ : resolve-loop ( ghost tcfa -- ghost tcfa )
                    945: \  >r dup >link @
                    946: \  BEGIN  dup  WHILE  dup T @ H r@ rot T ! H REPEAT  drop r> ;
1.1       anton     947: 
                    948: \ exists                                                9may93jaw
                    949: 
1.52      jwilke    950: Variable TWarnings
                    951: TWarnings on
                    952: Variable Exists-Warnings
                    953: Exists-Warnings on
                    954: 
1.1       anton     955: : exists ( ghost tcfa -- )
                    956:   over GhostNames
                    957:   BEGIN @ dup
                    958:   WHILE 2dup cell+ @ =
                    959:   UNTIL
1.52      jwilke    960:         2 cells + count
                    961:         TWarnings @ Exists-Warnings @ and
                    962:         IF warnhead type ."  exists"
                    963:         ELSE 2drop THEN
                    964:         drop swap >link !
1.24      pazsan    965:   ELSE  true abort" CROSS: Ghostnames inconsistent "
1.1       anton     966:   THEN ;
                    967: 
                    968: : resolve  ( ghost tcfa -- )
1.54      pazsan    969: \G resolve referencies to ghost with tcfa
                    970:     \ is ghost resolved?, second resolve means another definition with the
                    971:     \ same name
                    972:     over forward? 0= IF  exists EXIT THEN
                    973:     \ get linked-list
                    974:     swap >r r@ >link @ swap \ ( list tcfa R: ghost )
                    975:     \ mark ghost as resolved
                    976:     dup r@ >link ! <res> r@ >magic !
                    977:     \ loop through forward referencies
                    978:     r> -rot 
                    979:     comp-state @ >r Resolving comp-state !
                    980:     resolve-loop 
                    981:     r> comp-state !
                    982: 
                    983:     ['] noop IS resolve-warning 
1.52      jwilke    984:   ;
1.1       anton     985: 
                    986: \ gexecute ghost,                                      01nov92py
                    987: 
1.52      jwilke    988: : is-forward   ( ghost -- )
1.54      pazsan    989:   colonmark, 0 (refered) ; \ compile space for call
1.52      jwilke    990: 
                    991: : is-resolved   ( ghost -- )
                    992:   >link @ colon, ; \ compile-call
                    993: 
                    994: : gexecute   ( ghost -- )
                    995:   dup @ <fwd> = IF  is-forward  ELSE  is-resolved  THEN ;
                    996: 
                    997: : addr,  ( ghost -- )
                    998:   dup @ <fwd> = IF  1 refered 0 T a, H ELSE >link @ T a, H THEN ;
                    999: 
                   1000: \ !! : ghost,     ghost  gexecute ;
1.1       anton    1001: 
                   1002: \ .unresolved                                          11may93jaw
                   1003: 
                   1004: variable ResolveFlag
                   1005: 
                   1006: \ ?touched                                             11may93jaw
                   1007: 
1.52      jwilke   1008: : ?touched ( ghost -- flag ) dup forward? swap >link @
1.1       anton    1009:                                0 <> and ;
                   1010: 
1.53      jwilke   1011: : .forwarddefs ( ghost -- )
                   1012:        ."  appeared in:"
                   1013:        >link
                   1014:        BEGIN   @ dup
                   1015:        WHILE   cr 5 spaces
                   1016:                dup >ghost @ >ghostname type
                   1017:                ."  file " dup >file @ ?dup IF count type ELSE ." CON" THEN
                   1018:                ."  line " dup >line @ .dec
                   1019:        REPEAT 
                   1020:        drop ;
                   1021: 
1.1       anton    1022: : ?resolved  ( ghostname -- )
                   1023:   dup cell+ @ ?touched
1.53      jwilke   1024:   IF   dup 
                   1025:        cell+ cell+ count cr type ResolveFlag on 
                   1026:        cell+ @ .forwarddefs
                   1027:   ELSE         drop 
                   1028:   THEN ;
1.1       anton    1029: 
                   1030: >MINIMAL
                   1031: : .unresolved  ( -- )
                   1032:   ResolveFlag off cr ." Unresolved: "
                   1033:   Ghostnames
                   1034:   BEGIN @ dup
                   1035:   WHILE dup ?resolved
1.10      anton    1036:   REPEAT drop ResolveFlag @
                   1037:   IF
1.48      anton    1038:       -1 abort" Unresolved words!"
1.10      anton    1039:   ELSE
                   1040:       ." Nothing!"
                   1041:   THEN
                   1042:   cr ;
1.1       anton    1043: 
1.52      jwilke   1044: : .stats
                   1045:   base @ >r decimal
                   1046:   cr ." named Headers: " headers-named @ . 
                   1047:   r> base ! ;
                   1048: 
1.1       anton    1049: >CROSS
                   1050: \ Header states                                        12dec92py
                   1051: 
                   1052: : flag! ( 8b -- )   tlast @ dup >r T c@ xor r> c! H ;
                   1053: 
                   1054: VARIABLE ^imm
                   1055: 
                   1056: >TARGET
1.36      anton    1057: : immediate     40 flag!
1.18      pazsan   1058:                 ^imm @ @ dup <imm> = IF  drop  EXIT  THEN
1.1       anton    1059:                 <res> <> ABORT" CROSS: Cannot immediate a unresolved word"
                   1060:                 <imm> ^imm @ ! ;
1.36      anton    1061: : restrict      20 flag! ;
1.52      jwilke   1062: 
1.54      pazsan   1063: : isdoer       
                   1064: \G define a forth word as doer, this makes obviously only sence on
                   1065: \G forth processors such as the PSC1000
                   1066:                <do:> last-header-ghost @ >magic ! ;
1.1       anton    1067: >CROSS
                   1068: 
                   1069: \ ALIAS2 ansforth conform alias                          9may93jaw
                   1070: 
                   1071: : ALIAS2 create here 0 , DOES> @ execute ;
                   1072: \ usage:
1.18      pazsan   1073: \ ' <name> alias2 bla !
1.1       anton    1074: 
                   1075: \ Target Header Creation                               01nov92py
                   1076: 
1.52      jwilke   1077: >TARGET
1.1       anton    1078: : string,  ( addr count -- )
1.28      pazsan   1079:   dup T c, H bounds  ?DO  I c@ T c, H  LOOP ; 
1.52      jwilke   1080: : name,  ( "name" -- )  bl word count T string, cfalign H ;
1.1       anton    1081: : view,   ( -- ) ( dummy ) ;
1.52      jwilke   1082: >CROSS
1.1       anton    1083: 
1.25      pazsan   1084: \ Target Document Creation (goes to crossdoc.fd)       05jul95py
                   1085: 
1.55      pazsan   1086: s" ./doc/crossdoc.fd" r/w create-file throw value doc-file-id
1.25      pazsan   1087: \ contains the file-id of the documentation file
                   1088: 
1.40      pazsan   1089: : T-\G ( -- )
1.25      pazsan   1090:     source >in @ /string doc-file-id write-line throw
1.40      pazsan   1091:     postpone \ ;
1.25      pazsan   1092: 
1.39      pazsan   1093: Variable to-doc  to-doc on
1.25      pazsan   1094: 
                   1095: : cross-doc-entry  ( -- )
                   1096:     to-doc @ tlast @ 0<> and   \ not an anonymous (i.e. noname) header
                   1097:     IF
                   1098:        s" " doc-file-id write-line throw
                   1099:        s" make-doc " doc-file-id write-file throw
                   1100:        tlast @ >image count $1F and doc-file-id write-file throw
                   1101:        >in @
                   1102:        [char] ( parse 2drop
                   1103:        [char] ) parse doc-file-id write-file throw
                   1104:        s"  )" doc-file-id write-file throw
                   1105:        [char] \ parse 2drop                                    
1.40      pazsan   1106:        T-\G
1.25      pazsan   1107:        >in !
1.39      pazsan   1108:     THEN ;
1.25      pazsan   1109: 
1.28      pazsan   1110: \ Target TAGS creation
                   1111: 
1.39      pazsan   1112: s" kernel.TAGS" r/w create-file throw value tag-file-id
1.28      pazsan   1113: \ contains the file-id of the tags file
                   1114: 
                   1115: Create tag-beg 2 c,  7F c, bl c,
                   1116: Create tag-end 2 c,  bl c, 01 c,
                   1117: Create tag-bof 1 c,  0C c,
                   1118: 
                   1119: 2variable last-loadfilename 0 0 last-loadfilename 2!
                   1120:            
                   1121: : put-load-file-name ( -- )
                   1122:     loadfilename 2@ last-loadfilename 2@ d<>
                   1123:     IF
                   1124:        tag-bof count tag-file-id write-line throw
1.31      anton    1125:        sourcefilename 2dup
1.28      pazsan   1126:        tag-file-id write-file throw
                   1127:        last-loadfilename 2!
                   1128:        s" ,0" tag-file-id write-line throw
                   1129:     THEN ;
                   1130: 
                   1131: : cross-tag-entry  ( -- )
                   1132:     tlast @ 0<>        \ not an anonymous (i.e. noname) header
                   1133:     IF
                   1134:        put-load-file-name
                   1135:        source >in @ min tag-file-id write-file throw
                   1136:        tag-beg count tag-file-id write-file throw
                   1137:        tlast @ >image count $1F and tag-file-id write-file throw
                   1138:        tag-end count tag-file-id write-file throw
1.31      anton    1139:        base @ decimal sourceline# 0 <# #s #> tag-file-id write-file throw
1.28      pazsan   1140: \      >in @ 0 <# #s [char] , hold #> tag-file-id write-line throw
                   1141:        s" ,0" tag-file-id write-line throw
                   1142:        base !
                   1143:     THEN ;
                   1144: 
1.43      pazsan   1145: \ Check for words
                   1146: 
                   1147: Defer skip? ' false IS skip?
                   1148: 
                   1149: : defined? ( -- flag ) \ name
1.52      jwilke   1150:     ghost forward? 0= ;
1.43      pazsan   1151: 
                   1152: : needed? ( -- flag ) \ name
1.48      anton    1153: \G returns a false flag when
                   1154: \G a word is not defined
                   1155: \G a forward reference exists
                   1156: \G so the definition is not skipped!
                   1157:     bl word gfind
1.52      jwilke   1158:     IF dup forward?
1.48      anton    1159:        nip
                   1160:        0=
                   1161:     ELSE  drop true  THEN ;
1.43      pazsan   1162: 
1.44      pazsan   1163: : doer? ( -- flag ) \ name
                   1164:     ghost >magic @ <do:> = ;
                   1165: 
1.43      pazsan   1166: : skip-defs ( -- )
                   1167:     BEGIN  refill  WHILE  source -trailing nip 0= UNTIL  THEN ;
                   1168: 
1.28      pazsan   1169: \ Target header creation
                   1170: 
1.54      pazsan   1171: Variable CreateFlag
                   1172: CreateFlag off
1.52      jwilke   1173: 
1.54      pazsan   1174: Variable NoHeaderFlag
                   1175: NoHeaderFlag off
1.1       anton    1176: 
1.54      pazsan   1177: : 0.r ( n1 n2 -- ) 
                   1178:     base @ >r hex 
                   1179:     0 swap <# 0 ?DO # LOOP #> type 
                   1180:     r> base ! ;
1.52      jwilke   1181: : .sym
                   1182:   bounds 
                   1183:   DO I c@ dup
                   1184:        CASE    '/ OF drop ." \/" ENDOF
                   1185:                '\ OF drop ." \\" ENDOF
                   1186:                dup OF emit ENDOF
                   1187:        ENDCASE
1.54      pazsan   1188:     LOOP ;
1.52      jwilke   1189: 
1.43      pazsan   1190: : (Theader ( "name" -- ghost )
1.54      pazsan   1191:     \  >in @ bl word count type 2 spaces >in !
                   1192:     \ wordheaders will always be compiled to rom
                   1193:     switchrom
                   1194:     \ build header in target
                   1195:     NoHeaderFlag @
                   1196:     IF  NoHeaderFlag off
                   1197:     ELSE
                   1198:        T align H view,
1.59      pazsan   1199:        tlast @ dup 0> IF  T 1 cells - H THEN T A, H  there tlast !
1.54      pazsan   1200:        1 headers-named +!      \ Statistic
                   1201:        >in @ T name, H >in !
                   1202:     THEN
                   1203:     T cfalign here H tlastcfa !
                   1204:     \ Symbol table
                   1205: \    >in @ cr ." sym:s/CFA=" there 4 0.r ." /"  bl word count .sym ." /g" cr >in !
                   1206:     CreateFlag @
                   1207:     IF
                   1208:        >in @ alias2 swap >in !         \ create alias in target
                   1209:        >in @ ghost swap >in !
                   1210:        swap also ghosts ' previous swap !     \ tick ghost and store in alias
                   1211:        CreateFlag off
                   1212:     ELSE ghost
                   1213:     THEN
                   1214:     dup Last-Header-Ghost !
                   1215:     dup >magic ^imm !     \ a pointer for immediate
                   1216:     Already @
                   1217:     IF  dup >end tdoes !
                   1218:     ELSE 0 tdoes !
                   1219:     THEN
                   1220:     80 flag!
                   1221:     cross-doc-entry cross-tag-entry ;
1.1       anton    1222: 
                   1223: VARIABLE ;Resolve 1 cells allot
1.52      jwilke   1224: \ this is the resolver information from ":"
                   1225: \ resolving is done by ";"
1.1       anton    1226: 
1.11      pazsan   1227: : Theader  ( "name" -- ghost )
                   1228:   (THeader dup there resolve 0 ;Resolve ! ;
1.1       anton    1229: 
                   1230: >TARGET
                   1231: : Alias    ( cfa -- ) \ name
1.43      pazsan   1232:     >in @ skip? IF  2drop  EXIT  THEN  >in !
1.53      jwilke   1233:     dup 0< s" prims" T $has? H 0= and
1.43      pazsan   1234:     IF
1.53      jwilke   1235:        .sourcepos ." needs prim: " >in @ bl word count type >in ! cr
1.43      pazsan   1236:     THEN
                   1237:     (THeader over resolve T A, H 80 flag! ;
1.42      pazsan   1238: : Alias:   ( cfa -- ) \ name
1.43      pazsan   1239:     >in @ skip? IF  2drop  EXIT  THEN  >in !
1.53      jwilke   1240:     dup 0< s" prims" T $has? H 0= and
1.43      pazsan   1241:     IF
1.53      jwilke   1242:        .sourcepos ." needs doer: " >in @ bl word count type >in ! cr
1.43      pazsan   1243:     THEN
                   1244:     ghost tuck swap resolve <do:> swap >magic ! ;
1.64      pazsan   1245: 
                   1246: Variable prim#
                   1247: : first-primitive ( n -- )  prim# ! ;
                   1248: : Primitive  ( -- ) \ name
                   1249:     prim# @ T Alias H  -1 prim# +! ;
1.1       anton    1250: >CROSS
                   1251: 
                   1252: \ Conditionals and Comments                            11may93jaw
                   1253: 
                   1254: : ;Cond
                   1255:   postpone ;
                   1256:   swap ! ;  immediate
                   1257: 
                   1258: : Cond: ( -- ) \ name {code } ;
                   1259:   atonce on
                   1260:   ghost
                   1261:   >exec
                   1262:   :NONAME ;
                   1263: 
                   1264: : restrict? ( -- )
                   1265: \ aborts on interprete state - ae
                   1266:   state @ 0= ABORT" CROSS: Restricted" ;
                   1267: 
                   1268: : Comment ( -- )
                   1269:   >in @ atonce on ghost swap >in ! ' swap >exec ! ;
                   1270: 
                   1271: Comment (       Comment \
                   1272: 
                   1273: \ compile                                              10may93jaw
                   1274: 
                   1275: : compile  ( -- ) \ name
                   1276:   restrict?
1.13      pazsan   1277:   bl word gfind dup 0= ABORT" CROSS: Can't compile "
1.1       anton    1278:   0> ( immediate? )
                   1279:   IF    >exec @ compile,
                   1280:   ELSE  postpone literal postpone gexecute  THEN ;
                   1281:                                         immediate
                   1282: 
1.52      jwilke   1283: : [G'] 
                   1284: \G ticks a ghost and returns its address
                   1285:   bl word gfind 0= ABORT" CROSS: Ghost don't exists"
                   1286:   state @
                   1287:   IF   postpone literal
                   1288:   THEN ; immediate
                   1289: 
                   1290: : ghost>cfa
                   1291:   dup forward? ABORT" CROSS: forward " >link @ ;
                   1292:                
                   1293: >TARGET
                   1294: 
                   1295: : '  ( -- cfa ) 
                   1296: \ returns the target-cfa of a ghost
                   1297:   bl word gfind 0= ABORT" CROSS: Ghost don't exists"
                   1298:   ghost>cfa ;
                   1299: 
                   1300: Cond: [']  T ' H alit, ;Cond
                   1301: 
                   1302: >CROSS
                   1303: 
                   1304: : [T']
                   1305: \ returns the target-cfa of a ghost, or compiles it as literal
                   1306:   postpone [G'] state @ IF postpone ghost>cfa ELSE ghost>cfa THEN ; immediate
1.42      pazsan   1307: 
1.52      jwilke   1308: \ \ threading modell                                   13dec92py
                   1309: \ modularized                                          14jun97jaw
                   1310: 
                   1311: : fillcfa   ( usedcells -- )
1.59      pazsan   1312:   T cells H xt>body swap - 0 ?DO 0 T c, tchar H +LOOP ;
1.52      jwilke   1313: 
                   1314: : (>body)   ( cfa -- pfa ) xt>body + ;         ' (>body) T IS >body H
                   1315: 
                   1316: : (doer,)   ( ghost -- ) ]comp gexecute comp[ 1 fillcfa ;   ' (doer,) IS doer,
                   1317: 
                   1318: : (docol,)  ( -- ) [G'] :docol doer, ;         ' (docol,) IS docol,
                   1319: 
                   1320: : (doprim,) ( -- )
                   1321:   there xt>body + ca>native T a, H 1 fillcfa ; ' (doprim,) IS doprim,
                   1322: 
                   1323: : (doeshandler,) ( -- ) 
                   1324:   T cfalign H compile :doesjump T 0 , H ;      ' (doeshandler,) IS doeshandler,
                   1325: 
                   1326: : (dodoes,) ( does-action-ghost -- )
                   1327:   ]comp [G'] :dodoes gexecute comp[
                   1328:   addr,
                   1329:   T here H tcell - reloff 2 fillcfa ;          ' (dodoes,) IS dodoes,
                   1330: 
                   1331: : (lit,) ( n -- )   compile lit T  ,  H ;      ' (lit,) IS lit,
                   1332: 
1.67      jwilke   1333: \ if we dont produce relocatable code alit, defaults to lit, jaw
                   1334: has? relocate
                   1335: [IF]
1.66      pazsan   1336: : (alit,) ( n -- )  compile lit T  a, H ;      ' (alit,) IS alit,
1.67      jwilke   1337: [ELSE]
                   1338: : (alit,) ( n -- )  lit, ;                     ' (alit,) IS alit,
                   1339: [THEN]
1.52      jwilke   1340: 
                   1341: : (fini,)         compile ;s ;                ' (fini,) IS fini,
1.42      pazsan   1342: 
1.43      pazsan   1343: [IFUNDEF] (code) 
                   1344: Defer (code)
                   1345: Defer (end-code)
                   1346: [THEN]
                   1347: 
1.1       anton    1348: >TARGET
1.43      pazsan   1349: : Code
1.52      jwilke   1350:   defempty?
1.48      anton    1351:   (THeader there resolve
1.53      jwilke   1352:   [ T e? prims H 0= [IF] T e? ITC H [ELSE] true [THEN] ] [IF]
1.52      jwilke   1353:   doprim, 
1.48      anton    1354:   [THEN]
                   1355:   depth (code) ;
1.43      pazsan   1356: 
                   1357: : Code:
1.52      jwilke   1358:   defempty?
1.48      anton    1359:     ghost dup there ca>native resolve  <do:> swap >magic !
1.43      pazsan   1360:     depth (code) ;
                   1361: 
                   1362: : end-code
1.52      jwilke   1363:     (end-code)
1.43      pazsan   1364:     depth ?dup IF   1- <> ABORT" CROSS: Stack changed"
                   1365:     ELSE true ABORT" CROSS: Stack empty" THEN
1.52      jwilke   1366:     ;
1.14      anton    1367: 
1.57      pazsan   1368: ( Cond ) : chars tchar * ; ( Cond )
1.1       anton    1369: 
                   1370: >CROSS
1.52      jwilke   1371: 
1.1       anton    1372: \ tLiteral                                             12dec92py
                   1373: 
                   1374: >TARGET
1.40      pazsan   1375: Cond: \G  T-\G ;Cond
                   1376: 
1.1       anton    1377: Cond:  Literal ( n -- )   restrict? lit, ;Cond
                   1378: Cond: ALiteral ( n -- )   restrict? alit, ;Cond
                   1379: 
                   1380: : Char ( "<char>" -- )  bl word char+ c@ ;
                   1381: Cond: [Char]   ( "<char>" -- )  restrict? Char  lit, ;Cond
                   1382: 
1.43      pazsan   1383: \ some special literals                                        27jan97jaw
                   1384: 
1.52      jwilke   1385: \ !! Known Bug: Special Literals and plug-ins work only correct
                   1386: \ on 16 and 32 Bit Targets and 32 Bit Hosts!
                   1387: 
1.43      pazsan   1388: Cond: MAXU
1.52      jwilke   1389:   restrict? 
                   1390:   tcell 1 cells u> 
                   1391:   IF   compile lit tcell 0 ?DO FF T c, H LOOP 
                   1392:   ELSE $ffffffff lit, THEN
                   1393:   ;Cond
1.43      pazsan   1394: 
                   1395: Cond: MINI
1.52      jwilke   1396:   restrict?
                   1397:   tcell 1 cells u>
                   1398:   IF   compile lit bigendian 
                   1399:        IF      80 T c, H tcell 1 ?DO 0 T c, H LOOP 
                   1400:        ELSE    tcell 1 ?DO 0 T c, H LOOP 80 T c, H
                   1401:        THEN
                   1402:   ELSE tcell 2 = IF $8000 ELSE $80000000 THEN lit, THEN
                   1403:   ;Cond
1.43      pazsan   1404:  
                   1405: Cond: MAXI
1.52      jwilke   1406:  restrict?
                   1407:  tcell 1 cells u>
                   1408:  IF    compile lit bigendian 
                   1409:        IF      7F T c, H tcell 1 ?DO FF T c, H LOOP
                   1410:        ELSE    tcell 1 ?DO FF T c, H LOOP 7F T c, H
                   1411:        THEN
                   1412:  ELSE  tcell 2 = IF $7fff ELSE $7fffffff THEN lit, THEN
1.43      pazsan   1413:  ;Cond
                   1414: 
1.1       anton    1415: >CROSS
                   1416: \ Target compiling loop                                12dec92py
                   1417: \ ">tib trick thrown out                               10may93jaw
                   1418: \ number? defined at the top                           11may93jaw
                   1419: 
                   1420: \ compiled word might leave items on stack!
                   1421: : tcom ( in name -- )
                   1422:   gfind  ?dup  IF    0> IF    nip >exec @ execute
                   1423:                         ELSE  nip gexecute  THEN EXIT THEN
                   1424:   number? dup  IF    0> IF swap lit,  THEN  lit,  drop
                   1425:                ELSE  2drop >in !
                   1426:                ghost gexecute THEN  ;
                   1427: 
                   1428: >TARGET
                   1429: \ : ; DOES>                                            13dec92py
                   1430: \ ]                                                     9may93py/jaw
                   1431: 
                   1432: : ] state on
1.54      pazsan   1433:     Compiling comp-state !
1.1       anton    1434:     BEGIN
1.13      pazsan   1435:         BEGIN >in @ bl word
1.1       anton    1436:               dup c@ 0= WHILE 2drop refill 0=
                   1437:               ABORT" CROSS: End of file while target compiling"
                   1438:         REPEAT
                   1439:         tcom
                   1440:         state @
                   1441:         0=
                   1442:     UNTIL ;
                   1443: 
                   1444: \ by the way: defining a second interpreter (a compiler-)loop
                   1445: \             is not allowed if a system should be ans conform
                   1446: 
                   1447: : : ( -- colon-sys ) \ Name
1.52      jwilke   1448:   defempty?
                   1449:   constflag off \ don't let this flag work over colon defs
                   1450:                \ just to go sure nothing unwanted happens
1.43      pazsan   1451:   >in @ skip? IF  drop skip-defs  EXIT  THEN  >in !
1.1       anton    1452:   (THeader ;Resolve ! there ;Resolve cell+ !
1.52      jwilke   1453:   docol, ]comp depth T ] H ;
1.1       anton    1454: 
1.37      pazsan   1455: : :noname ( -- colon-sys )
1.52      jwilke   1456:   T cfalign H there docol, 0 ;Resolve ! depth T ] H ;
1.37      pazsan   1457: 
1.2       pazsan   1458: Cond: EXIT ( -- )  restrict?  compile ;S  ;Cond
1.6       anton    1459: 
                   1460: Cond: ?EXIT ( -- ) 1 abort" CROSS: using ?exit" ;Cond
1.2       pazsan   1461: 
1.52      jwilke   1462: >CROSS
                   1463: : LastXT ;Resolve @ 0= abort" CROSS: no definition for LastXT"
                   1464:          ;Resolve cell+ @ ;
                   1465: 
                   1466: >TARGET
                   1467: 
                   1468: Cond: recurse ( -- ) Last-Ghost @ gexecute ;Cond
                   1469: 
1.1       anton    1470: Cond: ; ( -- ) restrict?
                   1471:                depth ?dup IF   1- <> ABORT" CROSS: Stack changed"
                   1472:                           ELSE true ABORT" CROSS: Stack empty" THEN
1.52      jwilke   1473:                fini,
                   1474:                comp[
                   1475:                state off
1.1       anton    1476:                ;Resolve @
                   1477:                IF ;Resolve @ ;Resolve cell+ @ resolve THEN
1.54      pazsan   1478:                Interpreting comp-state !
1.1       anton    1479:                ;Cond
1.54      pazsan   1480: Cond: [  restrict? state off Interpreting comp-state ! ;Cond
1.1       anton    1481: 
                   1482: >CROSS
1.54      pazsan   1483: 
                   1484: Create GhostDummy ghostheader
                   1485: <res> GhostDummy >magic !
                   1486: 
1.52      jwilke   1487: : !does ( does-action -- )
                   1488: \ !! zusammenziehen und dodoes, machen!
1.54      pazsan   1489:     tlastcfa @ [G'] :dovar killref
                   1490: \    tlastcfa @ dup there >r tdp ! compile :dodoes r> tdp ! T cell+ ! H ;
1.52      jwilke   1491: \ !! geht so nicht, da dodoes, ghost will!
1.54      pazsan   1492:     GhostDummy >link ! GhostDummy 
                   1493:     tlastcfa @ >tempdp dodoes, tempdp> ;
1.1       anton    1494: 
                   1495: >TARGET
                   1496: Cond: DOES> restrict?
1.52      jwilke   1497:         compile (does>) doeshandler, 
                   1498:        \ resolve words made by builders
                   1499:        tdoes @ ?dup IF  @ T here H resolve THEN
1.1       anton    1500:         ;Cond
1.52      jwilke   1501: : DOES> switchrom doeshandler, T here H !does depth T ] H ;
1.1       anton    1502: 
                   1503: >CROSS
                   1504: \ Creation                                             01nov92py
                   1505: 
                   1506: \ Builder                                               11may93jaw
                   1507: 
1.52      jwilke   1508: : Builder    ( Create-xt do:-xt "name" -- )
                   1509: \ builds up a builder in current vocabulary
                   1510: \ create-xt is executed when word is interpreted
                   1511: \ do:-xt is executet when the created word from builder is executed
                   1512: \ for do:-xt an additional entry after the normal ghost-enrys is used
                   1513: 
1.1       anton    1514:   >in @ alias2 swap dup >in ! >r >r
1.54      pazsan   1515:   Make-Ghost 
                   1516:   rot swap >exec dup @ ['] NoExec <>
                   1517:   IF 2drop ELSE ! THEN
                   1518:   ,
1.1       anton    1519:   r> r> >in !
1.11      pazsan   1520:   also ghosts ' previous swap ! ;
                   1521: \  DOES>  dup >exec @ execute ;
1.1       anton    1522: 
1.52      jwilke   1523: : gdoes,  ( ghost -- )
                   1524: \ makes the codefield for a word that is built
                   1525:   >end @ dup forward? 0=
                   1526:   IF
1.42      pazsan   1527:        dup >magic @ <do:> =
1.54      pazsan   1528:        IF       doer, 
                   1529:        ELSE    dodoes,
                   1530:        THEN
                   1531:        EXIT
1.52      jwilke   1532:   THEN
                   1533: \  compile :dodoes gexecute
                   1534: \  T here H tcell - reloff 
1.54      pazsan   1535:   2 refered 
                   1536:   0 fillcfa
                   1537:   ;
1.1       anton    1538: 
1.52      jwilke   1539: : TCreate ( <name> -- )
                   1540:   executed-ghost @
1.1       anton    1541:   CreateFlag on
1.52      jwilke   1542:   create-forward-warn
                   1543:   IF ['] reswarn-forward IS resolve-warning THEN
1.11      pazsan   1544:   Theader >r dup gdoes,
1.52      jwilke   1545: \ stores execution symantic in the built word
                   1546:   >end @ >exec @ r> >exec ! ;
                   1547: 
                   1548: : RTCreate ( <name> -- )
                   1549: \ creates a new word with code-field in ram
                   1550:   executed-ghost @
                   1551:   CreateFlag on
                   1552:   create-forward-warn
                   1553:   IF ['] reswarn-forward IS resolve-warning THEN
                   1554:   \ make Alias
                   1555:   (THeader there 0 T a, H 80 flag! ( S executed-ghost new-ghost )
                   1556:   \ store  poiter to code-field
                   1557:   switchram T cfalign H
                   1558:   there swap T ! H
                   1559:   there tlastcfa ! 
                   1560:   dup there resolve 0 ;Resolve !
                   1561:   >r dup gdoes,
1.11      pazsan   1562:   >end @ >exec @ r> >exec ! ;
1.1       anton    1563: 
                   1564: : Build:  ( -- [xt] [colon-sys] )
1.52      jwilke   1565:   :noname postpone TCreate ;
                   1566: 
                   1567: : BuildSmart:  ( -- [xt] [colon-sys] )
                   1568:   :noname
1.53      jwilke   1569:   [ T has? rom H [IF] ]
1.52      jwilke   1570:   postpone RTCreate
                   1571:   [ [ELSE] ]
                   1572:   postpone TCreate 
                   1573:   [ [THEN] ] ;
1.1       anton    1574: 
                   1575: : gdoes>  ( ghost -- addr flag )
1.52      jwilke   1576:   executed-ghost @
1.1       anton    1577:   state @ IF  gexecute true EXIT  THEN
1.52      jwilke   1578:   >link @ T >body H false ;
1.1       anton    1579: 
                   1580: \ DO: ;DO                                               11may93jaw
                   1581: \ changed to ?EXIT                                      10may93jaw
                   1582: 
                   1583: : DO:     ( -- addr [xt] [colon-sys] )
                   1584:   here ghostheader
1.11      pazsan   1585:   :noname postpone gdoes> postpone ?EXIT ;
1.1       anton    1586: 
1.42      pazsan   1587: : by:     ( -- addr [xt] [colon-sys] ) \ name
                   1588:   ghost
                   1589:   :noname postpone gdoes> postpone ?EXIT ;
                   1590: 
1.52      jwilke   1591: : ;DO ( addr [xt] [colon-sys] -- addr )
1.1       anton    1592:   postpone ;    ( S addr xt )
                   1593:   over >exec ! ; immediate
                   1594: 
                   1595: : by      ( -- addr ) \ Name
                   1596:   ghost >end @ ;
                   1597: 
                   1598: >TARGET
                   1599: \ Variables and Constants                              05dec92py
                   1600: 
1.52      jwilke   1601: Build:  ( n -- ) ;
                   1602: by: :docon ( ghost -- n ) T @ H ;DO
                   1603: Builder (Constant)
                   1604: 
                   1605: Build:  ( n -- ) T , H ;
                   1606: by (Constant)
                   1607: Builder Constant
                   1608: 
                   1609: Build:  ( n -- ) T A, H ;
                   1610: by (Constant)
                   1611: Builder AConstant
                   1612: 
                   1613: Build:  ( d -- ) T , , H ;
                   1614: DO: ( ghost -- d ) T dup cell+ @ swap @ H ;DO
                   1615: Builder 2Constant
                   1616: 
                   1617: BuildSmart: ;
1.42      pazsan   1618: by: :dovar ( ghost -- addr ) ;DO
1.1       anton    1619: Builder Create
                   1620: 
1.53      jwilke   1621: T has? rom H [IF]
1.54      pazsan   1622: Build: ( -- ) T here 0 , H switchram T align here swap ! 0 , H ( switchrom ) ;
1.52      jwilke   1623: by (Constant)
                   1624: Builder Variable
                   1625: [ELSE]
1.1       anton    1626: Build: T 0 , H ;
                   1627: by Create
                   1628: Builder Variable
1.52      jwilke   1629: [THEN]
1.1       anton    1630: 
1.53      jwilke   1631: T has? rom H [IF]
1.54      pazsan   1632: Build: ( -- ) T here 0 , H switchram T align here swap ! 0 , 0 , H ( switchrom ) ;
                   1633: by (Constant)
                   1634: Builder 2Variable
                   1635: [ELSE]
                   1636: Build: T 0 , 0 , H ;
                   1637: by Create
                   1638: Builder 2Variable
                   1639: [THEN]
                   1640: 
                   1641: T has? rom H [IF]
                   1642: Build: ( -- ) T here 0 , H switchram T align here swap ! 0 , H ( switchrom ) ;
1.52      jwilke   1643: by (Constant)
                   1644: Builder AVariable
                   1645: [ELSE]
1.1       anton    1646: Build: T 0 A, H ;
                   1647: by Create
                   1648: Builder AVariable
1.52      jwilke   1649: [THEN]
1.1       anton    1650: 
1.3       pazsan   1651: \ User variables                                       04may94py
                   1652: 
                   1653: >CROSS
                   1654: Variable tup  0 tup !
                   1655: Variable tudp 0 tudp !
                   1656: : u,  ( n -- udp )
                   1657:   tup @ tudp @ + T  ! H
1.19      pazsan   1658:   tudp @ dup T cell+ H tudp ! ;
1.3       pazsan   1659: : au, ( n -- udp )
                   1660:   tup @ tudp @ + T A! H
1.19      pazsan   1661:   tudp @ dup T cell+ H tudp ! ;
1.3       pazsan   1662: >TARGET
                   1663: 
                   1664: Build: T 0 u, , H ;
1.42      pazsan   1665: by: :douser ( ghost -- up-addr )  T @ H tup @ + ;DO
1.1       anton    1666: Builder User
                   1667: 
1.3       pazsan   1668: Build: T 0 u, , 0 u, drop H ;
                   1669: by User
1.1       anton    1670: Builder 2User
                   1671: 
1.3       pazsan   1672: Build: T 0 au, , H ;
                   1673: by User
1.1       anton    1674: Builder AUser
                   1675: 
1.52      jwilke   1676: BuildSmart: T , H ;
1.44      pazsan   1677: by (Constant)
1.1       anton    1678: Builder Value
                   1679: 
1.52      jwilke   1680: BuildSmart: T A, H ;
1.44      pazsan   1681: by (Constant)
1.32      pazsan   1682: Builder AValue
                   1683: 
1.52      jwilke   1684: BuildSmart:  ( -- ) [T'] noop T A, H ;
1.42      pazsan   1685: by: :dodefer ( ghost -- ) ABORT" CROSS: Don't execute" ;DO
1.1       anton    1686: Builder Defer
1.37      pazsan   1687: 
1.52      jwilke   1688: BuildSmart:  ( inter comp -- ) swap T immediate A, A, H ;
1.37      pazsan   1689: DO: ( ghost -- ) ABORT" CROSS: Don't execute" ;DO
1.38      anton    1690: Builder interpret/compile:
1.24      pazsan   1691: 
                   1692: \ Sturctures                                           23feb95py
                   1693: 
                   1694: >CROSS
                   1695: : nalign ( addr1 n -- addr2 )
                   1696: \ addr2 is the aligned version of addr1 wrt the alignment size n
                   1697:  1- tuck +  swap invert and ;
                   1698: >TARGET
                   1699: 
1.44      pazsan   1700: Build: ;
                   1701: by: :dofield T @ H + ;DO
                   1702: Builder (Field)
                   1703: 
1.51      anton    1704: Build: ( align1 offset1 align size "name" --  align2 offset2 )
                   1705:     rot dup T , H ( align1 align size offset1 )
                   1706:     + >r nalign r> ;
1.44      pazsan   1707: by (Field)
1.24      pazsan   1708: Builder Field
                   1709: 
1.51      anton    1710: : struct  T 1 chars 0 H ;
1.24      pazsan   1711: : end-struct  T 2Constant H ;
                   1712: 
1.52      jwilke   1713: : cell% ( n -- size align )
1.51      anton    1714:     T 1 cells H dup ;
1.24      pazsan   1715: 
                   1716: \ ' 2Constant Alias2 end-struct
                   1717: \ 0 1 T Chars H 2Constant struct
1.1       anton    1718: 
1.52      jwilke   1719: \ structural conditionals                              17dec92py
                   1720: 
                   1721: >CROSS
                   1722: : ?struc      ( flag -- )       ABORT" CROSS: unstructured " ;
                   1723: : sys?        ( sys -- sys )    dup 0= ?struc ;
                   1724: : >mark       ( -- sys )        T here  ( dup ." M" hex. ) 0 , H ;
                   1725: 
1.67      jwilke   1726: : branchoffset ( src dest -- ) - tchar / ; \ ?? jaw
1.52      jwilke   1727: 
                   1728: : >resolve    ( sys -- )        T here ( dup ." >" hex. ) over branchoffset swap ! H ;
                   1729: 
                   1730: : <resolve    ( sys -- )        T here ( dup ." <" hex. ) branchoffset , H ;
                   1731: 
1.54      pazsan   1732: :noname compile branch T here branchoffset , H ;
                   1733:   IS branch, ( target-addr -- )
                   1734: :noname compile ?branch T here branchoffset , H ;
                   1735:   IS ?branch, ( target-addr -- )
                   1736: :noname compile branch T here 0 , H ;
                   1737:   IS branchmark, ( -- branchtoken )
                   1738: :noname compile ?branch T here 0 , H ;
                   1739:   IS ?branchmark, ( -- branchtoken )
                   1740: :noname T here 0 , H ;
                   1741:   IS ?domark, ( -- branchtoken )
                   1742: :noname dup T @ H ?struc T here over branchoffset swap ! H ;
                   1743:   IS branchtoresolve, ( branchtoken -- )
                   1744: :noname branchto, T here H ;
                   1745:   IS branchtomark, ( -- target-addr )
1.52      jwilke   1746: 
                   1747: >TARGET
                   1748: 
                   1749: \ Structural Conditionals                              12dec92py
                   1750: 
                   1751: Cond: BUT       restrict? sys? swap ;Cond
                   1752: Cond: YET       restrict? sys? dup ;Cond
                   1753: 
1.54      pazsan   1754: 0 [IF]
1.52      jwilke   1755: >CROSS
                   1756: Variable tleavings
                   1757: >TARGET
                   1758: 
                   1759: Cond: DONE   ( addr -- )  restrict? tleavings @
                   1760:       BEGIN  2dup u> 0=  WHILE  dup T @ H swap >resolve REPEAT
                   1761:       tleavings ! drop ;Cond
                   1762: 
                   1763: >CROSS
1.54      pazsan   1764: : (leave)  T here H tleavings @ T , H  tleavings ! ;
1.52      jwilke   1765: >TARGET
                   1766: 
1.54      pazsan   1767: Cond: LEAVE     restrict? compile branch (leave) ;Cond
                   1768: Cond: ?LEAVE    restrict? compile 0=  compile ?branch (leave)  ;Cond
1.52      jwilke   1769: 
1.53      jwilke   1770: [ELSE]
                   1771:     \ !! This is WIP
                   1772:     \ The problem is (?DO)!
                   1773:     \ perhaps we need a plug-in for (?DO)
                   1774:     
                   1775: >CROSS
                   1776: Variable tleavings 0 tleavings !
1.54      pazsan   1777: : (done) ( addr -- )
                   1778:     tleavings @
                   1779:     BEGIN  dup
                   1780:     WHILE
                   1781:        >r dup r@ cell+ @ \ address of branch
                   1782:        u> 0=      \ lower than DO?     
                   1783:     WHILE
                   1784:        r@ 2 cells + @ \ branch token
                   1785:        branchtoresolve,
                   1786:        r@ @ r> free throw
                   1787:     REPEAT  r>  THEN
                   1788:     tleavings ! drop ;
                   1789: 
1.53      jwilke   1790: >TARGET
                   1791: 
1.54      pazsan   1792: Cond: DONE   ( addr -- )  restrict? (done) ;Cond
1.53      jwilke   1793: 
                   1794: >CROSS
1.54      pazsan   1795: : (leave) ( branchtoken -- )
1.53      jwilke   1796:     3 cells allocate throw >r
                   1797:     T here H r@ cell+ !
                   1798:     r@ 2 cells + !
                   1799:     tleavings @ r@ !
                   1800:     r> tleavings ! ;
                   1801: >TARGET
                   1802: 
1.54      pazsan   1803: Cond: LEAVE     restrict? branchmark, (leave) ;Cond
                   1804: Cond: ?LEAVE    restrict? compile 0=  ?branchmark, (leave)  ;Cond
1.53      jwilke   1805: 
                   1806: [THEN]
                   1807: 
1.54      pazsan   1808: >CROSS
                   1809: \ !!JW ToDo : Move to general tools section
                   1810: 
                   1811: : to1 ( x1 x2 xn n -- addr )
                   1812: \G packs n stack elements in a allocated memory region
                   1813:    dup dup 1+ cells allocate throw dup >r swap 1+
                   1814:    0 DO tuck ! cell+ LOOP
                   1815:    drop r> ;
                   1816: : 1to ( addr -- x1 x2 xn )
                   1817: \G unpacks the elements saved by to1
                   1818:     dup @ swap over cells + swap
                   1819:     0 DO  dup @ swap 1 cells -  LOOP
                   1820:     free throw ;
                   1821: 
                   1822: : loop]     branchto, dup <resolve tcell - (done) ;
                   1823: 
                   1824: : skiploop] ?dup IF branchto, branchtoresolve, THEN ;
                   1825: 
                   1826: >TARGET
                   1827: 
1.52      jwilke   1828: \ Structural Conditionals                              12dec92py
                   1829: 
1.53      jwilke   1830: >TARGET
1.52      jwilke   1831: Cond: AHEAD     restrict? branchmark, ;Cond
                   1832: Cond: IF        restrict? ?branchmark, ;Cond
                   1833: Cond: THEN      restrict? sys? branchto, branchtoresolve, ;Cond
                   1834: Cond: ELSE      restrict? sys? compile AHEAD swap compile THEN ;Cond
                   1835: 
                   1836: Cond: BEGIN     restrict? branchtomark, ;Cond
                   1837: Cond: WHILE     restrict? sys? compile IF swap ;Cond
                   1838: Cond: AGAIN     restrict? sys? branch, ;Cond
                   1839: Cond: UNTIL     restrict? sys? ?branch, ;Cond
                   1840: Cond: REPEAT    restrict? over 0= ?struc compile AGAIN compile THEN ;Cond
                   1841: 
                   1842: Cond: CASE      restrict? 0 ;Cond
                   1843: Cond: OF        restrict? 1+ >r compile over compile =
                   1844:                 compile IF compile drop r> ;Cond
1.45      pazsan   1845: Cond: ENDOF     restrict? >r compile ELSE r> ;Cond
                   1846: Cond: ENDCASE   restrict? compile drop 0 ?DO  compile THEN  LOOP ;Cond
1.1       anton    1847: 
                   1848: \ Structural Conditionals                              12dec92py
                   1849: 
1.67      jwilke   1850: :noname \ ?? i think 0 is too much! jaw
1.54      pazsan   1851:     0 compile (do)
                   1852:     branchtomark,  2 to1 ;
                   1853:   IS do, ( -- target-addr )
                   1854: 
                   1855: \ :noname
                   1856: \     compile 2dup compile = compile IF
                   1857: \     compile 2drop compile ELSE
                   1858: \     compile (do) branchtomark, 2 to1 ;
                   1859: \   IS ?do,
                   1860:     
                   1861: :noname
                   1862:     0 compile (?do)  ?domark, (leave)
                   1863:     branchtomark,  2 to1 ;
                   1864:   IS ?do, ( -- target-addr )
                   1865: :noname compile (for) branchtomark, ;
                   1866:   IS for, ( -- target-addr )
                   1867: :noname 1to compile (loop)  loop] compile unloop skiploop] ;
                   1868:   IS loop, ( target-addr -- )
                   1869: :noname 1to compile (+loop)  loop] compile unloop skiploop] ;
                   1870:   IS +loop, ( target-addr -- )
                   1871: :noname compile (next)  loop] compile unloop ;
                   1872:   IS next, ( target-addr -- )
                   1873: 
                   1874: Cond: DO       restrict? do, ;Cond
                   1875: Cond: ?DO      restrict? ?do, ;Cond
                   1876: Cond: FOR      restrict? for, ;Cond
                   1877: 
                   1878: Cond: LOOP     restrict? sys? loop, ;Cond
                   1879: Cond: +LOOP    restrict? sys? +loop, ;Cond
                   1880: Cond: NEXT     restrict? sys? next, ;Cond
1.52      jwilke   1881: 
1.1       anton    1882: \ String words                                         23feb93py
                   1883: 
1.52      jwilke   1884: : ,"            [char] " parse T string, align H ;
1.1       anton    1885: 
                   1886: Cond: ."        restrict? compile (.")     T ," H ;Cond
                   1887: Cond: S"        restrict? compile (S")     T ," H ;Cond
                   1888: Cond: ABORT"    restrict? compile (ABORT") T ," H ;Cond
                   1889: 
                   1890: Cond: IS        T ' >body H compile ALiteral compile ! ;Cond
1.66      pazsan   1891: : IS            T >address ' >body ! H ;
1.9       pazsan   1892: Cond: TO        T ' >body H compile ALiteral compile ! ;Cond
                   1893: : TO            T ' >body ! H ;
1.1       anton    1894: 
1.52      jwilke   1895: Cond: defers   T ' >body @ compile, H ;Cond
                   1896: : on           T -1 swap ! H ; 
                   1897: : off          T 0 swap ! H ;
                   1898: 
1.1       anton    1899: \ LINKED ERR" ENV" 2ENV"                                18may93jaw
                   1900: 
                   1901: \ linked list primitive
                   1902: : linked        T here over @ A, swap ! H ;
1.52      jwilke   1903: : chained      T linked A, H ;
1.1       anton    1904: 
                   1905: : err"   s" ErrLink linked" evaluate T , H
1.52      jwilke   1906:          [char] " parse T string, align H ;
1.1       anton    1907: 
                   1908: : env"  [char] " parse s" EnvLink linked" evaluate
1.52      jwilke   1909:         T string, align , H ;
1.1       anton    1910: 
                   1911: : 2env" [char] " parse s" EnvLink linked" evaluate
1.52      jwilke   1912:         here >r T string, align , , H
1.1       anton    1913:         r> dup T c@ H 80 and swap T c! H ;
                   1914: 
                   1915: \ compile must be last                                 22feb93py
                   1916: 
                   1917: Cond: compile ( -- ) restrict? \ name
1.13      pazsan   1918:       bl word gfind dup 0= ABORT" CROSS: Can't compile"
1.1       anton    1919:       0> IF    gexecute
                   1920:          ELSE  dup >magic @ <imm> =
                   1921:                IF   gexecute
1.54      pazsan   1922:                ELSE compile (compile) addr, THEN THEN ;Cond
1.1       anton    1923: 
                   1924: Cond: postpone ( -- ) restrict? \ name
1.13      pazsan   1925:       bl word gfind dup 0= ABORT" CROSS: Can't compile"
1.1       anton    1926:       0> IF    gexecute
                   1927:          ELSE  dup >magic @ <imm> =
                   1928:                IF   gexecute
1.54      pazsan   1929:               ELSE compile (compile) addr, THEN THEN ;Cond
                   1930:           
                   1931: \ \ minimal definitions
                   1932:           
1.1       anton    1933: >MINIMAL
                   1934: also minimal
                   1935: \ Usefull words                                        13feb93py
                   1936: 
                   1937: : KB  400 * ;
                   1938: 
1.54      pazsan   1939: \ \ [IF] [ELSE] [THEN] ...                             14sep97jaw
                   1940: 
                   1941: \ it is useful to define our own structures and not to rely
                   1942: \ on the words in the compiler
                   1943: \ The words in the compiler might be defined with vocabularies
                   1944: \ this doesn't work with our self-made compile-loop
                   1945: 
                   1946: Create parsed 20 chars allot   \ store word we parsed
                   1947: 
                   1948: : upcase
                   1949:     parsed count bounds
                   1950:     ?DO I c@ toupper I c! LOOP ;
                   1951: 
                   1952: : [ELSE]
                   1953:     1 BEGIN
                   1954:        BEGIN bl word count dup WHILE
                   1955:            comment? parsed place upcase parsed count
                   1956:            2dup s" [IF]" compare 0= >r 
                   1957:            2dup s" [IFUNDEF]" compare 0= >r
                   1958:            2dup s" [IFDEF]" compare 0= r> or r> or
                   1959:            IF   2drop 1+
                   1960:            ELSE 2dup s" [ELSE]" compare 0=
                   1961:                IF   2drop 1- dup
                   1962:                    IF 1+
                   1963:                    THEN
                   1964:                ELSE
                   1965:                    2dup s" [ENDIF]" compare 0= >r
                   1966:                    s" [THEN]" compare 0= r> or
                   1967:                    IF 1- THEN
                   1968:                THEN
                   1969:            THEN
                   1970:            ?dup 0= ?EXIT
                   1971:        REPEAT
                   1972:        2drop refill 0=
                   1973:     UNTIL drop ; immediate
                   1974:   
                   1975: : [THEN] ( -- ) ; immediate
                   1976: 
                   1977: : [ENDIF] ( -- ) ; immediate
                   1978: 
                   1979: : [IF] ( flag -- )
                   1980:     0= IF postpone [ELSE] THEN ; immediate 
                   1981: 
                   1982: Cond: [IF]      postpone [IF] ;Cond
                   1983: Cond: [THEN]    postpone [THEN] ;Cond
                   1984: Cond: [ELSE]    postpone [ELSE] ;Cond
                   1985: 
1.1       anton    1986: \ define new [IFDEF] and [IFUNDEF]                      20may93jaw
                   1987: 
1.43      pazsan   1988: : defined? defined? ;
1.44      pazsan   1989: : needed? needed? ;
                   1990: : doer? doer? ;
1.1       anton    1991: 
1.52      jwilke   1992: \ we want to use IFDEF on compiler directives (e.g. E?) in the source, too
                   1993: 
                   1994: : directive? 
                   1995:   bl word count [ ' target >wordlist ] aliteral search-wordlist 
                   1996:   dup IF nip THEN ;
                   1997: 
                   1998: : [IFDEF]  >in @ directive? swap >in !
                   1999:           0= IF defined? ELSE name 2drop true THEN
                   2000:           postpone [IF] ;
                   2001: 
1.43      pazsan   2002: : [IFUNDEF] defined? 0= postpone [IF] ;
1.1       anton    2003: 
1.54      pazsan   2004: Cond: [IFDEF]   postpone [IFDEF] ;Cond
                   2005: 
                   2006: Cond: [IFUNDEF] postpone [IFUNDEF] ;Cond
                   2007: 
1.1       anton    2008: \ C: \- \+ Conditional Compiling                         09jun93jaw
                   2009: 
1.43      pazsan   2010: : C: >in @ defined? 0=
1.1       anton    2011:      IF    >in ! T : H
                   2012:      ELSE drop
                   2013:         BEGIN bl word dup c@
                   2014:               IF   count comment? s" ;" compare 0= ?EXIT
                   2015:               ELSE refill 0= ABORT" CROSS: Out of Input while C:"
                   2016:               THEN
                   2017:         AGAIN
                   2018:      THEN ;
                   2019: 
                   2020: also minimal
                   2021: 
1.52      jwilke   2022: \G doesn't skip line when bit is set in debugmask
                   2023: : \D name evaluate debugmasksource @ and 0= IF postpone \ THEN ;
                   2024: 
1.48      anton    2025: \G interprets the line if word is not defined
1.43      pazsan   2026: : \- defined? IF postpone \ THEN ;
1.48      anton    2027: 
                   2028: \G interprets the line if word is defined
1.43      pazsan   2029: : \+ defined? 0= IF postpone \ THEN ;
1.1       anton    2030: 
1.48      anton    2031: Cond: \- \- ;Cond
                   2032: Cond: \+ \+ ;Cond
1.52      jwilke   2033: Cond: \D \D ;Cond
1.48      anton    2034: 
                   2035: : ?? bl word find IF execute ELSE drop 0 THEN ;
                   2036: 
                   2037: : needed:
                   2038: \G defines ghost for words that we want to be compiled
                   2039:   BEGIN >in @ bl word c@ WHILE >in ! ghost drop REPEAT drop ;
                   2040: 
                   2041: previous
                   2042: 
1.1       anton    2043: \ save-cross                                           17mar93py
                   2044: 
1.48      anton    2045: >CROSS
1.62      pazsan   2046: Create magic  s" Gforth2x" here over allot swap move
1.26      pazsan   2047: 
1.63      anton    2048: bigendian 1+ \ strangely, in magic big=0, little=1
                   2049: tcell 1 = 0 and or
1.62      pazsan   2050: tcell 2 = 2 and or
                   2051: tcell 4 = 4 and or
                   2052: tcell 8 = 6 and or
1.65      pazsan   2053: tchar 1 = $00 and or
                   2054: tchar 2 = $28 and or
                   2055: tchar 4 = $50 and or
                   2056: tchar 8 = $78 and or
1.62      pazsan   2057: magic 7 + c!
1.26      pazsan   2058: 
1.34      anton    2059: : save-cross ( "image-name" "binary-name" -- )
                   2060:   bl parse ." Saving to " 2dup type cr
1.1       anton    2061:   w/o bin create-file throw >r
1.48      anton    2062:   TNIL IF
1.43      pazsan   2063:       s" #! "   r@ write-file throw
                   2064:       bl parse  r@ write-file throw
                   2065:       s"  -i"   r@ write-file throw
                   2066:       #lf       r@ emit-file throw
                   2067:       r@ dup file-position throw drop 8 mod 8 swap ( file-id limit index )
                   2068:       ?do
                   2069:          bl over emit-file throw
                   2070:       loop
                   2071:       drop
                   2072:       magic 8       r@ write-file throw \ write magic
                   2073:   ELSE
                   2074:       bl parse 2drop
                   2075:   THEN
1.52      jwilke   2076:   image @ there 
                   2077:   r@ write-file throw \ write image
1.48      anton    2078:   TNIL IF
                   2079:       bit$  @ there 1- tcell>bit rshift 1+
1.16      pazsan   2080:                 r@ write-file throw \ write tags
1.43      pazsan   2081:   THEN
1.1       anton    2082:   r> close-file throw ;
                   2083: 
1.52      jwilke   2084: : save-region ( addr len -- )
                   2085:   bl parse w/o bin create-file throw >r
1.67      jwilke   2086:   swap >image swap r@ write-file throw
1.52      jwilke   2087:   r> close-file throw ;
                   2088: 
1.1       anton    2089: \ words that should be in minimal
1.52      jwilke   2090: 
                   2091: create s-buffer 50 chars allot
                   2092: 
1.48      anton    2093: >MINIMAL
                   2094: also minimal
1.1       anton    2095: 
1.48      anton    2096: bigendian Constant bigendian
1.52      jwilke   2097: : here there ;
1.67      jwilke   2098: : equ constant ;
                   2099: : mark there constant ;
1.54      pazsan   2100: 
                   2101: \ compiler directives
1.52      jwilke   2102: : >ram >ram ;
                   2103: : >rom >rom ;
                   2104: : >auto >auto ;
                   2105: : >tempdp >tempdp ;
                   2106: : tempdp> tempdp> ;
                   2107: : const constflag on ;
                   2108: : warnings name 3 = 0= twarnings ! drop ;
1.60      anton    2109: : | ;
                   2110: \ : | NoHeaderFlag on ; \ This is broken (damages the last word)
1.52      jwilke   2111: 
1.48      anton    2112: : save-cross save-cross ;
1.52      jwilke   2113: : save-region save-region ;
                   2114: : tdump swap >image swap dump ;
                   2115: 
1.48      anton    2116: also forth 
1.52      jwilke   2117: [IFDEF] Label           : Label defempty? Label ; [THEN] 
                   2118: [IFDEF] start-macros    : start-macros defempty? start-macros ; [THEN]
                   2119: [IFDEF] builttag       : builttag builttag ;   [THEN]
1.48      anton    2120: previous
                   2121: 
1.52      jwilke   2122: : s" [char] " parse s-buffer place s-buffer count ; \ for environment?
1.43      pazsan   2123: : + + ;
1.52      jwilke   2124: : 1+ 1 + ;
                   2125: : 2+ 2 + ;
1.43      pazsan   2126: : or or ;
                   2127: : 1- 1- ;
                   2128: : - - ;
1.52      jwilke   2129: : and and ;
                   2130: : or or ;
1.43      pazsan   2131: : 2* 2* ;
                   2132: : * * ;
                   2133: : / / ;
                   2134: : dup dup ;
                   2135: : over over ;
                   2136: : swap swap ;
                   2137: : rot rot ;
                   2138: : drop drop ;
                   2139: : =   = ;
                   2140: : 0=   0= ;
                   2141: : lshift lshift ;
                   2142: : 2/ 2/ ;
1.19      pazsan   2143: : . . ;
1.1       anton    2144: 
1.43      pazsan   2145: : all-words    ['] false    IS skip? ;
                   2146: : needed-words ['] needed?  IS skip? ;
                   2147: : undef-words  ['] defined? IS skip? ;
1.1       anton    2148: 
1.40      pazsan   2149: : \  postpone \ ;  immediate
1.47      pazsan   2150: : \G T-\G ; immediate
1.40      pazsan   2151: : (  postpone ( ;  immediate
1.1       anton    2152: : include bl word count included ;
1.52      jwilke   2153: : require require ;
1.1       anton    2154: : .( [char] ) parse type ;
1.52      jwilke   2155: : ." [char] " parse type ;
1.1       anton    2156: : cr cr ;
                   2157: 
                   2158: : times 0 ?DO dup T c, H LOOP drop ; \ used for space table creation
                   2159: only forth also minimal definitions
                   2160: 
                   2161: \ cross-compiler words
                   2162: 
                   2163: : decimal       decimal ;
                   2164: : hex           hex ;
                   2165: 
1.3       pazsan   2166: : tudp          T tudp H ;
1.39      pazsan   2167: : tup           T tup H ;
                   2168: 
                   2169: : doc-off       false T to-doc H ! ;
                   2170: : doc-on        true  T to-doc H ! ;
1.52      jwilke   2171: [IFDEF] dbg : dbg dbg ; [THEN]
1.39      pazsan   2172: 
                   2173: minimal
1.1       anton    2174: 
                   2175: \ for debugging...
                   2176: : order         order ;
1.52      jwilke   2177: : hwords         words ;
                   2178: : words        also ghosts words previous ;
1.1       anton    2179: : .s            .s ;
                   2180: : bye           bye ;
                   2181: 
                   2182: \ turnkey direction
                   2183: : H forth ; immediate
                   2184: : T minimal ; immediate
                   2185: : G ghosts ; immediate
                   2186: 
                   2187: : turnkey  0 set-order also Target definitions
                   2188:            also Minimal also ;
                   2189: 
                   2190: \ these ones are pefered:
                   2191: 
                   2192: : lock   turnkey ;
                   2193: : unlock forth also cross ;
1.52      jwilke   2194: 
                   2195: : [[ also unlock ;
                   2196: : ]] previous previous ;
1.1       anton    2197: 
                   2198: unlock definitions also minimal
                   2199: : lock   lock ;
                   2200: lock

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>