Annotation of gforth/prims2x.fs, revision 1.17

1.16      anton       1: \ converts primitives to, e.g., C code 
                      2: 
                      3: \ Copyright (C) 1995 Free Software Foundation, Inc.
                      4: 
                      5: \ This file is part of Gforth.
                      6: 
                      7: \ Gforth is free software; you can redistribute it and/or
                      8: \ modify it under the terms of the GNU General Public License
                      9: \ as published by the Free Software Foundation; either version 2
                     10: \ of the License, or (at your option) any later version.
                     11: 
                     12: \ This program is distributed in the hope that it will be useful,
                     13: \ but WITHOUT ANY WARRANTY; without even the implied warranty of
                     14: \ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     15: \ GNU General Public License for more details.
                     16: 
                     17: \ You should have received a copy of the GNU General Public License
                     18: \ along with this program; if not, write to the Free Software
                     19: \ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
                     20: 
                     21: 
1.1       anton      22: \ This is not very nice (hard limits, no checking, assumes 1 chars = 1)
                     23: 
                     24: \ Optimizations:
                     25: \ superfluous stores are removed. GCC removes the superfluous loads by itself
                     26: \ TOS and FTOS can be kept in register( variable)s.
                     27: \ 
                     28: \ Problems:
                     29: \ The TOS optimization is somewhat hairy. The problems by example:
                     30: \ 1) dup ( w -- w w ): w=TOS; sp-=1; sp[1]=w; TOS=w;
                     31: \    The store is not superfluous although the earlier opt. would think so
                     32: \    Alternatively:    sp[0]=TOS; w=TOS; sp-=1; TOS=w;
                     33: \ 2) ( -- .. ): sp[0] = TOS; ... /* This additional store is necessary */
                     34: \ 3) ( .. -- ): ... TOS = sp[0]; /* as well as this load */
                     35: \ 4) ( -- ): /* but here they are unnecessary */
                     36: \ 5) Words that call NEXT themselves have to be done very carefully.
                     37: \
                     38: \ To do:
1.8       pazsan     39: \ add the store optimization for doubles
1.1       anton      40: \ regarding problem 1 above: It would be better (for over) to implement
                     41: \      the alternative
                     42: 
1.3       pazsan     43: warnings off
                     44: 
1.11      pazsan     45: [IFUNDEF] vocabulary    include search-order.fs [THEN]
                     46: [IFUNDEF] environment?  include environ.fs      [THEN]
1.1       anton      47: include gray.fs
                     48: 
                     49: 100 constant max-effect \ number of things on one side of a stack effect
                     50: 4096 constant batch-size \ no meaning, just make sure it's >0
                     51: 255 constant maxchar
                     52: maxchar 1+ constant eof-char
1.17    ! anton      53: #tab constant tab-char
        !            54: #lf constant nl-char
1.1       anton      55: 
                     56: : read-whole-file ( c-addr1 file-id -- c-addr2 )
                     57: \ reads the contents of the file file-id puts it into memory at c-addr1
                     58: \ c-addr2 is the first address after the file block
                     59:   begin ( c-addr file-id )
                     60:     2dup batch-size swap read-file 
                     61:     if
1.8       pazsan     62:       true abort" I/O error"
1.1       anton      63:     endif
                     64:     ( c-addr file-id actual-size ) rot over + -rot
                     65:     batch-size <>
                     66:   until
                     67:   drop ;
                     68: 
                     69: variable input \ pointer to next character to be parsed
                     70: variable endinput \ pointer to the end of the input (the char after the last)
1.17    ! anton      71: variable line \ line number of char pointed to by input
        !            72: 1 line !
        !            73: 2variable filename \ filename of original input file
        !            74: 0 0 filename 2!
        !            75: variable skipsynclines \ are sync lines ("#line ...") invisible to the parser?
        !            76: skipsynclines on 
        !            77: \ !! unfortunately, this does not mean that they do not appear in the
        !            78: \ output. This could be changed by copying the input (skipping
        !            79: \ synclines) in ?nextchar
1.1       anton      80: 
                     81: : start ( -- addr )
                     82:  input @ ;
                     83: 
                     84: : end ( addr -- addr u )
                     85:  input @ over - ;
                     86: 
                     87: variable output \ xt ( -- ) of output word
                     88: 
                     89: : printprim ( -- )
                     90:  output @ execute ;
                     91: 
                     92: : field
                     93:  <builds-field ( n1 n2 -- n3 )
                     94:  does>         ( addr1 -- addr2 )
                     95:    @ + ;
                     96: 
                     97: : const-field
                     98:  <builds-field ( n1 n2 -- n3 )
                     99:  does>         ( addr -- w )
                    100:    @ + @ ;
                    101: 
                    102: struct
                    103:  2 cells field item-name
                    104:  cell field item-d-offset
                    105:  cell field item-f-offset
                    106:  cell field item-type
                    107: constant item-descr
                    108: 
                    109: 2variable forth-name
                    110: 2variable wordset
                    111: 2variable c-name
                    112: 2variable doc
                    113: 2variable c-code
                    114: 2variable forth-code
                    115: 2variable stack-string
                    116: create effect-in  max-effect item-descr * allot
                    117: create effect-out max-effect item-descr * allot
                    118: variable effect-in-end ( pointer )
                    119: variable effect-out-end ( pointer )
                    120: 2variable effect-in-size
                    121: 2variable effect-out-size
1.17    ! anton     122: variable c-line
        !           123: 2variable c-filename
        !           124: variable name-line
        !           125: 2variable name-filename
        !           126: 2variable last-name-filename
1.1       anton     127: 
1.14      pazsan    128: variable primitive-number -10 primitive-number !
1.1       anton     129: 
                    130: \ for several reasons stack items of a word are stored in a wordlist
                    131: \ since neither forget nor marker are implemented yet, we make a new
                    132: \ wordlist for every word and store it in the variable items
                    133: variable items
                    134: 
                    135: \ a few more set ops
                    136: 
                    137: : bit-equivalent ( w1 w2 -- w3 )
                    138:  xor invert ;
                    139: 
                    140: : complement ( set1 -- set2 )
                    141:  empty ['] bit-equivalent binary-set-operation ;
                    142: 
                    143: \ the parser
                    144: 
                    145: eof-char max-member \ the whole character set + EOF
                    146: 
                    147: : getinput ( -- n )
                    148:  input @
                    149:  dup endinput @ =
                    150:  if
                    151:    drop eof-char
                    152:  else
                    153:    c@
                    154:  endif ;
                    155: 
                    156: :noname ( n -- )
                    157:  dup bl > if
                    158:   emit space
                    159:  else
                    160:   .
                    161:  endif ;
                    162: print-token !
                    163: 
                    164: : testchar? ( set -- f )
                    165:  getinput member? ;
                    166: ' testchar? test-vector !
                    167: 
1.17    ! anton     168: : checksyncline ( -- )
        !           169:     \ when input points to a newline, check if the next line is a
        !           170:     \ sync line.  If it is, perform the appropriate actions.
        !           171:     input @ >r
        !           172:     s" #line " r@ over compare 0<> if
        !           173:        rdrop 1 line +! EXIT
        !           174:     endif
        !           175:     0. r> 6 chars + 20 >number drop >r drop line ! r> ( c-addr )
        !           176:     dup c@ bl = if
        !           177:        char+ dup c@ [char] " <> abort" sync line syntax"
        !           178:        char+ dup 100 [char] " scan drop swap 2dup - filename 2!
        !           179:        char+
        !           180:     endif
        !           181:     dup c@ nl-char <> abort" sync line syntax"
        !           182:     skipsynclines @ if
        !           183:        dup char+ input !
        !           184:     endif
        !           185:     drop ;
        !           186: 
1.1       anton     187: : ?nextchar ( f -- )
1.17    ! anton     188:     ?not? if
        !           189:        ." syntax error" cr
        !           190:        getinput . cr
        !           191:        input @ endinput @ over - 100 min type cr
        !           192:        abort
        !           193:     endif
        !           194:     input @ endinput @ <> if
        !           195:        input @ c@
        !           196:        1 input +!
        !           197:        nl-char = if
        !           198:            checksyncline
        !           199:        endif
        !           200:     endif ;
1.1       anton     201: 
                    202: : charclass ( set "name" -- )
                    203:  ['] ?nextchar terminal ;
                    204: 
                    205: : .. ( c1 c2 -- set )
                    206:  ( creates a set that includes the characters c, c1<=c<=c2 )
                    207:  empty copy-set
                    208:  swap 1+ rot do
                    209:   i over add-member
                    210:  loop ;
                    211: 
                    212: : ` ( -- terminal ) ( use: ` c )
                    213:  ( creates anonymous terminal for the character c )
                    214:  [compile] ascii singleton ['] ?nextchar make-terminal ;
                    215: 
                    216: char a char z ..  char A char Z ..  union char _ singleton union  charclass letter
                    217: char 0 char 9 ..                                       charclass digit
                    218: bl singleton                                           charclass blank
                    219: tab-char singleton                                     charclass tab
                    220: nl-char singleton eof-char over add-member complement  charclass nonl
                    221: nl-char singleton eof-char over add-member char : over add-member complement  charclass nocolonnl
                    222: bl 1+ maxchar ..                                       charclass nowhite
                    223: char " singleton eof-char over add-member complement   charclass noquote
                    224: nl-char singleton                                      charclass nl
                    225: eof-char singleton                                     charclass eof
                    226: 
                    227: 
                    228: (( letter (( letter || digit )) **
                    229: )) <- c-name ( -- )
                    230: 
                    231: nowhite ++
                    232: <- name ( -- )
                    233: 
                    234: (( ` \ nonl ** nl
                    235: )) <- comment ( -- )
                    236: 
1.17    ! anton     237: \ (( ` # ` l ` i ` n ` e blank
        !           238: \ {{ 0. start }} digit ++ {{ end >number abort" line number?" drop drop 1- line ! }} blank
        !           239: \    (( ` " {{ start }} noquote ++ {{ end filename 2! }} `" )) ??
        !           240: \    nl
        !           241: \ )) <- syncline ( -- )
        !           242: 
        !           243: \ (( nl syncline ?? )) <- nlsync
        !           244: 
1.1       anton     245: (( {{ effect-in }} (( {{ start }} c-name {{ end 2 pick item-name 2! item-descr + }} blank ** )) ** {{ effect-in-end ! }}
                    246:    ` - ` - blank **
                    247:    {{ effect-out }} (( {{ start }} c-name {{ end 2 pick item-name 2! item-descr + }} blank ** )) ** {{ effect-out-end ! }}
                    248: )) <- stack-effect ( -- )
                    249: 
                    250: (( {{ s" " doc 2! s" " forth-code 2! }}
                    251:    (( comment || nl )) **
1.17    ! anton     252:    (( {{ line @ name-line ! filename 2@ name-filename 2! }}
        !           253:       {{ start }} name {{ end 2dup forth-name 2! c-name 2! }}  tab ++
1.1       anton     254:       {{ start }} stack-effect {{ end stack-string 2! }} tab ++
                    255:         {{ start }} name {{ end wordset 2! }} tab **
                    256:         (( {{ start }}  c-name {{ end c-name 2! }} )) ??  nl
                    257:    ))
                    258:    (( ` " ` "  {{ start }} (( noquote ++ ` " )) ++ {{ end 1- doc 2! }} ` " nl )) ??
1.17    ! anton     259:    {{ line @ c-line ! filename 2@ c-filename 2! start }} (( nocolonnl nonl **  nl )) ** {{ end c-code 2! }}
1.1       anton     260:    (( ` :  nl
                    261:       {{ start }} (( nonl ++  nl )) ++ {{ end forth-code 2! }}
                    262:    )) ??
                    263:    (( nl || eof ))
                    264: )) <- primitive ( -- )
                    265: 
                    266: (( (( primitive {{ printprim }} )) **  eof ))
                    267: parser primitives2something
1.3       pazsan    268: warnings @ [IF]
1.1       anton     269: .( parser generated ok ) cr
1.3       pazsan    270: [THEN]
1.1       anton     271: 
                    272: : primfilter ( file-id xt -- )
                    273: \ fileid is for the input file, xt ( -- ) is for the output word
                    274:  output !
                    275:  here input !
                    276:  here swap read-whole-file
                    277:  dup endinput !
                    278:  here - allot
1.2       pazsan    279:  align
1.17    ! anton     280:  checksyncline
1.1       anton     281:  primitives2something ;
                    282: 
                    283: \ types
                    284: 
                    285: struct
                    286:  2 cells field type-c-name
                    287:  cell const-field type-d-size
                    288:  cell const-field type-f-size
                    289:  cell const-field type-fetch-handler
                    290:  cell const-field type-store-handler
                    291: constant type-description
                    292: 
                    293: : data-stack-access ( n1 n2 n3 -- )
                    294: \ n1 is the offset of the accessed item, n2, n3 are effect-*-size
                    295:  drop swap - 1- dup
                    296:  if
1.2       pazsan    297:    ." sp[" 0 .r ." ]"
1.1       anton     298:  else
                    299:    drop ." TOS"
                    300:  endif ;
                    301: 
                    302: : fp-stack-access ( n1 n2 n3 -- )
                    303: \ n1 is the offset of the accessed item, n2, n3 are effect-*-size
                    304:  nip swap - 1- dup
                    305:  if
1.2       pazsan    306:    ." fp[" 0 .r ." ]"
1.1       anton     307:  else
                    308:    drop ." FTOS"
                    309:  endif ;
                    310: 
                    311: : fetch-single ( item -- )
                    312:  >r
1.8       pazsan    313:  r@ item-name 2@ type
                    314:  ."  = (" 
1.1       anton     315:  r@ item-type @ type-c-name 2@ type ." ) "
                    316:  r@ item-d-offset @ effect-in-size 2@ data-stack-access ." ;" cr
                    317:  rdrop ; 
                    318: 
                    319: : fetch-double ( item -- )
                    320:  >r
1.8       pazsan    321:  r@ item-name 2@ type 
                    322:  ." = ({Double_Store _d; _d.cells.low = "
1.1       anton     323:  r@ item-d-offset @ dup    effect-in-size 2@ data-stack-access
1.8       pazsan    324:  ." ; _d.cells.high = " 1+ effect-in-size 2@ data-stack-access
                    325:  ." ; _d.dcell;});" cr
1.1       anton     326:  rdrop ;
                    327: 
                    328: : fetch-float ( item -- )
                    329:  >r
1.8       pazsan    330:  r@ item-name 2@ type
                    331:  ."  = "
1.1       anton     332:  \ ." (" r@ item-type @ type-c-name 2@ type ." ) "
                    333:  r@ item-f-offset @ effect-in-size 2@ fp-stack-access ." ;" cr
                    334:  rdrop ;
                    335: 
                    336: : d-same-as-in? ( item -- f )
                    337: \ f is true iff the offset of item is the same as on input
                    338:  >r
                    339:  r@ item-name 2@ items @ search-wordlist 0=
1.8       pazsan    340:  abort" bug"
1.1       anton     341:  execute @
                    342:  dup r@ =
                    343:  if \ item first appeared in output
                    344:    drop false
                    345:  else
                    346:    item-d-offset @ r@ item-d-offset @ =
                    347:  endif
                    348:  rdrop ;
                    349: 
                    350: : is-in-tos? ( item -- f )
                    351: \ true if item has the same offset as the input TOS
                    352:  item-d-offset @ 1+ effect-in-size 2@ drop = ;
                    353: 
                    354: : really-store-single ( item -- )
                    355:  >r
                    356:  r@ item-d-offset @ effect-out-size 2@ data-stack-access ."  = (Cell)"
                    357:  r@ item-name 2@ type ." ;"
                    358:  rdrop ;
                    359: 
                    360: : store-single ( item -- )
                    361:  >r
                    362:  r@ d-same-as-in?
                    363:  if
                    364:    r@ is-in-tos?
                    365:    if
                    366:      ." IF_TOS(" r@ really-store-single ." );" cr
                    367:    endif
                    368:  else
                    369:    r@ really-store-single cr
                    370:  endif
                    371:  rdrop ;
                    372: 
                    373: : store-double ( item -- )
                    374: \ !! store optimization is not performed, because it is not yet needed
                    375:  >r
                    376:  ." {Double_Store _d; _d.dcell = " r@ item-name 2@ type ." ; "
                    377:  r@ item-d-offset @ dup    effect-out-size 2@ data-stack-access 
1.2       pazsan    378:  ."  = _d.cells.low; " 1+ effect-out-size 2@ data-stack-access
                    379:  ." = _d.cells.high;}" cr
1.1       anton     380:  rdrop ;
                    381: 
                    382: : f-same-as-in? ( item -- f )
                    383: \ f is true iff the offset of item is the same as on input
                    384:  >r
                    385:  r@ item-name 2@ items @ search-wordlist 0=
1.8       pazsan    386:  abort" bug"
1.1       anton     387:  execute @
                    388:  dup r@ =
                    389:  if \ item first appeared in output
                    390:    drop false
                    391:  else
                    392:    item-f-offset @ r@ item-f-offset @ =
                    393:  endif
                    394:  rdrop ;
                    395: 
                    396: : is-in-ftos? ( item -- f )
                    397: \ true if item has the same offset as the input TOS
                    398:  item-f-offset @ 1+ effect-in-size 2@ nip = ;
                    399: 
                    400: : really-store-float ( item -- )
                    401:  >r
                    402:  r@ item-f-offset @ effect-out-size 2@ fp-stack-access ."  = "
                    403:  r@ item-name 2@ type ." ;"
                    404:  rdrop ;
                    405: 
                    406: : store-float ( item -- )
                    407:  >r
                    408:  r@ f-same-as-in?
                    409:  if
                    410:    r@ is-in-ftos?
                    411:    if
                    412:      ." IF_FTOS(" r@ really-store-float ." );" cr
                    413:    endif
                    414:  else
                    415:    r@ really-store-float cr
                    416:  endif
                    417:  rdrop ;
                    418:  
1.10      anton     419: : single-type ( -- xt1 xt2 n1 n2 )
1.1       anton     420:  ['] fetch-single ['] store-single 1 0 ;
                    421: 
1.10      anton     422: : double-type ( -- xt1 xt2 n1 n2 )
1.1       anton     423:  ['] fetch-double ['] store-double 2 0 ;
                    424: 
1.10      anton     425: : float-type ( -- xt1 xt2 n1 n2 )
1.1       anton     426:  ['] fetch-float ['] store-float 0 1 ;
                    427: 
                    428: : s, ( addr u -- )
                    429: \ allocate a string
                    430:  here swap dup allot move ;
                    431: 
                    432: : starts-with ( addr u xt1 xt2 n1 n2 "prefix" -- )
                    433: \ describes a type
                    434: \ addr u specifies the C type name
                    435: \ n1 is the size of the type on the data stack
                    436: \ n2 is the size of the type on the FP stack
                    437: \ stack effect entries of the type start with prefix
                    438:  >r >r >r >r
                    439:  dup >r here >r s,
                    440:  create
                    441:  r> r> 2,
                    442:  r> r> r> , r> , swap , , ;
                    443: 
                    444: wordlist constant types
                    445: get-current
                    446: types set-current
                    447: 
                    448: s" Bool"       single-type starts-with f
                    449: s" Char"       single-type starts-with c
                    450: s" Cell"       single-type starts-with n
                    451: s" Cell"       single-type starts-with w
                    452: s" UCell"      single-type starts-with u
                    453: s" DCell"      double-type starts-with d
                    454: s" UDCell"     double-type starts-with ud
                    455: s" Float"      float-type  starts-with r
                    456: s" Cell *"     single-type starts-with a_
                    457: s" Char *"     single-type starts-with c_
                    458: s" Float *"    single-type starts-with f_
                    459: s" DFloat *"   single-type starts-with df_
                    460: s" SFloat *"   single-type starts-with sf_
                    461: s" Xt"         single-type starts-with xt
                    462: s" WID"                single-type starts-with wid
                    463: s" F83Name *"  single-type starts-with f83name
                    464: 
                    465: set-current
                    466: 
                    467: : get-type ( addr1 u1 -- type-descr )
                    468: \ get the type of the name in addr1 u1
                    469: \ type-descr is a pointer to a type-descriptor
                    470:  0 swap ?do
                    471:    dup i types search-wordlist
                    472:    if \ ok, we have the type ( addr1 xt )
                    473:      execute nip
                    474:      UNLOOP EXIT
                    475:    endif
1.9       anton     476:  -1 s+loop
1.1       anton     477:  \ we did not find a type, abort
1.8       pazsan    478:  true abort" unknown type prefix" ;
1.1       anton     479: 
                    480: : declare ( addr "name" -- )
                    481: \ remember that there is a stack item at addr called name
                    482:  create , ;
                    483: 
                    484: : declaration ( item -- )
                    485:  dup item-name 2@ items @ search-wordlist
                    486:  if \ already declared ( item xt )
                    487:    execute @ item-type @ swap item-type !
                    488:  else ( addr )
                    489:    dup item-name 2@ nextname dup declare ( addr )
                    490:    dup >r item-name 2@ 2dup get-type ( addr1 u type-descr )
                    491:    dup r> item-type ! ( addr1 u type-descr )
                    492:    type-c-name 2@ type space type ." ;" cr
                    493:  endif ;
                    494: 
                    495: : declaration-list ( addr1 addr2 -- )
                    496:  swap ?do
                    497:   i declaration
                    498:  item-descr +loop ;
                    499: 
1.8       pazsan    500: : fetch ( addr -- )
                    501:  dup item-type @ type-fetch-handler execute ;
                    502: 
1.1       anton     503: : declarations ( -- )
                    504:  wordlist dup items ! set-current
                    505:  effect-in effect-in-end @ declaration-list
                    506:  effect-out effect-out-end @ declaration-list ;
                    507: 
                    508: \ offset computation
                    509: \ the leftmost (i.e. deepest) item has offset 0
                    510: \ the rightmost item has the highest offset
                    511: 
                    512: : compute-offset ( n1 n2 item -- n3 n4 )
                    513: \ n1, n3 are data-stack-offsets
                    514: \ n2, n4 are the fp-stack-offsets
                    515:  >r
                    516:  swap dup r@ item-d-offset !
                    517:  r@ item-type @ type-d-size +
                    518:  swap dup r@ item-f-offset !
                    519:  r@ item-type @ type-f-size +
                    520:  rdrop ;
                    521: 
                    522: : compute-list ( addr1 addr2 -- n1 n2 )
                    523: \ n1, n2 are the final offsets
                    524:  0 0 2swap swap ?do
                    525:   i compute-offset
                    526:  item-descr +loop ;
                    527: 
                    528: : compute-offsets ( -- )
                    529:  effect-in effect-in-end @ compute-list effect-in-size 2!
                    530:  effect-out effect-out-end @ compute-list effect-out-size 2! ;
                    531: 
                    532: : flush-tos ( -- )
                    533:  effect-in-size 2@ effect-out-size 2@
                    534:  0<> rot 0= and
                    535:  if
1.13      anton     536:    ." IF_FTOS(fp[0] = FTOS);" cr
                    537:  endif
1.1       anton     538:  0<> swap 0= and
                    539:  if
1.13      anton     540:    ." IF_TOS(sp[0] = TOS);" cr
                    541:  endif ;
1.1       anton     542: 
                    543: : fill-tos ( -- )
                    544:  effect-in-size 2@ effect-out-size 2@
                    545:  0= rot 0<> and
                    546:  if
                    547:    ." IF_FTOS(FTOS = fp[0]);" cr
                    548:  endif
                    549:  0= swap 0<> and
                    550:  if
                    551:    ." IF_TOS(TOS = sp[0]);" cr
                    552:  endif ;
                    553: 
                    554: : fetches ( -- )
                    555:  effect-in-end @ effect-in ?do
                    556:    i fetch
                    557:  item-descr +loop ; 
                    558: 
                    559: : stack-pointer-updates ( -- )
1.8       pazsan    560: \ we need not check if an update is a noop; gcc does this for us
1.1       anton     561:  effect-in-size 2@
                    562:  effect-out-size 2@
                    563:  rot swap - ( d-in d-out f-diff )
                    564:  rot rot - ( f-diff d-diff )
1.2       pazsan    565:  ?dup IF  ." sp += " 0 .r ." ;" cr  THEN
                    566:  ?dup IF  ." fp += " 0 .r ." ;" cr  THEN ;
1.1       anton     567: 
                    568: : store ( item -- )
                    569: \ f is true if the item should be stored
                    570: \ f is false if the store is probably not necessary
                    571:  dup item-type @ type-store-handler execute ;
                    572: 
                    573: : stores ( -- )
                    574:  effect-out-end @ effect-out ?do
                    575:    i store
                    576:  item-descr +loop ; 
                    577: 
1.8       pazsan    578: : .stack-list ( start end -- )
                    579:  swap ?do
                    580:    i item-name 2@ type space
                    581:  item-descr +loop ; 
                    582: 
1.1       anton     583: : output-c ( -- )
1.2       pazsan    584:  ." I_" c-name 2@ type ." :    /* " forth-name 2@ type ."  ( " stack-string 2@ type ."  ) */" cr
1.1       anton     585:  ." /* " doc 2@ type ."  */" cr
1.13      anton     586:  ." NAME(" [char] " emit forth-name 2@ type [char] " emit ." )" cr \ debugging
1.1       anton     587:  ." {" cr
                    588:  ." DEF_CA" cr
                    589:  declarations
                    590:  compute-offsets \ for everything else
1.13      anton     591:  ." NEXT_P0;" cr
                    592:  flush-tos
1.1       anton     593:  fetches
1.13      anton     594:  stack-pointer-updates
1.1       anton     595:  ." {" cr
1.17    ! anton     596:  ." #line " c-line @ . [char] " emit c-filename 2@ type [char] " emit cr
1.1       anton     597:  c-code 2@ type
                    598:  ." }" cr
                    599:  ." NEXT_P1;" cr
                    600:  stores
                    601:  fill-tos
1.9       anton     602:  ." NEXT_P2;" cr
1.1       anton     603:  ." }" cr
                    604:  cr
                    605: ;
                    606: 
                    607: : output-label ( -- )
                    608:  ." &&I_" c-name 2@ type ." ," cr ;
                    609: 
                    610: : output-alias ( -- )
                    611:  primitive-number @ . ." alias " forth-name 2@ type cr
                    612:  -1 primitive-number +! ;
                    613: 
1.8       pazsan    614: : output-forth ( -- )
                    615:  forth-code @ 0=
                    616:  IF    output-alias
                    617:  ELSE  ." : " forth-name 2@ type ."   ( "
                    618:        effect-in effect-in-end @ .stack-list ." -- "
                    619:        effect-out effect-out-end @ .stack-list ." )" cr
                    620:        forth-code 2@ type cr
                    621:        -1 primitive-number +!
1.10      anton     622:  THEN ;
                    623: 
1.17    ! anton     624: : output-tag-file ( -- )
        !           625:     name-filename 2@ last-name-filename 2@ compare if
        !           626:        name-filename 2@ last-name-filename 2!
        !           627:        #ff emit cr
        !           628:        name-filename 2@ type
        !           629:        ." ,0" cr
        !           630:     endif ;
        !           631: 
        !           632: : output-tag ( -- )
        !           633:     output-tag-file
        !           634:     forth-name 2@ 1+ type
        !           635:     127 emit
        !           636:     space forth-name 2@ type space
        !           637:     1 emit
        !           638:     name-line @ 0 .r
        !           639:     ." ,0" cr ;
        !           640: 
1.10      anton     641: [IFDEF] documentation
                    642: : register-doc ( -- )
                    643:     get-current documentation set-current
                    644:     forth-name 2@ nextname create
                    645:     forth-name 2@ 2,
1.15      anton     646:     stack-string 2@ condition-stack-effect 2,
1.10      anton     647:     wordset 2@ 2,
1.15      anton     648:     c-name 2@ condition-pronounciation 2,
1.10      anton     649:     doc 2@ 2,
                    650:     set-current ;
                    651: [THEN]
1.8       pazsan    652: 
1.1       anton     653: : process-file ( addr u xt -- )
1.17    ! anton     654:     >r
        !           655:     2dup filename 2!
        !           656:     r/o open-file abort" cannot open file"
        !           657:     warnings @ if
        !           658:        ." ------------ CUT HERE -------------" cr  endif
        !           659:     r> primfilter ;
1.5       pazsan    660: 

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