[gforth] / gforth / cross.fs  

gforth: gforth/cross.fs

Diff for /gforth/cross.fs between version 1.12 and 1.13

version 1.12, Fri Sep 9 16:27:17 1994 UTC version 1.13, Mon Sep 12 19:00:27 1994 UTC
Line 40 
Line 40 
 0 GhostNames !  0 GhostNames !
 : GhostName ( -- addr )  : GhostName ( -- addr )
         here GhostNames @ , GhostNames ! here 0 ,          here GhostNames @ , GhostNames ! here 0 ,
         name count          bl word count
 \        2dup type space  \        2dup type space
         dup c, here over chars allot swap move align ;          dup c, here over chars allot swap move align ;
   
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 \ Parameter for target systems                         06oct92py  \ Parameter for target systems                         06oct92py
   
 include-file  included
   
 >TARGET  >TARGET
   
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 \ searches for string in word-list ghosts  \ searches for string in word-list ghosts
 \ !! wouldn't it be simpler to just use search-wordlist ? ae  \ !! wouldn't it be simpler to just use search-wordlist ? ae
   dup count [ ' ghosts >body ] ALiteral search-wordlist    dup count [ ' ghosts >body ] ALiteral search-wordlist
 \ >r get-order  0 set-order also ghosts  r> find >r >r    dup IF  >r >body nip r>  THEN ;
   >r r@ IF  >body nip  THEN  r> ;  
 \ set-order  r> r@  IF  >body  THEN  r> ;  
   
 VARIABLE Already  VARIABLE Already
   
 : ghost   ( "name" -- ghost )  : ghost   ( "name" -- ghost )
   Already off    Already off
   >in @  name gfind   IF  Already on nip EXIT  THEN    >in @  bl word gfind   IF  Already on nip EXIT  THEN
   drop  >in !  Make-Ghost ;    drop  >in !  Make-Ghost ;
   
 \ resolve                                              14oct92py  \ resolve                                              14oct92py
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 : string,  ( addr count -- )  : string,  ( addr count -- )
   dup T c, H bounds  DO  I c@ T c, H  LOOP ;    dup T c, H bounds  DO  I c@ T c, H  LOOP ;
 : name,  ( "name" -- )  name count string, T align H ;  : name,  ( "name" -- )  bl word count string, T align H ;
 : view,   ( -- ) ( dummy ) ;  : view,   ( -- ) ( dummy ) ;
   
 VARIABLE CreateFlag CreateFlag off  VARIABLE CreateFlag CreateFlag off
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 : compile  ( -- ) \ name  : compile  ( -- ) \ name
   restrict?    restrict?
   name gfind dup 0= ABORT" CROSS: Can't compile "    bl word gfind dup 0= ABORT" CROSS: Can't compile "
   0> ( immediate? )    0> ( immediate? )
   IF    >exec @ compile,    IF    >exec @ compile,
   ELSE  postpone literal postpone gexecute  THEN ;    ELSE  postpone literal postpone gexecute  THEN ;
                                         immediate                                          immediate
   
 >TARGET  >TARGET
 : '  ( -- cfa ) name gfind 0= ABORT" CROSS: undefined "  : '  ( -- cfa ) bl word gfind 0= ABORT" CROSS: undefined "
   dup >magic @ <fwd> = ABORT" CROSS: forward " >link @ ;    dup >magic @ <fwd> = ABORT" CROSS: forward " >link @ ;
   
 Cond: [']  compile lit ghost gexecute ;Cond  Cond: [']  compile lit ghost gexecute ;Cond
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 : ] state on  : ] state on
     BEGIN      BEGIN
         BEGIN >in @ name          BEGIN >in @ bl word
               dup c@ 0= WHILE 2drop refill 0=                dup c@ 0= WHILE 2drop refill 0=
               ABORT" CROSS: End of file while target compiling"                ABORT" CROSS: End of file while target compiling"
         REPEAT          REPEAT
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 \ compile must be last                                 22feb93py  \ compile must be last                                 22feb93py
   
 Cond: compile ( -- ) restrict? \ name  Cond: compile ( -- ) restrict? \ name
       name gfind dup 0= ABORT" CROSS: Can't compile"        bl word gfind dup 0= ABORT" CROSS: Can't compile"
       0> IF    gexecute        0> IF    gexecute
          ELSE  dup >magic @ <imm> =           ELSE  dup >magic @ <imm> =
                IF   gexecute                 IF   gexecute
                ELSE compile (compile) gexecute THEN THEN ;Cond                 ELSE compile (compile) gexecute THEN THEN ;Cond
   
 Cond: postpone ( -- ) restrict? \ name  Cond: postpone ( -- ) restrict? \ name
       name gfind dup 0= ABORT" CROSS: Can't compile"        bl word gfind dup 0= ABORT" CROSS: Can't compile"
       0> IF    gexecute        0> IF    gexecute
          ELSE  dup >magic @ <imm> =           ELSE  dup >magic @ <imm> =
                IF   gexecute                 IF   gexecute
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 \ define new [IFDEF] and [IFUNDEF]                      20may93jaw  \ define new [IFDEF] and [IFUNDEF]                      20may93jaw
   
 : there? name gfind IF >magic @ <fwd> <> ELSE drop false THEN ;  : there? bl word gfind IF >magic @ <fwd> <> ELSE drop false THEN ;
   
 : [IFDEF] there? postpone [IF] ;  : [IFDEF] there? postpone [IF] ;
 : [IFUNDEF] there? 0= postpone [IF] ;  : [IFUNDEF] there? 0= postpone [IF] ;
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 : * * ;         : / / ;  : * * ;         : / / ;
 : dup dup ;     : over over ;  : dup dup ;     : over over ;
 : swap swap ;   : rot rot ;  : swap swap ;   : rot rot ;
   : drop drop ;
   : lshift lshift ; : 2/ 2/ ;
   cell constant cell
   
 \ include bug5.fs  \ include bug5.fs
 \ only forth also minimal definitions  \ only forth also minimal definitions

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