[gforth] / gforth / cross.fs  

gforth: gforth/cross.fs

Diff for /gforth/cross.fs between version 1.78 and 1.79

version 1.78, Tue May 18 14:38:49 1999 UTC version 1.79, Thu May 20 13:28:20 1999 UTC
Line 646 
Line 646 
 0 GhostNames !  0 GhostNames !
   
 : GhostName ( -- addr )  : GhostName ( -- addr )
     here GhostNames @ , GhostNames ! here 0 ,      align here GhostNames @ , GhostNames ! here 0 ,
     bl word count      bl word count
     \ 2dup type space      \ 2dup type space
     string, \ !! cfalign ?      string, \ !! cfalign ?
Line 927 
Line 927 
   dup >rstart @ swap >rdp @ over - ;    dup >rstart @ swap >rdp @ over - ;
   
 : area ( region -- startaddr totallen ) \G returns the total area  : area ( region -- startaddr totallen ) \G returns the total area
   dup >rstart swap >rlen @ ;    dup >rstart @ swap >rlen @ ;
   
 : mirrored                              \G mark a region as mirrored  : mirrored                              \G mark a region as mirrored
   mirrored-link    mirrored-link
Line 1489 
Line 1489 
   ELSE  drop    ELSE  drop
   THEN ;    THEN ;
   
 >MINIMAL  
 : .unresolved  ( -- )  : .unresolved  ( -- )
   ResolveFlag off cr ." Unresolved: "    ResolveFlag off cr ." Unresolved: "
   Ghostnames    Ghostnames
Line 1508 
Line 1507 
   cr ." named Headers: " headers-named @ .    cr ." named Headers: " headers-named @ .
   r> base ! ;    r> base ! ;
   
   >MINIMAL
   
   : .unresolved .unresolved ;
   
 >CROSS  >CROSS
 \ Header states                                        12dec92py  \ Header states                                        12dec92py
   
Line 1604 
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 Defer skip? ' false IS skip?  Defer skip? ' false IS skip?
   
 : skipdef ( <name> -- )  : skipdef ( <name> -- )
 \G skip definition of an undefined word in undef-words mode  \G skip definition of an undefined word in undef-words and
   \G all-words mode
     ghost dup forward?      ghost dup forward?
     IF  >magic <skip> swap !      IF  >magic <skip> swap !
     ELSE drop THEN ;      ELSE drop THEN ;
Line 1617 
Line 1621 
 \G that's what we want  \G that's what we want
     ghost forward? 0= ;      ghost forward? 0= ;
   
   : forced? ( -- flag ) \ name
   \G return ture if it is a foreced skip with defskip
       ghost >magic @ <skip> = ;
   
 : needed? ( -- flag ) \ name  : needed? ( -- flag ) \ name
 \G returns a false flag when  \G returns a false flag when
 \G a word is not defined  \G a word is not defined
Line 2347 
Line 2355 
 \ LINKED ERR" ENV" 2ENV"                                18may93jaw  \ LINKED ERR" ENV" 2ENV"                                18may93jaw
   
 \ linked list primitive  \ linked list primitive
 : linked        T here over @ A, swap ! H ;  : linked        X here over X @ X A, swap X ! ;
 : chained       T linked A, H ;  : chained       T linked A, H ;
   
 : err"   s" ErrLink linked" evaluate T , H  : err"   s" ErrLink linked" evaluate T , H
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 : 2/ 2/ ;  : 2/ 2/ ;
 : . . ;  : . . ;
   
 : all-words    ['] false    IS skip? ;  : all-words    ['] forced?    IS skip? ;
 : needed-words ['] needed?  IS skip? ;  : needed-words ['] needed?  IS skip? ;
 : undef-words  ['] defined2? IS skip? ;  : undef-words  ['] defined2? IS skip? ;
 : skipdef skipdef ;  : skipdef skipdef ;

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