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Diff for /gforth/struct.fs between versions 1.2 and 1.6

version 1.2, 1994/07/29 11:16:26 version 1.6, 1995/09/06 21:00:30
Line 16 Line 16
 \ addr2 is the aligned version of addr1 wrt the alignment size n  \ addr2 is the aligned version of addr1 wrt the alignment size n
  1- tuck +  swap invert and ;   1- tuck +  swap invert and ;
   
 : create-field ( offset1 align1 size align -- offset2 align2 )  : field ( offset1 align1 size align -- offset2 align2 )
 \ note: this version uses local variables  \ note: this version uses local variables
      create       Header reveal -7 ( [ :dostruc ] Literal ) cfa,
         >r rot r@ nalign  dup ,  ( align1 size offset )          >r rot r@ nalign  dup ,  ( align1 size offset )
         + swap r> nalign ;          + swap r> nalign ;
   
Line 27 Line 27
   
 0 1 chars end-struct struct  0 1 chars end-struct struct
   
 : field  ( offset1 align1 size align -- offset2 align2 )  \ : field  ( offset1 align1 size align -- offset2 align2 )
     create-field  \    create-field
     does> ( addr1 -- addr2 )  \    does> ( addr1 -- addr2 )
         @ + ;  \       @ + ;
   
 \ I don't really like the "type:" syntax. Any other ideas? - anton  \ I don't really like the "type:" syntax. Any other ideas? - anton
 \ Also, this seems to be somewhat general. It probably belongs to some  \ Also, this seems to be somewhat general. It probably belongs to some
Line 47 Line 47
 : floats: ( n -- size align )  : floats: ( n -- size align )
     floats 1 floats ;      floats 1 floats ;
   
 \ dfoats and sfloats is not yet defined  : dfloats: ( n -- size align )
 \ : dfloats: ( n -- size align )      dfloats 1 dfloats ;
 \     dfloats 1 dfloats ;  
 \   : sfloats: ( n -- size align )
 \ : sfloats: ( n -- size align )      sfloats 1 sfloats ;
 \     sfloats 1 sfloats ;  
   
 : struct-align ( size align -- )  : struct-align ( size align -- )
     dp @ swap nalign dp !      dp @ swap nalign dp !
Line 62 Line 61
     over swap struct-align      over swap struct-align
     here swap allot ;      here swap allot ;
   
 : struct-allocate ( size align -- addr )  : struct-allocate ( size align -- addr ior )
     drop allocate ;      drop allocate ;
Removed from v.1.2  
changed lines
  Added in v.1.6

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