gforth/struct.fs - diff

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version 1.2, 1994/07/29 11:16:26	version 1.3, 1995/02/23 20:17:25
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