| create field, ; |
create field, ; |
| |
|
| : field ( align1 offset1 align size "name" -- align2 offset2 ) \ gforth |
: field ( align1 offset1 align size "name" -- align2 offset2 ) \ gforth |
| \G @code{name} execution: @var{addr1} -- @var{addr2}. |
\g Create a field @var{name} with offset @var{offset1}, and the type |
| |
\g given by @var{align size}. @var{offset2} is the offset of the |
| |
\g next field, and @var{align2} is the alignment of all fields.@* |
| |
\g @code{name} execution: @var{addr1} -- @var{addr2}.@* |
| |
\g @var{addr2}=@var{addr1}+@var{offset1} |
| 2 pick |
2 pick |
| if \ field offset <> 0 |
if \ field offset <> 0 |
| [IFDEF] (Field) |
[IFDEF] (Field) |
| field, ; |
field, ; |
| |
|
| : end-struct ( align size "name" -- ) \ gforth |
: end-struct ( align size "name" -- ) \ gforth |
| \g @code{name} execution: @var{addr1} -- @var{addr1+offset1}@* |
\g Define a structure/type descriptor @var{name} with alignment |
| \g Create a field @var{name} with offset @var{offset1}, and the type |
\g @var{align} and size @var{size1} (@var{size} rounded up to be a |
| \g given by @var{size align}. @var{offset2} is the offset of the |
\g multiple of @var{align}).@* |
| \g next field, and @var{align2} is the alignment of all fields. |
\g @code{name} execution: -- @var{align size1}@* |
| over nalign \ pad size to full alignment |
over nalign \ pad size to full alignment |
| 2constant ; |
2constant ; |
| |
|
