| \ const-does> |
\ const-does> |
| |
|
| : compile-literals ( w*u u -- ; run-time: -- w*u ) recursive |
: compile-literals ( w*u u -- ; run-time: -- w*u ) recursive |
| |
\ compile u literals, starting with the bottommost one |
| ?dup-if |
?dup-if |
| swap >r 1- compile-literals |
swap >r 1- compile-literals |
| r> POSTPONE literal |
r> POSTPONE literal |
| endif ; |
endif ; |
| |
|
| : compile-fliterals ( r*u u -- ; run-time: -- w*u ) recursive |
: compile-fliterals ( r*u u -- ; run-time: -- w*u ) recursive |
| |
\ compile u fliterals, starting with the bottommost one |
| ?dup-if |
?dup-if |
| { F: r } 1- compile-fliterals |
{ F: r } 1- compile-fliterals |
| r POSTPONE fliteral |
r POSTPONE fliteral |
| endif ; |
endif ; |
| |
|
| : (const-does>) ( w*uw r*ur uw ur target "name" -- ) |
: (const-does>) ( w*uw r*ur uw ur target "name" -- ) |
| |
\ define a colon definition "name" containing w*uw r*ur as |
| |
\ literals and a call to target. |
| { uw ur target } |
{ uw ur target } |
| header docol: cfa, \ start colon def without stack junk |
header docol: cfa, \ start colon def without stack junk |
| ur compile-fliterals uw compile-literals |
ur compile-fliterals uw compile-literals |
| target compile, POSTPONE exit reveal ; |
target compile, POSTPONE exit reveal ; |
| |
|
| : const-does> ( run-time: w*uw r*ur uw ur "name" -- ) |
: const-does> ( run-time: w*uw r*ur uw ur "name" -- ) |
| |
\G Defines @var{name} and returns.@sp 0 |
| |
\G @var{name} execution: pushes @var{w*uw r*ur}, then performs the |
| |
\G code following the @code{const-does>}. |
| here >r 0 POSTPONE literal |
here >r 0 POSTPONE literal |
| POSTPONE (const-does>) |
POSTPONE (const-does>) |
| POSTPONE ; |
POSTPONE ; |
