version 1.16, 2000/09/23 15:46:59
|
version 1.19, 2001/01/19 21:07:05
|
Line 18
|
Line 18
|
\ along with this program; if not, write to the Free Software |
\ along with this program; if not, write to the Free Software |
\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
\ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
|
|
|
require glocals.fs |
|
|
' require alias needs ( ... "name" -- ... ) \ gforth |
' require alias needs ( ... "name" -- ... ) \ gforth |
\G An alias for @code{require}; exists on other systems (e.g., Win32Forth). |
\G An alias for @code{require}; exists on other systems (e.g., Win32Forth). |
Line 70 AUser CSP
|
Line 71 AUser CSP
|
|
|
: in-return-stack? ( addr -- f ) |
: in-return-stack? ( addr -- f ) |
rp0 @ swap - [ forthstart 6 cells + ]L @ u< ; |
rp0 @ swap - [ forthstart 6 cells + ]L @ u< ; |
|
|
|
\ const-does> |
|
|
|
: compile-literals ( w*u u -- ; run-time: -- w*u ) recursive |
|
\ compile u literals, starting with the bottommost one |
|
?dup-if |
|
swap >r 1- compile-literals |
|
r> POSTPONE literal |
|
endif ; |
|
|
|
: compile-fliterals ( r*u u -- ; run-time: -- w*u ) recursive |
|
\ compile u fliterals, starting with the bottommost one |
|
?dup-if |
|
{ F: r } 1- compile-fliterals |
|
r POSTPONE fliteral |
|
endif ; |
|
|
|
: (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 } |
|
header docol: cfa, \ start colon def without stack junk |
|
ur compile-fliterals uw compile-literals |
|
target compile, POSTPONE exit reveal ; |
|
|
|
: 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 |
|
POSTPONE (const-does>) |
|
POSTPONE ; |
|
noname : POSTPONE rdrop |
|
lastxt r> cell+ ! \ patch the literal |
|
; immediate |
|
|
|
: slurp-file ( c-addr1 u1 -- c-addr2 u2 ) |
|
\ c-addr1 u1 is the filename, c-addr2 u2 is the file's contents |
|
r/o bin open-file throw >r |
|
r@ file-size throw abort" file too large" |
|
dup allocate throw swap |
|
2dup r@ read-file throw over <> abort" could not read whole file" |
|
r> close-file throw ; |
|
|