version 1.90, 2001/03/11 21:47:27
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version 1.107, 2002/08/07 10:11:18
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Line 41
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Line 41
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\ regarding problem 1 above: It would be better (for over) to implement |
\ regarding problem 1 above: It would be better (for over) to implement |
\ the alternative |
\ the alternative |
\ store optimization for combined instructions. |
\ store optimization for combined instructions. |
\ eliminate stack-cast (no longer used) |
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\ Design Uglyness: |
\ Design Uglyness: |
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Line 54
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Line 53
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warnings off |
warnings off |
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[IFUNDEF] vocabulary \ we are executed just with kernel image |
[IFUNDEF] try |
\ load the rest that is needed |
include startup.fs |
\ (require fails because this file is needed from a |
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\ different directory with the wordlibraries) |
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include ./search.fs |
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include ./extend.fs |
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include ./stuff.fs |
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[THEN] |
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[IFUNDEF] environment? |
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include ./environ.fs |
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[THEN] |
[THEN] |
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: struct% struct ; \ struct is redefined in gray |
: struct% struct ; \ struct is redefined in gray |
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warnings off |
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include ./gray.fs |
include ./gray.fs |
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32 constant max-effect \ number of things on one side of a stack effect |
32 constant max-effect \ number of things on one side of a stack effect |
Line 142 struct%
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Line 134 struct%
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cell% field stack-number \ the number of this stack |
cell% field stack-number \ the number of this stack |
cell% 2* field stack-pointer \ stackpointer name |
cell% 2* field stack-pointer \ stackpointer name |
cell% field stack-type \ name for default type of stack items |
cell% field stack-type \ name for default type of stack items |
cell% 2* field stack-cast \ cast string for assignments to stack elements |
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cell% field stack-in-index-xt \ ( in-size item -- in-index ) |
cell% field stack-in-index-xt \ ( in-size item -- in-index ) |
end-struct stack% |
end-struct stack% |
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Line 171 create stacks max-stacks cells allot \ a
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Line 162 create stacks max-stacks cells allot \ a
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: inst-in-index ( in-size item -- in-index ) |
: inst-in-index ( in-size item -- in-index ) |
nip dup item-offset @ swap item-type @ type-size @ + 1- ; |
nip dup item-offset @ swap item-type @ type-size @ + 1- ; |
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: make-stack ( addr-ptr u1 type addr-cast u2 "stack-name" -- ) |
: make-stack ( addr-ptr u1 type "stack-name" -- ) |
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next-stack-number @ max-stacks < s" too many stacks" ?print-error |
create stack% %allot >r |
create stack% %allot >r |
r@ stacks next-stack-number @ th ! |
r@ stacks next-stack-number @ th ! |
next-stack-number @ r@ stack-number ! 1 next-stack-number +! |
next-stack-number @ r@ stack-number ! |
save-mem r@ stack-cast 2! |
1 next-stack-number +! |
r@ stack-type ! |
r@ stack-type ! |
save-mem r@ stack-pointer 2! |
save-mem r@ stack-pointer 2! |
['] stack-in-index r> stack-in-index-xt ! ; |
['] stack-in-index r> stack-in-index-xt ! ; |
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: map-stacks { xt -- } |
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\ perform xt for all stacks except inst-stream |
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next-stack-number @ 1 +do |
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stacks i th @ xt execute |
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loop ; |
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\ stack items |
\ stack items |
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: init-item ( addr u addr1 -- ) |
: init-item ( addr u addr1 -- ) |
Line 314 defer inst-stream-f ( -- stack )
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Line 312 defer inst-stream-f ( -- stack )
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item-stack @ stack-type @ type-c-name 2@ ; |
item-stack @ stack-type @ type-c-name 2@ ; |
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: fetch-single ( item -- ) |
: fetch-single ( item -- ) |
\ fetch a single stack item from its stack |
\ fetch a single stack item from its stack |
>r |
>r |
r@ item-name 2@ type |
." vm_" r@ item-stack-type-name type |
." = vm_" r@ item-stack-type-name type |
." 2" r@ item-type @ print-type-prefix ." (" |
." 2" r@ item-type @ print-type-prefix ." (" |
r@ item-in-index r@ item-stack @ stack-access ." ," |
r@ item-in-index r@ item-stack @ stack-access |
r@ item-name 2@ type |
." );" cr |
." );" cr |
rdrop ; |
rdrop ; |
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: fetch-double ( item -- ) |
: fetch-double ( item -- ) |
\ fetch a double stack item from its stack |
\ fetch a double stack item from its stack |
>r |
>r |
." vm_two" |
." vm_two" |
r@ item-stack-type-name type ." 2" |
r@ item-stack-type-name type ." 2" |
r@ item-type @ print-type-prefix ." (" |
r@ item-type @ print-type-prefix ." (" |
r@ item-name 2@ type ." , " |
r@ item-in-index r@ item-stack @ 2dup ." (Cell)" stack-access |
r@ item-in-index r@ item-stack @ 2dup ." (Cell)" stack-access |
." , " -1 under+ ." (Cell)" stack-access |
." , " -1 under+ ." (Cell)" stack-access |
." , " r@ item-name 2@ type |
." );" cr |
." )" cr |
rdrop ; |
rdrop ; |
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: same-as-in? ( item -- f ) |
: same-as-in? ( item -- f ) |
\ f is true iff the offset and stack of item is the same as on input |
\ f is true iff the offset and stack of item is the same as on input |
Line 357 defer inst-stream-f ( -- stack )
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Line 355 defer inst-stream-f ( -- stack )
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>r r@ item-stack @ stack-out @ r> item-offset @ - 1- ; |
>r r@ item-stack @ stack-out @ r> item-offset @ - 1- ; |
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: really-store-single ( item -- ) |
: really-store-single ( item -- ) |
>r |
>r |
r@ item-out-index r@ item-stack @ stack-access ." = vm_" |
." vm_" |
r@ item-type @ print-type-prefix ." 2" |
r@ item-type @ print-type-prefix ." 2" |
r@ item-stack-type-name type ." (" |
r@ item-stack-type-name type ." (" |
r@ item-name 2@ type ." );" |
r@ item-name 2@ type ." ," |
rdrop ; |
r@ item-out-index r@ item-stack @ stack-access ." );" |
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rdrop ; |
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: store-single ( item -- ) |
: store-single ( item -- ) |
>r |
>r |
Line 387 defer inst-stream-f ( -- stack )
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Line 386 defer inst-stream-f ( -- stack )
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r@ item-name 2@ type ." , " |
r@ item-name 2@ type ." , " |
r@ item-out-index r@ item-stack @ 2dup stack-access |
r@ item-out-index r@ item-stack @ 2dup stack-access |
." , " -1 under+ stack-access |
." , " -1 under+ stack-access |
." );" cr |
." )" cr |
rdrop ; |
rdrop ; |
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: single ( -- xt1 xt2 n ) |
: single ( -- xt1 xt2 n ) |
Line 425 wordlist constant prefixes
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Line 424 wordlist constant prefixes
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stack r@ type-stack ! |
stack r@ type-stack ! |
rdrop ; |
rdrop ; |
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: type-prefix ( xt1 xt2 n stack "prefix" -- ) |
: type-prefix ( addr u xt1 xt2 n stack "prefix" -- ) |
create-type |
get-current >r prefixes set-current |
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create-type r> set-current |
does> ( item -- ) |
does> ( item -- ) |
\ initialize item |
\ initialize item |
{ item typ } |
{ item typ } |
Line 476 does> ( item -- )
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Line 476 does> ( item -- )
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prim prim-effect-out prim prim-effect-out-end @ ['] print-declaration map-items ; |
prim prim-effect-out prim prim-effect-out-end @ ['] print-declaration map-items ; |
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: stack-prefix ( stack "prefix" -- ) |
: stack-prefix ( stack "prefix" -- ) |
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get-current >r prefixes set-current |
name tuck nextname create ( stack length ) 2, |
name tuck nextname create ( stack length ) 2, |
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r> set-current |
does> ( item -- ) |
does> ( item -- ) |
2@ { item stack prefix-length } |
2@ { item stack prefix-length } |
item item-name 2@ prefix-length /string item item-name 2! |
item item-name 2@ prefix-length /string item item-name 2! |
Line 485 does> ( item -- )
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Line 487 does> ( item -- )
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\ types pointed to by stacks for use in combined prims |
\ types pointed to by stacks for use in combined prims |
\ !! output-c-combined shouldn't use these names! |
\ !! output-c-combined shouldn't use these names! |
s" Cell" single 0 create-type w |
: stack-type-name ( addr u "name" -- ) |
s" Float" single 0 create-type r |
single 0 create-type ; |
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wordlist constant type-names \ this is here just to meet the requirement |
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\ that a type be a word; it is never used for lookup |
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s" sp" save-mem w s" (Cell)" make-stack data-stack |
: stack ( "name" "stack-pointer" "type" -- ) |
s" fp" save-mem r s" " make-stack fp-stack |
\ define stack |
s" rp" save-mem w s" (Cell)" make-stack return-stack |
name { d: stack-name } |
s" IP" save-mem w s" error don't use # on results" make-stack inst-stream |
name { d: stack-pointer } |
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name { d: stack-type } |
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get-current type-names set-current |
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stack-type 2dup nextname stack-type-name |
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set-current |
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stack-pointer lastxt >body stack-name nextname make-stack ; |
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stack inst-stream IP Cell |
' inst-in-index inst-stream stack-in-index-xt ! |
' inst-in-index inst-stream stack-in-index-xt ! |
' inst-stream <is> inst-stream-f |
' inst-stream <is> inst-stream-f |
\ !! initialize stack-in and stack-out |
\ !! initialize stack-in and stack-out |
Line 516 s" IP" save-mem w s" error don't use # o
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Line 528 s" IP" save-mem w s" error don't use # o
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dup stack-in off stack-out off ; |
dup stack-in off stack-out off ; |
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: compute-offsets ( -- ) |
: compute-offsets ( -- ) |
data-stack clear-stack fp-stack clear-stack return-stack clear-stack |
['] clear-stack map-stacks |
inst-stream clear-stack |
inst-stream clear-stack |
prim prim-effect-in prim prim-effect-in-end @ ['] compute-offset-in map-items |
prim prim-effect-in prim prim-effect-in-end @ ['] compute-offset-in map-items |
prim prim-effect-out prim prim-effect-out-end @ ['] compute-offset-out map-items |
prim prim-effect-out prim prim-effect-out-end @ ['] compute-offset-out map-items |
Line 536 s" IP" save-mem w s" error don't use # o
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Line 548 s" IP" save-mem w s" error don't use # o
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endif ; |
endif ; |
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: flush-tos ( -- ) |
: flush-tos ( -- ) |
data-stack flush-a-tos |
['] flush-a-tos map-stacks ; |
fp-stack flush-a-tos |
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return-stack flush-a-tos ; |
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: fill-a-tos { stack -- } |
: fill-a-tos { stack -- } |
stack stack-out @ 0= stack stack-in @ 0<> and |
stack stack-out @ 0= stack stack-in @ 0<> and |
Line 549 s" IP" save-mem w s" error don't use # o
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Line 559 s" IP" save-mem w s" error don't use # o
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: fill-tos ( -- ) |
: fill-tos ( -- ) |
\ !! inst-stream for prefetching? |
\ !! inst-stream for prefetching? |
fp-stack fill-a-tos |
['] fill-a-tos map-stacks ; |
data-stack fill-a-tos |
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return-stack fill-a-tos ; |
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: fetch ( addr -- ) |
: fetch ( addr -- ) |
dup item-type @ type-fetch @ execute ; |
dup item-type @ type-fetch @ execute ; |
Line 573 s" IP" save-mem w s" error don't use # o
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Line 581 s" IP" save-mem w s" error don't use # o
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: stack-pointer-updates ( -- ) |
: stack-pointer-updates ( -- ) |
inst-pointer-update |
inst-pointer-update |
data-stack stack-pointer-update |
['] stack-pointer-update map-stacks ; |
fp-stack stack-pointer-update |
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return-stack stack-pointer-update ; |
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: store ( item -- ) |
: store ( item -- ) |
\ f is true if the item should be stored |
\ f is true if the item should be stored |
Line 585 s" IP" save-mem w s" error don't use # o
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Line 591 s" IP" save-mem w s" error don't use # o
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: stores ( -- ) |
: stores ( -- ) |
prim prim-effect-out prim prim-effect-out-end @ ['] store map-items ; |
prim prim-effect-out prim prim-effect-out-end @ ['] store map-items ; |
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: print-debug-arg { item -- } |
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." fputs(" quote space item item-name 2@ type ." =" quote ." , vm_out); " |
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." printarg_" item item-type @ print-type-prefix |
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." (" item item-name 2@ type ." );" cr ; |
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: print-debug-args ( -- ) |
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." #ifdef VM_DEBUG" cr |
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." if (vm_debug) {" cr |
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prim prim-effect-in prim prim-effect-in-end @ ['] print-debug-arg map-items |
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\ ." fputc('\n', vm_out);" cr |
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." }" cr |
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." #endif" cr ; |
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: print-debug-result { item -- } |
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item item-first @ if |
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item print-debug-arg |
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endif ; |
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: print-debug-results ( -- ) |
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cr |
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." #ifdef VM_DEBUG" cr |
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." if (vm_debug) {" cr |
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." fputs(" quote ." -- " quote ." , vm_out); " |
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prim prim-effect-out prim prim-effect-out-end @ ['] print-debug-result map-items |
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." fputc('\n', vm_out);" cr |
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." }" cr |
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." #endif" cr ; |
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: output-super-end ( -- ) |
: output-super-end ( -- ) |
prim prim-c-code 2@ s" SET_IP" search if |
prim prim-c-code 2@ s" SET_IP" search if |
." SUPER_END;" cr |
." SUPER_END;" cr |
Line 594 s" IP" save-mem w s" error don't use # o
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Line 628 s" IP" save-mem w s" error don't use # o
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: output-c-tail ( -- ) |
: output-c-tail ( -- ) |
\ the final part of the generated C code |
\ the final part of the generated C code |
output-super-end |
output-super-end |
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print-debug-results |
." NEXT_P1;" cr |
." NEXT_P1;" cr |
stores |
stores |
fill-tos |
fill-tos |
Line 612 s" IP" save-mem w s" error don't use # o
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Line 647 s" IP" save-mem w s" error don't use # o
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repeat |
repeat |
2drop type ; |
2drop type ; |
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: print-debug-arg { item -- } |
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." fputs(" quote space item item-name 2@ type ." =" quote ." , vm_out); " |
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." printarg_" item item-type @ print-type-prefix |
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." (" item item-name 2@ type ." );" cr ; |
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: print-debug-args ( -- ) |
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." #ifdef VM_DEBUG" cr |
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." if (vm_debug) {" cr |
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prim prim-effect-in prim prim-effect-in-end @ ['] print-debug-arg map-items |
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." fputc('\n', vm_out);" cr |
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." }" cr |
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." #endif" cr ; |
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: print-entry ( -- ) |
: print-entry ( -- ) |
." I_" prim prim-c-name 2@ type ." :" ; |
." LABEL(" prim prim-c-name 2@ type ." ):" ; |
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: output-c ( -- ) |
: output-c ( -- ) |
print-entry ." /* " prim prim-name 2@ type ." ( " prim prim-stack-string 2@ type ." ) */" cr |
print-entry ." /* " prim prim-name 2@ type ." ( " prim prim-stack-string 2@ type ." ) */" cr |
Line 651 s" IP" save-mem w s" error don't use # o
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Line 673 s" IP" save-mem w s" error don't use # o
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: disasm-arg { item -- } |
: disasm-arg { item -- } |
item item-stack @ inst-stream = if |
item item-stack @ inst-stream = if |
." fputc(' ', vm_out); " |
." {" cr |
." printarg_" item item-type @ print-type-prefix |
item print-declaration |
." ((" item item-type @ type-c-name 2@ type ." )" |
item fetch |
." ip[" item item-offset @ 1+ 0 .r ." ]);" cr |
item print-debug-arg |
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." }" cr |
endif ; |
endif ; |
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: disasm-args ( -- ) |
: disasm-args ( -- ) |
Line 662 s" IP" save-mem w s" error don't use # o
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Line 685 s" IP" save-mem w s" error don't use # o
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: output-disasm ( -- ) |
: output-disasm ( -- ) |
\ generate code for disassembling VM instructions |
\ generate code for disassembling VM instructions |
." if (ip[0] == prim[" function-number @ 0 .r ." ]) {" cr |
." if (VM_IS_INST(*ip, " function-number @ 0 .r ." )) {" cr |
." fputs(" quote prim prim-name 2@ type quote ." , vm_out);" cr |
." fputs(" quote prim prim-name 2@ type quote ." , vm_out);" cr |
disasm-args |
disasm-args |
." ip += " inst-stream stack-in @ 1+ 0 .r ." ;" cr |
." ip += " inst-stream stack-in @ 1+ 0 .r ." ;" cr |
." } else " ; |
." goto _endif_;" cr |
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." }" cr ; |
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: output-profile ( -- ) |
: output-profile ( -- ) |
\ generate code for postprocessing the VM block profile stuff |
\ generate code for postprocessing the VM block profile stuff |
." if (VM_IS_INST(*ip, " function-number @ 0 .r ." )) {" cr |
." if (VM_IS_INST(*ip, " function-number @ 0 .r ." )) {" cr |
." add_inst(b, " quote prim prim-name 2@ type quote ." );" cr |
." add_inst(b, " quote prim prim-name 2@ type quote ." );" cr |
." ip += " inst-stream stack-in @ 1+ 0 .r ." ;" cr |
." ip += " inst-stream stack-in @ 1+ 0 .r ." ;" cr |
prim prim-c-code 2@ s" SET_IP" search nip nip |
prim prim-c-code 2@ s" SET_IP" search nip nip |
prim prim-c-code 2@ s" SUPER_END" search nip nip or if |
prim prim-c-code 2@ s" SUPER_END" search nip nip or if |
." return;" cr |
." return;" cr |
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else |
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." goto _endif_;" cr |
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endif |
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." }" cr ; |
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: output-profile-combined ( -- ) |
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\ generate code for postprocessing the VM block profile stuff |
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." if (VM_IS_INST(*ip, " function-number @ 0 .r ." )) {" cr |
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num-combined @ 0 +do |
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." add_inst(b, " quote |
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combined-prims i th @ prim-name 2@ type |
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quote ." );" cr |
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loop |
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." ip += " inst-stream stack-in @ 1+ 0 .r ." ;" cr |
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combined-prims num-combined @ 1- th @ prim-c-code 2@ s" SET_IP" search nip nip |
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combined-prims num-combined @ 1- th @ prim-c-code 2@ s" SUPER_END" search nip nip or if |
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." return;" cr |
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else |
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." goto _endif_;" cr |
endif |
endif |
." } else " cr ; |
." }" cr ; |
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: output-superend ( -- ) |
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\ output flag specifying whether the current word ends a dynamic superinst |
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prim prim-c-code 2@ s" SET_IP" search nip nip |
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prim prim-c-code 2@ s" SUPER_END" search nip nip or 0<> |
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prim prim-c-code 2@ s" SUPER_CONTINUE" search nip nip 0= and |
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negate 0 .r ." , /* " prim prim-name 2@ type ." */" cr ; |
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: gen-arg-parm { item -- } |
: gen-arg-parm { item -- } |
item item-stack @ inst-stream = if |
item item-stack @ inst-stream = if |
Line 714 s" IP" save-mem w s" error don't use # o
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Line 764 s" IP" save-mem w s" error don't use # o
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: output-forthname ( -- ) |
: output-forthname ( -- ) |
'" emit prim prim-name 2@ type '" emit ." ," cr ; |
'" emit prim prim-name 2@ type '" emit ." ," cr ; |
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: output-c-func ( -- ) |
\ : output-c-func ( -- ) |
\ used for word libraries |
\ \ used for word libraries |
." Cell * I_" prim prim-c-name 2@ type ." (Cell *SP, Cell **FP) /* " prim prim-name 2@ type |
\ ." Cell * I_" prim prim-c-name 2@ type ." (Cell *SP, Cell **FP) /* " prim prim-name 2@ type |
." ( " prim prim-stack-string 2@ type ." ) */" cr |
\ ." ( " prim prim-stack-string 2@ type ." ) */" cr |
." /* " prim prim-doc 2@ type ." */" cr |
\ ." /* " prim prim-doc 2@ type ." */" cr |
." NAME(" quote prim prim-name 2@ type quote ." )" cr |
\ ." NAME(" quote prim prim-name 2@ type quote ." )" cr |
\ debugging |
\ \ debugging |
." {" cr |
\ ." {" cr |
print-declarations |
\ print-declarations |
inst-stream stack-used? IF ." Cell *ip=IP;" cr THEN |
\ \ !! don't know what to do about that |
data-stack stack-used? IF ." Cell *sp=SP;" cr THEN |
\ inst-stream stack-used? IF ." Cell *ip=IP;" cr THEN |
fp-stack stack-used? IF ." Cell *fp=*FP;" cr THEN |
\ data-stack stack-used? IF ." Cell *sp=SP;" cr THEN |
return-stack stack-used? IF ." Cell *rp=*RP;" cr THEN |
\ fp-stack stack-used? IF ." Cell *fp=*FP;" cr THEN |
flush-tos |
\ return-stack stack-used? IF ." Cell *rp=*RP;" cr THEN |
fetches |
\ flush-tos |
stack-pointer-updates |
\ fetches |
fp-stack stack-used? IF ." *FP=fp;" cr THEN |
\ stack-pointer-updates |
." {" cr |
\ fp-stack stack-used? IF ." *FP=fp;" cr THEN |
." #line " c-line @ . quote c-filename 2@ type quote cr |
\ ." {" cr |
prim prim-c-code 2@ type |
\ ." #line " c-line @ . quote c-filename 2@ type quote cr |
." }" cr |
\ prim prim-c-code 2@ type |
stores |
\ ." }" cr |
fill-tos |
\ stores |
." return (sp);" cr |
\ fill-tos |
." }" cr |
\ ." return (sp);" cr |
cr ; |
\ ." }" cr |
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\ cr ; |
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: output-label ( -- ) |
: output-label ( -- ) |
." (Label)&&I_" prim prim-c-name 2@ type ." ," cr ; |
." INST_ADDR(" prim prim-c-name 2@ type ." )," cr ; |
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: output-alias ( -- ) |
: output-alias ( -- ) |
( primitive-number @ . ." alias " ) ." Primitive " prim prim-name 2@ type cr ; |
( primitive-number @ . ." alias " ) ." Primitive " prim prim-name 2@ type cr ; |
Line 774 s" IP" save-mem w s" error don't use # o
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Line 825 s" IP" save-mem w s" error don't use # o
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name-line @ 0 .r |
name-line @ 0 .r |
." ,0" cr ; |
." ,0" cr ; |
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: output-vi-tag ( -- ) |
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name-filename 2@ type #tab emit |
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prim prim-name 2@ type #tab emit |
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." /^" prim prim-name 2@ type ." *(/" cr ; |
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[IFDEF] documentation |
[IFDEF] documentation |
: register-doc ( -- ) |
: register-doc ( -- ) |
prim prim-name 2@ documentation ['] create insert-wordlist |
prim prim-name 2@ documentation ['] create insert-wordlist |
Line 943 s" IP" save-mem w s" error don't use # o
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Line 999 s" IP" save-mem w s" error don't use # o
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fetches ; |
fetches ; |
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: part-output-c-tail ( -- ) |
: part-output-c-tail ( -- ) |
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print-debug-results |
stores ; |
stores ; |
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: output-combined-tail ( -- ) |
: output-combined-tail ( -- ) |
Line 1150 Variable c-flag
|
Line 1207 Variable c-flag
|
THEN }} |
THEN }} |
)) <- if-comment |
)) <- if-comment |
|
|
(( (( eval-comment || forth-comment || c-comment || else-comment || if-comment )) ?? nonl ** )) <- comment-body |
(( (( ` g || ` G )) {{ start }} nonl ** |
|
{{ end |
|
forth-flag @ IF ." group " type cr THEN |
|
c-flag @ IF ." GROUP(" type ." )" cr THEN }} |
|
)) <- group-comment |
|
|
|
(( (( eval-comment || forth-comment || c-comment || else-comment || if-comment || group-comment )) ?? nonl ** )) <- comment-body |
|
|
(( ` \ comment-body nleof )) <- comment ( -- ) |
(( ` \ comment-body nleof )) <- comment ( -- ) |
|
|
Line 1184 Variable c-flag
|
Line 1247 Variable c-flag
|
line @ name-line ! filename 2@ name-filename 2! |
line @ name-line ! filename 2@ name-filename 2! |
function-number @ prim prim-num ! |
function-number @ prim prim-num ! |
start }} forth-ident {{ end 2dup prim prim-name 2! prim prim-c-name 2! }} white ++ |
start }} forth-ident {{ end 2dup prim prim-name 2! prim prim-c-name 2! }} white ++ |
|
(( ` / white ** {{ start }} c-ident {{ end prim prim-c-name 2! }} white ** )) ?? |
(( simple-primitive || combined-primitive )) {{ 1 function-number +! }} |
(( simple-primitive || combined-primitive )) {{ 1 function-number +! }} |
)) <- primitive ( -- ) |
)) <- primitive ( -- ) |
|
|
Line 1193 warnings @ [IF]
|
Line 1257 warnings @ [IF]
|
.( parser generated ok ) cr |
.( parser generated ok ) cr |
[THEN] |
[THEN] |
|
|
|
|
|
\ run with gforth-0.5.0 (slurp-file is missing) |
|
[IFUNDEF] slurp-file |
|
: 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 ; |
|
[THEN] |
|
|
: primfilter ( addr u -- ) |
: primfilter ( addr u -- ) |
\ process the string at addr u |
\ process the string at addr u |
over dup rawinput ! dup line-start ! cookedinput ! |
over dup rawinput ! dup line-start ! cookedinput ! |