version 1.51, 2000/11/12 18:14:09
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version 1.53, 2000/12/13 09:51:28
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Line 87 variable output \ xt ( -- ) of output wo
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Line 87 variable output \ xt ( -- ) of output wo
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: printprim ( -- ) |
: printprim ( -- ) |
output @ execute ; |
output @ execute ; |
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\ stack types |
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struct% |
struct% |
cell% 2* field stack-pointer \ stackpointer name |
cell% 2* field stack-pointer \ stackpointer name |
cell% 2* field stack-cast \ cast string for assignments to stack elements |
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 \ number of stack items in effect in |
cell% field stack-in \ number of stack items in effect in |
cell% field stack-out \ number of stack items in effect out |
cell% field stack-out \ number of stack items in effect out |
end-struct stack% |
end-struct stack% |
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struct% |
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cell% 2* field item-name \ name, excluding stack prefixes |
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cell% field item-stack \ descriptor for the stack used, 0 is default |
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cell% field item-type \ descriptor for the item type |
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cell% field item-offset \ offset in stack items, 0 for the deepest element |
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end-struct item% |
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struct% |
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cell% 2* field type-c-name |
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cell% field type-stack \ default stack |
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cell% field type-size \ size of type in stack items |
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cell% field type-fetch \ xt of fetch code generator ( item -- ) |
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cell% field type-store \ xt of store code generator ( item -- ) |
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end-struct type% |
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: stack-in-index ( in-size item -- in-index ) |
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item-offset @ - 1- ; |
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: inst-in-index ( in-size item -- in-index ) |
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nip dup item-offset @ swap item-type @ type-size @ + 1- ; |
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: make-stack ( addr-ptr u1 addr-cast u2 "stack-name" -- ) |
: make-stack ( addr-ptr u1 addr-cast u2 "stack-name" -- ) |
create stack% %allot >r |
create stack% %allot >r |
save-mem r@ stack-cast 2! |
save-mem r@ stack-cast 2! |
save-mem r> stack-pointer 2! ; |
save-mem r@ stack-pointer 2! |
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['] stack-in-index r> stack-in-index-xt ! ; |
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s" sp" save-mem s" (Cell)" make-stack data-stack |
s" sp" save-mem s" (Cell)" make-stack data-stack |
s" fp" save-mem s" " make-stack fp-stack |
s" fp" save-mem s" " make-stack fp-stack |
s" rp" save-mem s" (Cell)" make-stack return-stack |
s" rp" save-mem s" (Cell)" make-stack return-stack |
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s" ip" save-mem s" error don't use # on results" make-stack inst-stream |
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' inst-in-index inst-stream stack-in-index-xt ! |
\ !! initialize stack-in and stack-out |
\ !! initialize stack-in and stack-out |
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\ stack items |
\ stack items |
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struct% |
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cell% 2* field item-name \ name, excluding stack prefixes |
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cell% field item-stack \ descriptor for the stack used, 0 is default |
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cell% field item-type \ descriptor for the item type |
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cell% field item-offset \ offset in stack items, 0 for the deepest element |
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end-struct item% |
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: init-item ( addr u addr1 -- ) |
: init-item ( addr u addr1 -- ) |
\ initialize item at addr1 with name addr u |
\ initialize item at addr1 with name addr u |
\ !! remove stack prefix |
\ !! remove stack prefix |
Line 332 warnings @ [IF]
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Line 348 warnings @ [IF]
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\ types |
\ types |
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struct% |
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cell% 2* field type-c-name |
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cell% field type-stack \ default stack |
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cell% field type-size \ size of type in stack items |
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cell% field type-fetch \ xt of fetch code generator ( item -- ) |
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cell% field type-store \ xt of store code generator ( item -- ) |
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end-struct type% |
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: stack-access ( n stack -- ) |
: stack-access ( n stack -- ) |
\ print a stack access at index n of stack |
\ print a stack access at index n of stack |
stack-pointer 2@ type |
stack-pointer 2@ type |
Line 350 end-struct type%
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Line 358 end-struct type%
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drop ." TOS" |
drop ." TOS" |
endif ; |
endif ; |
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: item-in-index ( item -- n ) |
: item-in-index { item -- n } |
\ n is the index of item (in the in-effect) |
\ n is the index of item (in the in-effect) |
>r r@ item-stack @ stack-in @ r> item-offset @ - 1- ; |
item item-stack @ dup >r stack-in @ ( in-size r:stack ) |
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item r> stack-in-index-xt @ execute ; |
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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 |
Line 531 s" WID" single-type type-prefix wid
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Line 540 s" WID" single-type type-prefix wid
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s" struct F83Name *" single-type type-prefix f83name |
s" struct F83Name *" single-type type-prefix f83name |
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return-stack stack-prefix R: |
return-stack stack-prefix R: |
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inst-stream stack-prefix # |
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set-current |
set-current |
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Line 553 set-current
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Line 563 set-current
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: clear-stack { -- } |
: clear-stack { -- } |
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 |
data-stack clear-stack fp-stack clear-stack return-stack clear-stack |
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inst-stream clear-stack |
effect-in effect-in-end @ ['] stack-in compute-list |
effect-in effect-in-end @ ['] stack-in compute-list |
effect-out effect-out-end @ ['] stack-out compute-list ; |
effect-out effect-out-end @ ['] stack-out compute-list |
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inst-stream stack-out @ 0<> abort" # can only be on the input side" ; |
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: flush-a-tos { stack -- } |
: flush-a-tos { stack -- } |
stack stack-out @ 0<> stack stack-in @ 0= and |
stack stack-out @ 0<> stack stack-in @ 0= and |
Line 579 set-current
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Line 590 set-current
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endif ; |
endif ; |
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: fill-tos ( -- ) |
: fill-tos ( -- ) |
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\ !! inst-stream for prefetching? |
fp-stack fill-a-tos |
fp-stack fill-a-tos |
data-stack fill-a-tos |
data-stack fill-a-tos |
return-stack fill-a-tos ; |
return-stack fill-a-tos ; |
Line 599 set-current
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Line 611 set-current
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endif ; |
endif ; |
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: stack-pointer-updates ( -- ) |
: stack-pointer-updates ( -- ) |
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inst-stream stack-pointer-update |
data-stack stack-pointer-update |
data-stack stack-pointer-update |
fp-stack stack-pointer-update |
fp-stack stack-pointer-update |
return-stack stack-pointer-update ; |
return-stack stack-pointer-update ; |
Line 613 set-current
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Line 626 set-current
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i store |
i store |
item% %size +loop ; |
item% %size +loop ; |
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: output-c-tail ( -- ) |
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\ the final part of the generated C code |
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." NEXT_P1;" cr |
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stores |
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fill-tos |
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." NEXT_P2;" cr ; |
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: type-c ( c-addr u -- ) |
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\ like TYPE, but replaces "TAIL;" with tail code |
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begin ( c-addr1 u1 ) |
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2dup s" TAIL;" search |
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while ( c-addr1 u1 c-addr3 u3 ) |
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2dup 2>r drop nip over - type |
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output-c-tail |
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2r> 5 /string |
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\ !! resync #line missing |
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repeat |
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2drop type ; |
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: output-c ( -- ) |
: output-c ( -- ) |
." I_" c-name 2@ type ." : /* " forth-name 2@ type ." ( " stack-string 2@ type ." ) */" cr |
." I_" c-name 2@ type ." : /* " forth-name 2@ type ." ( " stack-string 2@ type ." ) */" cr |
." /* " doc 2@ type ." */" cr |
." /* " doc 2@ type ." */" cr |
Line 627 set-current
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Line 659 set-current
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stack-pointer-updates |
stack-pointer-updates |
." {" cr |
." {" cr |
." #line " c-line @ . [char] " emit c-filename 2@ type [char] " emit cr |
." #line " c-line @ . [char] " emit c-filename 2@ type [char] " emit cr |
c-code 2@ type |
c-code 2@ type-c |
." }" cr |
." }" cr |
." NEXT_P1;" cr |
output-c-tail |
stores |
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fill-tos |
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." NEXT_P2;" cr |
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." }" cr |
." }" cr |
cr |
cr |
; |
; |
Line 659 set-current
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Line 688 set-current
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." {" cr |
." {" cr |
declarations |
declarations |
compute-offsets \ for everything else |
compute-offsets \ for everything else |
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inst-stream stack-used? IF ." Cell *ip=IP;" cr THEN |
data-stack stack-used? IF ." Cell *sp=SP;" cr THEN |
data-stack stack-used? IF ." Cell *sp=SP;" cr THEN |
fp-stack stack-used? IF ." Cell *fp=*FP;" cr THEN |
fp-stack stack-used? IF ." Cell *fp=*FP;" cr THEN |
return-stack stack-used? IF ." Cell *rp=*RP;" cr THEN |
return-stack stack-used? IF ." Cell *rp=*RP;" cr THEN |