version 1.81, 2001/02/23 10:43:40
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version 1.84, 2001/02/24 17:24:44
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Line 101 skipsynclines on
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Line 101 skipsynclines on
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loop |
loop |
drop ; |
drop ; |
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: wordlist-insert { c-addr u wordlist xt -- } |
: insert-wordlist { c-addr u wordlist xt -- } |
\ adds name "addr u" to wordlist using defining word xt |
\ adds name "addr u" to wordlist using defining word xt |
\ xt may cause additional stack effects |
\ xt may cause additional stack effects |
get-current >r wordlist set-current |
get-current >r wordlist set-current |
Line 209 struct%
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Line 209 struct%
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cell% 2* field prim-c-code |
cell% 2* field prim-c-code |
cell% 2* field prim-forth-code |
cell% 2* field prim-forth-code |
cell% 2* field prim-stack-string |
cell% 2* field prim-stack-string |
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cell% field prim-num \ ordinal number |
cell% field prim-items-wordlist \ unique items |
cell% field prim-items-wordlist \ unique items |
item% max-effect * field prim-effect-in |
item% max-effect * field prim-effect-in |
item% max-effect * field prim-effect-out |
item% max-effect * field prim-effect-out |
Line 242 create min-depth max-stacks cells al
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Line 243 create min-depth max-stacks cells al
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wordlist constant primitives |
wordlist constant primitives |
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: create-prim ( prim -- ) |
: create-prim ( prim -- ) |
get-current >r |
dup prim-name 2@ primitives ['] constant insert-wordlist ; |
primitives set-current |
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dup prim-name 2@ nextname constant |
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r> set-current ; |
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: stack-in ( stack -- addr ) |
: stack-in ( stack -- addr ) |
\ address of number of stack items in effect in |
\ address of number of stack items in effect in |
Line 486 does> ( item -- )
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Line 484 does> ( item -- )
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item declaration ; |
item declaration ; |
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\ types pointed to by stacks for use in combined prims |
\ types pointed to by stacks for use in combined prims |
s" Cell" single 0 create-type cell-type |
\ !! output-c-combined shouldn't use these names! |
s" Float" single 0 create-type float-type |
s" Cell" single 0 create-type w |
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s" Float" single 0 create-type r |
s" sp" save-mem cell-type s" (Cell)" make-stack data-stack |
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s" fp" save-mem float-type s" " make-stack fp-stack |
s" sp" save-mem w s" (Cell)" make-stack data-stack |
s" rp" save-mem cell-type s" (Cell)" make-stack return-stack |
s" fp" save-mem r s" " make-stack fp-stack |
s" IP" save-mem cell-type s" error don't use # on results" make-stack inst-stream |
s" rp" save-mem w s" (Cell)" make-stack return-stack |
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s" IP" save-mem w s" error don't use # on results" make-stack inst-stream |
' 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 525 s" IP" save-mem cell-type s" error don'
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Line 524 s" IP" save-mem cell-type s" error don'
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: process-simple ( -- ) |
: process-simple ( -- ) |
prim prim { W^ key } key cell |
prim prim { W^ key } key cell |
combinations ['] constant wordlist-insert |
combinations ['] constant insert-wordlist |
declarations compute-offsets |
declarations compute-offsets |
output @ execute |
output @ execute ; |
1 function-number +! ; |
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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 759 s" IP" save-mem cell-type s" error don'
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Line 757 s" IP" save-mem cell-type s" error don'
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[IFDEF] documentation |
[IFDEF] documentation |
: register-doc ( -- ) |
: register-doc ( -- ) |
get-current documentation set-current |
prim prim-name 2@ documentation ['] create insert-wordlist |
prim prim-name 2@ nextname create |
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prim prim-name 2@ 2, |
prim prim-name 2@ 2, |
prim prim-stack-string 2@ condition-stack-effect 2, |
prim prim-stack-string 2@ condition-stack-effect 2, |
prim prim-wordset 2@ 2, |
prim prim-wordset 2@ 2, |
prim prim-c-name 2@ condition-pronounciation 2, |
prim prim-c-name 2@ condition-pronounciation 2, |
prim prim-doc 2@ 2, |
prim prim-doc 2@ 2, ; |
set-current ; |
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[THEN] |
[THEN] |
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Line 903 s" IP" save-mem cell-type s" error don'
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Line 899 s" IP" save-mem cell-type s" error don'
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: process-combined ( -- ) |
: process-combined ( -- ) |
combined combined-prims num-combined @ cells |
combined combined-prims num-combined @ cells |
combinations ['] constant wordlist-insert |
combinations ['] constant insert-wordlist |
prim compute-effects |
prim compute-effects |
prim init-effects |
prim init-effects |
output-combined perform ; |
output-combined perform ; |
Line 926 s" IP" save-mem cell-type s" error don'
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Line 922 s" IP" save-mem cell-type s" error don'
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fetches ; |
fetches ; |
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: part-output-c-tail ( -- ) |
: part-output-c-tail ( -- ) |
output-c-tail ; |
stores |
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fill-tos ; |
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: output-part ( p -- ) |
: output-part ( p -- ) |
to prim |
to prim |
Line 973 s" IP" save-mem cell-type s" error don'
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Line 970 s" IP" save-mem cell-type s" error don'
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; |
; |
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\ compile VM insts |
\ peephole optimization rules |
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\ in order for this to work as intended, shorter combinations for each |
\ in order for this to work as intended, shorter combinations for each |
\ length must be present, and the longer combinations must follow |
\ length must be present, and the longer combinations must follow |
\ shorter ones (this restriction may go away in the future). |
\ shorter ones (this restriction may go away in the future). |
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: output-pregen-combined ( -- ) |
: output-peephole ( -- ) |
combined-prims num-combined @ 1- cells combinations search-wordlist |
combined-prims num-combined @ 1- cells combinations search-wordlist |
s" the prefix for this combination must be defined earlier" ?print-error |
s" the prefix for this combination must be defined earlier" ?print-error |
execute prim-c-name 2@ type space |
." {" |
combined-prims num-combined @ 1- th @ prim-c-name 2@ type ." -> " |
execute prim-num @ 5 .r ." ," |
combined prim-c-name 2@ type cr ; |
combined-prims num-combined @ 1- th @ prim-num @ 5 .r ." ," |
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combined prim-num @ 5 .r ." }, /* " |
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combined prim-c-name 2@ type ." */" |
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cr ; |
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\ the parser |
\ the parser |
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Line 1145 Variable c-flag
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Line 1146 Variable c-flag
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(( {{ make-prim to prim 0 to combined |
(( {{ make-prim to prim 0 to combined |
line @ name-line ! filename 2@ name-filename 2! |
line @ name-line ! filename 2@ name-filename 2! |
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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 ++ |
(( simple-primitive || combined-primitive )) |
(( simple-primitive || combined-primitive )) {{ 1 function-number +! }} |
)) <- primitive ( -- ) |
)) <- primitive ( -- ) |
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(( (( comment || primitive || nl white ** )) ** eof )) |
(( (( comment || primitive || nl white ** )) ** eof )) |