version 1.2, 1994/05/18 17:29:59
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version 1.16, 1995/11/07 18:06:57
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\ converts primitives to, e.g., C code |
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\ Copyright (C) 1995 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
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\ Gforth is free software; you can redistribute it and/or |
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\ modify it under the terms of the GNU General Public License |
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\ as published by the Free Software Foundation; either version 2 |
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\ of the License, or (at your option) any later version. |
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\ This program is distributed in the hope that it will be useful, |
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\ but WITHOUT ANY WARRANTY; without even the implied warranty of |
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\ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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\ GNU General Public License for more details. |
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\ You should have received a copy of the GNU General Public License |
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\ along with this program; if not, write to the Free Software |
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\ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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\ This is not very nice (hard limits, no checking, assumes 1 chars = 1) |
\ This is not very nice (hard limits, no checking, assumes 1 chars = 1) |
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\ Optimizations: |
\ Optimizations: |
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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 |
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warnings off |
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[IFUNDEF] vocabulary include search-order.fs [THEN] |
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[IFUNDEF] environment? include environ.fs [THEN] |
include gray.fs |
include gray.fs |
include search-order.fs |
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100 constant max-effect \ number of things on one side of a stack effect |
100 constant max-effect \ number of things on one side of a stack effect |
4096 constant batch-size \ no meaning, just make sure it's >0 |
4096 constant batch-size \ no meaning, just make sure it's >0 |
Line 35 maxchar 1+ constant eof-char
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Line 59 maxchar 1+ constant eof-char
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begin ( c-addr file-id ) |
begin ( c-addr file-id ) |
2dup batch-size swap read-file |
2dup batch-size swap read-file |
if |
if |
abort" I/O error" |
true abort" I/O error" |
endif |
endif |
( c-addr file-id actual-size ) rot over + -rot |
( c-addr file-id actual-size ) rot over + -rot |
batch-size <> |
batch-size <> |
Line 87 variable effect-out-end ( pointer )
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Line 111 variable effect-out-end ( pointer )
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2variable effect-in-size |
2variable effect-in-size |
2variable effect-out-size |
2variable effect-out-size |
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variable primitive-number -8 primitive-number ! |
variable primitive-number -10 primitive-number ! |
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\ for several reasons stack items of a word are stored in a wordlist |
\ for several reasons stack items of a word are stored in a wordlist |
\ since neither forget nor marker are implemented yet, we make a new |
\ since neither forget nor marker are implemented yet, we make a new |
Line 195 nowhite ++
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Line 219 nowhite ++
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(( (( primitive {{ printprim }} )) ** eof )) |
(( (( primitive {{ printprim }} )) ** eof )) |
parser primitives2something |
parser primitives2something |
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warnings @ [IF] |
.( parser generated ok ) cr |
.( parser generated ok ) cr |
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[THEN] |
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: primfilter ( file-id xt -- ) |
: primfilter ( file-id xt -- ) |
\ fileid is for the input file, xt ( -- ) is for the output word |
\ fileid is for the input file, xt ( -- ) is for the output word |
Line 237 constant type-description
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Line 263 constant type-description
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: fetch-single ( item -- ) |
: fetch-single ( item -- ) |
>r |
>r |
r@ item-name 2@ type ." = (" |
r@ item-name 2@ type |
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." = (" |
r@ item-type @ type-c-name 2@ type ." ) " |
r@ item-type @ type-c-name 2@ type ." ) " |
r@ item-d-offset @ effect-in-size 2@ data-stack-access ." ;" cr |
r@ item-d-offset @ effect-in-size 2@ data-stack-access ." ;" cr |
rdrop ; |
rdrop ; |
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: fetch-double ( item -- ) |
: fetch-double ( item -- ) |
>r |
>r |
." {Double_Store _d; _d.cells.low = " |
r@ item-name 2@ type |
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." = ({Double_Store _d; _d.cells.low = " |
r@ item-d-offset @ dup effect-in-size 2@ data-stack-access |
r@ item-d-offset @ dup effect-in-size 2@ data-stack-access |
." ; _d.cells.high = " 1+ effect-in-size 2@ data-stack-access ." ; " |
." ; _d.cells.high = " 1+ effect-in-size 2@ data-stack-access |
r@ item-name 2@ type ." = _d.dcell;}" cr |
." ; _d.dcell;});" cr |
rdrop ; |
rdrop ; |
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: fetch-float ( item -- ) |
: fetch-float ( item -- ) |
>r |
>r |
r@ item-name 2@ type ." = " |
r@ item-name 2@ type |
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." = " |
\ ." (" r@ item-type @ type-c-name 2@ type ." ) " |
\ ." (" r@ item-type @ type-c-name 2@ type ." ) " |
r@ item-f-offset @ effect-in-size 2@ fp-stack-access ." ;" cr |
r@ item-f-offset @ effect-in-size 2@ fp-stack-access ." ;" cr |
rdrop ; |
rdrop ; |
Line 261 constant type-description
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Line 290 constant type-description
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\ f is true iff the offset of item is the same as on input |
\ f is true iff the offset of item is the same as on input |
>r |
>r |
r@ item-name 2@ items @ search-wordlist 0= |
r@ item-name 2@ items @ search-wordlist 0= |
if |
abort" bug" |
." bug" cr abort |
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endif |
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execute @ |
execute @ |
dup r@ = |
dup r@ = |
if \ item first appeared in output |
if \ item first appeared in output |
Line 309 constant type-description
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Line 336 constant type-description
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\ f is true iff the offset of item is the same as on input |
\ f is true iff the offset of item is the same as on input |
>r |
>r |
r@ item-name 2@ items @ search-wordlist 0= |
r@ item-name 2@ items @ search-wordlist 0= |
if |
abort" bug" |
." bug" cr abort |
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endif |
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execute @ |
execute @ |
dup r@ = |
dup r@ = |
if \ item first appeared in output |
if \ item first appeared in output |
Line 344 constant type-description
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Line 369 constant type-description
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endif |
endif |
rdrop ; |
rdrop ; |
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: single-type ( -- xt n1 n2 ) |
: single-type ( -- xt1 xt2 n1 n2 ) |
['] fetch-single ['] store-single 1 0 ; |
['] fetch-single ['] store-single 1 0 ; |
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: double-type ( -- xt n1 n2 ) |
: double-type ( -- xt1 xt2 n1 n2 ) |
['] fetch-double ['] store-double 2 0 ; |
['] fetch-double ['] store-double 2 0 ; |
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: float-type ( -- xt n1 n2 ) |
: float-type ( -- xt1 xt2 n1 n2 ) |
['] fetch-float ['] store-float 0 1 ; |
['] fetch-float ['] store-float 0 1 ; |
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: s, ( addr u -- ) |
: s, ( addr u -- ) |
Line 403 set-current
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Line 428 set-current
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endif |
endif |
-1 s+loop |
-1 s+loop |
\ we did not find a type, abort |
\ we did not find a type, abort |
." unknown type prefix" cr ABORT ; |
true abort" unknown type prefix" ; |
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: declare ( addr "name" -- ) |
: declare ( addr "name" -- ) |
\ remember that there is a stack item at addr called name |
\ remember that there is a stack item at addr called name |
Line 425 set-current
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Line 450 set-current
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i declaration |
i declaration |
item-descr +loop ; |
item-descr +loop ; |
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: fetch ( addr -- ) |
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dup item-type @ type-fetch-handler execute ; |
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: declarations ( -- ) |
: declarations ( -- ) |
wordlist dup items ! set-current |
wordlist dup items ! set-current |
effect-in effect-in-end @ declaration-list |
effect-in effect-in-end @ declaration-list |
Line 476 set-current
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Line 504 set-current
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." IF_TOS(TOS = sp[0]);" cr |
." IF_TOS(TOS = sp[0]);" cr |
endif ; |
endif ; |
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: fetch ( addr -- ) |
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dup item-type @ type-fetch-handler execute ; |
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: fetches ( -- ) |
: fetches ( -- ) |
effect-in-end @ effect-in ?do |
effect-in-end @ effect-in ?do |
i fetch |
i fetch |
item-descr +loop ; |
item-descr +loop ; |
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: stack-pointer-updates ( -- ) |
: stack-pointer-updates ( -- ) |
\ we do not check if an update is a noop; gcc does this for us |
\ we need not check if an update is a noop; gcc does this for us |
effect-in-size 2@ |
effect-in-size 2@ |
effect-out-size 2@ |
effect-out-size 2@ |
rot swap - ( d-in d-out f-diff ) |
rot swap - ( d-in d-out f-diff ) |
Line 503 set-current
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Line 528 set-current
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i store |
i store |
item-descr +loop ; |
item-descr +loop ; |
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: .stack-list ( start end -- ) |
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swap ?do |
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i item-name 2@ type space |
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item-descr +loop ; |
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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 |
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." NAME(" [char] " emit forth-name 2@ type [char] " emit ." )" cr \ debugging |
." {" cr |
." {" cr |
." DEF_CA" cr |
." DEF_CA" cr |
declarations |
declarations |
compute-offsets \ for everything else |
compute-offsets \ for everything else |
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." NEXT_P0;" cr |
flush-tos |
flush-tos |
fetches |
fetches |
stack-pointer-updates cr |
stack-pointer-updates |
." NAME(" [char] " emit forth-name 2@ type [char] " emit ." )" cr \ debugging |
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." {" cr |
." {" cr |
c-code 2@ type |
c-code 2@ type |
." }" cr |
." }" cr |
." NEXT_P1;" cr |
." NEXT_P1;" cr |
stores |
stores |
fill-tos |
fill-tos |
." NEXT1_P2;" cr |
." NEXT_P2;" cr |
." }" cr |
." }" cr |
cr |
cr |
; |
; |
Line 532 set-current
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Line 563 set-current
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primitive-number @ . ." alias " forth-name 2@ type cr |
primitive-number @ . ." alias " forth-name 2@ type cr |
-1 primitive-number +! ; |
-1 primitive-number +! ; |
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: output-forth ( -- ) |
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forth-code @ 0= |
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IF output-alias |
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ELSE ." : " forth-name 2@ type ." ( " |
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effect-in effect-in-end @ .stack-list ." -- " |
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effect-out effect-out-end @ .stack-list ." )" cr |
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forth-code 2@ type cr |
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-1 primitive-number +! |
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THEN ; |
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[IFDEF] documentation |
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: register-doc ( -- ) |
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get-current documentation set-current |
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forth-name 2@ nextname create |
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forth-name 2@ 2, |
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stack-string 2@ condition-stack-effect 2, |
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wordset 2@ 2, |
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c-name 2@ condition-pronounciation 2, |
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doc 2@ 2, |
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set-current ; |
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[THEN] |
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: process-file ( addr u xt -- ) |
: process-file ( addr u xt -- ) |
>r r/o open-file |
>r r/o open-file abort" cannot open file" |
if |
warnings @ if |
." cannot open file" cr abort |
." ------------ CUT HERE -------------" cr endif |
endif |
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." ------------ CUT HERE -------------" cr |
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r> primfilter ; |
r> primfilter ; |
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