version 1.3, 1994/07/07 14:59:26
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version 1.22, 1996/05/23 15:13:12
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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: |
Line 21
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Line 42
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warnings off |
warnings off |
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require interpretation.fs |
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require debugging.fs |
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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 |
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255 constant maxchar |
255 constant maxchar |
maxchar 1+ constant eof-char |
maxchar 1+ constant eof-char |
9 constant tab-char |
#tab constant tab-char |
10 constant nl-char |
#lf constant nl-char |
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: read-whole-file ( c-addr1 file-id -- c-addr2 ) |
: read-whole-file ( c-addr1 file-id -- c-addr2 ) |
\ reads the contents of the file file-id puts it into memory at c-addr1 |
\ reads the contents of the file file-id puts it into memory at c-addr1 |
\ c-addr2 is the first address after the file block |
\ c-addr2 is the first address after the file block |
begin ( c-addr file-id ) |
>r dup -1 r> read-file throw + ; |
2dup batch-size swap read-file |
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if |
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abort" I/O error" |
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endif |
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( c-addr file-id actual-size ) rot over + -rot |
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batch-size <> |
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until |
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drop ; |
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variable input \ pointer to next character to be parsed |
variable rawinput \ pointer to next character to be scanned |
variable endinput \ pointer to the end of the input (the char after the last) |
variable endrawinput \ pointer to the end of the input (the char after the last) |
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variable cookedinput \ pointer to the next char to be parsed |
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variable line \ line number of char pointed to by input |
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1 line ! |
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2variable filename \ filename of original input file |
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0 0 filename 2! |
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variable skipsynclines \ are sync lines ("#line ...") invisible to the parser? |
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skipsynclines on |
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: start ( -- addr ) |
: start ( -- addr ) |
input @ ; |
cookedinput @ ; |
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: end ( addr -- addr u ) |
: end ( addr -- addr u ) |
input @ over - ; |
cookedinput @ over - ; |
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variable output \ xt ( -- ) of output word |
variable output \ xt ( -- ) of output word |
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Line 88 variable effect-in-end ( pointer )
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Line 110 variable effect-in-end ( pointer )
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variable effect-out-end ( pointer ) |
variable effect-out-end ( pointer ) |
2variable effect-in-size |
2variable effect-in-size |
2variable effect-out-size |
2variable effect-out-size |
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variable c-line |
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2variable c-filename |
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variable name-line |
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2variable name-filename |
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2variable last-name-filename |
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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 109 variable items
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Line 136 variable items
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eof-char max-member \ the whole character set + EOF |
eof-char max-member \ the whole character set + EOF |
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: getinput ( -- n ) |
: getinput ( -- n ) |
input @ |
rawinput @ endrawinput @ = |
dup endinput @ = |
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if |
if |
drop eof-char |
eof-char |
else |
else |
c@ |
cookedinput @ c@ |
endif ; |
endif ; |
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:noname ( n -- ) |
:noname ( n -- ) |
Line 129 print-token !
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Line 155 print-token !
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getinput member? ; |
getinput member? ; |
' testchar? test-vector ! |
' testchar? test-vector ! |
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: checksyncline ( -- ) |
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\ when input points to a newline, check if the next line is a |
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\ sync line. If it is, perform the appropriate actions. |
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rawinput @ >r |
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s" #line " r@ over compare 0<> if |
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rdrop 1 line +! EXIT |
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endif |
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0. r> 6 chars + 20 >number drop >r drop line ! r> ( c-addr ) |
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dup c@ bl = if |
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char+ dup c@ [char] " <> abort" sync line syntax" |
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char+ dup 100 [char] " scan drop swap 2dup - save-string filename 2! |
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char+ |
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endif |
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dup c@ nl-char <> abort" sync line syntax" |
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skipsynclines @ if |
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dup char+ rawinput ! |
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rawinput @ c@ cookedinput @ c! |
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endif |
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drop ; |
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: ?nextchar ( f -- ) |
: ?nextchar ( f -- ) |
?not? if |
?not? if |
." syntax error" cr |
filename 2@ type ." :" line @ 0 .r ." : syntax error, wrong char:" |
getinput . cr |
getinput . cr |
input @ endinput @ over - 100 min type cr |
rawinput @ endrawinput @ over - 100 min type cr |
abort |
abort |
endif |
endif |
input @ endinput @ <> if |
rawinput @ endrawinput @ <> if |
1 input +! |
rawinput @ c@ |
endif ; |
1 chars rawinput +! |
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1 chars cookedinput +! |
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nl-char = if |
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checksyncline |
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endif |
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rawinput @ c@ cookedinput @ c! |
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endif ; |
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: charclass ( set "name" -- ) |
: charclass ( set "name" -- ) |
['] ?nextchar terminal ; |
['] ?nextchar terminal ; |
Line 152 print-token !
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Line 204 print-token !
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: ` ( -- terminal ) ( use: ` c ) |
: ` ( -- terminal ) ( use: ` c ) |
( creates anonymous terminal for the character c ) |
( creates anonymous terminal for the character c ) |
[compile] ascii singleton ['] ?nextchar make-terminal ; |
char singleton ['] ?nextchar make-terminal ; |
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char a char z .. char A char Z .. union char _ singleton union charclass letter |
char a char z .. char A char Z .. union char _ singleton union charclass letter |
char 0 char 9 .. charclass digit |
char 0 char 9 .. charclass digit |
Line 182 nowhite ++
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Line 234 nowhite ++
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(( {{ s" " doc 2! s" " forth-code 2! }} |
(( {{ s" " doc 2! s" " forth-code 2! }} |
(( comment || nl )) ** |
(( comment || nl )) ** |
(( {{ start }} name {{ end 2dup forth-name 2! c-name 2! }} tab ++ |
(( {{ line @ name-line ! filename 2@ name-filename 2! }} |
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{{ start }} name {{ end 2dup forth-name 2! c-name 2! }} tab ++ |
{{ start }} stack-effect {{ end stack-string 2! }} tab ++ |
{{ start }} stack-effect {{ end stack-string 2! }} tab ++ |
{{ start }} name {{ end wordset 2! }} tab ** |
{{ start }} name {{ end wordset 2! }} tab ** |
(( {{ start }} c-name {{ end c-name 2! }} )) ?? nl |
(( {{ start }} c-name {{ end c-name 2! }} )) ?? nl |
)) |
)) |
(( ` " ` " {{ start }} (( noquote ++ ` " )) ++ {{ end 1- doc 2! }} ` " nl )) ?? |
(( ` " ` " {{ start }} (( noquote ++ ` " )) ++ {{ end 1- doc 2! }} ` " nl )) ?? |
{{ start }} (( nocolonnl nonl ** nl )) ** {{ end c-code 2! }} |
{{ skipsynclines off line @ c-line ! filename 2@ c-filename 2! start }} (( nocolonnl nonl ** nl )) ** {{ end c-code 2! skipsynclines on }} |
(( ` : nl |
(( ` : nl |
{{ start }} (( nonl ++ nl )) ++ {{ end forth-code 2! }} |
{{ start }} (( nonl ++ nl )) ++ {{ end forth-code 2! }} |
)) ?? |
)) ?? |
Line 204 warnings @ [IF]
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Line 257 warnings @ [IF]
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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 |
output ! |
output ! |
here input ! |
here dup rawinput ! cookedinput ! |
here swap read-whole-file |
here swap read-whole-file |
dup endinput ! |
dup endrawinput ! |
here - allot |
here - allot |
align |
align |
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checksyncline |
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\ begin |
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\ getinput dup eof-char = ?EXIT emit true ?nextchar |
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\ again ; |
primitives2something ; |
primitives2something ; |
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\ types |
\ types |
Line 241 constant type-description
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Line 298 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 = " |
." FETCH_DCELL(" |
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r@ item-name 2@ type ." , " |
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 ." ; " |
." , " 1+ effect-in-size 2@ data-stack-access |
r@ item-name 2@ type ." = _d.dcell;}" cr |
." );" 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 265 constant type-description
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Line 325 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 303 constant type-description
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Line 361 constant type-description
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: store-double ( item -- ) |
: store-double ( item -- ) |
\ !! store optimization is not performed, because it is not yet needed |
\ !! store optimization is not performed, because it is not yet needed |
>r |
>r |
." {Double_Store _d; _d.dcell = " r@ item-name 2@ type ." ; " |
." STORE_DCELL(" r@ item-name 2@ type ." , " |
r@ item-d-offset @ dup effect-out-size 2@ data-stack-access |
r@ item-d-offset @ dup effect-out-size 2@ data-stack-access |
." = _d.cells.low; " 1+ effect-out-size 2@ data-stack-access |
." , " 1+ effect-out-size 2@ data-stack-access |
." = _d.cells.high;}" cr |
." );" cr |
rdrop ; |
rdrop ; |
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: f-same-as-in? ( item -- f ) |
: f-same-as-in? ( item -- f ) |
\ 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 348 constant type-description
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Line 404 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 407 set-current
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Line 463 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 429 set-current
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Line 485 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 480 set-current
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Line 539 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 507 set-current
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Line 563 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 |
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." #line " c-line @ . [char] " emit c-filename 2@ type [char] " emit 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 536 set-current
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Line 599 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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: output-tag-file ( -- ) |
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name-filename 2@ last-name-filename 2@ compare if |
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name-filename 2@ last-name-filename 2! |
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#ff emit cr |
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name-filename 2@ type |
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." ,0" cr |
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endif ; |
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: output-tag ( -- ) |
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output-tag-file |
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forth-name 2@ 1+ type |
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127 emit |
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space forth-name 2@ type space |
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1 emit |
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name-line @ 0 .r |
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." ,0" cr ; |
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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 |
if |
2dup filename 2! |
." cannot open file" cr abort |
r/o open-file abort" cannot open file" |
endif |
warnings @ if |
warnings @ if |
." ------------ CUT HERE -------------" cr endif |
." ------------ CUT HERE -------------" cr endif |
r> primfilter ; |
r> primfilter ; |
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