version 1.18, 1995/12/26 17:35:37
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version 1.35, 1998/12/08 22:02:50
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\ converts primitives to, e.g., C code |
\ converts primitives to, e.g., C code |
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\ Copyright (C) 1995 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc. |
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\ This file is part of Gforth. |
\ This file is part of Gforth. |
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Line 42
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Line 42
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warnings off |
warnings off |
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require debugging.fs |
require search.fs |
[IFUNDEF] vocabulary include search-order.fs [THEN] |
require extend.fs |
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\ require interpretation.fs |
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\ require debugs.fs |
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[IFUNDEF] vocabulary include search.fs [THEN] |
[IFUNDEF] environment? include environ.fs [THEN] |
[IFUNDEF] environment? include environ.fs [THEN] |
include gray.fs |
include gray.fs |
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Line 56 maxchar 1+ constant eof-char
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Line 60 maxchar 1+ constant eof-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 |
>r dup -1 r> read-file throw + ; |
>r dup $7fffffff r> read-file throw + ; |
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variable rawinput \ pointer to next character to be scanned |
variable rawinput \ pointer to next character to be scanned |
variable endrawinput \ 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) |
Line 65 variable line \ line number of char poin
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Line 69 variable line \ line number of char poin
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1 line ! |
1 line ! |
2variable filename \ filename of original input file |
2variable filename \ filename of original input file |
0 0 filename 2! |
0 0 filename 2! |
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2variable f-comment |
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0 0 f-comment 2! |
variable skipsynclines \ are sync lines ("#line ...") invisible to the parser? |
variable skipsynclines \ are sync lines ("#line ...") invisible to the parser? |
skipsynclines on |
skipsynclines on |
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Variable flush-comment flush-comment off |
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: ?flush-comment |
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flush-comment @ 0= ?EXIT |
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f-comment 2@ nip |
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IF cr f-comment 2@ 2 /string 1- |
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dup IF |
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flush-comment @ 1 = |
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IF ." #ifdef HAS_" bounds ?DO I c@ toupper emit LOOP |
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ELSE ." has? " type ." [IF]" THEN cr |
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ELSE flush-comment @ 1 = IF ." #endif" ELSE ." [THEN]" THEN |
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cr THEN |
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0 0 f-comment 2! THEN ; |
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: start ( -- addr ) |
: start ( -- addr ) |
cookedinput @ ; |
cookedinput @ ; |
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Line 116 variable name-line
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Line 136 variable name-line
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2variable last-name-filename |
2variable last-name-filename |
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variable primitive-number -10 primitive-number ! |
variable primitive-number -10 primitive-number ! |
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Variable function-number 0 function-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 164 print-token !
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Line 185 print-token !
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0. r> 6 chars + 20 >number drop >r drop line ! r> ( c-addr ) |
0. r> 6 chars + 20 >number drop >r drop line ! r> ( c-addr ) |
dup c@ bl = if |
dup c@ bl = if |
char+ dup c@ [char] " <> abort" sync line syntax" |
char+ dup c@ [char] " <> abort" sync line syntax" |
char+ dup 100 [char] " scan drop swap 2dup - filename 2! |
char+ dup 100 [char] " scan drop swap 2dup - save-mem filename 2! |
char+ |
char+ |
endif |
endif |
dup c@ nl-char <> abort" sync line syntax" |
dup c@ nl-char <> abort" sync line syntax" |
Line 203 print-token !
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Line 224 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 223 eof-char singleton charclass eof
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Line 244 eof-char singleton charclass eof
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nowhite ++ |
nowhite ++ |
<- name ( -- ) |
<- name ( -- ) |
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(( ` \ nonl ** nl |
(( {{ ?flush-comment start }} ` \ nonl ** nl {{ end |
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2dup 2 min s" \+" compare 0= IF f-comment 2! ELSE 2drop THEN }} |
)) <- comment ( -- ) |
)) <- comment ( -- ) |
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(( {{ effect-in }} (( {{ start }} c-name {{ end 2 pick item-name 2! item-descr + }} blank ** )) ** {{ effect-in-end ! }} |
(( {{ effect-in }} (( {{ start }} c-name {{ end 2 pick item-name 2! item-descr + }} blank ** )) ** {{ effect-in-end ! }} |
Line 305 constant type-description
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Line 327 constant type-description
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: fetch-double ( item -- ) |
: fetch-double ( item -- ) |
>r |
>r |
r@ item-name 2@ type |
." FETCH_DCELL(" |
." = ({Double_Store _d; _d.cells.low = " |
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 |
." ; _d.dcell;});" cr |
." );" cr |
rdrop ; |
rdrop ; |
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: fetch-float ( item -- ) |
: fetch-float ( item -- ) |
Line 338 constant type-description
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Line 360 constant type-description
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\ true if item has the same offset as the input TOS |
\ true if item has the same offset as the input TOS |
item-d-offset @ 1+ effect-in-size 2@ drop = ; |
item-d-offset @ 1+ effect-in-size 2@ drop = ; |
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: is-out-tos? ( item -- f ) |
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\ true if item has the same offset as the input TOS |
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item-d-offset @ 1+ effect-out-size 2@ drop = ; |
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: really-store-single ( item -- ) |
: really-store-single ( item -- ) |
>r |
>r |
r@ item-d-offset @ effect-out-size 2@ data-stack-access ." = (Cell)" |
r@ item-d-offset @ effect-out-size 2@ data-stack-access ." = (Cell)" |
Line 348 constant type-description
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Line 374 constant type-description
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>r |
>r |
r@ d-same-as-in? |
r@ d-same-as-in? |
if |
if |
r@ is-in-tos? |
r@ is-in-tos? r@ is-out-tos? xor |
if |
if |
." IF_TOS(" r@ really-store-single ." );" cr |
." IF_TOS(" r@ really-store-single ." );" cr |
endif |
endif |
Line 360 constant type-description
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Line 386 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 ) |
Line 447 s" DFloat *" single-type starts-with df_
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Line 473 s" DFloat *" single-type starts-with df_
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s" SFloat *" single-type starts-with sf_ |
s" SFloat *" single-type starts-with sf_ |
s" Xt" single-type starts-with xt |
s" Xt" single-type starts-with xt |
s" WID" single-type starts-with wid |
s" WID" single-type starts-with wid |
s" F83Name *" single-type starts-with f83name |
s" struct F83Name *" single-type starts-with f83name |
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set-current |
set-current |
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Line 567 set-current
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Line 593 set-current
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i item-name 2@ type space |
i item-name 2@ type space |
item-descr +loop ; |
item-descr +loop ; |
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: output-c ( -- ) |
: output-c ( -- ) 1 flush-comment ! |
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?flush-comment |
." 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 |
." NAME(" [char] " emit forth-name 2@ type [char] " emit ." )" cr \ debugging |
." NAME(" [char] " emit forth-name 2@ type [char] " emit ." )" cr \ debugging |
Line 591 set-current
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Line 618 set-current
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cr |
cr |
; |
; |
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: output-label ( -- ) |
: output-funclabel ( -- ) |
." &&I_" c-name 2@ type ." ," cr ; |
1 function-number +! |
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." &I_" c-name 2@ type ." ," cr ; |
: output-alias ( -- ) |
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primitive-number @ . ." alias " forth-name 2@ type cr |
: output-forthname ( -- ) |
-1 primitive-number +! ; |
1 function-number +! |
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'" emit forth-name 2@ type '" emit ." ," cr ; |
: output-forth ( -- ) |
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forth-code @ 0= |
: output-c-func ( -- ) |
IF output-alias |
1 function-number +! |
ELSE ." : " forth-name 2@ type ." ( " |
." void I_" c-name 2@ type ." () /* " forth-name 2@ type |
effect-in effect-in-end @ .stack-list ." -- " |
." ( " stack-string 2@ type ." ) */" cr |
effect-out effect-out-end @ .stack-list ." )" cr |
." /* " doc 2@ type ." */" cr |
forth-code 2@ type cr |
." NAME(" [char] " emit forth-name 2@ type [char] " emit ." )" cr |
-1 primitive-number +! |
\ debugging |
THEN ; |
." {" cr |
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." DEF_CA" cr |
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declarations |
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compute-offsets \ for everything else |
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." NEXT_P0;" cr |
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flush-tos |
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fetches |
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stack-pointer-updates |
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." {" cr |
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." #line " c-line @ . [char] " emit c-filename 2@ type [char] " emit cr |
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c-code 2@ type |
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." }" cr |
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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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." }" cr |
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cr ; |
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: output-label ( -- ) 1 flush-comment ! |
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?flush-comment |
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." [" -2 primitive-number @ - 0 .r ." ] " |
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." (Label)&&I_" c-name 2@ type ." ," cr |
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-1 primitive-number +! ; |
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: output-alias ( -- ) flush-comment on |
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?flush-comment |
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primitive-number @ . ." alias " forth-name 2@ type cr |
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-1 primitive-number +! ; |
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: output-forth ( -- ) flush-comment on |
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?flush-comment |
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forth-code @ 0= |
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IF \ output-alias |
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\ this is bad for ec: an alias is compiled if tho word does not exist! |
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\ JAW |
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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 ( -- ) |
: output-tag-file ( -- ) |
name-filename 2@ last-name-filename 2@ compare if |
name-filename 2@ last-name-filename 2@ compare if |
Line 640 set-current
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Line 708 set-current
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: process-file ( addr u xt -- ) |
: process-file ( addr u xt -- ) |
>r |
>r |
2dup filename 2! |
2dup filename 2! |
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0 function-number ! |
r/o open-file abort" cannot open file" |
r/o open-file abort" cannot open file" |
warnings @ if |
warnings @ if |
." ------------ CUT HERE -------------" cr endif |
." ------------ CUT HERE -------------" cr endif |
r> primfilter ; |
r> primfilter ; |
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: process ( xt -- ) |
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bl word count rot |
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process-file ; |
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