version 1.20, 1996/02/13 11:12:19
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version 1.43, 1999/05/10 12:54:48
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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 |
[IFUNDEF] vocabulary \ we are executed just with kernel image |
[IFUNDEF] vocabulary include search-order.fs [THEN] |
\ load the rest that is needed |
[IFUNDEF] environment? include environ.fs [THEN] |
\ (require fails because this file is needed from a |
include gray.fs |
\ different directory with the wordlibraries) |
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include ./search.fs |
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include ./extend.fs |
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[THEN] |
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[IFUNDEF] environment? |
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include ./environ.fs |
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[THEN] |
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include ./gray.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 |
255 constant maxchar |
255 constant maxchar |
Line 53 maxchar 1+ constant eof-char
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Line 62 maxchar 1+ constant eof-char
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#tab constant tab-char |
#tab constant tab-char |
#lf constant nl-char |
#lf constant nl-char |
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: read-whole-file ( c-addr1 file-id -- c-addr2 ) |
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\ reads the contents of the file file-id puts it into memory at c-addr1 |
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\ c-addr2 is the first address after the file block |
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>r dup -1 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) |
variable cookedinput \ pointer to the next char to be parsed |
variable cookedinput \ pointer to the next char to be parsed |
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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Line 116 variable name-line
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Line 122 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 171 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 - save-string 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 210 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 230 eof-char singleton charclass eof
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nowhite ++ |
nowhite ++ |
<- name ( -- ) |
<- name ( -- ) |
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(( ` \ nonl ** nl |
Variable forth-flag |
)) <- comment ( -- ) |
Variable c-flag |
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(( (( ` f || ` F )) {{ start }} nonl ** |
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{{ end forth-flag @ IF type cr ELSE 2drop THEN }} |
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)) <- forth-comment ( -- ) |
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(( (( ` c || ` C )) {{ start }} nonl ** |
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{{ end c-flag @ IF type cr ELSE 2drop THEN }} |
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)) <- c-comment ( -- ) |
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(( ` - nonl ** {{ |
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forth-flag @ IF ." [ELSE]" cr THEN |
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c-flag @ IF ." #else" cr THEN }} |
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)) <- else-comment |
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(( ` + {{ start }} nonl ** {{ end |
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dup |
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IF c-flag @ |
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IF ." #ifdef HAS_" bounds ?DO I c@ toupper emit LOOP cr |
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THEN |
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forth-flag @ |
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IF ." has? " type ." [IF]" cr THEN |
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ELSE 2drop |
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c-flag @ |
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IF ." #endif" cr THEN |
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forth-flag @ |
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IF ." [THEN]" cr THEN |
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THEN }} |
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)) <- if-comment |
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(( (( forth-comment || c-comment || else-comment || if-comment )) ?? nonl ** )) <- comment-body |
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(( ` \ comment-body nl )) <- 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 ! }} |
` - ` - blank ** |
` - ` - blank ** |
Line 247 nowhite ++
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Line 286 nowhite ++
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(( nl || eof )) |
(( nl || eof )) |
)) <- primitive ( -- ) |
)) <- primitive ( -- ) |
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(( (( primitive {{ printprim }} )) ** eof )) |
(( (( primitive {{ printprim }} )) ** eof )) |
parser primitives2something |
parser primitives2something |
warnings @ [IF] |
warnings @ [IF] |
.( parser generated ok ) cr |
.( parser generated ok ) cr |
Line 257 warnings @ [IF]
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Line 296 warnings @ [IF]
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\ 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 dup rawinput ! cookedinput ! |
here dup rawinput ! cookedinput ! |
here swap read-whole-file |
here unused rot read-file throw |
dup endrawinput ! |
dup here + endrawinput ! |
here - allot |
allot |
align |
align |
checksyncline |
checksyncline |
\ begin |
\ begin |
Line 338 constant type-description
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Line 377 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 391 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 447 s" DFloat *" single-type starts-with df_
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Line 490 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 610 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 ( -- ) |
." 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 634 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 ( -- ) |
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." (Label)&&I_" c-name 2@ type ." ," cr |
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-1 primitive-number +! ; |
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: output-alias ( -- ) |
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( primitive-number @ . ." alias " ) ." Primitive " forth-name 2@ type cr |
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-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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\ 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 720 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 ; |