version 1.32, 1998/08/29 20:46:13
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version 1.47, 2000/09/23 15:06:02
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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) 1995,1996,1997,1998,2000 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 search.fs |
[IFUNDEF] vocabulary \ we are executed just with kernel image |
require extend.fs |
\ load the rest that is needed |
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\ (require fails because this file is needed from a |
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\ 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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\ require interpretation.fs |
include ./gray.fs |
\ require debugs.fs |
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[IFUNDEF] vocabulary include search.fs [THEN] |
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[IFUNDEF] environment? include environ.fs [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 57 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 $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) |
variable cookedinput \ pointer to the next char to be parsed |
variable cookedinput \ pointer to the next char to be parsed |
Line 74 variable line \ line number of char poin
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Line 74 variable line \ line number of char poin
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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 type 0 0 f-comment 2! THEN ; |
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: start ( -- addr ) |
: start ( -- addr ) |
cookedinput @ ; |
cookedinput @ ; |
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Line 221 print-token !
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Line 214 print-token !
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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 |
bl singleton charclass blank |
bl singleton tab-char over add-member charclass white |
tab-char singleton charclass tab |
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nl-char singleton eof-char over add-member complement charclass nonl |
nl-char singleton eof-char over add-member complement charclass nonl |
nl-char singleton eof-char over add-member char : over add-member complement charclass nocolonnl |
nl-char singleton eof-char over add-member |
bl 1+ maxchar .. charclass nowhite |
char : over add-member complement charclass nocolonnl |
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bl 1+ maxchar .. char \ singleton complement intersection |
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charclass nowhitebq |
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bl 1+ maxchar .. charclass nowhite |
char " singleton eof-char over add-member complement charclass noquote |
char " singleton eof-char over add-member complement charclass noquote |
nl-char singleton charclass nl |
nl-char singleton charclass nl |
eof-char singleton charclass eof |
eof-char singleton charclass eof |
Line 234 eof-char singleton charclass eof
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Line 229 eof-char singleton charclass eof
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(( letter (( letter || digit )) ** |
(( letter (( letter || digit )) ** |
)) <- c-name ( -- ) |
)) <- c-name ( -- ) |
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nowhite ++ |
(( nowhitebq nowhite ** )) |
<- name ( -- ) |
<- name ( -- ) |
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(( {{ ?flush-comment start }} ` \ nonl ** nl {{ end |
Variable forth-flag |
2dup 2 min s" \+" compare 0= IF f-comment 2! ELSE 2drop THEN }} |
Variable c-flag |
)) <- comment ( -- ) |
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(( (( ` f || ` F )) {{ start }} nonl ** |
(( {{ effect-in }} (( {{ start }} c-name {{ end 2 pick item-name 2! item-descr + }} blank ** )) ** {{ effect-in-end ! }} |
{{ end forth-flag @ IF type cr ELSE 2drop THEN }} |
` - ` - blank ** |
)) <- forth-comment ( -- ) |
{{ effect-out }} (( {{ start }} c-name {{ end 2 pick item-name 2! item-descr + }} blank ** )) ** {{ effect-out-end ! }} |
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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 @ IF ." #endif" cr THEN |
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forth-flag @ 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 + }} white ** )) ** {{ effect-in-end ! }} |
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` - ` - white ** |
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{{ effect-out }} (( {{ start }} c-name {{ end 2 pick item-name 2! item-descr + }} white ** )) ** {{ effect-out-end ! }} |
)) <- stack-effect ( -- ) |
)) <- stack-effect ( -- ) |
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(( {{ s" " doc 2! s" " forth-code 2! }} |
(( {{ s" " doc 2! s" " forth-code 2! }} |
(( comment || nl )) ** |
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(( {{ line @ name-line ! filename 2@ name-filename 2! }} |
(( {{ line @ name-line ! filename 2@ name-filename 2! }} |
{{ start }} name {{ end 2dup forth-name 2! c-name 2! }} tab ++ |
{{ start }} name {{ end 2dup forth-name 2! c-name 2! }} white ++ |
{{ start }} stack-effect {{ end stack-string 2! }} tab ++ |
` ( white ** {{ start }} stack-effect {{ end stack-string 2! }} ` ) white ** |
{{ start }} name {{ end wordset 2! }} tab ** |
{{ start }} name {{ end wordset 2! }} white ** |
(( {{ 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 )) ?? |
{{ skipsynclines off line @ c-line ! filename 2@ c-filename 2! start }} (( nocolonnl nonl ** nl )) ** {{ end c-code 2! skipsynclines on }} |
{{ 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! }} |
)) ?? |
)) ?? {{ printprim }} |
(( nl || eof )) |
(( nl || eof )) |
)) <- primitive ( -- ) |
)) <- primitive ( -- ) |
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(( (( primitive {{ printprim }} )) ** eof )) |
(( (( comment || primitive || nl )) ** eof )) |
parser primitives2something |
parser primitives2something |
warnings @ [IF] |
warnings @ [IF] |
.( parser generated ok ) cr |
.( parser generated ok ) cr |
Line 272 warnings @ [IF]
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Line 295 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 466 s" DFloat *" single-type starts-with df_
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Line 489 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 586 set-current
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Line 609 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 |
." {" cr |
." {" cr |
Line 610 set-current
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Line 633 set-current
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cr |
cr |
; |
; |
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: dstack-used? |
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effect-in-size 2@ drop |
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effect-out-size 2@ drop max 0<> ; |
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: fstack-used? |
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effect-in-size 2@ nip |
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effect-out-size 2@ nip max 0<> ; |
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: output-funclabel ( -- ) |
: output-funclabel ( -- ) |
1 function-number +! |
1 function-number +! |
." &I_" c-name 2@ type ." ," cr ; |
." &I_" c-name 2@ type ." ," cr ; |
Line 619 set-current
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Line 650 set-current
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'" emit forth-name 2@ type '" emit ." ," cr ; |
'" emit forth-name 2@ type '" emit ." ," cr ; |
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: output-c-func ( -- ) |
: output-c-func ( -- ) |
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\ used for word libraries |
1 function-number +! |
1 function-number +! |
." void I_" c-name 2@ type ." () /* " forth-name 2@ type |
." Cell * I_" c-name 2@ type ." (Cell *SP, Cell **FP) /* " forth-name 2@ type |
." ( " stack-string 2@ type ." ) */" cr |
." ( " stack-string 2@ type ." ) */" cr |
." /* " doc 2@ type ." */" cr |
." /* " doc 2@ type ." */" cr |
." NAME(" [char] " emit forth-name 2@ type [char] " emit ." )" cr |
." NAME(" [char] " emit forth-name 2@ type [char] " emit ." )" cr |
\ debugging |
\ debugging |
." {" cr |
." {" cr |
." DEF_CA" cr |
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declarations |
declarations |
compute-offsets \ for everything else |
compute-offsets \ for everything else |
." NEXT_P0;" cr |
dstack-used? IF ." Cell *sp=SP;" cr THEN |
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fstack-used? IF ." Cell *fp=*FP;" cr THEN |
flush-tos |
flush-tos |
fetches |
fetches |
stack-pointer-updates |
stack-pointer-updates |
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fstack-used? IF ." *FP=fp;" cr THEN |
." {" cr |
." {" cr |
." #line " c-line @ . [char] " emit c-filename 2@ type [char] " emit cr |
." #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 |
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stores |
stores |
fill-tos |
fill-tos |
." NEXT_P2;" cr |
." return (sp);" cr |
." }" cr |
." }" cr |
cr ; |
cr ; |
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: output-label ( -- ) |
: output-label ( -- ) |
." &&I_" c-name 2@ type ." ," cr ; |
." (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-alias ( -- ) flush-comment on |
: output-forth ( -- ) |
?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= |
forth-code @ 0= |
IF \ output-alias |
IF \ output-alias |
\ this is bad for ec: an alias is compiled if tho word does not exist! |
\ this is bad for ec: an alias is compiled if tho word does not exist! |
Line 706 set-current
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Line 737 set-current
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: process ( xt -- ) |
: process ( xt -- ) |
bl word count rot |
bl word count rot |
process-file ; |
process-file ; |
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