version 1.17, 1995/12/23 16:21:59
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version 1.45, 2000/07/14 08:55:15
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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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[IFUNDEF] vocabulary include search-order.fs [THEN] |
[IFUNDEF] vocabulary \ we are executed just with kernel image |
[IFUNDEF] environment? include environ.fs [THEN] |
\ load the rest that is needed |
include gray.fs |
\ (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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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 |
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 |
#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 ) |
variable rawinput \ pointer to next character to be scanned |
\ reads the contents of the file file-id puts it into memory at c-addr1 |
variable endrawinput \ pointer to the end of the input (the char after the last) |
\ c-addr2 is the first address after the file block |
variable cookedinput \ pointer to the next char to be parsed |
begin ( c-addr file-id ) |
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2dup batch-size swap read-file |
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if |
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true 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 |
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variable endinput \ pointer to the end of the input (the char after the last) |
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variable line \ line number of char pointed to by input |
variable line \ line number of char pointed to by input |
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 |
\ !! unfortunately, this does not mean that they do not appear in the |
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\ output. This could be changed by copying the input (skipping |
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\ synclines) in ?nextchar |
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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 126 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 145 variable items
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Line 142 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 168 print-token !
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Line 164 print-token !
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: checksyncline ( -- ) |
: checksyncline ( -- ) |
\ when input points to a newline, check if the next line is a |
\ when input points to a newline, check if the next line is a |
\ sync line. If it is, perform the appropriate actions. |
\ sync line. If it is, perform the appropriate actions. |
input @ >r |
rawinput @ >r |
s" #line " r@ over compare 0<> if |
s" #line " r@ over compare 0<> if |
rdrop 1 line +! EXIT |
rdrop 1 line +! EXIT |
endif |
endif |
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" |
skipsynclines @ if |
skipsynclines @ if |
dup char+ input ! |
dup char+ rawinput ! |
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rawinput @ c@ cookedinput @ c! |
endif |
endif |
drop ; |
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 |
input @ c@ |
rawinput @ c@ |
1 input +! |
1 chars rawinput +! |
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1 chars cookedinput +! |
nl-char = if |
nl-char = if |
checksyncline |
checksyncline |
endif |
endif |
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rawinput @ c@ cookedinput @ c! |
endif ; |
endif ; |
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: charclass ( set "name" -- ) |
: charclass ( set "name" -- ) |
Line 211 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 |
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 char : over add-member complement charclass nocolonnl |
bl 1+ maxchar .. charclass nowhite |
bl 1+ maxchar .. charclass nowhite |
Line 231 eof-char singleton charclass eof
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Line 229 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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\ (( ` # ` l ` i ` n ` e blank |
(( (( ` f || ` F )) {{ start }} nonl ** |
\ {{ 0. start }} digit ++ {{ end >number abort" line number?" drop drop 1- line ! }} blank |
{{ end forth-flag @ IF type cr ELSE 2drop THEN }} |
\ (( ` " {{ start }} noquote ++ {{ end filename 2! }} `" )) ?? |
)) <- forth-comment ( -- ) |
\ nl |
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\ )) <- syncline ( -- ) |
(( (( ` c || ` C )) {{ start }} nonl ** |
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{{ end c-flag @ IF type cr ELSE 2drop THEN }} |
\ (( nl syncline ?? )) <- nlsync |
)) <- c-comment ( -- ) |
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(( {{ effect-in }} (( {{ start }} c-name {{ end 2 pick item-name 2! item-descr + }} blank ** )) ** {{ effect-in-end ! }} |
(( ` - nonl ** {{ |
` - ` - blank ** |
forth-flag @ IF ." [ELSE]" cr THEN |
{{ effect-out }} (( {{ start }} c-name {{ end 2 pick item-name 2! item-descr + }} blank ** )) ** {{ effect-out-end ! }} |
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 + }} 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 )) ** |
(( comment || nl )) ** |
(( {{ 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 )) ?? |
{{ line @ c-line ! filename 2@ c-filename 2! 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! }} |
)) ?? |
)) ?? |
(( 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 272 warnings @ [IF]
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Line 294 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 unused rot read-file throw |
dup endinput ! |
dup here + endrawinput ! |
here - allot |
allot |
align |
align |
checksyncline |
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 318 constant type-description
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Line 343 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 351 constant type-description
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Line 376 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 361 constant type-description
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Line 390 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 373 constant type-description
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Line 402 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 460 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 580 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 604 set-current
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Line 633 set-current
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cr |
cr |
; |
; |
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: output-label ( -- ) |
: dstack-used? |
." &&I_" c-name 2@ type ." ," cr ; |
effect-in-size 2@ drop |
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effect-out-size 2@ drop max 0<> ; |
: output-alias ( -- ) |
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primitive-number @ . ." alias " forth-name 2@ type cr |
: fstack-used? |
-1 primitive-number +! ; |
effect-in-size 2@ nip |
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effect-out-size 2@ nip max 0<> ; |
: output-forth ( -- ) |
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forth-code @ 0= |
: output-funclabel ( -- ) |
IF output-alias |
1 function-number +! |
ELSE ." : " forth-name 2@ type ." ( " |
." &I_" c-name 2@ type ." ," cr ; |
effect-in effect-in-end @ .stack-list ." -- " |
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effect-out effect-out-end @ .stack-list ." )" cr |
: output-forthname ( -- ) |
forth-code 2@ type cr |
1 function-number +! |
-1 primitive-number +! |
'" emit forth-name 2@ type '" emit ." ," cr ; |
THEN ; |
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: output-c-func ( -- ) |
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\ used for word libraries |
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1 function-number +! |
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." Cell * I_" c-name 2@ type ." (Cell *SP, Cell **FP) /* " forth-name 2@ type |
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." ( " stack-string 2@ type ." ) */" cr |
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." /* " doc 2@ type ." */" cr |
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." NAME(" [char] " emit forth-name 2@ type [char] " emit ." )" cr |
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\ debugging |
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." {" cr |
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declarations |
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compute-offsets \ for everything else |
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dstack-used? IF ." Cell *sp=SP;" cr THEN |
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fstack-used? IF ." Cell *fp=*FP;" cr THEN |
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flush-tos |
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fetches |
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stack-pointer-updates |
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fstack-used? IF ." *FP=fp;" cr THEN |
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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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stores |
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fill-tos |
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." return (sp);" 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 653 set-current
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Line 728 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 ; |