version 1.11, 1994/11/17 15:53:19
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version 1.42, 1999/05/10 12:50:49
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\ converts primitives to, e.g., C code |
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\ Copyright (C) 1995,1996,1997,1998 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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[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 |
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 ) |
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 ) |
variable line \ line number of char pointed to by input |
2dup batch-size swap read-file |
1 line ! |
if |
2variable filename \ filename of original input file |
true abort" I/O error" |
0 0 filename 2! |
endif |
2variable f-comment |
( c-addr file-id actual-size ) rot over + -rot |
0 0 f-comment 2! |
batch-size <> |
variable skipsynclines \ are sync lines ("#line ...") invisible to the parser? |
until |
skipsynclines on |
drop ; |
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Variable flush-comment flush-comment off |
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) |
: ?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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2dup s" -" compare 0= |
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IF |
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flush-comment @ 1 = |
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IF ." #else" |
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ELSE ." [ELSE]" THEN |
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ELSE |
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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 |
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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 ) |
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 89 variable effect-in-end ( pointer )
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Line 136 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 -9 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 110 variable items
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Line 163 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 130 print-token !
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Line 182 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-mem 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 153 print-token !
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Line 231 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 173 eof-char singleton charclass eof
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Line 251 eof-char singleton charclass eof
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nowhite ++ |
nowhite ++ |
<- name ( -- ) |
<- name ( -- ) |
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(( ` \ nonl ** nl |
Variable forth-flag |
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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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(( (( forth-comment || c-comment )) ?? nonl ** )) <- comment-body |
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(( {{ ?flush-comment start }} ` \ comment-body 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 183 nowhite ++
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Line 275 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! }} |
)) ?? |
)) ?? |
(( 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 205 warnings @ [IF]
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Line 298 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 |
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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 250 constant type-description
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Line 347 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 283 constant type-description
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Line 380 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 293 constant type-description
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Line 394 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 305 constant type-description
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Line 406 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 392 s" DFloat *" single-type starts-with df_
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Line 493 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 512 set-current
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Line 613 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 |
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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 |
Line 534 set-current
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Line 638 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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." (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 " ) ." Primitive " 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 ( -- ) |
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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 |
[IFDEF] documentation |
: register-doc ( -- ) |
: register-doc ( -- ) |
get-current documentation set-current |
get-current documentation set-current |
forth-name 2@ nextname create |
forth-name 2@ nextname create |
forth-name 2@ 2, |
forth-name 2@ 2, |
stack-string 2@ 2, |
stack-string 2@ condition-stack-effect 2, |
wordset 2@ 2, |
wordset 2@ 2, |
c-name 2@ 2, |
c-name 2@ condition-pronounciation 2, |
doc 2@ 2, |
doc 2@ 2, |
set-current ; |
set-current ; |
[THEN] |
[THEN] |
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: process-file ( addr u xt -- ) |
: process-file ( addr u xt -- ) |
>r r/o open-file abort" cannot open file" |
>r |
warnings @ if |
2dup filename 2! |
." ------------ CUT HERE -------------" cr endif |
0 function-number ! |
r> primfilter ; |
r/o open-file abort" cannot open file" |
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warnings @ if |
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." ------------ CUT HERE -------------" cr endif |
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r> primfilter ; |
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: process ( xt -- ) |
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bl word count rot |
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process-file ; |