version 1.12, 1995/02/02 18:13:10
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version 1.17, 1995/12/23 16:21:59
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\ converts primitives to, e.g., C code |
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\ Copyright (C) 1995 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 29 include gray.fs
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Line 50 include gray.fs
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4096 constant batch-size \ no meaning, just make sure it's >0 |
4096 constant batch-size \ no meaning, just make sure it's >0 |
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 ) |
: 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 |
Line 47 maxchar 1+ constant eof-char
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Line 68 maxchar 1+ constant eof-char
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variable input \ pointer to next character to be parsed |
variable input \ pointer to next character to be parsed |
variable endinput \ pointer to the end of the input (the char after the last) |
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 |
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1 line ! |
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2variable filename \ filename of original input file |
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0 0 filename 2! |
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variable skipsynclines \ are sync lines ("#line ...") invisible to the parser? |
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skipsynclines on |
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\ !! 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 @ ; |
input @ ; |
Line 89 variable effect-in-end ( pointer )
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Line 119 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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\ 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 130 print-token !
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Line 165 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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input @ >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 - 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+ input ! |
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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 |
." syntax error" cr |
getinput . cr |
getinput . cr |
input @ endinput @ over - 100 min type cr |
input @ endinput @ over - 100 min type cr |
abort |
abort |
endif |
endif |
input @ endinput @ <> if |
input @ endinput @ <> if |
1 input +! |
input @ c@ |
endif ; |
1 input +! |
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nl-char = if |
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checksyncline |
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endif |
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endif ; |
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: charclass ( set "name" -- ) |
: charclass ( set "name" -- ) |
['] ?nextchar terminal ; |
['] ?nextchar terminal ; |
Line 176 nowhite ++
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Line 234 nowhite ++
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(( ` \ nonl ** nl |
(( ` \ nonl ** nl |
)) <- comment ( -- ) |
)) <- comment ( -- ) |
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\ (( ` # ` l ` i ` n ` e blank |
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\ {{ 0. start }} digit ++ {{ end >number abort" line number?" drop drop 1- line ! }} blank |
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\ (( ` " {{ start }} noquote ++ {{ end filename 2! }} `" )) ?? |
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\ nl |
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\ )) <- syncline ( -- ) |
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\ (( nl syncline ?? )) <- nlsync |
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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 ** |
{{ effect-out }} (( {{ start }} c-name {{ end 2 pick item-name 2! item-descr + }} blank ** )) ** {{ effect-out-end ! }} |
{{ effect-out }} (( {{ start }} c-name {{ end 2 pick item-name 2! item-descr + }} blank ** )) ** {{ effect-out-end ! }} |
Line 183 nowhite ++
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Line 249 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! }} |
{{ line @ c-line ! filename 2@ c-filename 2! start }} (( nocolonnl nonl ** nl )) ** {{ end c-code 2! }} |
(( ` : nl |
(( ` : nl |
{{ start }} (( nonl ++ nl )) ++ {{ end forth-code 2! }} |
{{ start }} (( nonl ++ nl )) ++ {{ end forth-code 2! }} |
)) ?? |
)) ?? |
Line 210 warnings @ [IF]
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Line 277 warnings @ [IF]
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dup endinput ! |
dup endinput ! |
here - allot |
here - allot |
align |
align |
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checksyncline |
primitives2something ; |
primitives2something ; |
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\ types |
\ types |
Line 463 set-current
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Line 531 set-current
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: flush-tos ( -- ) |
: flush-tos ( -- ) |
effect-in-size 2@ effect-out-size 2@ |
effect-in-size 2@ effect-out-size 2@ |
rot - swap rot - ( -f-diff -d-diff ) >r >r |
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effect-in-size 2@ effect-out-size 2@ |
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0<> rot 0= and |
0<> rot 0= and |
if |
if |
." IF_FTOS(fp[" r@ 0 .r ." ] = FTOS);" cr |
." IF_FTOS(fp[0] = FTOS);" cr |
endif rdrop |
endif |
0<> swap 0= and |
0<> swap 0= and |
if |
if |
." IF_TOS(sp[" r@ 0 .r ." ] = TOS);" cr |
." IF_TOS(sp[0] = TOS);" cr |
endif rdrop ; |
endif ; |
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: fill-tos ( -- ) |
: fill-tos ( -- ) |
effect-in-size 2@ effect-out-size 2@ |
effect-in-size 2@ effect-out-size 2@ |
Line 517 set-current
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Line 583 set-current
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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 |
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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 |
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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 |
flush-tos |
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stores |
stores |
fill-tos |
fill-tos |
." NEXT_P2;" cr |
." NEXT_P2;" cr |
Line 553 set-current
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Line 621 set-current
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-1 primitive-number +! |
-1 primitive-number +! |
THEN ; |
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 |
r/o open-file abort" cannot open file" |
r> primfilter ; |
warnings @ if |
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." ------------ CUT HERE -------------" cr endif |
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r> primfilter ; |
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