version 1.139, 2003/05/11 17:17:13
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version 1.164, 2007/04/01 21:30:26
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\ CROSS.FS The Cross-Compiler 06oct92py |
\ CROSS.FS The Cross-Compiler 06oct92py |
\ Idea and implementation: Bernd Paysan (py) |
\ Idea and implementation: Bernd Paysan (py) |
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\ Copyright (C) 1995,1996,1997,1998,1999,2000,2003 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998,1999,2000,2003,2004,2005,2006 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 447 sourcepath value fpath
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Line 447 sourcepath value fpath
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\G Make a complete new Forth search path; the path separator is |. |
\G Make a complete new Forth search path; the path separator is |. |
fpath path= ; |
fpath path= ; |
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: path>counted cell+ dup cell+ swap @ ; |
: path>string cell+ dup cell+ swap @ ; |
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: next-path ( adr len -- adr2 len2 ) |
: next-path ( adr len -- adr2 len2 ) |
2dup 0 scan |
2dup 0 scan |
Line 456 sourcepath value fpath
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Line 456 sourcepath value fpath
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r> - ; |
r> - ; |
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: previous-path ( path^ -- ) |
: previous-path ( path^ -- ) |
dup path>counted |
dup path>string |
BEGIN tuck dup WHILE repeat ; |
BEGIN tuck dup WHILE repeat ; |
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: .path ( path-addr -- ) \ gforth |
: .path ( path-addr -- ) \ gforth |
\G Display the contents of the search path @var{path-addr}. |
\G Display the contents of the search path @var{path-addr}. |
path>counted |
path>string |
BEGIN next-path dup WHILE type space REPEAT 2drop 2drop ; |
BEGIN next-path dup WHILE type space REPEAT 2drop 2drop ; |
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: .fpath ( -- ) \ gforth |
: .fpath ( -- ) \ gforth |
Line 546 Create tfile 0 c, 255 chars allot
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Line 546 Create tfile 0 c, 255 chars allot
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IF rdrop |
IF rdrop |
ofile place open-ofile |
ofile place open-ofile |
dup 0= IF >r ofile count r> THEN EXIT |
dup 0= IF >r ofile count r> THEN EXIT |
ELSE r> path>counted |
ELSE r> path>string |
BEGIN next-path dup |
BEGIN next-path dup |
WHILE 5 pick 5 pick check-path |
WHILE 5 pick 5 pick check-path |
0= IF >r 2drop 2drop r> ofile count 0 EXIT ELSE drop THEN |
0= IF >r 2drop 2drop r> ofile count 0 EXIT ELSE drop THEN |
Line 1175 false DefaultValue header
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Line 1175 false DefaultValue header
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false DefaultValue backtrace |
false DefaultValue backtrace |
false DefaultValue new-input |
false DefaultValue new-input |
false DefaultValue peephole |
false DefaultValue peephole |
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false DefaultValue primcentric |
false DefaultValue abranch |
false DefaultValue abranch |
true DefaultValue f83headerstring |
true DefaultValue f83headerstring |
true DefaultValue control-rack |
true DefaultValue control-rack |
[THEN] |
[THEN] |
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true DefaultValue gforthcross |
true DefaultValue gforthcross |
true DefaultValue interpreter |
true DefaultValue interpreter |
true DefaultValue ITC |
true DefaultValue ITC |
false DefaultValue rom |
false DefaultValue rom |
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false DefaultValue flash |
true DefaultValue standardthreading |
true DefaultValue standardthreading |
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\ ANSForth environment stuff |
\ ANSForth environment stuff |
Line 1242 bits/byte Constant tbits/byte
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Line 1244 bits/byte Constant tbits/byte
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H |
H |
tbits/char bits/byte / Constant tbyte |
tbits/char bits/byte / Constant tbyte |
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: >signed ( u -- n ) |
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1 tbits/char tcell * 1- lshift 2dup and |
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IF negate or ELSE drop THEN ; |
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\ Variables 06oct92py |
\ Variables 06oct92py |
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Line 1722 Ghost (do) Ghost (?do)
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Line 1727 Ghost (do) Ghost (?do)
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Ghost (for) drop |
Ghost (for) drop |
Ghost (loop) Ghost (+loop) 2drop |
Ghost (loop) Ghost (+loop) 2drop |
Ghost (next) drop |
Ghost (next) drop |
Ghost (does>) Ghost (compile) 2drop |
Ghost (does>) Ghost (does>1) Ghost (does>2) 2drop drop |
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Ghost compile, drop |
Ghost (.") Ghost (S") Ghost (ABORT") 2drop drop |
Ghost (.") Ghost (S") Ghost (ABORT") 2drop drop |
Ghost (C") Ghost c(abort") Ghost type 2drop drop |
Ghost (C") Ghost c(abort") Ghost type 2drop drop |
Ghost ' drop |
Ghost ' drop |
Line 1750 Ghost state drop
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Line 1756 Ghost state drop
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swap -rot bounds ?DO I c@ over X c! X char+ LOOP drop ; |
swap -rot bounds ?DO I c@ over X c! X char+ LOOP drop ; |
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2Variable last-string |
2Variable last-string |
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X has? rom [IF] $60 [ELSE] $00 [THEN] Constant header-masks |
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: ht-header, ( addr count -- ) |
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dup there swap last-string 2! |
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dup header-masks or T c, H bounds ?DO I c@ T c, H LOOP ; |
: ht-string, ( addr count -- ) |
: ht-string, ( addr count -- ) |
dup there swap last-string 2! |
dup there swap last-string 2! |
dup T c, H bounds ?DO I c@ T c, H LOOP ; |
dup T c, H bounds ?DO I c@ T c, H LOOP ; |
Line 1761 Ghost state drop
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Line 1771 Ghost state drop
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: count dup X c@ swap X char+ swap ; |
: count dup X c@ swap X char+ swap ; |
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: on -1 -1 rot TD! ; |
: on >r -1 -1 r> TD! ; |
: off T 0 swap ! H ; |
: off T 0 swap ! H ; |
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: tcmove ( source dest len -- ) |
: tcmove ( source dest len -- ) |
Line 1770 Ghost state drop
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Line 1780 Ghost state drop
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?DO dup T c@ H I T c! H 1+ |
?DO dup T c@ H I T c! H 1+ |
tchar +LOOP drop ; |
tchar +LOOP drop ; |
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: tcallot ( char size -- ) |
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0 ?DO dup T c, H tchar +LOOP drop ; |
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: td, ( d -- ) |
: td, ( d -- ) |
\G Store a host value as one cell into the target |
\G Store a host value as one cell into the target |
there tcell X allot TD! ; |
there tcell X allot TD! ; |
Line 2026 variable ResolveFlag
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Line 2039 variable ResolveFlag
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\ Header states 12dec92py |
\ Header states 12dec92py |
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\ : flag! ( 8b -- ) tlast @ dup >r T c@ xor r> c! H ; |
\ : flag! ( 8b -- ) tlast @ dup >r T c@ xor r> c! H ; |
bigendian [IF] 0 [ELSE] tcell 1- [THEN] Constant flag+ |
X has? f83headerstring bigendian or [IF] 0 [ELSE] tcell 1- [THEN] Constant flag+ |
: flag! ( w -- ) tlast @ flag+ + dup >r T c@ xor r> c! H ; |
: flag! ( w -- ) tlast @ flag+ + dup >r T c@ xor r> c! H ; |
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VARIABLE ^imm |
VARIABLE ^imm |
Line 2056 $20 constant restrict-mask
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Line 2069 $20 constant restrict-mask
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>TARGET |
>TARGET |
X has? f83headerstring [IF] |
X has? f83headerstring [IF] |
: name, ( "name" -- ) bl word count ht-string, X cfalign ; |
: name, ( "name" -- ) bl word count ht-header, X cfalign ; |
[ELSE] |
[ELSE] |
: name, ( "name" -- ) bl word count ht-lstring, X cfalign ; |
: name, ( "name" -- ) bl word count ht-lstring, X cfalign ; |
[THEN] |
[THEN] |
Line 2204 NoHeaderFlag off
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Line 2217 NoHeaderFlag off
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ENDCASE |
ENDCASE |
LOOP ; |
LOOP ; |
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Defer setup-execution-semantics |
Defer setup-execution-semantics ' noop IS setup-execution-semantics |
0 Value lastghost |
0 Value lastghost |
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: (THeader ( "name" -- ghost ) |
: (THeader ( "name" -- ghost ) |
Line 2296 Defer setup-prim-semantics
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Line 2309 Defer setup-prim-semantics
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Variable prim# |
Variable prim# |
: first-primitive ( n -- ) prim# ! ; |
: first-primitive ( n -- ) prim# ! ; |
: group 0 word drop prim# @ 1- -$200 and prim# ! ; |
: group 0 word drop prim# @ 1- -$200 and prim# ! ; |
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: groupadd ( n -- ) drop ; |
: Primitive ( -- ) \ name |
: Primitive ( -- ) \ name |
>in @ skip? IF drop EXIT THEN >in ! |
>in @ skip? IF drop EXIT THEN >in ! |
s" prims" T $has? H 0= |
s" prims" T $has? H 0= |
Line 2305 Variable prim#
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Line 2319 Variable prim#
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prim# @ (THeader ( S xt ghost ) |
prim# @ (THeader ( S xt ghost ) |
['] prim-resolved over >comp ! |
['] prim-resolved over >comp ! |
dup >ghost-flags <primitive> set-flag |
dup >ghost-flags <primitive> set-flag |
over resolve-noforwards T A, H alias-mask flag! |
s" EC" T $has? H 0= |
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IF |
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over resolve-noforwards T A, H |
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alias-mask flag! |
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ELSE |
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T here H resolve-noforwards T A, H |
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THEN |
-1 prim# +! ; |
-1 prim# +! ; |
>CROSS |
>CROSS |
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Line 2568 Cond: MAXI
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Line 2588 Cond: MAXI
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(THeader (:) ; |
(THeader (:) ; |
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: :noname ( -- colon-sys ) |
: :noname ( -- colon-sys ) |
X cfalign there |
switchrom X cfalign there |
\ define a nameless ghost |
\ define a nameless ghost |
here ghostheader dup last-header-ghost ! dup to lastghost |
here ghostheader dup last-header-ghost ! dup to lastghost |
(:) ; |
(:) ; |
Line 2613 Cond: [ ( -- ) interpreting-state ;Cond
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Line 2633 Cond: [ ( -- ) interpreting-state ;Cond
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r@ created >do:ghost ! r@ swap resolve |
r@ created >do:ghost ! r@ swap resolve |
r> tlastcfa @ >tempdp dodoes, tempdp> ; |
r> tlastcfa @ >tempdp dodoes, tempdp> ; |
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Defer instant-interpret-does>-hook |
Defer instant-interpret-does>-hook ' noop IS instant-interpret-does>-hook |
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T has? peephole H [IF] |
T has? primcentric H [IF] |
: does-resolved ( ghost -- ) |
: does-resolved ( ghost -- ) |
compile does-exec g>xt T a, H ; |
compile does-exec g>xt T a, H ; |
[ELSE] |
[ELSE] |
Line 2630 T has? peephole H [IF]
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Line 2650 T has? peephole H [IF]
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>TARGET |
>TARGET |
Cond: DOES> |
Cond: DOES> |
compile (does>) doeshandler, |
T here H [ T has? primcentric H [IF] ] 5 [ [ELSE] ] 4 [ [THEN] ] T cells |
resolve-does>-part |
H + alit, compile (does>2) compile ;s |
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doeshandler, resolve-does>-part |
;Cond |
;Cond |
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: DOES> |
: DOES> |
Line 2820 by Create
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Line 2841 by Create
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: u, ( n -- udp ) |
: u, ( n -- udp ) |
current-region >r user-region activate |
current-region >r user-region activate |
X here swap X , tup@ - |
X here swap X , tup@ - |
r> activate ; |
r> activate ; |
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: au, ( n -- udp ) |
: au, ( n -- udp ) |
Line 2861 by User
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Line 2882 by User
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[THEN] |
[THEN] |
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T has? rom H [IF] |
Builder (Value) |
Builder (Value) |
Build: ( n -- ) ;Build |
Build: ( n -- ) ;Build |
by: :docon ( target-body-addr -- n ) T @ H ;DO |
by: :dovalue ( target-body-addr -- n ) T @ @ H ;DO |
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Builder Value |
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Build: T here 0 A, H switchram T align here swap ! , H ;Build |
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by (Value) |
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Builder AValue |
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Build: T here 0 A, H switchram T align here swap ! A, H ;Build |
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by (Value) |
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[ELSE] |
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Builder (Value) |
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Build: ( n -- ) ;Build |
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by: :dovalue ( target-body-addr -- n ) T @ H ;DO |
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Builder Value |
Builder Value |
BuildSmart: T , H ;Build |
BuildSmart: T , H ;Build |
Line 2872 by (Value)
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Line 2906 by (Value)
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Builder AValue |
Builder AValue |
BuildSmart: T A, H ;Build |
BuildSmart: T A, H ;Build |
by (Value) |
by (Value) |
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[THEN] |
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Defer texecute |
Defer texecute |
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Builder Defer |
Builder Defer |
BuildSmart: ( -- ) [T'] noop T A, H ;Build |
T has? rom H [IF] |
by: :dodefer ( ghost -- ) X @ texecute ;DO |
Build: ( -- ) T here 0 A, H switchram T align here swap ! H [T'] noop T A, H ( switchrom ) ;Build |
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by: :dodefer ( ghost -- ) X @ X @ texecute ;DO |
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[ELSE] |
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BuildSmart: ( -- ) [T'] noop T A, H ;Build |
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by: :dodefer ( ghost -- ) X @ texecute ;DO |
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[THEN] |
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Builder interpret/compile: |
Builder interpret/compile: |
Build: ( inter comp -- ) swap T A, A, H ;Build-immediate |
Build: ( inter comp -- ) swap T A, A, H ;Build-immediate |
Line 2930 DO: abort" Not in cross mode" ;DO
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Line 2970 DO: abort" Not in cross mode" ;DO
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\ optimizer for cross |
\ optimizer for cross |
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T has? peephole H [IF] |
T has? primcentric H [IF] |
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\ .( loading peephole optimization) cr |
\ .( loading peephole optimization) cr |
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Line 2940 T has? peephole H [IF]
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Line 2980 T has? peephole H [IF]
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: (callcm) T here 0 a, 0 a, H ; ' (callcm) plugin-of colonmark, |
: (callcm) T here 0 a, 0 a, H ; ' (callcm) plugin-of colonmark, |
: (call-res) >tempdp resolved gexecute tempdp> drop ; |
: (call-res) >tempdp resolved gexecute tempdp> drop ; |
' (call-res) plugin-of colon-resolve |
' (call-res) plugin-of colon-resolve |
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T has? ec H [IF] |
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: (pprim) T @ H >signed dup 0< IF $4000 - ELSE |
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cr ." wrong usage of (prim) " |
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dup gdiscover IF .ghost ELSE . THEN cr -1 throw THEN |
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T a, H ; ' (pprim) plugin-of prim, |
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[ELSE] |
: (pprim) dup 0< IF $4000 - ELSE |
: (pprim) dup 0< IF $4000 - ELSE |
cr ." wrong usage of (prim) " |
cr ." wrong usage of (prim) " |
dup gdiscover IF .ghost ELSE . THEN cr -1 throw THEN |
dup gdiscover IF .ghost ELSE . THEN cr -1 throw THEN |
T a, H ; ' (pprim) plugin-of prim, |
T a, H ; ' (pprim) plugin-of prim, |
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[THEN] |
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\ if we want this, we have to spilt aconstant |
\ if we want this, we have to spilt aconstant |
\ and constant!! |
\ and constant!! |
Line 2967 Builder Defer
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Line 3014 Builder Defer
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compile: g>body compile lit-perform T A, H ;compile |
compile: g>body compile lit-perform T A, H ;compile |
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Builder (Field) |
Builder (Field) |
compile: g>body T @ H compile lit+ T , H ;compile |
compile: g>body T @ H compile lit+ T here H reloff T , H ;compile |
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Builder interpret/compile: |
Builder interpret/compile: |
compile: does-resolved ;compile |
compile: does-resolved ;compile |
Line 3210 Cond: ABORT" if, ahead, there [char]
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Line 3257 Cond: ABORT" if, ahead, there [char]
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>r then, r> compile ALiteral compile c(abort") then, ;Cond |
>r then, r> compile ALiteral compile c(abort") then, ;Cond |
[THEN] |
[THEN] |
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X has? rom [IF] |
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Cond: IS T ' >body @ H compile ALiteral compile ! ;Cond |
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: IS T >address ' >body @ ! H ; |
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Cond: TO T ' >body @ H compile ALiteral compile ! ;Cond |
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: TO T ' >body @ ! H ; |
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Cond: CTO T ' >body H compile ALiteral compile ! ;Cond |
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: CTO T ' >body ! H ; |
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[ELSE] |
Cond: IS T ' >body H compile ALiteral compile ! ;Cond |
Cond: IS T ' >body H compile ALiteral compile ! ;Cond |
: IS T >address ' >body ! H ; |
: IS T >address ' >body ! H ; |
Cond: TO T ' >body H compile ALiteral compile ! ;Cond |
Cond: TO T ' >body H compile ALiteral compile ! ;Cond |
: TO T ' >body ! H ; |
: TO T ' >body ! H ; |
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[THEN] |
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Cond: defers T ' >body @ compile, H ;Cond |
Cond: defers T ' >body @ compile, H ;Cond |
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Line 3246 Cond: postpone ( -- ) \ name
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Line 3302 Cond: postpone ( -- ) \ name
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ABORT" CROSS: Can't postpone on forward declaration" |
ABORT" CROSS: Can't postpone on forward declaration" |
dup >magic @ <imm> = |
dup >magic @ <imm> = |
IF (gexecute) |
IF (gexecute) |
ELSE compile (compile) addr, THEN ;Cond |
ELSE >link @ alit, compile compile, THEN ;Cond |
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\ save-cross 17mar93py |
\ save-cross 17mar93py |
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Line 3267 tchar 8 = 78 and or
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Line 3323 tchar 8 = 78 and or
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magic 7 + c! |
magic 7 + c! |
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: save-cross ( "image-name" "binary-name" -- ) |
: save-cross ( "image-name" "binary-name" -- ) |
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.regions \ s" ec" X $has? IF .regions THEN |
bl parse ." Saving to " 2dup type cr |
bl parse ." Saving to " 2dup type cr |
w/o bin create-file throw >r |
w/o bin create-file throw >r |
s" header" X $has? IF |
s" header" X $has? IF |
Line 3283 magic 7 + c!
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Line 3340 magic 7 + c!
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ELSE |
ELSE |
bl parse 2drop |
bl parse 2drop |
THEN |
THEN |
dictionary >rmem @ there |
>rom dictionary >rmem @ there |
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s" rom" X $has? IF dictionary >rstart @ - THEN |
r@ write-file throw \ write image |
r@ write-file throw \ write image |
s" relocate" X $has? IF |
s" relocate" X $has? IF |
dictionary >rbm @ there 1- tcell>bit rshift 1+ |
dictionary >rbm @ there 1- tcell>bit rshift 1+ |
Line 3691 previous
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Line 3749 previous
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: 2/ 2/ ; |
: 2/ 2/ ; |
: hex. base @ $10 base ! swap . base ! ; |
: hex. base @ $10 base ! swap . base ! ; |
: invert invert ; |
: invert invert ; |
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: linkstring ( addr u n addr -- ) |
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X here over X @ X , swap X ! X , ht-string, X align ; |
\ : . . ; |
\ : . . ; |
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: all-words ['] forced? IS skip? ; |
: all-words ['] forced? IS skip? ; |