version 1.11, 1994/09/02 15:23:33
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version 1.42, 1997/02/06 21:22:58
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Line 1
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\ CROSS.FS The Cross-Compiler 06oct92py |
\ CROSS.FS The Cross-Compiler 06oct92py |
\ $Id$ |
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\ Idea and implementation: Bernd Paysan (py) |
\ Idea and implementation: Bernd Paysan (py) |
\ Copyright 1992 by the ANSI figForth Development Group |
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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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\ Log: |
\ Log: |
\ changed in ; [ to state off 12may93jaw |
\ changed in ; [ to state off 12may93jaw |
Line 23
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Line 39
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\ include other.fs \ ansforth extentions for cross |
\ include other.fs \ ansforth extentions for cross |
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: string, ( c-addr u -- ) |
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\ puts down string as cstring |
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dup c, here swap chars dup allot move ; |
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' falign Alias cfalign |
: comment? ( c-addr u -- c-addr u ) |
: comment? ( c-addr u -- c-addr u ) |
2dup s" (" compare 0= |
2dup s" (" compare 0= |
IF postpone ( |
IF postpone ( |
Line 39 decimal
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Line 59 decimal
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VARIABLE GhostNames |
VARIABLE GhostNames |
0 GhostNames ! |
0 GhostNames ! |
: GhostName ( -- addr ) |
: GhostName ( -- addr ) |
here GhostNames @ , GhostNames ! here 0 , |
here GhostNames @ , GhostNames ! here 0 , |
name count |
bl word count |
\ 2dup type space |
\ 2dup type space |
dup c, here over chars allot swap move align ; |
string, cfalign ; |
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hex |
hex |
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Line 84 Variable tdp
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Line 104 Variable tdp
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\ Parameter for target systems 06oct92py |
\ Parameter for target systems 06oct92py |
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include-file |
mach-file count included |
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\ Create additional parameters 19jan95py |
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T |
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cell Constant tcell |
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cell<< Constant tcell<< |
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cell>bit Constant tcell>bit |
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bits/byte Constant tbits/byte |
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float Constant tfloat |
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1 bits/byte lshift Constant maxbyte |
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H |
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>TARGET |
>TARGET |
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\ Byte ordering and cell size 06oct92py |
\ Byte ordering and cell size 06oct92py |
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: cell+ cell + ; |
: cell+ tcell + ; |
: cells cell<< lshift ; |
: cells tcell<< lshift ; |
: chars ; |
: chars ; |
: floats float * ; |
: floats tfloat * ; |
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>CROSS |
>CROSS |
: cell/ cell<< rshift ; |
: cell/ tcell<< rshift ; |
>TARGET |
>TARGET |
20 CONSTANT bl |
20 CONSTANT bl |
-1 Constant NIL |
-1 Constant NIL |
-2 Constant :docol |
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-3 Constant :docon |
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-4 Constant :dovar |
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-5 Constant :douser |
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-6 Constant :dodefer |
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-7 Constant :dodoes |
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-8 Constant :doesjump |
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>CROSS |
>CROSS |
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endian 0 pad ! -1 pad c! pad @ 0< |
bigendian |
= [IF] : bswap ; immediate |
[IF] |
[ELSE] : bswap ( big / little -- little / big ) 0 |
: T! ( n addr -- ) >r s>d r> tcell bounds swap 1- |
cell 1- FOR bits/byte lshift over |
DO maxbyte ud/mod rot I c! -1 +LOOP 2drop ; |
[ 1 bits/byte lshift 1- ] Literal and or |
: T@ ( addr -- n ) >r 0 0 r> tcell bounds |
swap bits/byte rshift swap NEXT nip ; |
DO maxbyte * swap maxbyte um* rot + swap I c@ + swap LOOP d>s ; |
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[ELSE] |
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: T! ( n addr -- ) >r s>d r> tcell bounds |
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DO maxbyte ud/mod rot I c! LOOP 2drop ; |
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: T@ ( addr -- n ) >r 0 0 r> tcell bounds swap 1- |
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DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP d>s ; |
[THEN] |
[THEN] |
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\ Memory initialisation 05dec92py |
\ Memory initialisation 05dec92py |
Line 136 endian 0 pad ! -1 pad c! pad @ 0<
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Line 165 endian 0 pad ! -1 pad c! pad @ 0<
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\ MakeKernal 12dec92py |
\ MakeKernal 12dec92py |
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>MINIMAL |
>MINIMAL |
: makekernal ( targetsize -- targetsize ) |
: makekernel ( targetsize -- targetsize ) |
bit$ over 1- cell>bit rshift 1+ initmem |
bit$ over 1- cell>bit rshift 1+ initmem |
image over initmem tdp off ; |
image over initmem tdp off ; |
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Line 156 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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Line 185 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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: align+ ( taddr -- rest ) |
: align+ ( taddr -- rest ) |
cell tuck 1- and - [ cell 1- ] Literal and ; |
cell tuck 1- and - [ cell 1- ] Literal and ; |
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: cfalign+ ( taddr -- rest ) |
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\ see kernel.fs:cfaligned |
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float tuck 1- and - [ float 1- ] Literal and ; |
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>TARGET |
>TARGET |
: aligned ( taddr -- ta-addr ) dup align+ + ; |
: aligned ( taddr -- ta-addr ) dup align+ + ; |
\ assumes cell alignment granularity (as GNU C) |
\ assumes cell alignment granularity (as GNU C) |
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: cfaligned ( taddr1 -- taddr2 ) |
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\ see kernel.fs |
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dup cfalign+ + ; |
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>CROSS |
>CROSS |
: >image ( taddr -- absaddr ) image @ + ; |
: >image ( taddr -- absaddr ) image @ + ; |
>TARGET |
>TARGET |
: @ ( taddr -- w ) >image @ bswap ; |
: @ ( taddr -- w ) >image t@ ; |
: ! ( w taddr -- ) >r bswap r> >image ! ; |
: ! ( w taddr -- ) >image t! ; |
: c@ ( taddr -- char ) >image c@ ; |
: c@ ( taddr -- char ) >image c@ ; |
: c! ( char taddr -- ) >image c! ; |
: c! ( char taddr -- ) >image c! ; |
: 2@ ( taddr -- x1 x2 ) T dup cell+ @ swap @ H ; |
: 2@ ( taddr -- x1 x2 ) T dup cell+ @ swap @ H ; |
Line 179 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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Line 215 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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: , ( w -- ) T here H cell T allot ! H ; |
: , ( w -- ) T here H cell T allot ! H ; |
: c, ( char -- ) T here 1 allot c! H ; |
: c, ( char -- ) T here 1 allot c! H ; |
: align ( -- ) T here H align+ 0 ?DO bl T c, H LOOP ; |
: align ( -- ) T here H align+ 0 ?DO bl T c, H LOOP ; |
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: cfalign ( -- ) |
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T here H cfalign+ 0 ?DO bl T c, H LOOP ; |
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: A! dup relon T ! H ; |
: A! dup relon T ! H ; |
: A, ( w -- ) T here H relon T , H ; |
: A, ( w -- ) T here H relon T , H ; |
Line 187 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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Line 225 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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\ threading modell 13dec92py |
\ threading modell 13dec92py |
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\ generic threading modell |
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: docol, ( -- ) :docol T A, 0 , H ; |
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>TARGET |
>TARGET |
: >body ( cfa -- pfa ) T cell+ cell+ H ; |
: >body ( cfa -- pfa ) T cell+ cell+ H ; |
>CROSS |
>CROSS |
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: dodoes, ( -- ) T :doesjump A, 0 , H ; |
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\ Ghost Builder 06oct92py |
\ Ghost Builder 06oct92py |
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\ <T T> new version with temp variable 10may93jaw |
\ <T T> new version with temp variable 10may93jaw |
Line 206 VARIABLE VocTemp
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Line 239 VARIABLE VocTemp
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: T> previous VocTemp @ set-current ; |
: T> previous VocTemp @ set-current ; |
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4711 Constant <fwd> 4712 Constant <res> |
4711 Constant <fwd> 4712 Constant <res> |
4713 Constant <imm> |
4713 Constant <imm> 4714 Constant <do:> |
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\ iForth makes only immediate directly after create |
\ iForth makes only immediate directly after create |
\ make atonce trick! ? |
\ make atonce trick! ? |
Line 232 Variable last-ghost
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Line 265 Variable last-ghost
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: gfind ( string -- ghost true/1 / string false ) |
: gfind ( string -- ghost true/1 / string false ) |
\ searches for string in word-list ghosts |
\ searches for string in word-list ghosts |
\ !! wouldn't it be simpler to just use search-wordlist ? ae |
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dup count [ ' ghosts >body ] ALiteral search-wordlist |
dup count [ ' ghosts >body ] ALiteral search-wordlist |
\ >r get-order 0 set-order also ghosts r> find >r >r |
dup IF >r >body nip r> THEN ; |
>r r@ IF >body nip THEN r> ; |
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\ set-order r> r@ IF >body THEN r> ; |
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VARIABLE Already |
VARIABLE Already |
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: ghost ( "name" -- ghost ) |
: ghost ( "name" -- ghost ) |
Already off |
Already off |
>in @ name gfind IF Already on nip EXIT THEN |
>in @ bl word gfind IF Already on nip EXIT THEN |
drop >in ! Make-Ghost ; |
drop >in ! Make-Ghost ; |
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\ resolve 14oct92py |
\ resolve 14oct92py |
Line 258 VARIABLE Already
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Line 288 VARIABLE Already
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BEGIN @ dup |
BEGIN @ dup |
WHILE 2dup cell+ @ = |
WHILE 2dup cell+ @ = |
UNTIL |
UNTIL |
nip 2 cells + count cr ." CROSS: Exists: " type 4 spaces |
2 cells + count cr ." CROSS: Exists: " type 4 spaces drop |
swap cell+ ! |
swap cell+ ! |
ELSE true ABORT" CROSS: Ghostnames inconsistent" |
ELSE true abort" CROSS: Ghostnames inconsistent " |
THEN ; |
THEN ; |
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: resolve ( ghost tcfa -- ) |
: resolve ( ghost tcfa -- ) |
Line 313 variable ResolveFlag
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Line 343 variable ResolveFlag
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VARIABLE ^imm |
VARIABLE ^imm |
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>TARGET |
>TARGET |
: immediate 20 flag! |
: immediate 40 flag! |
^imm @ @ dup <imm> = ?EXIT |
^imm @ @ dup <imm> = IF drop EXIT THEN |
<res> <> ABORT" CROSS: Cannot immediate a unresolved word" |
<res> <> ABORT" CROSS: Cannot immediate a unresolved word" |
<imm> ^imm @ ! ; |
<imm> ^imm @ ! ; |
: restrict 40 flag! ; |
: restrict 20 flag! ; |
>CROSS |
>CROSS |
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\ ALIAS2 ansforth conform alias 9may93jaw |
\ ALIAS2 ansforth conform alias 9may93jaw |
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: ALIAS2 create here 0 , DOES> @ execute ; |
: ALIAS2 create here 0 , DOES> @ execute ; |
\ usage: |
\ usage: |
\ ' alias2 bla ! |
\ ' <name> alias2 bla ! |
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\ Target Header Creation 01nov92py |
\ Target Header Creation 01nov92py |
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: string, ( addr count -- ) |
: string, ( addr count -- ) |
dup T c, H bounds DO I c@ T c, H LOOP ; |
dup T c, H bounds ?DO I c@ T c, H LOOP ; |
: name, ( "name" -- ) name count string, T align H ; |
: name, ( "name" -- ) bl word count string, T cfalign H ; |
: view, ( -- ) ( dummy ) ; |
: view, ( -- ) ( dummy ) ; |
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\ Target Document Creation (goes to crossdoc.fd) 05jul95py |
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s" crossdoc.fd" r/w create-file throw value doc-file-id |
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\ contains the file-id of the documentation file |
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: T-\G ( -- ) |
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source >in @ /string doc-file-id write-line throw |
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postpone \ ; |
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Variable to-doc to-doc on |
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: cross-doc-entry ( -- ) |
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to-doc @ tlast @ 0<> and \ not an anonymous (i.e. noname) header |
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IF |
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s" " doc-file-id write-line throw |
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s" make-doc " doc-file-id write-file throw |
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tlast @ >image count $1F and doc-file-id write-file throw |
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>in @ |
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[char] ( parse 2drop |
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[char] ) parse doc-file-id write-file throw |
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s" )" doc-file-id write-file throw |
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[char] \ parse 2drop |
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T-\G |
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>in ! |
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THEN ; |
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\ Target TAGS creation |
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s" kernel.TAGS" r/w create-file throw value tag-file-id |
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\ contains the file-id of the tags file |
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Create tag-beg 2 c, 7F c, bl c, |
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Create tag-end 2 c, bl c, 01 c, |
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Create tag-bof 1 c, 0C c, |
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2variable last-loadfilename 0 0 last-loadfilename 2! |
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: put-load-file-name ( -- ) |
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loadfilename 2@ last-loadfilename 2@ d<> |
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IF |
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tag-bof count tag-file-id write-line throw |
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sourcefilename 2dup |
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tag-file-id write-file throw |
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last-loadfilename 2! |
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s" ,0" tag-file-id write-line throw |
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THEN ; |
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: cross-tag-entry ( -- ) |
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tlast @ 0<> \ not an anonymous (i.e. noname) header |
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IF |
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put-load-file-name |
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source >in @ min tag-file-id write-file throw |
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tag-beg count tag-file-id write-file throw |
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tlast @ >image count $1F and tag-file-id write-file throw |
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tag-end count tag-file-id write-file throw |
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base @ decimal sourceline# 0 <# #s #> tag-file-id write-file throw |
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\ >in @ 0 <# #s [char] , hold #> tag-file-id write-line throw |
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s" ,0" tag-file-id write-line throw |
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base ! |
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THEN ; |
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\ Target header creation |
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VARIABLE CreateFlag CreateFlag off |
VARIABLE CreateFlag CreateFlag off |
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: (Theader ( "name" -- ghost ) T align H view, |
: (Theader ( "name" -- ghost ) T align H view, |
tlast @ dup 0> IF T 1 cells - THEN A, H there tlast ! |
tlast @ dup 0> IF T 1 cells - THEN A, H there tlast ! |
>in @ name, >in ! T here H tlastcfa ! |
>in @ name, >in ! T here H tlastcfa ! |
CreateFlag @ IF |
CreateFlag @ IF |
>in @ alias2 swap >in ! \ create alias in target |
>in @ alias2 swap >in ! \ create alias in target |
>in @ ghost swap >in ! |
>in @ ghost swap >in ! |
swap also ghosts ' previous swap ! \ tick ghost and store in alias |
swap also ghosts ' previous swap ! \ tick ghost and store in alias |
CreateFlag off |
CreateFlag off |
ELSE ghost THEN |
ELSE ghost THEN |
dup >magic ^imm ! \ a pointer for immediate |
dup >magic ^imm ! \ a pointer for immediate |
Already @ IF dup >end tdoes ! |
Already @ IF dup >end tdoes ! |
ELSE 0 tdoes ! THEN |
ELSE 0 tdoes ! THEN |
80 flag! ; |
80 flag! |
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cross-doc-entry cross-tag-entry ; |
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VARIABLE ;Resolve 1 cells allot |
VARIABLE ;Resolve 1 cells allot |
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Line 357 VARIABLE ;Resolve 1 cells allot
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Line 451 VARIABLE ;Resolve 1 cells allot
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>TARGET |
>TARGET |
: Alias ( cfa -- ) \ name |
: Alias ( cfa -- ) \ name |
(THeader over resolve T A, H 80 flag! ; |
(THeader over resolve T A, H 80 flag! ; |
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: Alias: ( cfa -- ) \ name |
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ghost tuck swap resolve <do:> swap >magic ! ; |
>CROSS |
>CROSS |
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\ Conditionals and Comments 11may93jaw |
\ Conditionals and Comments 11may93jaw |
Line 390 ghost (loop) ghost (+loop)
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Line 486 ghost (loop) ghost (+loop)
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ghost (next) drop |
ghost (next) drop |
ghost unloop ghost ;S 2drop |
ghost unloop ghost ;S 2drop |
ghost lit ghost (compile) ghost ! 2drop drop |
ghost lit ghost (compile) ghost ! 2drop drop |
ghost (;code) ghost noop 2drop |
ghost (does>) ghost noop 2drop |
ghost (.") ghost (S") ghost (ABORT") 2drop drop |
ghost (.") ghost (S") ghost (ABORT") 2drop drop |
ghost ' |
ghost ' drop |
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ghost :docol ghost :doesjump ghost :dodoes 2drop drop |
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\ compile 10may93jaw |
\ compile 10may93jaw |
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: compile ( -- ) \ name |
: compile ( -- ) \ name |
restrict? |
restrict? |
name gfind dup 0= ABORT" CROSS: Can't compile " |
bl word gfind dup 0= ABORT" CROSS: Can't compile " |
0> ( immediate? ) |
0> ( immediate? ) |
IF >exec @ compile, |
IF >exec @ compile, |
ELSE postpone literal postpone gexecute THEN ; |
ELSE postpone literal postpone gexecute THEN ; |
immediate |
immediate |
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\ generic threading modell |
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: docol, ( -- ) compile :docol T 0 , H ; |
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: dodoes, ( -- ) compile :doesjump T 0 , H ; |
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>TARGET |
>TARGET |
: ' ( -- cfa ) name gfind 0= ABORT" CROSS: undefined " |
: ' ( -- cfa ) bl word gfind 0= ABORT" CROSS: undefined " |
dup >magic @ <fwd> = ABORT" CROSS: forward " >link @ ; |
dup >magic @ <fwd> = ABORT" CROSS: forward " >link @ ; |
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Cond: ['] compile lit ghost gexecute ;Cond |
Cond: ['] compile lit ghost gexecute ;Cond |
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Cond: chars ;Cond |
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>CROSS |
>CROSS |
\ tLiteral 12dec92py |
\ tLiteral 12dec92py |
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Line 417 Cond: ['] compile lit ghost gexecute ;C
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Line 521 Cond: ['] compile lit ghost gexecute ;C
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: alit, ( n -- ) compile lit T A, H ; |
: alit, ( n -- ) compile lit T A, H ; |
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>TARGET |
>TARGET |
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Cond: \G T-\G ;Cond |
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Cond: Literal ( n -- ) restrict? lit, ;Cond |
Cond: Literal ( n -- ) restrict? lit, ;Cond |
Cond: ALiteral ( n -- ) restrict? alit, ;Cond |
Cond: ALiteral ( n -- ) restrict? alit, ;Cond |
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Line 442 Cond: [Char] ( "<char>" -- ) restrict
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Line 548 Cond: [Char] ( "<char>" -- ) restrict
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: ] state on |
: ] state on |
BEGIN |
BEGIN |
BEGIN >in @ name |
BEGIN >in @ bl word |
dup c@ 0= WHILE 2drop refill 0= |
dup c@ 0= WHILE 2drop refill 0= |
ABORT" CROSS: End of file while target compiling" |
ABORT" CROSS: End of file while target compiling" |
REPEAT |
REPEAT |
Line 458 Cond: [Char] ( "<char>" -- ) restrict
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Line 564 Cond: [Char] ( "<char>" -- ) restrict
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(THeader ;Resolve ! there ;Resolve cell+ ! |
(THeader ;Resolve ! there ;Resolve cell+ ! |
docol, depth T ] H ; |
docol, depth T ] H ; |
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: :noname ( -- colon-sys ) |
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T align H there docol, depth T ] H ; |
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Cond: EXIT ( -- ) restrict? compile ;S ;Cond |
Cond: EXIT ( -- ) restrict? compile ;S ;Cond |
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Cond: ?EXIT ( -- ) 1 abort" CROSS: using ?exit" ;Cond |
Cond: ?EXIT ( -- ) 1 abort" CROSS: using ?exit" ;Cond |
Line 472 Cond: ; ( -- ) restrict?
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Line 581 Cond: ; ( -- ) restrict?
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Cond: [ restrict? state off ;Cond |
Cond: [ restrict? state off ;Cond |
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>CROSS |
>CROSS |
: !does :dodoes tlastcfa @ tuck T ! cell+ ! H ; |
: !does |
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tlastcfa @ dup there >r tdp ! compile :dodoes r> tdp ! T cell+ ! H ; |
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>TARGET |
>TARGET |
Cond: DOES> restrict? |
Cond: DOES> restrict? |
compile (;code) dodoes, tdoes @ ?dup IF @ T here H resolve THEN |
compile (does>) dodoes, tdoes @ ?dup IF @ T here H resolve THEN |
;Cond |
;Cond |
: DOES> dodoes, T here H !does depth T ] H ; |
: DOES> dodoes, T here H !does depth T ] H ; |
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Line 493 Cond: DOES> restrict?
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Line 603 Cond: DOES> restrict?
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\ DOES> dup >exec @ execute ; |
\ DOES> dup >exec @ execute ; |
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: gdoes, ( ghost -- ) >end @ dup >magic @ <fwd> <> |
: gdoes, ( ghost -- ) >end @ dup >magic @ <fwd> <> |
IF dup >link @ dup 0< IF T A, 0 , H drop EXIT THEN drop THEN |
IF |
:dodoes T A, H gexecute T here H cell - reloff ; |
dup >magic @ <do:> = |
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IF gexecute T 0 , H EXIT THEN |
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THEN |
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compile :dodoes gexecute T here H cell - reloff ; |
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: TCreate ( -- ) |
: TCreate ( -- ) |
last-ghost @ |
last-ghost @ |
Line 517 Cond: DOES> restrict?
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Line 630 Cond: DOES> restrict?
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here ghostheader |
here ghostheader |
:noname postpone gdoes> postpone ?EXIT ; |
:noname postpone gdoes> postpone ?EXIT ; |
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: by: ( -- addr [xt] [colon-sys] ) \ name |
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ghost |
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:noname postpone gdoes> postpone ?EXIT ; |
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: ;DO ( addr [xt] [colon-sys] -- ) |
: ;DO ( addr [xt] [colon-sys] -- ) |
postpone ; ( S addr xt ) |
postpone ; ( S addr xt ) |
over >exec ! ; immediate |
over >exec ! ; immediate |
Line 528 Cond: DOES> restrict?
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Line 645 Cond: DOES> restrict?
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\ Variables and Constants 05dec92py |
\ Variables and Constants 05dec92py |
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Build: ; |
Build: ; |
DO: ( ghost -- addr ) ;DO |
by: :dovar ( ghost -- addr ) ;DO |
Builder Create |
Builder Create |
by Create :dovar resolve |
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Build: T 0 , H ; |
Build: T 0 , H ; |
by Create |
by Create |
Line 547 Variable tup 0 tup !
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Line 663 Variable tup 0 tup !
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Variable tudp 0 tudp ! |
Variable tudp 0 tudp ! |
: u, ( n -- udp ) |
: u, ( n -- udp ) |
tup @ tudp @ + T ! H |
tup @ tudp @ + T ! H |
tudp @ dup cell+ tudp ! ; |
tudp @ dup T cell+ H tudp ! ; |
: au, ( n -- udp ) |
: au, ( n -- udp ) |
tup @ tudp @ + T A! H |
tup @ tudp @ + T A! H |
tudp @ dup cell+ tudp ! ; |
tudp @ dup T cell+ H tudp ! ; |
>TARGET |
>TARGET |
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Build: T 0 u, , H ; |
Build: T 0 u, , H ; |
DO: ( ghost -- up-addr ) T @ H tup @ + ;DO |
by: :douser ( ghost -- up-addr ) T @ H tup @ + ;DO |
Builder User |
Builder User |
by User :douser resolve |
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Build: T 0 u, , 0 u, drop H ; |
Build: T 0 u, , 0 u, drop H ; |
by User |
by User |
Line 567 by User
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Line 682 by User
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Builder AUser |
Builder AUser |
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Build: ( n -- ) T , H ; |
Build: ( n -- ) T , H ; |
DO: ( ghost -- n ) T @ H ;DO |
by: :docon ( ghost -- n ) T @ H ;DO |
Builder Constant |
Builder Constant |
by Constant :docon resolve |
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Build: ( n -- ) T A, H ; |
Build: ( n -- ) T A, H ; |
by Constant |
by Constant |
Builder AConstant |
Builder AConstant |
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Build: ( d -- ) T , , H ; |
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DO: ( ghost -- d ) T dup cell+ @ swap @ H ;DO |
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Builder 2Constant |
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Build: T 0 , H ; |
Build: T 0 , H ; |
by Constant |
by Constant |
Builder Value |
Builder Value |
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Build: T 0 A, H ; |
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by Constant |
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Builder AValue |
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Build: ( -- ) compile noop ; |
Build: ( -- ) compile noop ; |
DO: ( ghost -- ) ABORT" CROSS: Don't execute" ;DO |
by: :dodefer ( ghost -- ) ABORT" CROSS: Don't execute" ;DO |
Builder Defer |
Builder Defer |
by Defer :dodefer resolve |
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Build: ( inter comp -- ) swap T immediate A, A, H ; |
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DO: ( ghost -- ) ABORT" CROSS: Don't execute" ;DO |
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Builder interpret/compile: |
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\ Sturctures 23feb95py |
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>CROSS |
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: nalign ( addr1 n -- addr2 ) |
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\ addr2 is the aligned version of addr1 wrt the alignment size n |
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1- tuck + swap invert and ; |
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>TARGET |
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Build: >r rot r@ nalign dup T , H ( align1 size offset ) |
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+ swap r> nalign ; |
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by: :dofield T @ H + ;DO |
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Builder Field |
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: struct T 0 1 chars H ; |
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: end-struct T 2Constant H ; |
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: cells: ( n -- size align ) |
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T cells 1 cells H ; |
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\ ' 2Constant Alias2 end-struct |
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\ 0 1 T Chars H 2Constant struct |
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\ structural conditionals 17dec92py |
\ structural conditionals 17dec92py |
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Line 672 Cond: TO T ' >body H compile ALit
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Line 819 Cond: TO T ' >body H compile ALit
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\ compile must be last 22feb93py |
\ compile must be last 22feb93py |
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Cond: compile ( -- ) restrict? \ name |
Cond: compile ( -- ) restrict? \ name |
name gfind dup 0= ABORT" CROSS: Can't compile" |
bl word gfind dup 0= ABORT" CROSS: Can't compile" |
0> IF gexecute |
0> IF gexecute |
ELSE dup >magic @ <imm> = |
ELSE dup >magic @ <imm> = |
IF gexecute |
IF gexecute |
ELSE compile (compile) gexecute THEN THEN ;Cond |
ELSE compile (compile) gexecute THEN THEN ;Cond |
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Cond: postpone ( -- ) restrict? \ name |
Cond: postpone ( -- ) restrict? \ name |
name gfind dup 0= ABORT" CROSS: Can't compile" |
bl word gfind dup 0= ABORT" CROSS: Can't compile" |
0> IF gexecute |
0> IF gexecute |
ELSE dup >magic @ <imm> = |
ELSE dup >magic @ <imm> = |
IF gexecute |
IF gexecute |
Line 693 also minimal
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Line 840 also minimal
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\ define new [IFDEF] and [IFUNDEF] 20may93jaw |
\ define new [IFDEF] and [IFUNDEF] 20may93jaw |
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: there? name gfind IF >magic @ <fwd> <> ELSE drop false THEN ; |
: there? bl word gfind IF >magic @ <fwd> <> ELSE drop false THEN ; |
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: [IFDEF] there? postpone [IF] ; |
: [IFDEF] there? postpone [IF] ; |
: [IFUNDEF] there? 0= postpone [IF] ; |
: [IFUNDEF] there? 0= postpone [IF] ; |
Line 733 Cond: [ELSE] [ELSE] ;Cond
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Line 880 Cond: [ELSE] [ELSE] ;Cond
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\ [THEN] |
\ [THEN] |
\ included throw after create-file 11may93jaw |
\ included throw after create-file 11may93jaw |
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endian Constant endian |
bigendian Constant bigendian |
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: save-cross ( "name" -- ) |
Create magic s" Gforth10" here over allot swap move |
bl parse ." Saving to " 2dup type |
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char 1 bigendian + cell + magic 7 + c! |
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: save-cross ( "image-name" "binary-name" -- ) |
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bl parse ." Saving to " 2dup type cr |
w/o bin create-file throw >r |
w/o bin create-file throw >r |
image @ there r@ write-file throw |
s" #! " r@ write-file throw |
bit$ @ there 1- cell>bit rshift 1+ r@ write-file throw |
bl parse r@ write-file throw |
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s" -i" r@ write-file throw |
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#lf r@ emit-file throw |
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r@ dup file-position throw drop 8 mod 8 swap ( file-id limit index ) |
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?do |
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bl over emit-file throw |
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loop |
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drop |
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magic 8 r@ write-file throw \ write magic |
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image @ there r@ write-file throw \ write image |
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bit$ @ there 1- cell>bit rshift 1+ |
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r@ write-file throw \ write tags |
r> close-file throw ; |
r> close-file throw ; |
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\ words that should be in minimal |
\ words that should be in minimal |
Line 749 endian Constant endian
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Line 911 endian Constant endian
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: * * ; : / / ; |
: * * ; : / / ; |
: dup dup ; : over over ; |
: dup dup ; : over over ; |
: swap swap ; : rot rot ; |
: swap swap ; : rot rot ; |
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: drop drop ; : = = ; |
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: lshift lshift ; : 2/ 2/ ; |
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: . . ; |
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\ cell constant cell |
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mach-file count included |
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\ include bug5.fs |
\ include bug5.fs |
\ only forth also minimal definitions |
\ only forth also minimal definitions |
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: \ postpone \ ; |
: \ postpone \ ; immediate |
: ( postpone ( ; |
: ( postpone ( ; immediate |
: include bl word count included ; |
: include bl word count included ; |
: .( [char] ) parse type ; |
: .( [char] ) parse type ; |
: cr cr ; |
: cr cr ; |
Line 768 only forth also minimal definitions
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Line 936 only forth also minimal definitions
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: hex hex ; |
: hex hex ; |
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: tudp T tudp H ; |
: tudp T tudp H ; |
: tup T tup H ; minimal |
: tup T tup H ; |
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: doc-off false T to-doc H ! ; |
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: doc-on true T to-doc H ! ; |
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minimal |
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\ for debugging... |
\ for debugging... |
: order order ; |
: order order ; |