version 1.129, 2002/09/26 11:36:42
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version 1.153, 2006/02/18 13:12:52
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Line 1
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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 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998,1999,2000,2003,2004,2005 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 662 stack-warn [IF]
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Line 662 stack-warn [IF]
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: defempty? empty? ; |
: defempty? empty? ; |
[ELSE] |
[ELSE] |
: defempty? ; immediate |
: defempty? ; immediate |
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\ : defempty? .sourcepos ; |
[THEN] |
[THEN] |
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\ \ -------------------- Compiler Plug Ins 01aug97jaw |
\ \ -------------------- Compiler Plug Ins 01aug97jaw |
Line 1175 false DefaultValue backtrace
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Line 1176 false DefaultValue backtrace
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false DefaultValue new-input |
false DefaultValue new-input |
false DefaultValue peephole |
false DefaultValue peephole |
false DefaultValue abranch |
false DefaultValue abranch |
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true DefaultValue f83headerstring |
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true DefaultValue control-rack |
[THEN] |
[THEN] |
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true DefaultValue gforthcross |
true DefaultValue interpreter |
true DefaultValue interpreter |
true DefaultValue ITC |
true DefaultValue ITC |
false DefaultValue rom |
false DefaultValue rom |
true DefaultValue standardthreading |
true DefaultValue standardthreading |
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\ ANSForth environment stuff |
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8 DefaultValue ADDRESS-UNIT-BITS |
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255 DefaultValue MAX-CHAR |
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255 DefaultValue /COUNTED-STRING |
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>TARGET |
>TARGET |
s" relocate" T environment? H |
s" relocate" T environment? H |
\ JAW why set NIL to this?! |
\ JAW why set NIL to this?! |
Line 1236 tbits/char bits/byte / Constant tbyte
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Line 1245 tbits/char bits/byte / Constant tbyte
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\ Variables 06oct92py |
\ Variables 06oct92py |
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Variable image |
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Variable (tlast) |
Variable (tlast) |
(tlast) Value tlast TNIL tlast ! \ Last name field |
(tlast) Value tlast TNIL tlast ! \ Last name field |
Variable tlastcfa \ Last code field |
Variable tlastcfa \ Last code field |
Variable bit$ |
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\ statistics 10jun97jaw |
\ statistics 10jun97jaw |
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Line 1262 Variable region-link \ linked
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Line 1269 Variable region-link \ linked
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Variable mirrored-link \ linked list for mirrored regions |
Variable mirrored-link \ linked list for mirrored regions |
0 dup mirrored-link ! region-link ! |
0 dup mirrored-link ! region-link ! |
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: >rname 8 cells + ; |
: >rname 9 cells + ; |
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: >rtouch 8 cells + ; \ executed when region is accessed |
: >rbm 4 cells + ; \ bitfield per cell witch indicates relocation |
: >rbm 4 cells + ; \ bitfield per cell witch indicates relocation |
: >rmem 5 cells + ; |
: >rmem 5 cells + ; |
: >rtype 6 cells + ; \ field per cell witch points to a type struct |
: >rtype 6 cells + ; \ field per cell witch points to a type struct |
Line 1277 Variable mirrored-link \ linked
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Line 1285 Variable mirrored-link \ linked
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>r r@ last-defined-region ! |
>r r@ last-defined-region ! |
r@ >rlen ! dup r@ >rstart ! r> >rdp ! ; |
r@ >rlen ! dup r@ >rstart ! r> >rdp ! ; |
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: uninitialized -1 ABORT" CROSS: Region is uninitialized" ; |
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: region ( addr len -- "name" ) |
: region ( addr len -- "name" ) |
\G create a new region |
\G create a new region |
\ check whether predefined region exists |
\ check whether predefined region exists |
Line 1286 Variable mirrored-link \ linked
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Line 1296 Variable mirrored-link \ linked
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save-input create restore-input throw |
save-input create restore-input throw |
here last-defined-region ! |
here last-defined-region ! |
over ( startaddr ) , ( length ) , ( dp ) , |
over ( startaddr ) , ( length ) , ( dp ) , |
region-link linked 0 , 0 , 0 , 0 , bl word count string, |
region-link linked 0 , 0 , 0 , 0 , |
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['] uninitialized , |
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bl word count string, |
ELSE \ store new parameters in region |
ELSE \ store new parameters in region |
bl word drop |
bl word drop |
>body (region) |
>body (region) |
Line 1304 Variable mirrored-link \ linked
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Line 1316 Variable mirrored-link \ linked
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\G returns the total area |
\G returns the total area |
dup >rstart @ swap >rlen @ ; |
dup >rstart @ swap >rlen @ ; |
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: dp@ ( region -- dp ) |
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>rdp @ ; |
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: mirrored ( -- ) |
: mirrored ( -- ) |
\G mark last defined region as mirrored |
\G mark last defined region as mirrored |
mirrored-link |
mirrored-link |
Line 1349 Variable mirrored-link \ linked
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Line 1364 Variable mirrored-link \ linked
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0 0 region address-space |
0 0 region address-space |
\ total memory addressed and used by the target system |
\ total memory addressed and used by the target system |
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0 0 region user-region |
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\ data for user variables goes here |
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\ this has to be defined before dictionary or ram-dictionary |
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0 0 region dictionary |
0 0 region dictionary |
\ rom area for the compiler |
\ rom area for the compiler |
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Line 1368 T has? rom H
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Line 1387 T has? rom H
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' dictionary ALIAS rom-dictionary |
' dictionary ALIAS rom-dictionary |
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: setup-region ( region -- ) |
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>r |
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\ allocate mem |
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r@ >rlen @ allocatetarget |
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r@ >rmem ! |
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r@ >rlen @ |
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target>bitmask-size allocatetarget |
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r@ >rbm ! |
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r@ >rlen @ |
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tcell / 1+ cells allocatetarget r@ >rtype ! |
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['] noop r@ >rtouch ! |
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rdrop ; |
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: setup-target ( -- ) \G initialize target's memory space |
: setup-target ( -- ) \G initialize target's memory space |
s" rom" T $has? H |
s" rom" T $has? H |
Line 1393 T has? rom H
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Line 1427 T has? rom H
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WHILE dup |
WHILE dup |
0 >rlink - >r |
0 >rlink - >r |
r@ >rlen @ |
r@ >rlen @ |
IF \ allocate mem |
IF r@ setup-region |
r@ >rlen @ allocatetarget dup image ! |
THEN rdrop |
r@ >rmem ! |
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r@ >rlen @ |
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target>bitmask-size allocatetarget |
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dup bit$ ! |
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r@ >rbm ! |
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r@ >rlen @ |
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tcell / 1+ cells allocatetarget r@ >rtype ! |
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rdrop |
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ELSE r> drop THEN |
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REPEAT drop ; |
REPEAT drop ; |
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\ MakeKernel 22feb99jaw |
\ MakeKernel 22feb99jaw |
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: makekernel ( targetsize -- ) |
: makekernel ( start targetsize -- ) |
\G convenience word to setup the memory of the target |
\G convenience word to setup the memory of the target |
\G used by main.fs of the c-engine based systems |
\G used by main.fs of the c-engine based systems |
100 swap dictionary (region) |
dictionary (region) setup-target ; |
setup-target ; |
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>MINIMAL |
>MINIMAL |
: makekernel makekernel ; |
: makekernel makekernel ; |
Line 1543 bigendian
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Line 1564 bigendian
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0 >rlink - >r |
0 >rlink - >r |
r@ >rlen @ |
r@ >rlen @ |
IF dup r@ borders within |
IF dup r@ borders within |
IF r> r> drop nip EXIT THEN |
IF r> r> drop nip |
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dup >rtouch @ EXECUTE EXIT |
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THEN |
THEN |
THEN |
r> drop |
r> drop |
r> |
r> |
Line 1625 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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Line 1648 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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[ [THEN] ] |
[ [THEN] ] |
(>regionbm) swap cell/ -bit ; |
(>regionbm) swap cell/ -bit ; |
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: (>image) ( taddr -- absaddr ) image @ + ; |
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DEFER >image |
DEFER >image |
DEFER >ramimage |
DEFER >ramimage |
DEFER relon |
DEFER relon |
Line 1701 Ghost (do) Ghost (?do)
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Line 1722 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") drop |
Ghost (C") Ghost c(abort") Ghost type 2drop drop |
Ghost ' drop |
Ghost ' drop |
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\ user ghosts |
\ user ghosts |
Line 1732 Ghost state drop
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Line 1754 Ghost state drop
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: 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 ; |
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: ht-mem, ( addr count ) |
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bounds ?DO I c@ T c, H LOOP ; |
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>TARGET |
>TARGET |
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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 2003 variable ResolveFlag
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Line 2027 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 2032 $20 constant restrict-mask
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Line 2056 $20 constant restrict-mask
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dup T , H bounds ?DO I c@ T c, H LOOP ; |
dup T , H bounds ?DO I c@ T c, H LOOP ; |
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>TARGET |
>TARGET |
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X has? f83headerstring [IF] |
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: name, ( "name" -- ) bl word count ht-string, X cfalign ; |
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[ELSE] |
: name, ( "name" -- ) bl word count ht-lstring, X cfalign ; |
: name, ( "name" -- ) bl word count ht-lstring, X cfalign ; |
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[THEN] |
: view, ( -- ) ( dummy ) ; |
: view, ( -- ) ( dummy ) ; |
>CROSS |
>CROSS |
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Line 2069 s" kernel.TAGS" r/w create-file throw va
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Line 2097 s" kernel.TAGS" r/w create-file throw va
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s" kernel.tags" r/w create-file throw value vi-tag-file-id |
s" kernel.tags" r/w create-file throw value vi-tag-file-id |
\ contains the file-id of the tags file |
\ contains the file-id of the tags file |
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Create tag-beg 2 c, 7F c, bl c, |
Create tag-beg 1 c, 7F c, |
Create tag-end 2 c, bl c, 01 c, |
Create tag-end 1 c, 01 c, |
Create tag-bof 1 c, 0C c, |
Create tag-bof 1 c, 0C c, |
Create tag-tab 1 c, 09 c, |
Create tag-tab 1 c, 09 c, |
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Line 2150 Defer skip? ' false IS skip?
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Line 2178 Defer skip? ' false IS skip?
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0= |
0= |
ELSE drop true THEN ; |
ELSE drop true THEN ; |
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: doer? ( -- flag ) \ name |
: doer? ( "name" -- 0 | addr ) \ name |
Ghost >magic @ <do:> = ; |
Ghost dup >magic @ <do:> = |
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IF >link @ ELSE drop 0 THEN ; |
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: skip-defs ( -- ) |
: skip-defs ( -- ) |
BEGIN refill WHILE source -trailing nip 0= UNTIL THEN ; |
BEGIN refill WHILE source -trailing nip 0= UNTIL THEN ; |
Line 2176 NoHeaderFlag off
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Line 2205 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 2267 Defer setup-prim-semantics
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Line 2296 Defer setup-prim-semantics
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Variable prim# |
Variable prim# |
: first-primitive ( n -- ) prim# ! ; |
: first-primitive ( n -- ) prim# ! ; |
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: 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 2435 Cond: ALiteral ( n -- ) alit, ;Cond
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Line 2466 Cond: ALiteral ( n -- ) alit, ;Cond
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: Char ( "<char>" -- ) bl word char+ c@ ; |
: Char ( "<char>" -- ) bl word char+ c@ ; |
Cond: [Char] ( "<char>" -- ) Char lit, ;Cond |
Cond: [Char] ( "<char>" -- ) Char lit, ;Cond |
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: (x#) ( adr len base -- ) |
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base @ >r base ! 0 0 name >number 2drop drop r> base ! ; |
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: d# $0a (x#) ; |
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: h# $010 (x#) ; |
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Cond: d# $0a (x#) lit, ;Cond |
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Cond: h# $010 (x#) lit, ;Cond |
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tchar 1 = [IF] |
tchar 1 = [IF] |
Cond: chars ;Cond |
Cond: chars ;Cond |
[THEN] |
[THEN] |
Line 2575 Cond: [ ( -- ) interpreting-state ;Cond
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Line 2615 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] |
: does-resolved ( ghost -- ) |
: does-resolved ( ghost -- ) |
compile does-exec g>xt T a, H ; |
compile does-exec g>xt T a, H ; |
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[ELSE] |
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: does-resolved ( ghost -- ) |
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g>xt T a, H ; |
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[THEN] |
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: resolve-does>-part ( -- ) |
: resolve-does>-part ( -- ) |
\ resolve words made by builders |
\ resolve words made by builders |
Line 2587 Defer instant-interpret-does>-hook
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Line 2632 Defer instant-interpret-does>-hook
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>TARGET |
>TARGET |
Cond: DOES> |
Cond: DOES> |
compile (does>) doeshandler, |
T here 5 cells H + alit, compile (does>2) compile ;s |
resolve-does>-part |
doeshandler, resolve-does>-part |
;Cond |
;Cond |
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: DOES> |
: DOES> |
Line 2770 by Create
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Line 2815 by Create
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\ User variables 04may94py |
\ User variables 04may94py |
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Variable tup 0 tup ! |
: tup@ user-region >rstart @ ; |
Variable tudp 0 tudp ! |
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\ Variable tup 0 tup ! |
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\ Variable tudp 0 tudp ! |
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: u, ( n -- udp ) |
: u, ( n -- udp ) |
tup @ tudp @ + T ! H |
current-region >r user-region activate |
tudp @ dup T cell+ H tudp ! ; |
X here swap X , tup@ - |
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r> activate ; |
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: au, ( n -- udp ) |
: au, ( n -- udp ) |
tup @ tudp @ + T A! H |
current-region >r user-region activate |
tudp @ dup T cell+ H tudp ! ; |
X here swap X a, tup@ - |
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r> activate ; |
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T has? no-userspace H [IF] |
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: buildby |
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ghost >exec @ built >exec ! ; |
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Builder User |
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buildby Variable |
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by Variable |
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Builder 2User |
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buildby 2Variable |
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by 2Variable |
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Builder AUser |
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buildby AVariable |
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by AVariable |
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[ELSE] |
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Builder User |
Builder User |
Build: 0 u, X , ;Build |
Build: 0 u, X , ;Build |
by: :douser ( ghost -- up-addr ) X @ tup @ + ;DO |
by: :douser ( ghost -- up-addr ) X @ tup@ + ;DO |
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Builder 2User |
Builder 2User |
Build: 0 u, X , 0 u, drop ;Build |
Build: 0 u, X , 0 u, drop ;Build |
Line 2793 Builder AUser
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Line 2861 Builder AUser
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Build: 0 au, X , ;Build |
Build: 0 au, X , ;Build |
by User |
by User |
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[THEN] |
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Builder (Value) |
Builder (Value) |
Build: ( n -- ) ;Build |
Build: ( n -- ) ;Build |
by: :docon ( target-body-addr -- n ) T @ H ;DO |
by: :docon ( target-body-addr -- n ) T @ H ;DO |
Line 2864 DO: abort" Not in cross mode" ;DO
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Line 2934 DO: abort" Not in cross mode" ;DO
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T has? peephole H [IF] |
T has? peephole H [IF] |
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\ .( loading peephole optimization) cr |
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>CROSS |
>CROSS |
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: (callc) compile call T >body a, H ; ' (callc) plugin-of colon, |
: (callc) compile call T >body a, H ; ' (callc) plugin-of colon, |
Line 2926 compile: does-resolved ;compile
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Line 2998 compile: does-resolved ;compile
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: >mark ( -- sys ) T here ( dup ." M" hex. ) 0 , H ; |
: >mark ( -- sys ) T here ( dup ." M" hex. ) 0 , H ; |
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: branchoffset ( src dest -- ) - tchar / ; \ ?? jaw |
X has? abranch [IF] |
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: branchoffset ( src dest -- ) drop ; |
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: offset, ( n -- ) X A, ; |
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[ELSE] |
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: branchoffset ( src dest -- ) - tchar / ; \ ?? jaw |
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: offset, ( n -- ) X , ; |
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[THEN] |
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:noname compile branch X here branchoffset X , ; |
:noname compile branch X here branchoffset offset, ; |
IS branch, ( target-addr -- ) |
IS branch, ( target-addr -- ) |
:noname compile ?branch X here branchoffset X , ; |
:noname compile ?branch X here branchoffset offset, ; |
IS ?branch, ( target-addr -- ) |
IS ?branch, ( target-addr -- ) |
:noname compile branch T here 0 , H ; |
:noname compile branch T here 0 H offset, ; |
IS branchmark, ( -- branchtoken ) |
IS branchmark, ( -- branchtoken ) |
:noname compile ?branch T here 0 , H ; |
:noname compile ?branch T here 0 H offset, ; |
IS ?branchmark, ( -- branchtoken ) |
IS ?branchmark, ( -- branchtoken ) |
:noname T here 0 , H ; |
:noname T here 0 H offset, ; |
IS ?domark, ( -- branchtoken ) |
IS ?domark, ( -- branchtoken ) |
:noname dup X @ ?struc X here over branchoffset swap X ! ; |
:noname dup X @ ?struc X here over branchoffset swap X ! ; |
IS branchtoresolve, ( branchtoken -- ) |
IS branchtoresolve, ( branchtoken -- ) |
Line 3009 Cond: ?LEAVE ?leave, ;Cond
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Line 3087 Cond: ?LEAVE ?leave, ;Cond
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: loop] ( target-addr -- ) |
: loop] ( target-addr -- ) |
branchto, |
branchto, |
dup X here branchoffset X , |
dup X here branchoffset offset, |
tcell - (done) ; |
tcell - (done) ; |
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: skiploop] ?dup IF branchto, branchtoresolve, THEN ; |
: skiploop] ?dup IF branchto, branchtoresolve, THEN ; |
Line 3114 Cond: LOOP 1 ncontrols? loop, ;Cond
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Line 3192 Cond: LOOP 1 ncontrols? loop, ;Cond
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Cond: +LOOP 1 ncontrols? +loop, ;Cond |
Cond: +LOOP 1 ncontrols? +loop, ;Cond |
Cond: NEXT 1 ncontrols? next, ;Cond |
Cond: NEXT 1 ncontrols? next, ;Cond |
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\ Absoulte branches 26sep02jaw |
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\ This section defined different semantics for |
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\ conditionals, using and compiling absolute branches |
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X has? abranch [IF] |
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Ghost abranch drop |
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Ghost a?branch drop |
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Ghost a(?do) drop |
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Ghost a(do) drop |
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Ghost a(next) drop |
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Ghost a(+loop) drop |
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Ghost a(loop) drop |
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:noname compile abranch X a, ; plugin-of branch, |
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:noname compile a?branch X a, ; plugin-of ?branch, |
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:noname compile abranch T here 0 a, H ; plugin-of branchmark, |
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:noname compile a?branch T here 0 a, H ; plugin-of ?branchmark, |
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:noname |
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dup X @ ABORT" CROSS: branch already resolved" |
|
X here swap X a! ; plugin-of branchtoresolve, |
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:noname |
|
0 compile a(?do) ?domark, (leave) |
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branchtomark, 2 to1 ; plugin-of ?do, |
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: aloop] ( target-addr -- ) |
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branchto, |
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dup X a, |
|
tcell - (done) ; |
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:noname |
|
1to compile a(loop) aloop] |
|
compile unloop skiploop] ; plugin-of loop, |
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:noname |
|
1to compile a(+loop) aloop] |
|
compile unloop skiploop] ; plugin-of +loop, |
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:noname |
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compile a(next) aloop] compile unloop ; plugin-of next, |
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[THEN] |
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\ String words 23feb93py |
\ String words 23feb93py |
|
|
: ," [char] " parse ht-string, X align ; |
: ," [char] " parse ht-string, X align ; |
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X has? control-rack [IF] |
Cond: ." compile (.") T ," H ;Cond |
Cond: ." compile (.") T ," H ;Cond |
Cond: S" compile (S") T ," H ;Cond |
Cond: S" compile (S") T ," H ;Cond |
Cond: C" compile (C") T ," H ;Cond |
Cond: C" compile (C") T ," H ;Cond |
Cond: ABORT" compile (ABORT") T ," H ;Cond |
Cond: ABORT" compile (ABORT") T ," H ;Cond |
|
[ELSE] |
|
Cond: ." '" parse tuck 2>r ahead, there 2r> ht-mem, X align |
|
>r then, r> compile ALiteral compile Literal compile type ;Cond |
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Cond: S" '" parse tuck 2>r ahead, there 2r> ht-mem, X align |
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>r then, r> compile ALiteral compile Literal ;Cond |
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Cond: C" ahead, there [char] " parse ht-string, X align |
|
>r then, r> compile ALiteral ;Cond |
|
Cond: ABORT" if, ahead, there [char] " parse ht-string, X align |
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>r then, r> compile ALiteral compile c(abort") then, ;Cond |
|
[THEN] |
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|
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 ; |
Line 3208 Cond: postpone ( -- ) \ name
|
Line 3248 Cond: postpone ( -- ) \ name
|
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 |
|
|
\ save-cross 17mar93py |
\ save-cross 17mar93py |
|
|
hex |
hex |
|
|
>CROSS |
>CROSS |
Create magic s" Gforth2x" here over allot swap move |
Create magic s" Gforth3x" here over allot swap move |
|
|
bigendian 1+ \ strangely, in magic big=0, little=1 |
bigendian 1+ \ strangely, in magic big=0, little=1 |
tcell 1 = 0 and or |
tcell 1 = 0 and or |
Line 3229 tchar 8 = 78 and or
|
Line 3269 tchar 8 = 78 and or
|
magic 7 + c! |
magic 7 + c! |
|
|
: save-cross ( "image-name" "binary-name" -- ) |
: save-cross ( "image-name" "binary-name" -- ) |
|
.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 3245 magic 7 + c!
|
Line 3286 magic 7 + c!
|
ELSE |
ELSE |
bl parse 2drop |
bl parse 2drop |
THEN |
THEN |
image @ there |
>rom dictionary >rmem @ there |
|
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 $has? IF |
bit$ @ there 1- tcell>bit rshift 1+ |
dictionary >rbm @ there 1- tcell>bit rshift 1+ |
r@ write-file throw \ write tags |
r@ write-file throw \ write tags |
THEN |
THEN |
r> close-file throw ; |
r> close-file throw ; |
Line 3640 previous
|
Line 3682 previous
|
: * * ; |
: * * ; |
: / / ; |
: / / ; |
: dup dup ; |
: dup dup ; |
|
: ?dup ?dup ; |
: over over ; |
: over over ; |
: swap swap ; |
: swap swap ; |
: rot rot ; |
: rot rot ; |
: drop drop ; |
: drop drop ; |
|
: 2drop 2drop ; |
: = = ; |
: = = ; |
: <> <> ; |
: <> <> ; |
: 0= 0= ; |
: 0= 0= ; |
: lshift lshift ; |
: lshift lshift ; |
: 2/ 2/ ; |
: 2/ 2/ ; |
|
: hex. base @ $10 base ! swap . base ! ; |
|
: invert invert ; |
\ : . . ; |
\ : . . ; |
|
|
: all-words ['] forced? IS skip? ; |
: all-words ['] forced? IS skip? ; |
Line 3664 previous
|
Line 3710 previous
|
: require require ; |
: require require ; |
: needs require ; |
: needs require ; |
: .( [char] ) parse type ; |
: .( [char] ) parse type ; |
|
: ERROR" [char] " parse |
|
rot |
|
IF cr ." *** " type ." ***" -1 ABORT" CROSS: Target error, see text above" |
|
ELSE 2drop |
|
THEN ; |
: ." [char] " parse type ; |
: ." [char] " parse type ; |
: cr cr ; |
: cr cr ; |
|
|
Line 3704 previous
|
Line 3755 previous
|
: bye bye ; |
: bye bye ; |
|
|
\ dummy |
\ dummy |
: group 0 word drop ; |
|
|
|
\ turnkey direction |
\ turnkey direction |
: H forth ; immediate |
: H forth ; immediate |