version 1.119, 2002/01/05 22:58:59
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version 1.123, 2002/03/21 16:35:18
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Line 71 H
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Line 71 H
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>CROSS |
>CROSS |
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\ Test against this definitions to find out whether we are cross-compiling |
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\ may be usefull for assemblers |
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0 Constant gforth-cross-indicator |
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\ find out whether we are compiling with gforth |
\ find out whether we are compiling with gforth |
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: defined? bl word find nip ; |
: defined? bl word find nip ; |
Line 249 hex \ the defualt base for the cross
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Line 253 hex \ the defualt base for the cross
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hex |
hex |
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\ FIXME delete` |
\ 1 Constant Cross-Flag \ to check whether assembler compiler plug-ins are |
\ 1 Constant Cross-Flag \ to check whether assembler compiler plug-ins are |
\ for cross-compiling |
\ for cross-compiling |
\ No! we use "[IFUNDEF]" there to find out whether we are target compiling!!! |
\ No! we use "[IFUNDEF]" there to find out whether we are target compiling!!! |
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\ FIXME move down |
: 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 ( |
ELSE 2dup s" \" compare 0= IF postpone \ THEN |
ELSE 2dup s" \" compare 0= IF postpone \ THEN |
THEN ; |
THEN ; |
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: X bl word count [ ' target >wordlist ] Literal search-wordlist |
: X ( -- <name> ) |
IF state @ IF compile, |
\G The next word in the input is a target word. |
ELSE execute THEN |
\G Equivalent to T <name> but without permanent |
ELSE -1 ABORT" Cross: access method not supported!" |
\G switch to target dictionary. Used as prefix e.g. for @, !, here etc. |
THEN ; immediate |
bl word count [ ' target >wordlist ] Literal search-wordlist |
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IF state @ IF compile, ELSE execute THEN |
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ELSE -1 ABORT" Cross: access method not supported!" |
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THEN ; immediate |
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\ Begin CROSS COMPILER: |
\ Begin CROSS COMPILER: |
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Line 310 set-order previous
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Line 319 set-order previous
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\ POSTPONE false |
\ POSTPONE false |
THEN ; immediate |
THEN ; immediate |
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: symentry ( adr len taddr -- ) |
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\G Produce a symbol table (an optional symbol address |
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\G map) if wanted |
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[ [IFDEF] fd-symbol-table ] |
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base @ swap hex s>d <# 8 0 DO # LOOP #> fd-symbol-table write-file throw base ! |
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s" :" fd-symbol-table write-file throw |
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fd-symbol-table write-line throw |
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[ [ELSE] ] |
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2drop drop |
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[ [THEN] ] ; |
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\ \ -------------------- source file |
\ \ -------------------- source file |
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decimal |
decimal |
Line 712 Plugin branchtoresolve, ( branch-addr --
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Line 733 Plugin branchtoresolve, ( branch-addr --
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Plugin branchtomark, ( -- target-addr ) \ marks a branch destination |
Plugin branchtomark, ( -- target-addr ) \ marks a branch destination |
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Plugin colon, ( tcfa -- ) \ compiles call to tcfa at current position |
Plugin colon, ( tcfa -- ) \ compiles call to tcfa at current position |
Plugin xt, ( tcfa -- ) \ compiles xt |
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Plugin prim, ( tcfa -- ) \ compiles primitive invocation |
Plugin prim, ( tcfa -- ) \ compiles primitive invocation |
Plugin colonmark, ( -- addr ) \ marks a colon call |
Plugin colonmark, ( -- addr ) \ marks a colon call |
Plugin colon-resolve ( tcfa addr -- ) |
Plugin colon-resolve ( tcfa addr -- ) |
Line 746 Plugin next, ( for-token )
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Line 766 Plugin next, ( for-token )
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Plugin leave, ( -- ) |
Plugin leave, ( -- ) |
Plugin ?leave, ( -- ) |
Plugin ?leave, ( -- ) |
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[IFUNDEF] ca>native |
Plugin ca>native \ Convert a code address to the processors |
Plugin ca>native |
\ native address. This is used in doprim, and |
[THEN] |
\ code/code: primitive definitions word to |
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\ convert the addresses. |
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\ The only target where we need this is the misc |
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\ which is a 16 Bit processor with word addresses |
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\ but the forth system we build has a normal byte |
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\ addressed memory model |
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Plugin doprim, \ compiles start of a primitive |
Plugin doprim, \ compiles start of a primitive |
Plugin docol, \ compiles start of a colon definition |
Plugin docol, \ compiles start of a colon definition |
Line 899 Variable cross-space-dp-orig
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Line 924 Variable cross-space-dp-orig
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THEN ; |
THEN ; |
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Defer is-forward |
Defer is-forward |
Defer do-refered |
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: prim-forward ( ghost -- ) |
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colonmark, 0 do-refered ; \ compile space for call |
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: doer-forward ( ghost -- ) |
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colonmark, 2 do-refered ; \ compile space for doer |
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' prim-forward IS is-forward |
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: (ghostheader) ( -- ) |
: (ghostheader) ( -- ) |
ghost-list linked <fwd> , 0 , ['] NoExec , what's is-forward , |
ghost-list linked <fwd> , 0 , ['] NoExec , ['] is-forward , |
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , ; |
0 , 0 , 0 , 0 , 0 , 0 , 0 , 0 , ; |
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: ghostheader ( -- ) (ghostheader) 0 , ; |
: ghostheader ( -- ) (ghostheader) 0 , ; |
Line 1085 Ghost lit-perform drop
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Line 1103 Ghost lit-perform drop
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Ghost lit+ drop |
Ghost lit+ drop |
Ghost does-exec drop |
Ghost does-exec drop |
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' doer-forward IS is-forward |
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Ghost :docol Ghost :doesjump Ghost :dodoes 2drop drop |
Ghost :docol Ghost :doesjump Ghost :dodoes 2drop drop |
Ghost :dovar drop |
Ghost :dovar drop |
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' prim-forward IS is-forward |
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\ \ Parameter for target systems 06oct92py |
\ \ Parameter for target systems 06oct92py |
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Line 1260 Variable mirrored-link \ linked
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Line 1274 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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: region ( addr len -- ) |
: region ( addr len -- "name" ) |
\G create a new region |
\G create a new region |
\ check whether predefined region exists |
\ check whether predefined region exists |
save-input bl word find >r >r restore-input throw r> r> 0= |
save-input bl word find >r >r restore-input throw r> r> 0= |
Line 1419 variable sromdp \ start of rom-area for
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Line 1433 variable sromdp \ start of rom-area for
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[THEN] |
[THEN] |
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0 Value current-region |
0 value tdp |
0 Value tdp |
variable fixed \ flag: true: no automatic switching |
Variable fixed \ flag: true: no automatic switching |
\ false: switching is done automatically |
\ false: switching is done automatically |
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\ Switch-Policy: |
\ Switch-Policy: |
Line 1436 variable constflag constflag off
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Line 1450 variable constflag constflag off
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: activate ( region -- ) |
: activate ( region -- ) |
\G next code goes to this region |
\G next code goes to this region |
>rdp to tdp ; |
dup to current-region >rdp to tdp ; |
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: (switchram) |
: (switchram) |
fixed @ ?EXIT s" rom" T $has? H 0= ?EXIT |
fixed @ ?EXIT s" rom" T $has? H 0= ?EXIT |
Line 1530 bigendian
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Line 1544 bigendian
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2drop 0 ; |
2drop 0 ; |
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: taddr>region-abort ( taddr -- region | 0 ) |
: taddr>region-abort ( taddr -- region | 0 ) |
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\G Same as taddr>region but aborts if taddr is not |
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\G a valid address in the target address space |
dup taddr>region dup 0= |
dup taddr>region dup 0= |
IF drop cr ." Wrong address: " .addr |
IF drop cr ." Wrong address: " .addr |
-1 ABORT" Address out of range!" |
-1 ABORT" Address out of range!" |
Line 1650 T has? relocate H
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Line 1666 T has? relocate H
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>CROSS |
>CROSS |
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: call-forward ( ghost -- ) |
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there 0 colon, 0 do-refered ; |
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' call-forward IS is-forward |
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Ghost (do) Ghost (?do) 2drop |
Ghost (do) Ghost (?do) 2drop |
Ghost (for) drop |
Ghost (for) drop |
Ghost (loop) Ghost (+loop) 2drop |
Ghost (loop) Ghost (+loop) 2drop |
Line 1663 Ghost (.") Ghost (S") Ghost (A
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Line 1675 Ghost (.") Ghost (S") Ghost (A
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Ghost (C") drop |
Ghost (C") drop |
Ghost ' drop |
Ghost ' drop |
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\ ' prim-forward IS is-forward |
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\ user ghosts |
\ user ghosts |
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Ghost state drop |
Ghost state drop |
Line 1726 previous
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Line 1736 previous
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>CROSS |
>CROSS |
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: (cc) T a, H ; ' (cc) plugin-of colon, |
: (cc) T a, H ; ' (cc) plugin-of colon, |
: (xt) T a, H ; ' (xt) plugin-of xt, |
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: (prim) T a, H ; ' (prim) plugin-of prim, |
: (prim) T a, H ; ' (prim) plugin-of prim, |
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: (cr) >tempdp colon, tempdp> ; ' (cr) plugin-of colon-resolve |
: (cr) >tempdp colon, tempdp> ; ' (cr) plugin-of colon-resolve |
Line 1740 previous
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Line 1749 previous
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tempdp> ; ' (dr) plugin-of doer-resolve |
tempdp> ; ' (dr) plugin-of doer-resolve |
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: (cm) ( -- addr ) |
: (cm) ( -- addr ) |
T here align H |
there -1 colon, ; ' (cm) plugin-of colonmark, |
-1 xt, ; ' (cm) plugin-of colonmark, |
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>TARGET |
>TARGET |
: compile, ( xt -- ) |
: compile, ( xt -- ) |
Line 1769 previous
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Line 1777 previous
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space> |
space> |
; |
; |
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' (refered) IS do-refered |
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: refered ( ghost tag -- ) |
: refered ( ghost tag -- ) |
\G creates a resolve structure |
\G creates a resolve structure |
T here aligned H swap (refered) |
T here aligned H swap (refered) |
Line 1828 Defer resolve-warning
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Line 1834 Defer resolve-warning
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>link ! ; |
>link ! ; |
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: colon-resolved ( ghost -- ) |
: colon-resolved ( ghost -- ) |
>link @ colon, ; \ compile-call |
\ compiles a call to a colon definition, |
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\ compile action for >comp field |
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>link @ colon, ; |
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: prim-resolved ( ghost -- ) |
: prim-resolved ( ghost -- ) |
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\ compiles a call to a primitive |
>link @ prim, ; |
>link @ prim, ; |
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: (is-forward) ( ghost -- ) |
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colonmark, 0 (refered) ; \ compile space for call |
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' (is-forward) IS is-forward |
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0 Value resolved |
0 Value resolved |
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: resolve ( ghost tcfa -- ) |
: resolve-forward-references ( ghost resolve-list -- ) |
\G resolve referencies to ghost with tcfa |
\ loop through forward referencies |
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comp-state @ >r Resolving comp-state ! |
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over >link @ resolve-loop |
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r> comp-state ! |
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['] noop IS resolve-warning ; |
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: (resolve) ( ghost tcfa -- ghost resolve-list ) |
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\ check for a valid address, it is a primitive reference |
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\ otherwise |
dup taddr>region 0<> IF |
dup taddr>region 0<> IF |
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\ define this address in the region address type table |
2dup (>regiontype) define-addr-struct addr-xt-ghost |
2dup (>regiontype) define-addr-struct addr-xt-ghost |
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\ we define new address only if empty |
\ we define new address only if empty |
\ this is for not to take over the alias ghost |
\ this is for not to take over the alias ghost |
\ (different ghost, but identical xt) |
\ (different ghost, but identical xt) |
\ but the very first that really defines it |
\ but the very first that really defines it |
dup @ 0= IF ! ELSE 2drop THEN |
dup @ 0= IF ! ELSE 2drop THEN |
THEN |
THEN |
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swap >r |
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r@ to resolved |
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\ r@ >comp @ ['] is-forward = |
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\ ABORT" >comp action not set on a resolved ghost" |
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\ copmile action defaults to colon-resolved |
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\ if this is not right something must be set before |
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\ calling resolve |
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r@ >comp @ ['] is-forward = IF |
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['] colon-resolved r@ >comp ! |
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THEN |
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r@ >link @ swap \ ( list tcfa R: ghost ) |
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\ mark ghost as resolved |
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r@ >link ! <res> r@ >magic ! |
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r> swap ; |
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: resolve ( ghost tcfa -- ) |
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\G resolve referencies to ghost with tcfa |
\ is ghost resolved?, second resolve means another |
\ is ghost resolved?, second resolve means another |
\ definition with the same name |
\ definition with the same name |
over undefined? 0= IF exists EXIT THEN |
over undefined? 0= IF exists EXIT THEN |
\ get linked-list |
(resolve) |
swap >r r@ >link @ swap \ ( list tcfa R: ghost ) |
( ghost resolve-list ) |
\ mark ghost as resolved |
resolve-forward-references ; |
dup r@ >link ! <res> r@ >magic ! |
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r@ to resolved |
: resolve-noforwards ( ghost tcfa -- ) |
r@ >comp @ ['] prim-forward = IF |
\G Same as resolve but complain if there are any |
['] prim-resolved r@ >comp ! THEN |
\G forward references on this ghost |
r@ >comp @ what's is-forward = IF |
\ is ghost resolved?, second resolve means another |
['] prim-resolved r@ >comp ! THEN |
\ definition with the same name |
\ loop through forward referencies |
over undefined? 0= IF exists EXIT THEN |
r> -rot |
(resolve) |
comp-state @ >r Resolving comp-state ! |
IF cr ." No forward references allowed on: " .ghost cr |
resolve-loop |
-1 ABORT" Illegal forward reference" |
r> comp-state ! |
THEN |
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drop ; |
['] noop IS resolve-warning |
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; |
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\ gexecute ghost, 01nov92py |
\ gexecute ghost, 01nov92py |
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Line 1874 Defer resolve-warning
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Line 1913 Defer resolve-warning
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dup >comp @ EXECUTE ; |
dup >comp @ EXECUTE ; |
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: gexecute ( ghost -- ) |
: gexecute ( ghost -- ) |
dup >magic @ <imm> = IF -1 ABORT" CROSS: gexecute on immediate word" THEN |
dup >magic @ <imm> = ABORT" CROSS: gexecute on immediate word" |
(gexecute) ; |
(gexecute) ; |
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: addr, ( ghost -- ) |
: addr, ( ghost -- ) |
Line 2127 Defer setup-execution-semantics
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Line 2166 Defer setup-execution-semantics
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\ >in @ cr ." sym:s/CFA=" there 4 0.r ." /" bl word count .sym ." /g" cr >in ! |
\ >in @ cr ." sym:s/CFA=" there 4 0.r ." /" bl word count .sym ." /g" cr >in ! |
HeaderGhost |
HeaderGhost |
\ output symbol table to extra file |
\ output symbol table to extra file |
[ [IFDEF] fd-symbol-table ] |
dup >ghostname there symentry |
base @ hex there s>d <# 8 0 DO # LOOP #> fd-symbol-table write-file throw base ! |
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s" :" fd-symbol-table write-file throw |
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dup >ghostname fd-symbol-table write-line throw |
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[ [THEN] ] |
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dup Last-Header-Ghost ! dup to lastghost |
dup Last-Header-Ghost ! dup to lastghost |
dup >magic ^imm ! \ a pointer for immediate |
dup >magic ^imm ! \ a pointer for immediate |
alias-mask flag! |
alias-mask flag! |
Line 2187 Defer setup-prim-semantics
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Line 2222 Defer setup-prim-semantics
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: mapprim: ( "forthname" "asmlabel" -- ) |
: mapprim: ( "forthname" "asmlabel" -- ) |
-1 aprim-nr +! aprim-nr @ |
-1 aprim-nr +! aprim-nr @ |
Ghost tuck swap resolve <do:> swap tuck >magic ! |
Ghost tuck swap resolve-noforwards <do:> swap tuck >magic ! |
asmprimname, ; |
asmprimname, ; |
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: Doer: ( cfa -- ) \ name |
: Doer: ( cfa -- ) \ name |
Line 2197 Defer setup-prim-semantics
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Line 2232 Defer setup-prim-semantics
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.sourcepos ." needs doer: " >in @ bl word count type >in ! cr |
.sourcepos ." needs doer: " >in @ bl word count type >in ! cr |
THEN |
THEN |
Ghost |
Ghost |
tuck swap resolve <do:> swap >magic ! ; |
tuck swap resolve-noforwards <do:> swap >magic ! ; |
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Variable prim# |
Variable prim# |
: first-primitive ( n -- ) prim# ! ; |
: first-primitive ( n -- ) prim# ! ; |
Line 2208 Variable prim#
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Line 2243 Variable prim#
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.sourcepos ." needs prim: " >in @ bl word count type >in ! cr |
.sourcepos ." needs prim: " >in @ bl word count type >in ! cr |
THEN |
THEN |
prim# @ (THeader ( S xt ghost ) |
prim# @ (THeader ( S xt ghost ) |
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['] prim-resolved over >comp ! |
dup >ghost-flags <primitive> set-flag |
dup >ghost-flags <primitive> set-flag |
over resolve T A, H alias-mask flag! |
over resolve-noforwards T A, H alias-mask flag! |
-1 prim# +! ; |
-1 prim# +! ; |
>CROSS |
>CROSS |
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Line 2289 T 2 cells H Value xt>body
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Line 2325 T 2 cells H Value xt>body
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: (docol,) ( -- ) [G'] :docol (doer,) ; ' (docol,) plugin-of docol, |
: (docol,) ( -- ) [G'] :docol (doer,) ; ' (docol,) plugin-of docol, |
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' NOOP plugin-of ca>native |
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: (doprim,) ( -- ) |
: (doprim,) ( -- ) |
there xt>body + ca>native T a, H 1 fillcfa ; ' (doprim,) plugin-of doprim, |
there xt>body + ca>native T a, H 1 fillcfa ; ' (doprim,) plugin-of doprim, |
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Line 2327 Defer (end-code)
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Line 2365 Defer (end-code)
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>TARGET |
>TARGET |
: Code |
: Code |
defempty? |
defempty? |
(THeader there resolve |
(THeader ( ghost ) |
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['] prim-resolved over >comp ! |
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there resolve-noforwards |
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[ T e? prims H 0= [IF] T e? ITC H [ELSE] true [THEN] ] [IF] |
[ T e? prims H 0= [IF] T e? ITC H [ELSE] true [THEN] ] [IF] |
doprim, |
doprim, |
[THEN] |
[THEN] |
depth (code) ; |
depth (code) ; |
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\ FIXME : no-compile -1 ABORT" this ghost is not for compilation" ; |
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: Code: |
: Code: |
defempty? |
defempty? |
Ghost dup there ca>native resolve <do:> swap >magic ! |
Ghost >r |
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r@ >ghostname there symentry |
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r@ there ca>native resolve-noforwards |
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<do:> r@ >magic ! |
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r> drop |
depth (code) ; |
depth (code) ; |
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: end-code |
: end-code |
Line 2504 Cond: [ ( -- ) interpreting-state ;Cond
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Line 2551 Cond: [ ( -- ) interpreting-state ;Cond
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: !does ( does-action -- ) |
: !does ( does-action -- ) |
tlastcfa @ [G'] :dovar killref |
tlastcfa @ [G'] :dovar killref |
>space here >r ghostheader space> |
>space here >r ghostheader space> |
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['] colon-resolved r@ >comp ! |
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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Line 2787 DO: abort" Not in cross mode" ;DO
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Line 2835 DO: abort" Not in cross mode" ;DO
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\ this section defines different compilation |
\ this section defines different compilation |
\ actions for created words |
\ actions for created words |
\ this will help the peephole optimizer |
\ this will help the peephole optimizer |
\ I (jaw) took this from bernds lates cross-compiler |
\ I (jaw) took this from bernds latest cross-compiler |
\ changes but seperated it from the original |
\ changes but seperated it from the original |
\ Builder words. The final plan is to put this |
\ Builder words. The final plan is to put this |
\ into a seperate file, together with the peephole |
\ into a seperate file, together with the peephole |
Line 2799 T has? peephole H [IF]
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Line 2847 T has? peephole H [IF]
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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, |
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: (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 |
: (prim) dup 0< IF $4000 - ELSE |
: (pprim) dup 0< IF $4000 - ELSE |
." wrong usage of (prim) " |
cr ." wrong usage of (prim) " |
dup gdiscover IF .ghost ELSE . THEN cr -2 throw THEN |
dup gdiscover IF .ghost ELSE . THEN cr -1 throw THEN |
T a, H ; ' (prim) plugin-of prim, |
T a, H ; ' (pprim) plugin-of prim, |
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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 3439 Cond: [IFUNDEF] postpone [IFUNDEF] ;Cond
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Line 3488 Cond: [IFUNDEF] postpone [IFUNDEF] ;Cond
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: d? d? ; |
: d? d? ; |
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: \D ( -- "debugswitch" ) |
\G doesn't skip line when debug switch is on |
\G doesn't skip line when debug switch is on |
: \D D? 0= IF postpone \ THEN ; |
D? 0= IF postpone \ THEN ; |
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: \- ( -- "wordname" ) |
\G interprets the line if word is not defined |
\G interprets the line if word is not defined |
: \- tdefined? IF postpone \ THEN ; |
tdefined? IF postpone \ THEN ; |
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: \+ ( -- "wordname" ) |
\G interprets the line if word is defined |
\G interprets the line if word is defined |
: \+ tdefined? 0= IF postpone \ THEN ; |
tdefined? 0= IF postpone \ THEN ; |
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: \? ( -- "envorinstring" ) |
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\G Skip line if environmental variable evaluates to false |
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X has? 0= IF postpone \ THEN ; |
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Cond: \- \- ;Cond |
Cond: \- \- ;Cond |
Cond: \+ \+ ;Cond |
Cond: \+ \+ ;Cond |
Cond: \D \D ;Cond |
Cond: \D \D ;Cond |
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Cond: \? \? ;Cond |
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: ?? bl word find IF execute ELSE drop 0 THEN ; |
: ?? bl word find IF execute ELSE drop 0 THEN ; |
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Line 3519 previous
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Line 3576 previous
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: rot rot ; |
: rot rot ; |
: drop drop ; |
: drop drop ; |
: = = ; |
: = = ; |
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: <> <> ; |
: 0= 0= ; |
: 0= 0= ; |
: lshift lshift ; |
: lshift lshift ; |
: 2/ 2/ ; |
: 2/ 2/ ; |
Line 3573 previous
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Line 3631 previous
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\ : words also ghosts |
\ : words also ghosts |
\ words previous ; |
\ words previous ; |
: .s .s ; |
: .s .s ; |
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: depth depth ; |
: bye bye ; |
: bye bye ; |
|
|
\ dummy |
\ dummy |