| \ CROSS.FS The Cross-Compiler 06oct92py |
\ CROSS.FS The Cross-Compiler 06oct92py |
| \ Idea and implementation: Bernd Paysan (py) |
\ Idea and implementation: Bernd Paysan (py) |
| |
|
| \ Copyright (C) 1995,1996,1997,1998,1999,2000 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998,1999,2000,2003,2004,2005,2006 Free Software Foundation, Inc. |
| |
|
| \ This file is part of Gforth. |
\ This file is part of Gforth. |
| |
|
| cross.fs is used seperately. jaw |
cross.fs is used seperately. jaw |
| - Do we need this char translation with >address and in branchoffset? |
- Do we need this char translation with >address and in branchoffset? |
| (>body also affected) jaw |
(>body also affected) jaw |
| - MAXU etc. can be done with dlit, |
|
| |
|
| [THEN] |
[THEN] |
| |
|
| |
s" compat/strcomp.fs" included |
| |
|
| hex |
hex |
| |
|
| \ debugging for compiling |
\ debugging for compiling |
| |
|
| >CROSS |
>CROSS |
| |
|
| |
\ Test against this definitions to find out whether we are cross-compiling |
| |
\ may be usefull for assemblers |
| |
0 Constant gforth-cross-indicator |
| |
|
| \ find out whether we are compiling with gforth |
\ find out whether we are compiling with gforth |
| |
|
| : defined? bl word find nip ; |
: defined? bl word find nip ; |
| |
|
| hex |
hex |
| |
|
| |
\ 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!!! |
| |
|
| |
\ FIXME move down |
| : comment? ( c-addr u -- c-addr u ) |
: comment? ( c-addr u -- c-addr u ) |
| 2dup s" (" compare 0= |
2dup s" (" str= |
| IF postpone ( |
IF postpone ( |
| ELSE 2dup s" \" compare 0= IF postpone \ THEN |
ELSE 2dup s" \" str= IF postpone \ THEN |
| THEN ; |
THEN ; |
| |
|
| : 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 |
| |
\G switch to target dictionary. Used as prefix e.g. for @, !, here etc. |
| |
bl word count [ ' target >wordlist ] Literal search-wordlist |
| |
IF state @ IF compile, ELSE execute THEN |
| ELSE -1 ABORT" Cross: access method not supported!" |
ELSE -1 ABORT" Cross: access method not supported!" |
| THEN ; immediate |
THEN ; immediate |
| |
|
| \ POSTPONE false |
\ POSTPONE false |
| THEN ; immediate |
THEN ; immediate |
| |
|
| |
: symentry ( adr len taddr -- ) |
| |
\G Produce a symbol table (an optional symbol address |
| |
\G map) if wanted |
| |
[ [IFDEF] fd-symbol-table ] |
| |
base @ swap hex s>d <# 8 0 DO # LOOP #> fd-symbol-table write-file throw base ! |
| |
s" :" fd-symbol-table write-file throw |
| |
fd-symbol-table write-line throw |
| |
[ [ELSE] ] |
| |
2drop drop |
| |
[ [THEN] ] ; |
| |
|
| |
|
| \ \ -------------------- source file |
\ \ -------------------- source file |
| |
|
| decimal |
decimal |
| \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= ; |
| |
|
| : path>counted cell+ dup cell+ swap @ ; |
: path>string cell+ dup cell+ swap @ ; |
| |
|
| : next-path ( adr len -- adr2 len2 ) |
: next-path ( adr len -- adr2 len2 ) |
| 2dup 0 scan |
2dup 0 scan |
| r> - ; |
r> - ; |
| |
|
| : previous-path ( path^ -- ) |
: previous-path ( path^ -- ) |
| dup path>counted |
dup path>string |
| BEGIN tuck dup WHILE repeat ; |
BEGIN tuck dup WHILE repeat ; |
| |
|
| : .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 ; |
| |
|
| : .fpath ( -- ) \ gforth |
: .fpath ( -- ) \ gforth |
| 2dup 2 u> swap 1+ c@ [char] : = and >r \ dos absoulte: c:/.... |
2dup 2 u> swap 1+ c@ [char] : = and >r \ dos absoulte: c:/.... |
| over c@ [char] / = >r |
over c@ [char] / = >r |
| over c@ [char] ~ = >r |
over c@ [char] ~ = >r |
| \ 2dup 3 min S" ../" compare 0= r> or >r \ not catered for in expandtopic |
\ 2dup S" ../" string-prefix? r> or >r \ not catered for in expandtopic |
| 2 min S" ./" compare 0= |
S" ./" string-prefix? |
| r> r> r> or or or ; |
r> r> r> or or or ; |
| |
|
| Create ofile 0 c, 255 chars allot |
Create ofile 0 c, 255 chars allot |
| REPEAT ; |
REPEAT ; |
| |
|
| : remove~+ ( -- ) |
: remove~+ ( -- ) |
| ofile count 3 min s" ~+/" compare 0= |
ofile count s" ~+/" string-prefix? |
| IF |
IF |
| ofile count 3 /string ofile place |
ofile count 3 /string ofile place |
| THEN ; |
THEN ; |
| |
|
| : expandtopic ( -- ) \ stack effect correct? - anton |
: expandtopic ( -- ) \ stack effect correct? - anton |
| \ expands "./" into an absolute name |
\ expands "./" into an absolute name |
| ofile count 2 min s" ./" compare 0= |
ofile count s" ./" string-prefix? |
| IF |
IF |
| ofile count 1 /string tfile place |
ofile count 1 /string tfile place |
| 0 ofile c! sourcefilename extractpath ofile place |
0 ofile c! sourcefilename extractpath ofile place |
| \ deletes phrases like "xy/.." out of our directory name 2dec97jaw |
\ deletes phrases like "xy/.." out of our directory name 2dec97jaw |
| over swap |
over swap |
| BEGIN dup WHILE |
BEGIN dup WHILE |
| dup >r '/ scan 2dup 4 min s" /../" compare 0= |
dup >r '/ scan 2dup s" /../" string-prefix? |
| IF |
IF |
| dup r> - >r 4 /string over r> + 4 - |
dup r> - >r 4 /string over r> + 4 - |
| swap 2dup + >r move dup r> over - |
swap 2dup + >r move dup r> over - |
| 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 |
| : included? ( c-addr u -- f ) |
: included? ( c-addr u -- f ) |
| file-list |
file-list |
| BEGIN @ dup |
BEGIN @ dup |
| WHILE >r 2dup r@ >fl-name count compare 0= |
WHILE >r 2dup r@ >fl-name count str= |
| IF rdrop 2drop true EXIT THEN |
IF rdrop 2drop true EXIT THEN |
| r> |
r> |
| REPEAT |
REPEAT |
| : defempty? empty? ; |
: defempty? empty? ; |
| [ELSE] |
[ELSE] |
| : defempty? ; immediate |
: defempty? ; immediate |
| |
\ : defempty? .sourcepos ; |
| [THEN] |
[THEN] |
| |
|
| \ \ -------------------- Compiler Plug Ins 01aug97jaw |
\ \ -------------------- Compiler Plug Ins 01aug97jaw |
| Plugin branchtomark, ( -- target-addr ) \ marks a branch destination |
Plugin branchtomark, ( -- target-addr ) \ marks a branch destination |
| |
|
| 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 |
|
| 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 -- ) |
| Plugin leave, ( -- ) |
Plugin leave, ( -- ) |
| Plugin ?leave, ( -- ) |
Plugin ?leave, ( -- ) |
| |
|
| [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 |
| |
\ convert the addresses. |
| |
\ The only target where we need this is the misc |
| |
\ which is a 16 Bit processor with word addresses |
| |
\ but the forth system we build has a normal byte |
| |
\ addressed memory model |
| |
|
| 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 |
| THEN ; |
THEN ; |
| |
|
| Defer is-forward |
Defer is-forward |
| Defer do-refered |
|
| |
|
| : prim-forward ( ghost -- ) |
|
| colonmark, 1 do-refered ; \ compile space for call |
|
| ' prim-forward IS is-forward |
|
| |
|
| : (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 , ; |
| |
|
| : ghostheader ( -- ) (ghostheader) 0 , ; |
: ghostheader ( -- ) (ghostheader) 0 , ; |
| Ghost unloop Ghost ;S 2drop |
Ghost unloop Ghost ;S 2drop |
| Ghost lit Ghost ! 2drop |
Ghost lit Ghost ! 2drop |
| Ghost noop drop |
Ghost noop drop |
| Ghost :docol Ghost :doesjump Ghost :dodoes 2drop drop |
|
| Ghost :dovar drop |
|
| Ghost over Ghost = Ghost drop 2drop drop |
Ghost over Ghost = Ghost drop 2drop drop |
| Ghost 2drop drop |
Ghost 2drop drop |
| Ghost 2dup drop |
Ghost 2dup drop |
| Ghost lit+ drop |
Ghost lit+ drop |
| Ghost does-exec drop |
Ghost does-exec drop |
| |
|
| |
Ghost :docol Ghost :doesjump Ghost :dodoes 2drop drop |
| |
Ghost :dovar drop |
| |
|
| \ \ Parameter for target systems 06oct92py |
\ \ Parameter for target systems 06oct92py |
| |
|
| |
|
| false DefaultValue backtrace |
false DefaultValue backtrace |
| false DefaultValue new-input |
false DefaultValue new-input |
| false DefaultValue peephole |
false DefaultValue peephole |
| |
false DefaultValue primcentric |
| |
false DefaultValue abranch |
| |
true DefaultValue f83headerstring |
| |
true DefaultValue control-rack |
| [THEN] |
[THEN] |
| |
|
| |
true DefaultValue gforthcross |
| true DefaultValue interpreter |
true DefaultValue interpreter |
| true DefaultValue ITC |
true DefaultValue ITC |
| false DefaultValue rom |
false DefaultValue rom |
| |
false DefaultValue flash |
| true DefaultValue standardthreading |
true DefaultValue standardthreading |
| |
|
| |
\ ANSForth environment stuff |
| |
8 DefaultValue ADDRESS-UNIT-BITS |
| |
255 DefaultValue MAX-CHAR |
| |
255 DefaultValue /COUNTED-STRING |
| |
|
| >TARGET |
>TARGET |
| s" relocate" T environment? H |
s" relocate" T environment? H |
| \ JAW why set NIL to this?! |
\ JAW why set NIL to this?! |
| |
|
| \ Variables 06oct92py |
\ Variables 06oct92py |
| |
|
| Variable image |
Variable (tlast) |
| Variable 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$ |
|
| |
|
| \ statistics 10jun97jaw |
\ statistics 10jun97jaw |
| |
|
| 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 ! |
| |
|
| |
: >rname 9 cells + ; |
| : >rname 7 cells + ; |
: >rtouch 8 cells + ; \ executed when region is accessed |
| : >rbm 4 cells + ; |
: >rbm 4 cells + ; \ bitfield per cell witch indicates relocation |
| : >rmem 5 cells + ; |
: >rmem 5 cells + ; |
| : >rtype 6 cells + ; |
: >rtype 6 cells + ; \ field per cell witch points to a type struct |
| |
: >rrom 7 cells + ; \ a -1 indicates that this region is rom |
| : >rlink 3 cells + ; |
: >rlink 3 cells + ; |
| : >rdp 2 cells + ; |
: >rdp 2 cells + ; |
| : >rlen cell+ ; |
: >rlen cell+ ; |
| >r r@ last-defined-region ! |
>r r@ last-defined-region ! |
| r@ >rlen ! dup r@ >rstart ! r> >rdp ! ; |
r@ >rlen ! dup r@ >rstart ! r> >rdp ! ; |
| |
|
| : region ( addr len -- ) |
: uninitialized -1 ABORT" CROSS: Region is uninitialized" ; |
| |
|
| |
: 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= |
| 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 , bl word count string, |
region-link linked 0 , 0 , 0 , 0 , |
| |
['] uninitialized , |
| |
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) |
| \G returns the total area |
\G returns the total area |
| dup >rstart @ swap >rlen @ ; |
dup >rstart @ swap >rlen @ ; |
| |
|
| : mirrored |
: dp@ ( region -- dp ) |
| \G mark a region as mirrored |
>rdp @ ; |
| |
|
| |
: mirrored ( -- ) |
| |
\G mark last defined region as mirrored |
| mirrored-link |
mirrored-link |
| align linked last-defined-region @ , ; |
align linked last-defined-region @ , ; |
| |
|
| |
: writeprotected |
| |
\G mark a region as write protected |
| |
-1 last-defined-region @ >rrom ! ; |
| |
|
| : .addr ( u -- ) |
: .addr ( u -- ) |
| \G prints a 16 or 32 Bit nice hex value |
\G prints a 16 or 32 Bit nice hex value |
| base @ >r hex |
base @ >r hex |
| 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 |
| |
|
| |
0 0 region user-region |
| |
\ data for user variables goes here |
| |
\ this has to be defined before dictionary or ram-dictionary |
| |
|
| 0 0 region dictionary |
0 0 region dictionary |
| \ rom area for the compiler |
\ rom area for the compiler |
| |
|
| |
|
| ' dictionary ALIAS rom-dictionary |
' dictionary ALIAS rom-dictionary |
| |
|
| |
: setup-region ( region -- ) |
| |
>r |
| |
\ allocate mem |
| |
r@ >rlen @ allocatetarget |
| |
r@ >rmem ! |
| |
|
| |
r@ >rlen @ |
| |
target>bitmask-size allocatetarget |
| |
r@ >rbm ! |
| |
|
| |
r@ >rlen @ |
| |
tcell / 1+ cells allocatetarget r@ >rtype ! |
| |
|
| |
['] noop r@ >rtouch ! |
| |
rdrop ; |
| |
|
| : setup-target ( -- ) \G initialize target's memory space |
: setup-target ( -- ) \G initialize target's memory space |
| s" rom" T $has? H |
s" rom" T $has? H |
| WHILE dup |
WHILE dup |
| 0 >rlink - >r |
0 >rlink - >r |
| r@ >rlen @ |
r@ >rlen @ |
| IF \ allocate mem |
IF r@ setup-region |
| r@ >rlen @ allocatetarget dup image ! |
THEN rdrop |
| r@ >rmem ! |
|
| |
|
| r@ >rlen @ |
|
| target>bitmask-size allocatetarget |
|
| dup bit$ ! |
|
| r@ >rbm ! |
|
| |
|
| r@ >rlen @ |
|
| tcell / 1+ cells allocatetarget r@ >rtype ! |
|
| |
|
| rdrop |
|
| ELSE r> drop THEN |
|
| REPEAT drop ; |
REPEAT drop ; |
| |
|
| \ MakeKernel 22feb99jaw |
\ MakeKernel 22feb99jaw |
| |
|
| : 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 ; |
|
| |
|
| >MINIMAL |
>MINIMAL |
| : makekernel makekernel ; |
: makekernel makekernel ; |
| |
|
| [THEN] |
[THEN] |
| |
|
| |
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 |
| |
|
| \ Switch-Policy: |
\ Switch-Policy: |
| |
|
| : 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 ; |
| |
|
| : (switchram) |
: (switchram) |
| fixed @ ?EXIT s" rom" T $has? H 0= ?EXIT |
fixed @ ?EXIT s" rom" T $has? H 0= ?EXIT |
| 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 |
| |
dup >rtouch @ EXECUTE EXIT |
| |
THEN |
| THEN |
THEN |
| r> drop |
r> drop |
| r> |
r> |
| 2drop 0 ; |
2drop 0 ; |
| |
|
| : taddr>region-abort ( taddr -- region | 0 ) |
: taddr>region-abort ( taddr -- region | 0 ) |
| |
\G Same as taddr>region but aborts if taddr is not |
| |
\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!" |
| \ add regions real address in our memory |
\ add regions real address in our memory |
| r> >rmem @ + ; |
r> >rmem @ + ; |
| |
|
| |
: (>regionramimage) ( taddr -- 'taddr ) |
| |
\G same as (>regionimage) but aborts if the region is rom |
| |
dup |
| |
\ find region we want to address |
| |
taddr>region-abort |
| |
>r |
| |
r@ >rrom @ ABORT" CROSS: region is write-protected!" |
| |
\ calculate offset in region |
| |
r@ >rstart @ - |
| |
\ add regions real address in our memory |
| |
r> >rmem @ + ; |
| |
|
| : (>regionbm) ( taddr -- 'taddr bitmaskbaseaddr ) |
: (>regionbm) ( taddr -- 'taddr bitmaskbaseaddr ) |
| dup |
dup |
| \ find region we want to address |
\ find region we want to address |
| [ [THEN] ] |
[ [THEN] ] |
| (>regionbm) swap cell/ -bit ; |
(>regionbm) swap cell/ -bit ; |
| |
|
| : (>image) ( taddr -- absaddr ) image @ + ; |
|
| |
|
| DEFER >image |
DEFER >image |
| |
DEFER >ramimage |
| DEFER relon |
DEFER relon |
| DEFER reloff |
DEFER reloff |
| DEFER correcter |
DEFER correcter |
| ' (relon) IS relon |
' (relon) IS relon |
| ' (reloff) IS reloff |
' (reloff) IS reloff |
| ' (>regionimage) IS >image |
' (>regionimage) IS >image |
| |
' (>regionimage) IS >ramimage |
| [ELSE] |
[ELSE] |
| ' drop IS relon |
' drop IS relon |
| ' drop IS reloff |
' drop IS reloff |
| ' (>regionimage) IS >image |
' (>regionimage) IS >image |
| |
' (>regionimage) IS >ramimage |
| [THEN] |
[THEN] |
| |
|
| |
: enforce-writeprotection ( -- ) |
| |
['] (>regionramimage) IS >ramimage ; |
| |
|
| |
: relax-writeprotection ( -- ) |
| |
['] (>regionimage) IS >ramimage ; |
| |
|
| |
: writeprotection-relaxed? ( -- ) |
| |
['] >ramimage >body @ ['] (>regionimage) = ; |
| |
|
| \ Target memory access 06oct92py |
\ Target memory access 06oct92py |
| |
|
| : align+ ( taddr -- rest ) |
: align+ ( taddr -- rest ) |
| dup cfalign+ + ; |
dup cfalign+ + ; |
| |
|
| : @ ( taddr -- w ) >image S@ ; |
: @ ( taddr -- w ) >image S@ ; |
| : ! ( w taddr -- ) >image S! ; |
: ! ( w taddr -- ) >ramimage S! ; |
| : c@ ( taddr -- char ) >image Sc@ ; |
: c@ ( taddr -- char ) >image Sc@ ; |
| : c! ( char taddr -- ) >image Sc! ; |
: c! ( char taddr -- ) >ramimage Sc! ; |
| : 2@ ( taddr -- x1 x2 ) T dup cell+ @ swap @ H ; |
: 2@ ( taddr -- x1 x2 ) T dup cell+ @ swap @ H ; |
| : 2! ( x1 x2 taddr -- ) T tuck ! cell+ ! H ; |
: 2! ( x1 x2 taddr -- ) T tuck ! cell+ ! H ; |
| |
|
| |
|
| >CROSS |
>CROSS |
| |
|
| : call-forward ( ghost -- ) |
|
| there 0 colon, 0 do-refered ; |
|
| ' call-forward IS is-forward |
|
| |
|
| 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 |
| Ghost (next) drop |
Ghost (next) drop |
| Ghost (does>) Ghost (compile) 2drop |
Ghost (does>) Ghost (does>1) Ghost (does>2) 2drop drop |
| |
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 |
| |
|
| \ ' prim-forward IS is-forward |
|
| |
|
| \ user ghosts |
\ user ghosts |
| |
|
| Ghost state drop |
Ghost state drop |
| swap -rot bounds ?DO I c@ over X c! X char+ LOOP drop ; |
swap -rot bounds ?DO I c@ over X c! X char+ LOOP drop ; |
| |
|
| 2Variable last-string |
2Variable last-string |
| |
X has? rom [IF] $60 [ELSE] $00 [THEN] Constant header-masks |
| |
|
| |
: ht-header, ( addr count -- ) |
| |
dup there swap last-string 2! |
| |
dup header-masks or T c, H bounds ?DO I c@ T c, H LOOP ; |
| : ht-string, ( addr count -- ) |
: ht-string, ( addr count -- ) |
| dup there swap last-string 2! |
dup there swap last-string 2! |
| dup T c, H bounds ?DO I c@ T c, H LOOP ; |
dup T c, H bounds ?DO I c@ T c, H LOOP ; |
| |
: ht-mem, ( addr count ) |
| |
bounds ?DO I c@ T c, H LOOP ; |
| |
|
| >TARGET |
>TARGET |
| |
|
| : count dup X c@ swap X char+ swap ; |
: count dup X c@ swap X char+ swap ; |
| |
|
| : on -1 -1 rot TD! ; |
: on >r -1 -1 r> TD! ; |
| : off T 0 swap ! H ; |
: off T 0 swap ! H ; |
| |
|
| : tcmove ( source dest len -- ) |
: tcmove ( source dest len -- ) |
| ?DO dup T c@ H I T c! H 1+ |
?DO dup T c@ H I T c! H 1+ |
| tchar +LOOP drop ; |
tchar +LOOP drop ; |
| |
|
| |
: tcallot ( char size -- ) |
| |
0 ?DO dup T c, H tchar +LOOP drop ; |
| |
|
| : td, ( d -- ) |
: td, ( d -- ) |
| \G Store a host value as one cell into the target |
\G Store a host value as one cell into the target |
| there tcell X allot TD! ; |
there tcell X allot TD! ; |
| >CROSS |
>CROSS |
| |
|
| : (cc) T a, H ; ' (cc) plugin-of colon, |
: (cc) T a, H ; ' (cc) plugin-of colon, |
| : (xt) T a, H ; ' (xt) plugin-of xt, |
|
| : (prim) T a, H ; ' (prim) plugin-of prim, |
: (prim) T a, H ; ' (prim) plugin-of prim, |
| |
|
| : (cr) >tempdp colon, tempdp> ; ' (cr) plugin-of colon-resolve |
: (cr) >tempdp colon, tempdp> ; ' (cr) plugin-of colon-resolve |
| tempdp> ; ' (dr) plugin-of doer-resolve |
tempdp> ; ' (dr) plugin-of doer-resolve |
| |
|
| : (cm) ( -- addr ) |
: (cm) ( -- addr ) |
| T here align H |
there -1 colon, ; ' (cm) plugin-of colonmark, |
| -1 xt, ; ' (cm) plugin-of colonmark, |
|
| |
|
| >TARGET |
>TARGET |
| : compile, ( xt -- ) |
: compile, ( xt -- ) |
| space> |
space> |
| ; |
; |
| |
|
| ' (refered) IS do-refered |
|
| |
|
| : 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) |
| >link ! ; |
>link ! ; |
| |
|
| : colon-resolved ( ghost -- ) |
: colon-resolved ( ghost -- ) |
| >link @ colon, ; \ compile-call |
\ compiles a call to a colon definition, |
| |
\ compile action for >comp field |
| |
>link @ colon, ; |
| |
|
| : prim-resolved ( ghost -- ) |
: prim-resolved ( ghost -- ) |
| |
\ compiles a call to a primitive |
| >link @ prim, ; |
>link @ prim, ; |
| |
|
| |
: (is-forward) ( ghost -- ) |
| |
colonmark, 0 (refered) ; \ compile space for call |
| |
' (is-forward) IS is-forward |
| |
|
| 0 Value resolved |
0 Value resolved |
| |
|
| : resolve ( ghost tcfa -- ) |
: resolve-forward-references ( ghost resolve-list -- ) |
| \G resolve referencies to ghost with tcfa |
\ loop through forward referencies |
| |
comp-state @ >r Resolving comp-state ! |
| |
over >link @ resolve-loop |
| |
r> comp-state ! |
| |
|
| |
['] noop IS resolve-warning ; |
| |
|
| |
|
| |
: (resolve) ( ghost tcfa -- ghost resolve-list ) |
| |
\ check for a valid address, it is a primitive reference |
| |
\ otherwise |
| dup taddr>region 0<> IF |
dup taddr>region 0<> IF |
| |
\ 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 |
| |
|
| \ 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 |
| |
swap >r |
| |
r@ to resolved |
| |
|
| |
\ r@ >comp @ ['] is-forward = |
| |
\ ABORT" >comp action not set on a resolved ghost" |
| |
|
| |
\ copmile action defaults to colon-resolved |
| |
\ if this is not right something must be set before |
| |
\ calling resolve |
| |
r@ >comp @ ['] is-forward = IF |
| |
['] colon-resolved r@ >comp ! |
| |
THEN |
| |
r@ >link @ swap \ ( list tcfa R: ghost ) |
| |
\ mark ghost as resolved |
| |
r@ >link ! <res> r@ >magic ! |
| |
r> swap ; |
| |
|
| |
: resolve ( ghost tcfa -- ) |
| |
\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 ! |
|
| 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 |
| |
drop ; |
| ['] noop IS resolve-warning |
|
| ; |
|
| |
|
| \ gexecute ghost, 01nov92py |
\ gexecute ghost, 01nov92py |
| |
|
| dup >comp @ EXECUTE ; |
dup >comp @ EXECUTE ; |
| |
|
| : 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) ; |
| |
|
| : addr, ( ghost -- ) |
: addr, ( ghost -- ) |
| \ Header states 12dec92py |
\ Header states 12dec92py |
| |
|
| \ : 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 ; |
| |
|
| VARIABLE ^imm |
VARIABLE ^imm |
| dup T , H bounds ?DO I c@ T c, H LOOP ; |
dup T , H bounds ?DO I c@ T c, H LOOP ; |
| |
|
| >TARGET |
>TARGET |
| |
X has? f83headerstring [IF] |
| |
: name, ( "name" -- ) bl word count ht-header, X cfalign ; |
| |
[ELSE] |
| : name, ( "name" -- ) bl word count ht-lstring, X cfalign ; |
: name, ( "name" -- ) bl word count ht-lstring, X cfalign ; |
| |
[THEN] |
| : view, ( -- ) ( dummy ) ; |
: view, ( -- ) ( dummy ) ; |
| >CROSS |
>CROSS |
| |
|
| 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 |
| |
|
| 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, |
| |
|
| 0= |
0= |
| ELSE drop true THEN ; |
ELSE drop true THEN ; |
| |
|
| : doer? ( -- flag ) \ name |
: doer? ( "name" -- 0 | addr ) \ name |
| Ghost >magic @ <do:> = ; |
Ghost dup >magic @ <do:> = |
| |
IF >link @ ELSE drop 0 THEN ; |
| |
|
| : skip-defs ( -- ) |
: skip-defs ( -- ) |
| BEGIN refill WHILE source -trailing nip 0= UNTIL THEN ; |
BEGIN refill WHILE source -trailing nip 0= UNTIL THEN ; |
| ENDCASE |
ENDCASE |
| LOOP ; |
LOOP ; |
| |
|
| Defer setup-execution-semantics |
Defer setup-execution-semantics ' noop IS setup-execution-semantics |
| 0 Value lastghost |
0 Value lastghost |
| |
|
| : (THeader ( "name" -- ghost ) |
: (THeader ( "name" -- ghost ) |
| \ >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 ! |
|
| s" :" fd-symbol-table write-file throw |
|
| dup >ghostname fd-symbol-table write-line throw |
|
| [ [THEN] ] |
|
| 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! |
| |
|
| : 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, ; |
| |
|
| : Alias: ( cfa -- ) \ name |
: Doer: ( cfa -- ) \ name |
| >in @ skip? IF 2drop EXIT THEN >in ! |
>in @ skip? IF 2drop EXIT THEN >in ! |
| dup 0< s" prims" T $has? H 0= and |
dup 0< s" prims" T $has? H 0= and |
| IF |
IF |
| .sourcepos ." needs doer: " >in @ bl word count type >in ! cr |
.sourcepos ." needs doer: " >in @ bl word count type >in ! cr |
| THEN |
THEN |
| Ghost tuck swap resolve <do:> swap >magic ! ; |
Ghost |
| |
tuck swap resolve-noforwards <do:> swap >magic ! ; |
| |
|
| Variable prim# |
Variable prim# |
| : first-primitive ( n -- ) prim# ! ; |
: first-primitive ( n -- ) prim# ! ; |
| |
: group 0 word drop prim# @ 1- -$200 and prim# ! ; |
| |
: 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= |
| IF |
IF |
| .sourcepos ." needs prim: " >in @ bl word count type >in ! cr |
.sourcepos ." needs prim: " >in @ bl word count type >in ! cr |
| THEN |
THEN |
| \ ['] prim-forward IS is-forward |
|
| prim# @ (THeader ( S xt ghost ) |
prim# @ (THeader ( S xt ghost ) |
| |
['] 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 |
| \ ['] call-forward IS is-forward |
s" EC" T $has? H 0= |
| |
IF |
| |
alias-mask flag! |
| |
THEN |
| -1 prim# +! ; |
-1 prim# +! ; |
| >CROSS |
>CROSS |
| |
|
| |
|
| : (docol,) ( -- ) [G'] :docol (doer,) ; ' (docol,) plugin-of docol, |
: (docol,) ( -- ) [G'] :docol (doer,) ; ' (docol,) plugin-of docol, |
| |
|
| |
' NOOP plugin-of ca>native |
| |
|
| : (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, |
| |
|
| : (doeshandler,) ( -- ) |
: (doeshandler,) ( -- ) |
| T cfalign H compile :doesjump T 0 , H ; ' (doeshandler,) plugin-of doeshandler, |
T cfalign H [G'] :doesjump addr, T 0 , H ; ' (doeshandler,) plugin-of doeshandler, |
| |
|
| : (dodoes,) ( does-action-ghost -- ) |
: (dodoes,) ( does-action-ghost -- ) |
| ]comp [G'] :dodoes gexecute comp[ |
]comp [G'] :dodoes addr, comp[ |
| addr, |
addr, |
| \ the relocator in the c engine, does not like the |
\ the relocator in the c engine, does not like the |
| \ does-address to marked for relocation |
\ does-address to marked for relocation |
| >TARGET |
>TARGET |
| : Code |
: Code |
| defempty? |
defempty? |
| (THeader there resolve |
(THeader ( ghost ) |
| |
['] prim-resolved over >comp ! |
| |
there resolve-noforwards |
| |
|
| [ 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) ; |
| |
|
| |
\ FIXME : no-compile -1 ABORT" this ghost is not for compilation" ; |
| |
|
| : Code: |
: Code: |
| defempty? |
defempty? |
| Ghost dup there ca>native resolve <do:> swap >magic ! |
Ghost >r |
| |
r@ >ghostname there symentry |
| |
r@ there ca>native resolve-noforwards |
| |
<do:> r@ >magic ! |
| |
r> drop |
| depth (code) ; |
depth (code) ; |
| |
|
| : end-code |
: end-code |
| : Char ( "<char>" -- ) bl word char+ c@ ; |
: Char ( "<char>" -- ) bl word char+ c@ ; |
| Cond: [Char] ( "<char>" -- ) Char lit, ;Cond |
Cond: [Char] ( "<char>" -- ) Char lit, ;Cond |
| |
|
| |
: (x#) ( adr len base -- ) |
| |
base @ >r base ! 0 0 name >number 2drop drop r> base ! ; |
| |
|
| |
: d# $0a (x#) ; |
| |
: h# $010 (x#) ; |
| |
|
| |
Cond: d# $0a (x#) lit, ;Cond |
| |
Cond: h# $010 (x#) lit, ;Cond |
| |
|
| tchar 1 = [IF] |
tchar 1 = [IF] |
| Cond: chars ;Cond |
Cond: chars ;Cond |
| [THEN] |
[THEN] |
| |
|
| \ some special literals 27jan97jaw |
\ some special literals 27jan97jaw |
| |
|
| \ !! Known Bug: Special Literals and plug-ins work only correct |
|
| \ on 16 and 32 Bit Targets and 32 Bit Hosts! |
|
| |
|
| \ This section could be done with dlit, now. But first I need |
|
| \ some test code JAW |
|
| |
|
| Cond: MAXU |
Cond: MAXU |
| tcell 1 cells u> |
-1 s>d dlit, |
| IF compile lit tcell 0 ?DO FF T c, H LOOP |
|
| ELSE ffffffff lit, THEN |
|
| ;Cond |
;Cond |
| |
|
| |
tcell 2 = tcell 4 = or tcell 8 = or 0= |
| |
[IF] |
| |
.( Warning: MINI and MAXI may not work with this host) cr |
| |
[THEN] |
| |
|
| Cond: MINI |
Cond: MINI |
| tcell 1 cells u> |
tcell 2 = IF $8000 ELSE $80000000 THEN 0 |
| IF compile lit bigendian |
tcell 8 = IF swap THEN dlit, |
| IF 80 T c, H tcell 1 ?DO 0 T c, H LOOP |
|
| ELSE tcell 1 ?DO 0 T c, H LOOP 80 T c, H |
|
| THEN |
|
| ELSE tcell 2 = IF 8000 ELSE 80000000 THEN lit, THEN |
|
| ;Cond |
;Cond |
| |
|
| Cond: MAXI |
Cond: MAXI |
| tcell 1 cells u> |
tcell 2 = IF $7fff ELSE $7fffffff THEN 0 |
| IF compile lit bigendian |
tcell 8 = IF drop -1 swap THEN dlit, |
| IF 7F T c, H tcell 1 ?DO FF T c, H LOOP |
|
| ELSE tcell 1 ?DO FF T c, H LOOP 7F T c, H |
|
| THEN |
|
| ELSE tcell 2 = IF 7fff ELSE 7fffffff THEN lit, THEN |
|
| ;Cond |
;Cond |
| |
|
| >CROSS |
>CROSS |
| (THeader (:) ; |
(THeader (:) ; |
| |
|
| : :noname ( -- colon-sys ) |
: :noname ( -- colon-sys ) |
| X cfalign there |
switchrom X cfalign there |
| \ define a nameless ghost |
\ define a nameless ghost |
| here ghostheader dup last-header-ghost ! dup to lastghost |
here ghostheader dup last-header-ghost ! dup to lastghost |
| (:) ; |
(:) ; |
| : !does ( does-action -- ) |
: !does ( does-action -- ) |
| tlastcfa @ [G'] :dovar killref |
tlastcfa @ [G'] :dovar killref |
| >space here >r ghostheader space> |
>space here >r ghostheader space> |
| |
['] 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> ; |
| |
|
| Defer instant-interpret-does>-hook |
Defer instant-interpret-does>-hook ' noop IS instant-interpret-does>-hook |
| |
|
| |
T has? primcentric H [IF] |
| : does-resolved ( ghost -- ) |
: does-resolved ( ghost -- ) |
| compile does-exec g>xt T a, H ; |
compile does-exec g>xt T a, H ; |
| \ dup g>body alit, >do:ghost @ g>xt 0 t>body - colon, ; |
[ELSE] |
| |
: does-resolved ( ghost -- ) |
| |
g>xt T a, H ; |
| |
[THEN] |
| |
|
| : resolve-does>-part ( -- ) |
: resolve-does>-part ( -- ) |
| \ resolve words made by builders |
\ resolve words made by builders |
| |
|
| >TARGET |
>TARGET |
| Cond: DOES> |
Cond: DOES> |
| compile (does>) doeshandler, |
T here H [ T has? primcentric H [IF] ] 5 [ [ELSE] ] 4 [ [THEN] ] T cells |
| resolve-does>-part |
H + alit, compile (does>2) compile ;s |
| |
doeshandler, resolve-does>-part |
| ;Cond |
;Cond |
| |
|
| : DOES> |
: DOES> |
| |
|
| \ User variables 04may94py |
\ User variables 04may94py |
| |
|
| Variable tup 0 tup ! |
: tup@ user-region >rstart @ ; |
| Variable tudp 0 tudp ! |
|
| |
\ Variable tup 0 tup ! |
| |
\ Variable tudp 0 tudp ! |
| |
|
| : 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@ - |
| |
r> activate ; |
| |
|
| : 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@ - |
| |
r> activate ; |
| |
|
| |
T has? no-userspace H [IF] |
| |
|
| |
: buildby |
| |
ghost >exec @ built >exec ! ; |
| |
|
| |
Builder User |
| |
buildby Variable |
| |
by Variable |
| |
|
| |
Builder 2User |
| |
buildby 2Variable |
| |
by 2Variable |
| |
|
| |
Builder AUser |
| |
buildby AVariable |
| |
by AVariable |
| |
|
| |
[ELSE] |
| |
|
| Builder User |
Builder User |
| Build: 0 u, X , ;Build |
Build: 0 u, X , ;Build |
| Build: 0 au, X , ;Build |
Build: 0 au, X , ;Build |
| by User |
by User |
| |
|
| |
[THEN] |
| |
|
| |
T has? rom H [IF] |
| Builder (Value) |
Builder (Value) |
| Build: ( n -- ) ;Build |
Build: ( n -- ) ;Build |
| by: :docon ( target-body-addr -- n ) T @ H ;DO |
by: :dovalue ( target-body-addr -- n ) T @ @ H ;DO |
| |
|
| |
Builder Value |
| |
Build: T here 0 A, H switchram T align here swap ! , H ;Build |
| |
by (Value) |
| |
|
| |
Builder AValue |
| |
Build: T here 0 A, H switchram T align here swap ! A, H ;Build |
| |
by (Value) |
| |
[ELSE] |
| |
Builder (Value) |
| |
Build: ( n -- ) ;Build |
| |
by: :dovalue ( target-body-addr -- n ) T @ H ;DO |
| |
|
| Builder Value |
Builder Value |
| BuildSmart: T , H ;Build |
BuildSmart: T , H ;Build |
| Builder AValue |
Builder AValue |
| BuildSmart: T A, H ;Build |
BuildSmart: T A, H ;Build |
| by (Value) |
by (Value) |
| |
[THEN] |
| |
|
| Defer texecute |
Defer texecute |
| |
|
| Builder Defer |
Builder Defer |
| |
T has? rom H [IF] |
| |
Build: ( -- ) T here 0 A, H switchram T align here swap ! H [T'] noop T A, H ( switchrom ) ;Build |
| |
by: :dodefer ( ghost -- ) X @ X @ texecute ;DO |
| |
[ELSE] |
| BuildSmart: ( -- ) [T'] noop T A, H ;Build |
BuildSmart: ( -- ) [T'] noop T A, H ;Build |
| by: :dodefer ( ghost -- ) X @ texecute ;DO |
by: :dodefer ( ghost -- ) X @ texecute ;DO |
| |
[THEN] |
| |
|
| Builder interpret/compile: |
Builder interpret/compile: |
| Build: ( inter comp -- ) swap T A, A, H ;Build-immediate |
Build: ( inter comp -- ) swap T A, A, H ;Build-immediate |
| \ 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 |
| \ optimizer for cross |
\ optimizer for cross |
| |
|
| |
|
| T has? peephole H [IF] |
T has? primcentric H [IF] |
| |
|
| |
\ .( loading peephole optimization) cr |
| |
|
| >CROSS |
>CROSS |
| |
|
| : (callc) compile call T >body a, H ; ' (callc) plugin-of colon, |
: (callc) compile call T >body a, H ; ' (callc) plugin-of colon, |
| |
: (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, |
| |
|
| \ if we want this, we have to spilt aconstant |
\ if we want this, we have to spilt aconstant |
| \ and constant!! |
\ and constant!! |
| |
|
| : >mark ( -- sys ) T here ( dup ." M" hex. ) 0 , H ; |
: >mark ( -- sys ) T here ( dup ." M" hex. ) 0 , H ; |
| |
|
| |
X has? abranch [IF] |
| |
: branchoffset ( src dest -- ) drop ; |
| |
: offset, ( n -- ) X A, ; |
| |
[ELSE] |
| : branchoffset ( src dest -- ) - tchar / ; \ ?? jaw |
: branchoffset ( src dest -- ) - tchar / ; \ ?? jaw |
| |
: offset, ( n -- ) X , ; |
| |
[THEN] |
| |
|
| : >resolve ( sys -- ) |
:noname compile branch X here branchoffset offset, ; |
| X here ( dup ." >" hex. ) over branchoffset swap X ! ; |
|
| |
|
| : <resolve ( sys -- ) |
|
| X here ( dup ." <" hex. ) branchoffset X , ; |
|
| |
|
| :noname compile branch X here branchoffset X , ; |
|
| 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 -- ) |
| |
|
| Variable tleavings 0 tleavings ! |
Variable tleavings 0 tleavings ! |
| |
|
| : (done) ( addr -- ) |
: (done) ( do-addr -- ) |
| |
\G resolve branches of leave and ?leave and ?do |
| |
\G do-addr is the address of the beginning of our |
| |
\G loop so we can take care of nested loops |
| tleavings @ |
tleavings @ |
| BEGIN dup |
BEGIN dup |
| WHILE |
WHILE |
| 0 DO dup @ swap 1 cells - LOOP |
0 DO dup @ swap 1 cells - LOOP |
| free throw ; |
free throw ; |
| |
|
| : loop] branchto, dup <resolve tcell - (done) ; |
: loop] ( target-addr -- ) |
| |
branchto, |
| |
dup X here branchoffset offset, |
| |
tcell - (done) ; |
| |
|
| : skiploop] ?dup IF branchto, branchtoresolve, THEN ; |
: skiploop] ?dup IF branchto, branchtoresolve, THEN ; |
| |
|
| |
|
| : ," [char] " parse ht-string, X align ; |
: ," [char] " parse ht-string, X align ; |
| |
|
| |
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 |
| |
Cond: S" '" parse tuck 2>r ahead, there 2r> ht-mem, X align |
| |
>r then, r> compile ALiteral compile Literal ;Cond |
| |
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 |
| |
>r then, r> compile ALiteral compile c(abort") then, ;Cond |
| |
[THEN] |
| |
|
| |
X has? rom [IF] |
| |
Cond: IS T ' >body @ H compile ALiteral compile ! ;Cond |
| |
: IS T >address ' >body @ ! H ; |
| |
Cond: TO T ' >body @ H compile ALiteral compile ! ;Cond |
| |
: TO T ' >body @ ! H ; |
| |
Cond: CTO T ' >body H compile ALiteral compile ! ;Cond |
| |
: CTO T ' >body ! H ; |
| |
[ELSE] |
| Cond: IS T ' >body H compile ALiteral compile ! ;Cond |
Cond: IS T ' >body H compile ALiteral compile ! ;Cond |
| : IS T >address ' >body ! H ; |
: IS T >address ' >body ! H ; |
| Cond: TO T ' >body H compile ALiteral compile ! ;Cond |
Cond: TO T ' >body H compile ALiteral compile ! ;Cond |
| : TO T ' >body ! H ; |
: TO T ' >body ! H ; |
| |
[THEN] |
| |
|
| Cond: defers T ' >body @ compile, H ;Cond |
Cond: defers T ' >body @ compile, H ;Cond |
| |
|
| 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 |
| 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 |
| 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 ; |
| dup @ dup IF addr-refs @ THEN |
dup @ dup IF addr-refs @ THEN |
| swap >r |
swap >r |
| over align+ tuck tcell swap - rshift swap 0 |
over align+ tuck tcell swap - rshift swap 0 |
| DO dup 1 and |
?DO dup 1 and |
| IF drop rdrop snl-calc UNLOOP EXIT THEN |
IF drop rdrop snl-calc UNLOOP EXIT THEN |
| 2/ swap 1+ swap |
2/ swap 1+ swap |
| LOOP |
LOOP |
| 1 BEGIN |
1 BEGIN |
| BEGIN bl word count dup WHILE |
BEGIN bl word count dup WHILE |
| comment? 20 umin parsed place upcase parsed count |
comment? 20 umin parsed place upcase parsed count |
| 2dup s" [IF]" compare 0= >r |
2dup s" [IF]" str= >r |
| 2dup s" [IFUNDEF]" compare 0= >r |
2dup s" [IFUNDEF]" str= >r |
| 2dup s" [IFDEF]" compare 0= r> or r> or |
2dup s" [IFDEF]" str= r> or r> or |
| IF 2drop 1+ |
IF 2drop 1+ |
| ELSE 2dup s" [ELSE]" compare 0= |
ELSE 2dup s" [ELSE]" str= |
| IF 2drop 1- dup |
IF 2drop 1- dup |
| IF 1+ |
IF 1+ |
| THEN |
THEN |
| ELSE |
ELSE |
| 2dup s" [ENDIF]" compare 0= >r |
2dup s" [ENDIF]" str= >r |
| s" [THEN]" compare 0= r> or |
s" [THEN]" str= r> or |
| IF 1- THEN |
IF 1- THEN |
| THEN |
THEN |
| THEN |
THEN |
| IF >in ! X : |
IF >in ! X : |
| ELSE drop |
ELSE drop |
| BEGIN bl word dup c@ |
BEGIN bl word dup c@ |
| IF count comment? s" ;" compare 0= ?EXIT |
IF count comment? s" ;" str= ?EXIT |
| ELSE refill 0= ABORT" CROSS: Out of Input while C:" |
ELSE refill 0= ABORT" CROSS: Out of Input while C:" |
| THEN |
THEN |
| AGAIN |
AGAIN |
| |
|
| : d? d? ; |
: d? d? ; |
| |
|
| |
: \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 ; |
| |
|
| |
: \- ( -- "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 ; |
| |
|
| |
: \+ ( -- "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 ; |
| |
|
| |
: \? ( -- "envorinstring" ) |
| |
\G Skip line if environmental variable evaluates to false |
| |
X has? 0= IF postpone \ THEN ; |
| |
|
| Cond: \- \- ;Cond |
Cond: \- \- ;Cond |
| Cond: \+ \+ ;Cond |
Cond: \+ \+ ;Cond |
| Cond: \D \D ;Cond |
Cond: \D \D ;Cond |
| |
Cond: \? \? ;Cond |
| |
|
| : ?? bl word find IF execute ELSE drop 0 THEN ; |
: ?? bl word find IF execute ELSE drop 0 THEN ; |
| |
|
| : * * ; |
: * * ; |
| : / / ; |
: / / ; |
| : 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 ; |
| |
: linkstring ( addr u n addr -- ) |
| |
X here over X @ X , swap X ! X , ht-string, X align ; |
| \ : . . ; |
\ : . . ; |
| |
|
| : all-words ['] forced? IS skip? ; |
: all-words ['] forced? IS skip? ; |
| : 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 ; |
| |
|
| : doc-on true to-doc ! ; |
: doc-on true to-doc ! ; |
| |
|
| : declareunique ( "name" -- ) |
: declareunique ( "name" -- ) |
| \G Sets the unique flag for a ghost. The assembler output |
\ Sets the unique flag for a ghost. The assembler output |
| \G generates labels with the ghostname concatenated with the address |
\ generates labels with the ghostname concatenated with the address |
| \G while cross-compiling. The address is concatenated |
\ while cross-compiling. The address is concatenated |
| \G because we have double occurences of the same name. |
\ because we have double occurences of the same name. |
| \G If we want to reference the labels from the assembler or C |
\ If we want to reference the labels from the assembler or C |
| \G code we declare them unique, so the address is skipped. |
\ code we declare them unique, so the address is skipped. |
| Ghost >ghost-flags dup @ <unique> or swap ! ; |
Ghost >ghost-flags dup @ <unique> or swap ! ; |
| |
|
| \ [IFDEF] dbg : dbg dbg ; [THEN] |
\ [IFDEF] dbg : dbg dbg ; [THEN] |
| \ : words also ghosts |
\ : words also ghosts |
| \ words previous ; |
\ words previous ; |
| : .s .s ; |
: .s .s ; |
| |
: depth depth ; |
| : bye bye ; |
: bye bye ; |
| |
|
| \ dummy |
\ dummy |
| : group 0 word drop ; |
|
| |
|
| \ turnkey direction |
\ turnkey direction |
| : H forth ; immediate |
: H forth ; immediate |
