version 1.51, 1997/07/31 16:17:07
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version 1.61, 1998/12/22 13:41:18
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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 Free Software Foundation, Inc. |
\ Copyright (C) 1995,1996,1997,1998 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 40
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\ needed? works better now!!! 01mar97jaw |
\ needed? works better now!!! 01mar97jaw |
\ mach file is only loaded into target |
\ mach file is only loaded into target |
\ cell corrected |
\ cell corrected |
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\ romable extansions 27apr97-5jun97jaw |
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\ environmental query support 01sep97jaw |
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\ added own [IF] ... [ELSE] ... [THEN] 14sep97jaw |
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\ extra resolver for doers 20sep97jaw |
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\ added killref for DOES> 20sep97jaw |
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\ include other.fs \ ansforth extentions for cross |
hex \ the defualt base for the cross-compiler is hex !! |
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Warnings off |
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\ words that are generaly useful |
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: KB 400 * ; |
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: >wordlist ( vocabulary-xt -- wordlist-struct ) |
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also execute get-order swap >r 1- set-order r> ; |
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: umax 2dup u< IF swap THEN drop ; |
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: umin 2dup u> IF swap THEN drop ; |
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: string, ( c-addr u -- ) |
: string, ( c-addr u -- ) |
\ puts down string as cstring |
\ puts down string as cstring |
dup c, here swap chars dup allot move ; |
dup c, here swap chars dup allot move ; |
' falign Alias cfalign |
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: comment? ( c-addr u -- c-addr u ) |
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2dup s" (" compare 0= |
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IF postpone ( |
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ELSE 2dup s" \" compare 0= IF postpone \ THEN |
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THEN ; |
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decimal |
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\ Begin CROSS COMPILER: |
: SetValue ( n -- <name> ) |
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\G Same behaviour as "Value" if the <name> is not defined |
\ GhostNames 9may93jaw |
\G Same behaviour as "to" if <name> is defined |
\ second name source to search trough list |
\G SetValue searches in the current vocabulary |
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save-input bl word >r restore-input throw r> count |
VARIABLE GhostNames |
get-current search-wordlist |
0 GhostNames ! |
IF ['] to execute ELSE Value THEN ; |
: GhostName ( -- addr ) |
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here GhostNames @ , GhostNames ! here 0 , |
: DefaultValue ( n -- <name> ) |
bl word count |
\G Same behaviour as "Value" if the <name> is not defined |
\ 2dup type space |
\G DefaultValue searches in the current vocabulary |
string, cfalign ; |
save-input bl word >r restore-input throw r> count |
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get-current search-wordlist |
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IF bl word drop 2drop ELSE Value THEN ; |
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hex |
hex |
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Vocabulary Cross |
Vocabulary Cross |
Vocabulary Target |
Vocabulary Target |
Vocabulary Ghosts |
Vocabulary Ghosts |
Line 96 H
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Line 104 H
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>CROSS |
>CROSS |
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\ Parameter for target systems 06oct92py |
\ 1 Constant Cross-Flag \ to check whether assembler compiler plug-ins are |
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\ for cross-compiling |
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\ No! we use "[IFUNDEF]" there to find out whether we are target compiling!!! |
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>TARGET |
: comment? ( c-addr u -- c-addr u ) |
mach-file count included |
2dup s" (" compare 0= |
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IF postpone ( |
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ELSE 2dup s" \" compare 0= IF postpone \ THEN |
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THEN ; |
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[IFUNDEF] has-interpreter true CONSTANT has-interpreter [THEN] |
\ Begin CROSS COMPILER: |
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also Forth definitions |
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[IFDEF] asm-include asm-include [THEN] |
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previous |
\ \ -------------------- Error Handling 05aug97jaw |
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\ Flags |
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also forth definitions \ these values may be predefined before |
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\ the cross-compiler is loaded |
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false DefaultValue stack-warn \ check on empty stack at any definition |
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false DefaultValue create-forward-warn \ warn on forward declaration of created words |
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[IFUNDEF] DebugMaskSrouce Variable DebugMaskSource 0 DebugMaskSource ! [THEN] |
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[IFUNDEF] DebugMaskCross Variable DebugMaskCross 0 DebugMaskCross ! [THEN] |
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previous >CROSS |
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: .dec |
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base @ decimal swap . base ! ; |
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: .sourcepos |
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cr sourcefilename type ." :" |
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sourceline# .dec ; |
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: warnhead |
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\G display error-message head |
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\G perhaps with linenumber and filename |
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.sourcepos ." Warning: " ; |
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: empty? depth IF .sourcepos ." Stack not empty!" THEN ; |
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stack-warn [IF] |
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: defempty? empty? ; |
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[ELSE] |
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: defempty? ; immediate |
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[THEN] |
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\ \ GhostNames Ghosts 9may93jaw |
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\ second name source to search trough list |
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VARIABLE GhostNames |
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0 GhostNames ! |
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: GhostName ( -- addr ) |
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here GhostNames @ , GhostNames ! here 0 , |
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bl word count |
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\ 2dup type space |
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string, \ !! cfalign ? |
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align ; |
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\ Ghost Builder 06oct92py |
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\ <T T> new version with temp variable 10may93jaw |
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VARIABLE VocTemp |
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: <T get-current VocTemp ! also Ghosts definitions ; |
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: T> previous VocTemp @ set-current ; |
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hex |
hex |
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4711 Constant <fwd> 4712 Constant <res> |
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4713 Constant <imm> 4714 Constant <do:> |
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\ iForth makes only immediate directly after create |
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\ make atonce trick! ? |
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Variable atonce atonce off |
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: NoExec true ABORT" CROSS: Don't execute ghost" ; |
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: GhostHeader <fwd> , 0 , ['] NoExec , ; |
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: >magic ; \ type of ghost |
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: >link cell+ ; \ pointer where ghost is in target, or if unresolved |
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\ points to the where we have to resolve (linked-list) |
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: >exec cell+ cell+ ; \ execution symantics (while target compiling) of ghost |
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: >end 3 cells + ; \ room for additional tags |
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\ for builder (create, variable...) words the |
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\ execution symantics of words built are placed here |
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Variable executed-ghost \ last executed ghost, needed in tcreate and gdoes> |
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Variable last-ghost \ last ghost that is created |
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Variable last-header-ghost \ last ghost definitions with header |
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: Make-Ghost ( "name" -- ghost ) |
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>in @ GhostName swap >in ! |
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<T Create atonce @ IF immediate atonce off THEN |
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here tuck swap ! ghostheader T> |
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dup last-ghost ! |
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DOES> dup executed-ghost ! >exec @ execute ; |
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\ ghost words 14oct92py |
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\ changed: 10may93py/jaw |
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: gfind ( string -- ghost true/1 / string false ) |
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\ searches for string in word-list ghosts |
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dup count [ ' ghosts >wordlist ] ALiteral search-wordlist |
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dup IF >r >body nip r> THEN ; |
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: gdiscover ( xt -- ghost true | xt false ) |
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GhostNames |
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BEGIN @ dup |
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WHILE 2dup |
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cell+ @ dup >magic @ <fwd> <> |
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>r >link @ = r> and |
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IF cell+ @ nip true EXIT THEN |
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REPEAT |
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drop false ; |
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VARIABLE Already |
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: ghost ( "name" -- ghost ) |
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Already off |
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>in @ bl word gfind IF Already on nip EXIT THEN |
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drop >in ! Make-Ghost ; |
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: >ghostname ( ghost -- adr len ) |
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GhostNames |
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BEGIN @ dup |
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WHILE 2dup cell+ @ = |
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UNTIL nip 2 cells + count |
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ELSE 2drop |
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\ true abort" CROSS: Ghostnames inconsistent" |
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s" ?!?!?!" |
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THEN ; |
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' >ghostname ALIAS @name |
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: forward? ( ghost -- flag ) |
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>magic @ <fwd> = ; |
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\ Predefined ghosts 12dec92py |
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ghost 0= drop |
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ghost branch ghost ?branch 2drop |
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ghost (do) ghost (?do) 2drop |
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ghost (for) drop |
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ghost (loop) ghost (+loop) 2drop |
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ghost (next) drop |
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ghost unloop ghost ;S 2drop |
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ghost lit ghost (compile) ghost ! 2drop drop |
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ghost (does>) ghost noop 2drop |
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ghost (.") ghost (S") ghost (ABORT") 2drop drop |
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ghost ' drop |
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ghost :docol ghost :doesjump ghost :dodoes 2drop drop |
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ghost :dovar drop |
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ghost over ghost = ghost drop 2drop drop |
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ghost - drop |
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ghost 2drop drop |
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ghost 2dup drop |
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\ \ Parameter for target systems 06oct92py |
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\ we define it ans like... |
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wordlist Constant target-environment |
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VARIABLE env-current \ save information of current dictionary to restore with environ> |
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: >ENVIRON get-current env-current ! target-environment set-current ; |
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: ENVIRON> env-current @ set-current ; |
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>TARGET |
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: environment? |
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target-environment search-wordlist |
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IF execute true ELSE false THEN ; |
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: e? name T environment? H 0= ABORT" environment variable not defined!" ; |
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: has? name T environment? H |
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IF \ environment variable is present, return its value |
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ELSE \ environment variable is not present, return false |
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\ !! JAW abort is just for testing |
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false true ABORT" arg" |
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THEN ; |
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: $has? T environment? H IF ELSE false THEN ; |
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>ENVIRON get-order get-current swap 1+ set-order |
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true SetValue compiler |
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true SetValue cross |
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true SetValue standard-threading |
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>TARGET previous |
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mach-file count included hex |
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>ENVIRON |
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T has? ec H |
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[IF] |
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false DefaultValue relocate |
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false DefaultValue file |
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false DefaultValue OS |
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false DefaultValue prims |
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false DefaultValue floating |
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false DefaultValue glocals |
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false DefaultValue dcomps |
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false DefaultValue hash |
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false DefaultValue xconds |
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false DefaultValue header |
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[THEN] |
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true DefaultValue interpreter |
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true DefaultValue ITC |
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false DefaultValue rom |
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>TARGET |
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s" relocate" T environment? H |
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[IF] SetValue NIL |
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[ELSE] >ENVIRON T NIL H SetValue relocate |
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[THEN] |
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>CROSS |
>CROSS |
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\ Create additional parameters 19jan95py |
\ \ Create additional parameters 19jan95py |
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1 8 lshift Constant maxbyte |
T |
T |
NIL Constant TNIL |
NIL Constant TNIL |
cell Constant tcell |
cell Constant tcell |
cell<< Constant tcell<< |
cell<< Constant tcell<< |
cell>bit Constant tcell>bit |
cell>bit Constant tcell>bit |
bits/byte Constant tbits/byte |
bits/byte Constant tbits/byte |
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bits/byte 8 / Constant tchar |
float Constant tfloat |
float Constant tfloat |
1 bits/byte lshift Constant maxbyte |
1 bits/byte lshift Constant tmaxbyte |
H |
H |
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\ Variables 06oct92py |
\ Variables 06oct92py |
Line 131 Variable tlast TNIL tlast ! \ Last n
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Line 355 Variable tlast TNIL tlast ! \ Last n
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Variable tlastcfa \ Last code field |
Variable tlastcfa \ Last code field |
Variable tdoes \ Resolve does> calls |
Variable tdoes \ Resolve does> calls |
Variable bit$ |
Variable bit$ |
Variable tdp |
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: there tdp @ ; |
\ statistics 10jun97jaw |
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Variable headers-named 0 headers-named ! |
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Variable user-vars 0 user-vars ! |
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\ Memory initialisation 05dec92py |
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[IFDEF] Memory \ Memory is a bigFORTH feature |
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also Memory |
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: initmem ( var len -- ) |
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2dup swap handle! >r @ r> erase ; |
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toss |
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[ELSE] |
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: initmem ( var len -- ) |
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tuck allocate abort" CROSS: No memory for target" |
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( len var adr ) dup rot ! |
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( len adr ) swap erase ; |
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[THEN] |
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\ MakeKernal 12dec92py |
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: makekernel ( targetsize -- targetsize ) |
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bit$ over 1- tcell>bit rshift 1+ initmem |
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image over initmem ; |
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>MINIMAL |
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: makekernel makekernel ; |
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>CROSS |
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\ \ memregion.fs |
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Variable last-defined-region \ pointer to last defined region |
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Variable region-link \ linked list with all regions |
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Variable mirrored-link \ linked list for mirrored regions |
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0 dup mirrored-link ! region-link ! |
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: >rdp 2 cells + ; |
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: >rlen cell+ ; |
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: >rstart ; |
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: region ( addr len -- ) \G create a new region |
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\ check whether predefined region exists |
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save-input bl word find >r >r restore-input throw r> r> 0= |
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IF \ make region |
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drop |
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save-input create restore-input throw |
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here last-defined-region ! |
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over ( startaddr ) , ( length ) , ( dp ) , |
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region-link linked name string, |
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ELSE \ store new parameters in region |
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bl word drop |
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>body >r r@ last-defined-region ! |
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r@ cell+ ! dup r@ ! r> 2 cells + ! |
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THEN ; |
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: borders ( region -- startaddr endaddr ) \G returns lower and upper region border |
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dup @ swap cell+ @ over + ; |
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: extent ( region -- startaddr len ) \G returns the really used area |
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dup @ swap 2 cells + @ over - ; |
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: area ( region -- startaddr totallen ) \G returns the total area |
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dup @ swap cell+ @ ; |
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: mirrored \G mark a region as mirrored |
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mirrored-link |
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linked last-defined-region @ , ; |
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: .addr |
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base @ >r hex |
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tcell 2 u> |
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IF s>d <# # # # # '. hold # # # # #> type |
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ELSE s>d <# # # # # # #> type |
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THEN r> base ! ; |
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: .regions \G display region statistic |
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\ we want to list the regions in the right order |
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\ so first collect all regions on stack |
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0 region-link @ |
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BEGIN dup WHILE dup @ REPEAT drop |
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BEGIN dup |
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WHILE cr 3 cells - >r |
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r@ 4 cells + count tuck type |
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12 swap - 0 max spaces space |
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." Start: " r@ @ dup .addr space |
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." End: " r@ 1 cells + @ + .addr space |
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." DP: " r> 2 cells + @ .addr |
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REPEAT drop |
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s" rom" T $has? H 0= ?EXIT |
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cr ." Mirrored:" |
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mirrored-link @ |
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BEGIN dup |
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WHILE space dup cell+ @ 4 cells + count type @ |
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REPEAT drop cr |
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; |
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\ -------- predefined regions |
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0 0 region address-space |
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\ total memory addressed and used by the target system |
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0 0 region dictionary |
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\ rom area for the compiler |
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T has? rom H |
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[IF] |
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0 0 region ram-dictionary mirrored |
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\ ram area for the compiler |
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[ELSE] |
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' dictionary ALIAS ram-dictionary |
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[THEN] |
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0 0 region return-stack |
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0 0 region data-stack |
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0 0 region tib-region |
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' dictionary ALIAS rom-dictionary |
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: setup-target ( -- ) \G initialize targets memory space |
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s" rom" T $has? H |
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IF \ check for ram and rom... |
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address-space area nip |
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ram-dictionary area nip |
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rom-dictionary area nip |
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and and 0= |
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ABORT" CROSS: define address-space, rom- , ram-dictionary, with rom-support!" |
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THEN |
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address-space area nip |
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IF |
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address-space area |
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ELSE |
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dictionary area |
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THEN |
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dup 0= |
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ABORT" CROSS: define at least address-space or dictionary!!" |
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+ makekernel drop ; |
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\ \ switched tdp for rom support 03jun97jaw |
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\ second value is here to store some maximal value for statistics |
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\ tempdp is also embedded here but has nothing to do with rom support |
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\ (needs switched dp) |
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variable tempdp 0 , \ temporary dp for resolving |
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variable tempdp-save |
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0 [IF] |
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variable romdp 0 , \ Dictionary-Pointer for ramarea |
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variable ramdp 0 , \ Dictionary-Pointer for romarea |
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\ |
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variable sramdp \ start of ram-area for forth |
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variable sromdp \ start of rom-area for forth |
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[THEN] |
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0 value tdp |
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variable fixed \ flag: true: no automatic switching |
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\ false: switching is done automatically |
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\ Switch-Policy: |
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\ |
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\ a header is always compiled into rom |
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\ after a created word (create and variable) compilation goes to ram |
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\ |
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\ Be careful: If you want to make the data behind create into rom |
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\ you have to put >rom before create! |
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variable constflag constflag off |
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: (switchram) |
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fixed @ ?EXIT s" rom" T $has? H 0= ?EXIT |
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ram-dictionary >rdp to tdp ; |
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: switchram |
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constflag @ |
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IF constflag off ELSE (switchram) THEN ; |
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: switchrom |
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fixed @ ?EXIT rom-dictionary >rdp to tdp ; |
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: >tempdp ( addr -- ) |
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tdp tempdp-save ! tempdp to tdp tdp ! ; |
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: tempdp> ( -- ) |
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tempdp-save @ to tdp ; |
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: >ram fixed off (switchram) fixed on ; |
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: >rom fixed off switchrom fixed on ; |
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: >auto fixed off switchrom ; |
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\ : romstart dup sromdp ! romdp ! ; |
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\ : ramstart dup sramdp ! ramdp ! ; |
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\ default compilation goed to rom |
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\ when romable support is off, only the rom switch is used (!!) |
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>auto |
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: there tdp @ ; |
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>TARGET |
>TARGET |
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\ \ Target Memory Handling |
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\ Byte ordering and cell size 06oct92py |
\ Byte ordering and cell size 06oct92py |
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: cell+ tcell + ; |
: cell+ tcell + ; |
Line 149 Variable tdp
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Line 583 Variable tdp
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: cell/ tcell<< rshift ; |
: cell/ tcell<< rshift ; |
>TARGET |
>TARGET |
20 CONSTANT bl |
20 CONSTANT bl |
TNIL Constant NIL |
\ TNIL Constant NIL |
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>CROSS |
>CROSS |
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bigendian |
bigendian |
[IF] |
[IF] |
: T! ( n addr -- ) >r s>d r> tcell bounds swap 1- |
: S! ( n addr -- ) >r s>d r> tcell bounds swap 1- |
DO maxbyte ud/mod rot I c! -1 +LOOP 2drop ; |
DO maxbyte ud/mod rot I c! -1 +LOOP 2drop ; |
: T@ ( addr -- n ) >r 0 0 r> tcell bounds |
: S@ ( addr -- n ) >r 0 0 r> tcell bounds |
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DO maxbyte * swap maxbyte um* rot + swap I c@ + swap LOOP d>s ; |
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: Sc! ( n addr -- ) >r s>d r> tchar bounds swap 1- |
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DO maxbyte ud/mod rot I c! -1 +LOOP 2drop ; |
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: Sc@ ( addr -- n ) >r 0 0 r> tchar bounds |
DO maxbyte * swap maxbyte um* rot + swap I c@ + swap LOOP d>s ; |
DO maxbyte * swap maxbyte um* rot + swap I c@ + swap LOOP d>s ; |
[ELSE] |
[ELSE] |
: T! ( n addr -- ) >r s>d r> tcell bounds |
: S! ( n addr -- ) >r s>d r> tcell bounds |
DO maxbyte ud/mod rot I c! LOOP 2drop ; |
DO maxbyte ud/mod rot I c! LOOP 2drop ; |
: T@ ( addr -- n ) >r 0 0 r> tcell bounds swap 1- |
: S@ ( addr -- n ) >r 0 0 r> tcell bounds swap 1- |
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DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP d>s ; |
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: Sc! ( n addr -- ) >r s>d r> tchar bounds |
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DO maxbyte ud/mod rot I c! LOOP 2drop ; |
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: Sc@ ( addr -- n ) >r 0 0 r> tchar bounds swap 1- |
DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP d>s ; |
DO maxbyte * swap maxbyte um* rot + swap I c@ + swap -1 +LOOP d>s ; |
[THEN] |
[THEN] |
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\ Memory initialisation 05dec92py |
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\ Fixed bug in else part 11may93jaw |
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[IFDEF] Memory \ Memory is a bigFORTH feature |
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also Memory |
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: initmem ( var len -- ) |
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2dup swap handle! >r @ r> erase ; |
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toss |
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[ELSE] |
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: initmem ( var len -- ) |
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tuck allocate abort" CROSS: No memory for target" |
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( len var adr ) dup rot ! |
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( len adr ) swap erase ; |
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[THEN] |
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\ MakeKernal 12dec92py |
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>MINIMAL |
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: makekernel ( targetsize -- targetsize ) |
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bit$ over 1- tcell>bit rshift 1+ initmem |
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image over initmem tdp off ; |
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>CROSS |
>CROSS |
\ Bit string manipulation 06oct92py |
\ Bit string manipulation 06oct92py |
\ 9may93jaw |
\ 9may93jaw |
Line 219 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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Line 639 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
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>CROSS |
>CROSS |
: >image ( taddr -- absaddr ) image @ + ; |
: >image ( taddr -- absaddr ) image @ + ; |
>TARGET |
>TARGET |
: @ ( taddr -- w ) >image t@ ; |
: @ ( taddr -- w ) >image S@ ; |
: ! ( w taddr -- ) >image t! ; |
: ! ( w taddr -- ) >image S! ; |
: c@ ( taddr -- char ) >image c@ ; |
: c@ ( taddr -- char ) >image Sc@ ; |
: c! ( char taddr -- ) >image c! ; |
: c! ( char taddr -- ) >image Sc! ; |
: 2@ ( taddr -- x1 x2 ) T dup cell+ @ swap @ H ; |
: 2@ ( taddr -- x1 x2 ) T dup cell+ @ swap @ H ; |
: 2! ( x1 x2 taddr -- ) T swap over ! cell+ ! H ; |
: 2! ( x1 x2 taddr -- ) T swap over ! cell+ ! H ; |
|
|
Line 231 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
|
Line 651 CREATE Bittable 80 c, 40 c, 20 c, 10 c,
|
|
|
: here ( -- there ) there ; |
: here ( -- there ) there ; |
: allot ( n -- ) tdp +! ; |
: allot ( n -- ) tdp +! ; |
: , ( w -- ) T here H tcell T allot ! H ; |
: , ( w -- ) T here H tcell T allot ! H T here drop H ; |
: c, ( char -- ) T here 1 allot c! H ; |
: c, ( char -- ) T here tchar allot c! H ; |
: align ( -- ) T here H align+ 0 ?DO bl T c, H LOOP ; |
: align ( -- ) T here H align+ 0 ?DO bl T c, H LOOP ; |
: cfalign ( -- ) |
: cfalign ( -- ) |
T here H cfalign+ 0 ?DO bl T c, H LOOP ; |
T here H cfalign+ 0 ?DO bl T c, tchar H +LOOP ; |
|
|
: A! dup relon T ! H ; |
: >address dup 0>= IF tchar / THEN ; |
: A, ( w -- ) T here H relon T , H ; |
: A! swap >address swap dup relon T ! H ; |
|
: A, ( w -- ) >address T here H relon T , H ; |
|
|
>CROSS |
>CROSS |
|
|
\ threading modell 13dec92py |
: tcmove ( source dest len -- ) |
|
\G cmove in target memory |
|
tchar * bounds |
|
?DO dup T c@ H I T c! H 1+ |
|
tchar +LOOP drop ; |
|
|
>TARGET |
>TARGET |
: >body ( cfa -- pfa ) T cell+ cell+ H ; |
H also Forth definitions \ ." asm: " order |
>CROSS |
|
|
|
\ Ghost Builder 06oct92py |
: X also target bl word find |
|
IF state @ IF compile, |
|
ELSE execute THEN |
|
ELSE previous ABORT" Cross: access method not supported!" |
|
THEN |
|
previous ; immediate |
|
|
\ <T T> new version with temp variable 10may93jaw |
[IFDEF] asm-include asm-include [THEN] hex |
|
|
VARIABLE VocTemp |
previous |
|
>CROSS H |
|
|
: <T get-current VocTemp ! also Ghosts definitions ; |
\ \ -------------------- Compiler Plug Ins 01aug97jaw |
: T> previous VocTemp @ set-current ; |
|
|
|
hex |
\ Compiler States |
4711 Constant <fwd> 4712 Constant <res> |
|
4713 Constant <imm> 4714 Constant <do:> |
|
|
|
\ iForth makes only immediate directly after create |
Variable comp-state |
\ make atonce trick! ? |
0 Constant interpreting |
|
1 Constant compiling |
|
2 Constant resolving |
|
3 Constant assembling |
|
|
|
Defer lit, ( n -- ) |
|
Defer alit, ( n -- ) |
|
|
|
Defer branch, ( target-addr -- ) \ compiles a branch |
|
Defer ?branch, ( target-addr -- ) \ compiles a ?branch |
|
Defer branchmark, ( -- branch-addr ) \ reserves room for a branch |
|
Defer ?branchmark, ( -- branch-addr ) \ reserves room for a ?branch |
|
Defer ?domark, ( -- branch-addr ) \ reserves room for a ?do branch |
|
Defer branchto, ( -- ) \ actual program position is target of a branch (do e.g. alignment) |
|
Defer branchtoresolve, ( branch-addr -- ) \ resolves a forward reference from branchmark |
|
Defer branchfrom, ( -- ) \ ?! |
|
Defer branchtomark, ( -- target-addr ) \ marks a branch destination |
|
|
|
Defer colon, ( tcfa -- ) \ compiles call to tcfa at current position |
|
Defer colonmark, ( -- addr ) \ marks a colon call |
|
Defer colon-resolve ( tcfa addr -- ) |
|
|
|
Defer addr-resolve ( target-addr addr -- ) |
|
Defer doer-resolve ( ghost res-pnt target-addr addr -- ghost res-pnt ) |
|
|
|
Defer do, ( -- do-token ) |
|
Defer ?do, ( -- ?do-token ) |
|
Defer for, ( -- for-token ) |
|
Defer loop, ( do-token / ?do-token -- ) |
|
Defer +loop, ( do-token / ?do-token -- ) |
|
Defer next, ( for-token ) |
|
|
Variable atonce atonce off |
[IFUNDEF] ca>native |
|
defer ca>native |
|
[THEN] |
|
|
: NoExec true ABORT" CROSS: Don't execute ghost" ; |
>TARGET |
|
DEFER >body \ we need the system >body |
|
\ and the target >body |
|
>CROSS |
|
T 2 cells H VALUE xt>body |
|
DEFER doprim, \ compiles start of a primitive |
|
DEFER docol, \ compiles start of a colon definition |
|
DEFER doer, |
|
DEFER fini, \ compiles end of definition ;s |
|
DEFER doeshandler, |
|
DEFER dodoes, |
|
|
|
DEFER ]comp \ starts compilation |
|
DEFER comp[ \ ends compilation |
|
|
|
: (cc) T a, H ; ' (cc) IS colon, |
|
|
|
: (cr) >tempdp ]comp colon, comp[ tempdp> ; ' (cr) IS colon-resolve |
|
: (ar) T ! H ; ' (ar) IS addr-resolve |
|
: (dr) ( ghost res-pnt target-addr addr ) |
|
>tempdp drop over |
|
dup >magic @ <do:> = |
|
IF doer, |
|
ELSE dodoes, |
|
THEN |
|
tempdp> ; ' (dr) IS doer-resolve |
|
|
|
: (cm) ( -- addr ) |
|
T here align H |
|
-1 colon, ; ' (cm) IS colonmark, |
|
|
: GhostHeader <fwd> , 0 , ['] NoExec , ; |
>TARGET |
|
: compile, colon, ; |
|
>CROSS |
|
|
: >magic ; |
\ file loading |
: >link cell+ ; |
|
: >exec cell+ cell+ ; |
|
: >end 3 cells + ; |
|
|
|
Variable last-ghost |
: >fl-id 1 cells + ; |
: Make-Ghost ( "name" -- ghost ) |
: >fl-name 2 cells + ; |
>in @ GhostName swap >in ! |
|
<T Create atonce @ IF immediate atonce off THEN |
|
here tuck swap ! ghostheader T> |
|
DOES> dup last-ghost ! >exec @ execute ; |
|
|
|
variable cfalist 0 cfalist ! |
Variable filelist 0 filelist ! |
|
0 Value filemem |
|
: loadfile filemem >fl-name ; |
|
|
|
1 [IF] \ !! JAW WIP |
|
|
|
: add-included-file ( adr len -- ) |
|
dup char+ >fl-name allocate throw >r |
|
r@ >fl-name place |
|
filelist @ r@ ! |
|
r> dup filelist ! to FileMem |
|
; |
|
|
|
: included? ( c-addr u -- f ) |
|
filelist |
|
BEGIN @ dup |
|
WHILE >r r@ 1 cells + count compare 0= |
|
IF rdrop 2drop true EXIT THEN |
|
r> |
|
REPEAT |
|
2drop drop false ; |
|
|
|
: included |
|
\ cr ." Including: " 2dup type ." ..." |
|
FileMem >r |
|
2dup add-included-file included |
|
r> to FileMem ; |
|
|
: markcfa |
: include bl word count included ; |
cfalist here over @ , swap ! , ; |
|
|
|
\ ghost words 14oct92py |
: require bl word count included ; |
\ changed: 10may93py/jaw |
|
|
|
: gfind ( string -- ghost true/1 / string false ) |
[THEN] |
\ searches for string in word-list ghosts |
|
dup count [ ' ghosts >body ] ALiteral search-wordlist |
|
dup IF >r >body nip r> THEN ; |
|
|
|
VARIABLE Already |
\ resolve structure |
|
|
: ghost ( "name" -- ghost ) |
: >next ; \ link to next field |
Already off |
: >tag cell+ ; \ indecates type of reference: 0: call, 1: address, 2: doer |
>in @ bl word gfind IF Already on nip EXIT THEN |
: >taddr cell+ cell+ ; |
drop >in ! Make-Ghost ; |
: >ghost 3 cells + ; |
|
: >file 4 cells + ; |
|
: >line 5 cells + ; |
|
|
|
: (refered) ( ghost addr tag -- ) |
|
\G creates a reference to ghost at address taddr |
|
rot >r here r@ >link @ , r> >link ! |
|
( taddr tag ) , |
|
( taddr ) , |
|
last-header-ghost @ , |
|
loadfile , |
|
sourceline# , |
|
; |
|
|
|
: refered ( ghost tag -- ) |
|
\G creates a resolve structure |
|
T here aligned H swap (refered) |
|
; |
|
|
|
: killref ( addr ghost -- ) |
|
\G kills a forward reference to ghost at position addr |
|
\G this is used to eleminate a :dovar refence after making a DOES> |
|
dup >magic @ <fwd> <> IF 2drop EXIT THEN |
|
swap >r >link |
|
BEGIN dup @ dup ( addr last this ) |
|
WHILE dup >taddr @ r@ = |
|
IF @ over ! |
|
ELSE nip THEN |
|
REPEAT rdrop 2drop |
|
; |
|
|
|
Defer resolve-warning |
|
|
|
: reswarn-test ( ghost res-struct -- ghost res-struct ) |
|
over cr ." Resolving " >ghostname type dup ." in " >ghost @ >ghostname type ; |
|
|
|
: reswarn-forward ( ghost res-struct -- ghost res-struct ) |
|
over warnhead >ghostname type dup ." is referenced in " |
|
>ghost @ >ghostname type ; |
|
|
|
\ ' reswarn-test IS resolve-warning |
|
|
\ resolve 14oct92py |
\ resolve 14oct92py |
|
|
: resolve-loop ( ghost tcfa -- ghost tcfa ) |
: resolve-loop ( ghost resolve-list tcfa -- ) |
>r dup >link @ |
>r |
BEGIN dup WHILE dup T @ H r@ rot T ! H REPEAT drop r> ; |
BEGIN dup WHILE |
|
\ dup >tag @ 2 = IF reswarn-forward THEN |
|
resolve-warning |
|
r@ over >taddr @ |
|
2 pick >tag @ |
|
CASE 0 OF colon-resolve ENDOF |
|
1 OF addr-resolve ENDOF |
|
2 OF doer-resolve ENDOF |
|
ENDCASE |
|
@ \ next list element |
|
REPEAT 2drop rdrop |
|
; |
|
|
|
\ : resolve-loop ( ghost tcfa -- ghost tcfa ) |
|
\ >r dup >link @ |
|
\ BEGIN dup WHILE dup T @ H r@ rot T ! H REPEAT drop r> ; |
|
|
\ exists 9may93jaw |
\ exists 9may93jaw |
|
|
|
Variable TWarnings |
|
TWarnings on |
|
Variable Exists-Warnings |
|
Exists-Warnings on |
|
|
: exists ( ghost tcfa -- ) |
: exists ( ghost tcfa -- ) |
over GhostNames |
over GhostNames |
BEGIN @ dup |
BEGIN @ dup |
WHILE 2dup cell+ @ = |
WHILE 2dup cell+ @ = |
UNTIL |
UNTIL |
2 cells + count cr ." CROSS: Exists: " type 4 spaces drop |
2 cells + count |
swap cell+ ! |
TWarnings @ Exists-Warnings @ and |
|
IF warnhead type ." exists" |
|
ELSE 2drop THEN |
|
drop swap >link ! |
ELSE true abort" CROSS: Ghostnames inconsistent " |
ELSE true abort" CROSS: Ghostnames inconsistent " |
THEN ; |
THEN ; |
|
|
: resolve ( ghost tcfa -- ) |
: resolve ( ghost tcfa -- ) |
over >magic @ <fwd> <> IF exists EXIT THEN |
\G resolve referencies to ghost with tcfa |
resolve-loop over >link ! <res> swap >magic ! ; |
\ is ghost resolved?, second resolve means another definition with the |
|
\ same name |
|
over forward? 0= IF exists EXIT THEN |
|
\ get linked-list |
|
swap >r r@ >link @ swap \ ( list tcfa R: ghost ) |
|
\ mark ghost as resolved |
|
dup r@ >link ! <res> r@ >magic ! |
|
\ loop through forward referencies |
|
r> -rot |
|
comp-state @ >r Resolving comp-state ! |
|
resolve-loop |
|
r> comp-state ! |
|
|
|
['] noop IS resolve-warning |
|
; |
|
|
\ gexecute ghost, 01nov92py |
\ gexecute ghost, 01nov92py |
|
|
: do-forward ( ghost -- ) |
: is-forward ( ghost -- ) |
>link dup @ there rot ! T A, H ; |
colonmark, 0 (refered) ; \ compile space for call |
: do-resolve ( ghost -- ) |
|
>link @ T A, H ; |
: is-resolved ( ghost -- ) |
|
>link @ colon, ; \ compile-call |
: gexecute ( ghost -- ) dup @ |
|
<fwd> = IF do-forward ELSE do-resolve THEN ; |
: gexecute ( ghost -- ) |
: ghost, ghost gexecute ; |
dup @ <fwd> = IF is-forward ELSE is-resolved THEN ; |
|
|
|
: addr, ( ghost -- ) |
|
dup @ <fwd> = IF 1 refered 0 T a, H ELSE >link @ T a, H THEN ; |
|
|
|
\ !! : ghost, ghost gexecute ; |
|
|
\ .unresolved 11may93jaw |
\ .unresolved 11may93jaw |
|
|
Line 341 variable ResolveFlag
|
Line 927 variable ResolveFlag
|
|
|
\ ?touched 11may93jaw |
\ ?touched 11may93jaw |
|
|
: ?touched ( ghost -- flag ) dup >magic @ <fwd> = swap >link @ |
: ?touched ( ghost -- flag ) dup forward? swap >link @ |
0 <> and ; |
0 <> and ; |
|
|
|
: .forwarddefs ( ghost -- ) |
|
." appeared in:" |
|
>link |
|
BEGIN @ dup |
|
WHILE cr 5 spaces |
|
dup >ghost @ >ghostname type |
|
." file " dup >file @ ?dup IF count type ELSE ." CON" THEN |
|
." line " dup >line @ .dec |
|
REPEAT |
|
drop ; |
|
|
: ?resolved ( ghostname -- ) |
: ?resolved ( ghostname -- ) |
dup cell+ @ ?touched |
dup cell+ @ ?touched |
IF cell+ cell+ count cr type ResolveFlag on ELSE drop THEN ; |
IF dup |
|
cell+ cell+ count cr type ResolveFlag on |
|
cell+ @ .forwarddefs |
|
ELSE drop |
|
THEN ; |
|
|
>MINIMAL |
>MINIMAL |
: .unresolved ( -- ) |
: .unresolved ( -- ) |
Line 362 variable ResolveFlag
|
Line 963 variable ResolveFlag
|
THEN |
THEN |
cr ; |
cr ; |
|
|
|
: .stats |
|
base @ >r decimal |
|
cr ." named Headers: " headers-named @ . |
|
r> base ! ; |
|
|
>CROSS |
>CROSS |
\ Header states 12dec92py |
\ Header states 12dec92py |
|
|
Line 375 VARIABLE ^imm
|
Line 981 VARIABLE ^imm
|
<res> <> ABORT" CROSS: Cannot immediate a unresolved word" |
<res> <> ABORT" CROSS: Cannot immediate a unresolved word" |
<imm> ^imm @ ! ; |
<imm> ^imm @ ! ; |
: restrict 20 flag! ; |
: restrict 20 flag! ; |
|
|
|
: isdoer |
|
\G define a forth word as doer, this makes obviously only sence on |
|
\G forth processors such as the PSC1000 |
|
<do:> last-header-ghost @ >magic ! ; |
>CROSS |
>CROSS |
|
|
\ ALIAS2 ansforth conform alias 9may93jaw |
\ ALIAS2 ansforth conform alias 9may93jaw |
Line 385 VARIABLE ^imm
|
Line 996 VARIABLE ^imm
|
|
|
\ Target Header Creation 01nov92py |
\ Target Header Creation 01nov92py |
|
|
|
>TARGET |
: string, ( addr count -- ) |
: string, ( addr count -- ) |
dup T c, H bounds ?DO I c@ T c, H LOOP ; |
dup T c, H bounds ?DO I c@ T c, H LOOP ; |
: name, ( "name" -- ) bl word count string, T cfalign H ; |
: name, ( "name" -- ) bl word count T string, cfalign H ; |
: view, ( -- ) ( dummy ) ; |
: view, ( -- ) ( dummy ) ; |
|
>CROSS |
|
|
\ Target Document Creation (goes to crossdoc.fd) 05jul95py |
\ Target Document Creation (goes to crossdoc.fd) 05jul95py |
|
|
s" doc/crossdoc.fd" r/w create-file throw value doc-file-id |
s" ./doc/crossdoc.fd" r/w create-file throw value doc-file-id |
\ contains the file-id of the documentation file |
\ contains the file-id of the documentation file |
|
|
: T-\G ( -- ) |
: T-\G ( -- ) |
Line 456 Create tag-bof 1 c, 0C c,
|
Line 1069 Create tag-bof 1 c, 0C c,
|
Defer skip? ' false IS skip? |
Defer skip? ' false IS skip? |
|
|
: defined? ( -- flag ) \ name |
: defined? ( -- flag ) \ name |
ghost >magic @ <fwd> <> ; |
ghost forward? 0= ; |
|
|
: needed? ( -- flag ) \ name |
: needed? ( -- flag ) \ name |
\G returns a false flag when |
\G returns a false flag when |
Line 464 Defer skip? ' false IS skip?
|
Line 1077 Defer skip? ' false IS skip?
|
\G a forward reference exists |
\G a forward reference exists |
\G so the definition is not skipped! |
\G so the definition is not skipped! |
bl word gfind |
bl word gfind |
IF dup >magic @ <fwd> = |
IF dup forward? |
\ swap >link @ 0<> and |
|
nip |
nip |
0= |
0= |
ELSE drop true THEN ; |
ELSE drop true THEN ; |
Line 478 Defer skip? ' false IS skip?
|
Line 1090 Defer skip? ' false IS skip?
|
|
|
\ Target header creation |
\ Target header creation |
|
|
VARIABLE CreateFlag CreateFlag off |
Variable CreateFlag |
|
CreateFlag off |
|
|
|
Variable NoHeaderFlag |
|
NoHeaderFlag off |
|
|
|
: 0.r ( n1 n2 -- ) |
|
base @ >r hex |
|
0 swap <# 0 ?DO # LOOP #> type |
|
r> base ! ; |
|
: .sym |
|
bounds |
|
DO I c@ dup |
|
CASE '/ OF drop ." \/" ENDOF |
|
'\ OF drop ." \\" ENDOF |
|
dup OF emit ENDOF |
|
ENDCASE |
|
LOOP ; |
|
|
: (Theader ( "name" -- ghost ) |
: (Theader ( "name" -- ghost ) |
\ >in @ bl word count type 2 spaces >in ! |
\ >in @ bl word count type 2 spaces >in ! |
T align H view, |
\ wordheaders will always be compiled to rom |
tlast @ dup 0> IF T 1 cells - THEN A, H there tlast ! |
switchrom |
>in @ name, >in ! T here H tlastcfa ! |
\ build header in target |
CreateFlag @ IF |
NoHeaderFlag @ |
>in @ alias2 swap >in ! \ create alias in target |
IF NoHeaderFlag off |
>in @ ghost swap >in ! |
ELSE |
swap also ghosts ' previous swap ! \ tick ghost and store in alias |
T align H view, |
CreateFlag off |
tlast @ dup 0> IF T 1 cells - H THEN T A, H there tlast ! |
ELSE ghost THEN |
1 headers-named +! \ Statistic |
dup >magic ^imm ! \ a pointer for immediate |
>in @ T name, H >in ! |
Already @ IF dup >end tdoes ! |
THEN |
ELSE 0 tdoes ! THEN |
T cfalign here H tlastcfa ! |
80 flag! |
\ Symbol table |
cross-doc-entry cross-tag-entry ; |
\ >in @ cr ." sym:s/CFA=" there 4 0.r ." /" bl word count .sym ." /g" cr >in ! |
|
CreateFlag @ |
|
IF |
|
>in @ alias2 swap >in ! \ create alias in target |
|
>in @ ghost swap >in ! |
|
swap also ghosts ' previous swap ! \ tick ghost and store in alias |
|
CreateFlag off |
|
ELSE ghost |
|
THEN |
|
dup Last-Header-Ghost ! |
|
dup >magic ^imm ! \ a pointer for immediate |
|
Already @ |
|
IF dup >end tdoes ! |
|
ELSE 0 tdoes ! |
|
THEN |
|
80 flag! |
|
cross-doc-entry cross-tag-entry ; |
|
|
VARIABLE ;Resolve 1 cells allot |
VARIABLE ;Resolve 1 cells allot |
|
\ this is the resolver information from ":" |
|
\ resolving is done by ";" |
|
|
: Theader ( "name" -- ghost ) |
: Theader ( "name" -- ghost ) |
(THeader dup there resolve 0 ;Resolve ! ; |
(THeader dup there resolve 0 ;Resolve ! ; |
Line 505 VARIABLE ;Resolve 1 cells allot
|
Line 1152 VARIABLE ;Resolve 1 cells allot
|
>TARGET |
>TARGET |
: Alias ( cfa -- ) \ name |
: Alias ( cfa -- ) \ name |
>in @ skip? IF 2drop EXIT THEN >in ! |
>in @ skip? IF 2drop EXIT THEN >in ! |
dup 0< has-prims 0= and |
dup 0< s" prims" T $has? H 0= and |
IF |
IF |
." needs prim: " >in @ bl word count type >in ! cr |
.sourcepos ." needs prim: " >in @ bl word count type >in ! cr |
THEN |
THEN |
(THeader over resolve T A, H 80 flag! ; |
(THeader over resolve T A, H 80 flag! ; |
: Alias: ( cfa -- ) \ name |
: Alias: ( cfa -- ) \ name |
>in @ skip? IF 2drop EXIT THEN >in ! |
>in @ skip? IF 2drop EXIT THEN >in ! |
dup 0< has-prims 0= and |
dup 0< s" prims" T $has? H 0= and |
IF |
IF |
." 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 <do:> swap >magic ! ; |
>CROSS |
>CROSS |
Line 540 VARIABLE ;Resolve 1 cells allot
|
Line 1187 VARIABLE ;Resolve 1 cells allot
|
|
|
Comment ( Comment \ |
Comment ( Comment \ |
|
|
\ Predefined ghosts 12dec92py |
|
|
|
ghost 0= drop |
|
ghost branch ghost ?branch 2drop |
|
ghost (do) ghost (?do) 2drop |
|
ghost (for) drop |
|
ghost (loop) ghost (+loop) 2drop |
|
ghost (next) drop |
|
ghost unloop ghost ;S 2drop |
|
ghost lit ghost (compile) ghost ! 2drop drop |
|
ghost (does>) ghost noop 2drop |
|
ghost (.") ghost (S") ghost (ABORT") 2drop drop |
|
ghost ' drop |
|
ghost :docol ghost :doesjump ghost :dodoes 2drop drop |
|
ghost over ghost = ghost drop 2drop drop |
|
|
|
\ compile 10may93jaw |
\ compile 10may93jaw |
|
|
: compile ( -- ) \ name |
: compile ( -- ) \ name |
Line 566 ghost over ghost = ghost dr
|
Line 1197 ghost over ghost = ghost dr
|
ELSE postpone literal postpone gexecute THEN ; |
ELSE postpone literal postpone gexecute THEN ; |
immediate |
immediate |
|
|
\ generic threading modell |
: [G'] |
: docol, ( -- ) compile :docol T 0 , H ; |
\G ticks a ghost and returns its address |
|
bl word gfind 0= ABORT" CROSS: Ghost don't exists" |
|
state @ |
|
IF postpone literal |
|
THEN ; immediate |
|
|
|
: ghost>cfa |
|
dup forward? ABORT" CROSS: forward " >link @ ; |
|
|
|
>TARGET |
|
|
|
: ' ( -- cfa ) |
|
\ returns the target-cfa of a ghost |
|
bl word gfind 0= ABORT" CROSS: Ghost don't exists" |
|
ghost>cfa ; |
|
|
|
Cond: ['] T ' H alit, ;Cond |
|
|
|
>CROSS |
|
|
|
: [T'] |
|
\ returns the target-cfa of a ghost, or compiles it as literal |
|
postpone [G'] state @ IF postpone ghost>cfa ELSE ghost>cfa THEN ; immediate |
|
|
|
\ \ threading modell 13dec92py |
|
\ modularized 14jun97jaw |
|
|
|
: fillcfa ( usedcells -- ) |
|
T cells H xt>body swap - 0 ?DO 0 T c, tchar H +LOOP ; |
|
|
|
: (>body) ( cfa -- pfa ) xt>body + ; ' (>body) T IS >body H |
|
|
|
: (doer,) ( ghost -- ) ]comp gexecute comp[ 1 fillcfa ; ' (doer,) IS doer, |
|
|
|
: (docol,) ( -- ) [G'] :docol doer, ; ' (docol,) IS docol, |
|
|
|
: (doprim,) ( -- ) |
|
there xt>body + ca>native T a, H 1 fillcfa ; ' (doprim,) IS doprim, |
|
|
|
: (doeshandler,) ( -- ) |
|
T cfalign H compile :doesjump T 0 , H ; ' (doeshandler,) IS doeshandler, |
|
|
|
: (dodoes,) ( does-action-ghost -- ) |
|
]comp [G'] :dodoes gexecute comp[ |
|
addr, |
|
T here H tcell - reloff 2 fillcfa ; ' (dodoes,) IS dodoes, |
|
|
: dodoes, ( -- ) T cfalign H compile :doesjump T 0 , H ; |
: (lit,) ( n -- ) compile lit T , H ; ' (lit,) IS lit, |
|
|
|
: (alit,) ( n -- ) lit, T here cell - H relon ; ' (alit,) IS alit, |
|
|
|
: (fini,) compile ;s ; ' (fini,) IS fini, |
|
|
[IFUNDEF] (code) |
[IFUNDEF] (code) |
Defer (code) |
Defer (code) |
Defer (end-code) |
Defer (end-code) |
[THEN] |
[THEN] |
|
|
[IFUNDEF] ca>native |
|
defer ca>native |
|
[THEN] |
|
|
|
>TARGET |
>TARGET |
: Code |
: Code |
|
defempty? |
(THeader there resolve |
(THeader there resolve |
[ has-prims 0= [IF] ITC [ELSE] true [THEN] ] [IF] |
[ T e? prims H 0= [IF] T e? ITC H [ELSE] true [THEN] ] [IF] |
there 2 T cells H + ca>native T a, 0 , H |
doprim, |
[THEN] |
[THEN] |
depth (code) ; |
depth (code) ; |
|
|
: Code: |
: Code: |
|
defempty? |
ghost dup there ca>native resolve <do:> swap >magic ! |
ghost dup there ca>native resolve <do:> swap >magic ! |
depth (code) ; |
depth (code) ; |
|
|
: end-code |
: end-code |
|
(end-code) |
depth ?dup IF 1- <> ABORT" CROSS: Stack changed" |
depth ?dup IF 1- <> ABORT" CROSS: Stack changed" |
ELSE true ABORT" CROSS: Stack empty" THEN |
ELSE true ABORT" CROSS: Stack empty" THEN |
(end-code) ; |
; |
|
|
: ' ( -- cfa ) bl word gfind 0= ABORT" CROSS: undefined " |
|
dup >magic @ <fwd> = ABORT" CROSS: forward " >link @ ; |
|
|
|
Cond: ['] compile lit ghost gexecute ;Cond |
|
|
|
Cond: chars ;Cond |
( Cond ) : chars tchar * ; ( Cond ) |
|
|
>CROSS |
>CROSS |
\ tLiteral 12dec92py |
|
|
|
: lit, ( n -- ) compile lit T , H ; |
\ tLiteral 12dec92py |
: alit, ( n -- ) compile lit T A, H ; |
|
|
|
>TARGET |
>TARGET |
Cond: \G T-\G ;Cond |
Cond: \G T-\G ;Cond |
Line 621 Cond: [Char] ( "<char>" -- ) restrict
|
Line 1293 Cond: [Char] ( "<char>" -- ) restrict
|
|
|
\ 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! |
|
|
Cond: MAXU |
Cond: MAXU |
restrict? compile lit |
restrict? |
tcell 0 ?DO FF T c, H LOOP ;Cond |
tcell 1 cells u> |
|
IF compile lit tcell 0 ?DO FF T c, H LOOP |
|
ELSE $ffffffff lit, THEN |
|
;Cond |
|
|
Cond: MINI |
Cond: MINI |
restrict? compile lit |
restrict? |
bigendian IF |
tcell 1 cells u> |
80 T c, H tcell 1 ?DO 0 T c, H LOOP |
IF compile lit bigendian |
ELSE |
IF 80 T c, H tcell 1 ?DO 0 T c, H LOOP |
tcell 1 ?DO 0 T c, H LOOP 80 T c, H |
ELSE tcell 1 ?DO 0 T c, H LOOP 80 T c, H |
THEN |
THEN |
;Cond |
ELSE tcell 2 = IF $8000 ELSE $80000000 THEN lit, THEN |
|
;Cond |
|
|
Cond: MAXI |
Cond: MAXI |
restrict? compile lit |
restrict? |
bigendian IF |
tcell 1 cells u> |
7F T c, H tcell 1 ?DO FF T c, H LOOP |
IF compile lit bigendian |
ELSE |
IF 7F T c, H tcell 1 ?DO FF T c, H LOOP |
tcell 1 ?DO FF T c, H LOOP 7F T c, H |
ELSE tcell 1 ?DO FF T c, H LOOP 7F T c, H |
THEN |
THEN |
|
ELSE tcell 2 = IF $7fff ELSE $7fffffff THEN lit, THEN |
;Cond |
;Cond |
|
|
>CROSS |
>CROSS |
Line 661 Cond: MAXI
|
Line 1341 Cond: MAXI
|
\ ] 9may93py/jaw |
\ ] 9may93py/jaw |
|
|
: ] state on |
: ] state on |
|
Compiling comp-state ! |
BEGIN |
BEGIN |
BEGIN >in @ bl word |
BEGIN >in @ bl word |
dup c@ 0= WHILE 2drop refill 0= |
dup c@ 0= WHILE 2drop refill 0= |
Line 675 Cond: MAXI
|
Line 1356 Cond: MAXI
|
\ is not allowed if a system should be ans conform |
\ is not allowed if a system should be ans conform |
|
|
: : ( -- colon-sys ) \ Name |
: : ( -- colon-sys ) \ Name |
|
defempty? |
|
constflag off \ don't let this flag work over colon defs |
|
\ just to go sure nothing unwanted happens |
>in @ skip? IF drop skip-defs EXIT THEN >in ! |
>in @ skip? IF drop skip-defs EXIT THEN >in ! |
(THeader ;Resolve ! there ;Resolve cell+ ! |
(THeader ;Resolve ! there ;Resolve cell+ ! |
docol, depth T ] H ; |
docol, ]comp depth T ] H ; |
|
|
: :noname ( -- colon-sys ) |
: :noname ( -- colon-sys ) |
T cfalign H there docol, depth T ] H ; |
T cfalign H there docol, 0 ;Resolve ! depth T ] H ; |
|
|
Cond: EXIT ( -- ) restrict? compile ;S ;Cond |
Cond: EXIT ( -- ) restrict? compile ;S ;Cond |
|
|
Cond: ?EXIT ( -- ) 1 abort" CROSS: using ?exit" ;Cond |
Cond: ?EXIT ( -- ) 1 abort" CROSS: using ?exit" ;Cond |
|
|
|
>CROSS |
|
: LastXT ;Resolve @ 0= abort" CROSS: no definition for LastXT" |
|
;Resolve cell+ @ ; |
|
|
|
>TARGET |
|
|
|
Cond: recurse ( -- ) Last-Ghost @ gexecute ;Cond |
|
|
Cond: ; ( -- ) restrict? |
Cond: ; ( -- ) restrict? |
depth ?dup IF 1- <> ABORT" CROSS: Stack changed" |
depth ?dup IF 1- <> ABORT" CROSS: Stack changed" |
ELSE true ABORT" CROSS: Stack empty" THEN |
ELSE true ABORT" CROSS: Stack empty" THEN |
compile ;S state off |
fini, |
|
comp[ |
|
state off |
;Resolve @ |
;Resolve @ |
IF ;Resolve @ ;Resolve cell+ @ resolve THEN |
IF ;Resolve @ ;Resolve cell+ @ resolve THEN |
|
Interpreting comp-state ! |
;Cond |
;Cond |
Cond: [ restrict? state off ;Cond |
Cond: [ restrict? state off Interpreting comp-state ! ;Cond |
|
|
>CROSS |
>CROSS |
: !does |
|
tlastcfa @ dup there >r tdp ! compile :dodoes r> tdp ! T cell+ ! H ; |
Create GhostDummy ghostheader |
|
<res> GhostDummy >magic ! |
|
|
|
: !does ( does-action -- ) |
|
\ !! zusammenziehen und dodoes, machen! |
|
tlastcfa @ [G'] :dovar killref |
|
\ tlastcfa @ dup there >r tdp ! compile :dodoes r> tdp ! T cell+ ! H ; |
|
\ !! geht so nicht, da dodoes, ghost will! |
|
GhostDummy >link ! GhostDummy |
|
tlastcfa @ >tempdp dodoes, tempdp> ; |
|
|
>TARGET |
>TARGET |
Cond: DOES> restrict? |
Cond: DOES> restrict? |
compile (does>) dodoes, tdoes @ ?dup IF @ T here H resolve THEN |
compile (does>) doeshandler, |
|
\ resolve words made by builders |
|
tdoes @ ?dup IF @ T here H resolve THEN |
;Cond |
;Cond |
: DOES> dodoes, T here H !does depth T ] H ; |
: DOES> switchrom doeshandler, T here H !does depth T ] H ; |
|
|
>CROSS |
>CROSS |
\ Creation 01nov92py |
\ Creation 01nov92py |
|
|
\ Builder 11may93jaw |
\ Builder 11may93jaw |
|
|
: Builder ( Create do: "name" -- ) |
: Builder ( Create-xt do:-xt "name" -- ) |
|
\ builds up a builder in current vocabulary |
|
\ create-xt is executed when word is interpreted |
|
\ do:-xt is executet when the created word from builder is executed |
|
\ for do:-xt an additional entry after the normal ghost-enrys is used |
|
|
>in @ alias2 swap dup >in ! >r >r |
>in @ alias2 swap dup >in ! >r >r |
Make-Ghost rot swap >exec ! , |
Make-Ghost |
|
rot swap >exec dup @ ['] NoExec <> |
|
IF 2drop ELSE ! THEN |
|
, |
r> r> >in ! |
r> r> >in ! |
also ghosts ' previous swap ! ; |
also ghosts ' previous swap ! ; |
\ DOES> dup >exec @ execute ; |
\ DOES> dup >exec @ execute ; |
|
|
: gdoes, ( ghost -- ) >end @ dup >magic @ <fwd> <> |
: gdoes, ( ghost -- ) |
IF |
\ makes the codefield for a word that is built |
|
>end @ dup forward? 0= |
|
IF |
dup >magic @ <do:> = |
dup >magic @ <do:> = |
IF gexecute T 0 , H EXIT THEN |
IF doer, |
THEN |
ELSE dodoes, |
compile :dodoes gexecute T here H tcell - reloff ; |
THEN |
|
EXIT |
|
THEN |
|
\ compile :dodoes gexecute |
|
\ T here H tcell - reloff |
|
2 refered |
|
0 fillcfa |
|
; |
|
|
: TCreate ( -- ) |
: TCreate ( <name> -- ) |
last-ghost @ |
executed-ghost @ |
CreateFlag on |
CreateFlag on |
|
create-forward-warn |
|
IF ['] reswarn-forward IS resolve-warning THEN |
Theader >r dup gdoes, |
Theader >r dup gdoes, |
|
\ stores execution symantic in the built word |
|
>end @ >exec @ r> >exec ! ; |
|
|
|
: RTCreate ( <name> -- ) |
|
\ creates a new word with code-field in ram |
|
executed-ghost @ |
|
CreateFlag on |
|
create-forward-warn |
|
IF ['] reswarn-forward IS resolve-warning THEN |
|
\ make Alias |
|
(THeader there 0 T a, H 80 flag! ( S executed-ghost new-ghost ) |
|
\ store poiter to code-field |
|
switchram T cfalign H |
|
there swap T ! H |
|
there tlastcfa ! |
|
dup there resolve 0 ;Resolve ! |
|
>r dup gdoes, |
>end @ >exec @ r> >exec ! ; |
>end @ >exec @ r> >exec ! ; |
|
|
: Build: ( -- [xt] [colon-sys] ) |
: Build: ( -- [xt] [colon-sys] ) |
:noname postpone TCreate ; |
:noname postpone TCreate ; |
|
|
|
: BuildSmart: ( -- [xt] [colon-sys] ) |
|
:noname |
|
[ T has? rom H [IF] ] |
|
postpone RTCreate |
|
[ [ELSE] ] |
|
postpone TCreate |
|
[ [THEN] ] ; |
|
|
: gdoes> ( ghost -- addr flag ) |
: gdoes> ( ghost -- addr flag ) |
last-ghost @ |
executed-ghost @ |
state @ IF gexecute true EXIT THEN |
state @ IF gexecute true EXIT THEN |
cell+ @ T >body H false ; |
>link @ T >body H false ; |
|
|
\ DO: ;DO 11may93jaw |
\ DO: ;DO 11may93jaw |
\ changed to ?EXIT 10may93jaw |
\ changed to ?EXIT 10may93jaw |
Line 749 Cond: DOES> restrict?
|
Line 1499 Cond: DOES> restrict?
|
ghost |
ghost |
:noname postpone gdoes> postpone ?EXIT ; |
:noname postpone gdoes> postpone ?EXIT ; |
|
|
: ;DO ( addr [xt] [colon-sys] -- ) |
: ;DO ( addr [xt] [colon-sys] -- addr ) |
postpone ; ( S addr xt ) |
postpone ; ( S addr xt ) |
over >exec ! ; immediate |
over >exec ! ; immediate |
|
|
Line 759 Cond: DOES> restrict?
|
Line 1509 Cond: DOES> restrict?
|
>TARGET |
>TARGET |
\ Variables and Constants 05dec92py |
\ Variables and Constants 05dec92py |
|
|
Build: ; |
Build: ( n -- ) ; |
|
by: :docon ( ghost -- n ) T @ H ;DO |
|
Builder (Constant) |
|
|
|
Build: ( n -- ) T , H ; |
|
by (Constant) |
|
Builder Constant |
|
|
|
Build: ( n -- ) T A, H ; |
|
by (Constant) |
|
Builder AConstant |
|
|
|
Build: ( d -- ) T , , H ; |
|
DO: ( ghost -- d ) T dup cell+ @ swap @ H ;DO |
|
Builder 2Constant |
|
|
|
BuildSmart: ; |
by: :dovar ( ghost -- addr ) ;DO |
by: :dovar ( ghost -- addr ) ;DO |
Builder Create |
Builder Create |
|
|
|
T has? rom H [IF] |
|
Build: ( -- ) T here 0 , H switchram T align here swap ! 0 , H ( switchrom ) ; |
|
by (Constant) |
|
Builder Variable |
|
[ELSE] |
Build: T 0 , H ; |
Build: T 0 , H ; |
by Create |
by Create |
Builder Variable |
Builder Variable |
|
[THEN] |
|
|
|
T has? rom H [IF] |
|
Build: ( -- ) T here 0 , H switchram T align here swap ! 0 , 0 , H ( switchrom ) ; |
|
by (Constant) |
|
Builder 2Variable |
|
[ELSE] |
|
Build: T 0 , 0 , H ; |
|
by Create |
|
Builder 2Variable |
|
[THEN] |
|
|
|
T has? rom H [IF] |
|
Build: ( -- ) T here 0 , H switchram T align here swap ! 0 , H ( switchrom ) ; |
|
by (Constant) |
|
Builder AVariable |
|
[ELSE] |
Build: T 0 A, H ; |
Build: T 0 A, H ; |
by Create |
by Create |
Builder AVariable |
Builder AVariable |
|
[THEN] |
|
|
\ User variables 04may94py |
\ User variables 04may94py |
|
|
Line 796 Build: T 0 au, , H ;
|
Line 1584 Build: T 0 au, , H ;
|
by User |
by User |
Builder AUser |
Builder AUser |
|
|
Build: ( n -- ) ; |
BuildSmart: T , H ; |
by: :docon ( ghost -- n ) T @ H ;DO |
|
Builder (Constant) |
|
|
|
Build: ( n -- ) T , H ; |
|
by (Constant) |
|
Builder Constant |
|
|
|
Build: ( n -- ) T A, H ; |
|
by (Constant) |
|
Builder AConstant |
|
|
|
Build: ( d -- ) T , , H ; |
|
DO: ( ghost -- d ) T dup cell+ @ swap @ H ;DO |
|
Builder 2Constant |
|
|
|
Build: T , H ; |
|
by (Constant) |
by (Constant) |
Builder Value |
Builder Value |
|
|
Build: T A, H ; |
BuildSmart: T A, H ; |
by (Constant) |
by (Constant) |
Builder AValue |
Builder AValue |
|
|
Build: ( -- ) compile noop ; |
BuildSmart: ( -- ) [T'] noop T A, H ; |
by: :dodefer ( ghost -- ) ABORT" CROSS: Don't execute" ;DO |
by: :dodefer ( ghost -- ) ABORT" CROSS: Don't execute" ;DO |
Builder Defer |
Builder Defer |
|
|
Build: ( inter comp -- ) swap T immediate A, A, H ; |
BuildSmart: ( inter comp -- ) swap T immediate A, A, H ; |
DO: ( ghost -- ) ABORT" CROSS: Don't execute" ;DO |
DO: ( ghost -- ) ABORT" CROSS: Don't execute" ;DO |
Builder interpret/compile: |
Builder interpret/compile: |
|
|
Line 849 Builder Field
|
Line 1621 Builder Field
|
: struct T 1 chars 0 H ; |
: struct T 1 chars 0 H ; |
: end-struct T 2Constant H ; |
: end-struct T 2Constant H ; |
|
|
: cell% ( -- align size ) |
: cell% ( n -- size align ) |
T 1 cells H dup ; |
T 1 cells H dup ; |
|
|
\ ' 2Constant Alias2 end-struct |
\ ' 2Constant Alias2 end-struct |
Line 860 Builder Field
|
Line 1632 Builder Field
|
>CROSS |
>CROSS |
: ?struc ( flag -- ) ABORT" CROSS: unstructured " ; |
: ?struc ( flag -- ) ABORT" CROSS: unstructured " ; |
: sys? ( sys -- sys ) dup 0= ?struc ; |
: sys? ( sys -- sys ) dup 0= ?struc ; |
: >mark ( -- sys ) T here 0 , H ; |
: >mark ( -- sys ) T here ( dup ." M" hex. ) 0 , H ; |
: >resolve ( sys -- ) T here over - swap ! H ; |
|
: <resolve ( sys -- ) T here - , H ; |
: branchoffset ( src dest -- ) - tchar / ; |
|
|
|
: >resolve ( sys -- ) T here ( dup ." >" hex. ) over branchoffset swap ! H ; |
|
|
|
: <resolve ( sys -- ) T here ( dup ." <" hex. ) branchoffset , H ; |
|
|
|
:noname compile branch T here branchoffset , H ; |
|
IS branch, ( target-addr -- ) |
|
:noname compile ?branch T here branchoffset , H ; |
|
IS ?branch, ( target-addr -- ) |
|
:noname compile branch T here 0 , H ; |
|
IS branchmark, ( -- branchtoken ) |
|
:noname compile ?branch T here 0 , H ; |
|
IS ?branchmark, ( -- branchtoken ) |
|
:noname T here 0 , H ; |
|
IS ?domark, ( -- branchtoken ) |
|
:noname dup T @ H ?struc T here over branchoffset swap ! H ; |
|
IS branchtoresolve, ( branchtoken -- ) |
|
:noname branchto, T here H ; |
|
IS branchtomark, ( -- target-addr ) |
|
|
>TARGET |
>TARGET |
|
|
\ Structural Conditionals 12dec92py |
\ Structural Conditionals 12dec92py |
Line 870 Builder Field
|
Line 1662 Builder Field
|
Cond: BUT restrict? sys? swap ;Cond |
Cond: BUT restrict? sys? swap ;Cond |
Cond: YET restrict? sys? dup ;Cond |
Cond: YET restrict? sys? dup ;Cond |
|
|
|
0 [IF] |
>CROSS |
>CROSS |
Variable tleavings |
Variable tleavings |
>TARGET |
>TARGET |
Line 879 Cond: DONE ( addr -- ) restrict? tlea
|
Line 1672 Cond: DONE ( addr -- ) restrict? tlea
|
tleavings ! drop ;Cond |
tleavings ! drop ;Cond |
|
|
>CROSS |
>CROSS |
: (leave T here H tleavings @ T , H tleavings ! ; |
: (leave) T here H tleavings @ T , H tleavings ! ; |
|
>TARGET |
|
|
|
Cond: LEAVE restrict? compile branch (leave) ;Cond |
|
Cond: ?LEAVE restrict? compile 0= compile ?branch (leave) ;Cond |
|
|
|
[ELSE] |
|
\ !! This is WIP |
|
\ The problem is (?DO)! |
|
\ perhaps we need a plug-in for (?DO) |
|
|
|
>CROSS |
|
Variable tleavings 0 tleavings ! |
|
: (done) ( addr -- ) |
|
tleavings @ |
|
BEGIN dup |
|
WHILE |
|
>r dup r@ cell+ @ \ address of branch |
|
u> 0= \ lower than DO? |
|
WHILE |
|
r@ 2 cells + @ \ branch token |
|
branchtoresolve, |
|
r@ @ r> free throw |
|
REPEAT r> THEN |
|
tleavings ! drop ; |
|
|
|
>TARGET |
|
|
|
Cond: DONE ( addr -- ) restrict? (done) ;Cond |
|
|
|
>CROSS |
|
: (leave) ( branchtoken -- ) |
|
3 cells allocate throw >r |
|
T here H r@ cell+ ! |
|
r@ 2 cells + ! |
|
tleavings @ r@ ! |
|
r> tleavings ! ; |
>TARGET |
>TARGET |
|
|
Cond: LEAVE restrict? compile branch (leave ;Cond |
Cond: LEAVE restrict? branchmark, (leave) ;Cond |
Cond: ?LEAVE restrict? compile 0= compile ?branch (leave ;Cond |
Cond: ?LEAVE restrict? compile 0= ?branchmark, (leave) ;Cond |
|
|
|
[THEN] |
|
|
|
>CROSS |
|
\ !!JW ToDo : Move to general tools section |
|
|
|
: to1 ( x1 x2 xn n -- addr ) |
|
\G packs n stack elements in a allocated memory region |
|
dup dup 1+ cells allocate throw dup >r swap 1+ |
|
0 DO tuck ! cell+ LOOP |
|
drop r> ; |
|
: 1to ( addr -- x1 x2 xn ) |
|
\G unpacks the elements saved by to1 |
|
dup @ swap over cells + swap |
|
0 DO dup @ swap 1 cells - LOOP |
|
free throw ; |
|
|
|
: loop] branchto, dup <resolve tcell - (done) ; |
|
|
|
: skiploop] ?dup IF branchto, branchtoresolve, THEN ; |
|
|
|
>TARGET |
|
|
\ Structural Conditionals 12dec92py |
\ Structural Conditionals 12dec92py |
|
|
Cond: AHEAD restrict? compile branch >mark ;Cond |
>TARGET |
Cond: IF restrict? compile ?branch >mark ;Cond |
Cond: AHEAD restrict? branchmark, ;Cond |
Cond: THEN restrict? sys? dup T @ H ?struc >resolve ;Cond |
Cond: IF restrict? ?branchmark, ;Cond |
|
Cond: THEN restrict? sys? branchto, branchtoresolve, ;Cond |
Cond: ELSE restrict? sys? compile AHEAD swap compile THEN ;Cond |
Cond: ELSE restrict? sys? compile AHEAD swap compile THEN ;Cond |
|
|
Cond: BEGIN restrict? T here H ;Cond |
Cond: BEGIN restrict? branchtomark, ;Cond |
Cond: WHILE restrict? sys? compile IF swap ;Cond |
Cond: WHILE restrict? sys? compile IF swap ;Cond |
Cond: AGAIN restrict? sys? compile branch <resolve ;Cond |
Cond: AGAIN restrict? sys? branch, ;Cond |
Cond: UNTIL restrict? sys? compile ?branch <resolve ;Cond |
Cond: UNTIL restrict? sys? ?branch, ;Cond |
Cond: REPEAT restrict? over 0= ?struc compile AGAIN compile THEN ;Cond |
Cond: REPEAT restrict? over 0= ?struc compile AGAIN compile THEN ;Cond |
|
|
Cond: CASE restrict? 0 ;Cond |
Cond: CASE restrict? 0 ;Cond |
Cond: OF restrict? 1+ >r compile over compile = compile IF compile drop |
Cond: OF restrict? 1+ >r compile over compile = |
r> ;Cond |
compile IF compile drop r> ;Cond |
Cond: ENDOF restrict? >r compile ELSE r> ;Cond |
Cond: ENDOF restrict? >r compile ELSE r> ;Cond |
Cond: ENDCASE restrict? compile drop 0 ?DO compile THEN LOOP ;Cond |
Cond: ENDCASE restrict? compile drop 0 ?DO compile THEN LOOP ;Cond |
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\ Structural Conditionals 12dec92py |
\ Structural Conditionals 12dec92py |
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|
Cond: DO restrict? compile (do) T here H ;Cond |
:noname |
Cond: ?DO restrict? compile (?do) T (leave here H ;Cond |
0 compile (do) |
Cond: FOR restrict? compile (for) T here H ;Cond |
branchtomark, 2 to1 ; |
|
IS do, ( -- target-addr ) |
>CROSS |
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: loop] dup <resolve tcell - compile DONE compile unloop ; |
\ :noname |
>TARGET |
\ compile 2dup compile = compile IF |
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\ compile 2drop compile ELSE |
Cond: LOOP restrict? sys? compile (loop) loop] ;Cond |
\ compile (do) branchtomark, 2 to1 ; |
Cond: +LOOP restrict? sys? compile (+loop) loop] ;Cond |
\ IS ?do, |
Cond: NEXT restrict? sys? compile (next) loop] ;Cond |
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:noname |
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0 compile (?do) ?domark, (leave) |
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branchtomark, 2 to1 ; |
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IS ?do, ( -- target-addr ) |
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:noname compile (for) branchtomark, ; |
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IS for, ( -- target-addr ) |
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:noname 1to compile (loop) loop] compile unloop skiploop] ; |
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IS loop, ( target-addr -- ) |
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:noname 1to compile (+loop) loop] compile unloop skiploop] ; |
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IS +loop, ( target-addr -- ) |
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:noname compile (next) loop] compile unloop ; |
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IS next, ( target-addr -- ) |
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Cond: DO restrict? do, ;Cond |
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Cond: ?DO restrict? ?do, ;Cond |
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Cond: FOR restrict? for, ;Cond |
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Cond: LOOP restrict? sys? loop, ;Cond |
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Cond: +LOOP restrict? sys? +loop, ;Cond |
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Cond: NEXT restrict? sys? next, ;Cond |
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\ String words 23feb93py |
\ String words 23feb93py |
|
|
: ," [char] " parse string, T align H ; |
: ," [char] " parse T string, align H ; |
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Cond: ." restrict? compile (.") T ," H ;Cond |
Cond: ." restrict? compile (.") T ," H ;Cond |
Cond: S" restrict? compile (S") T ," H ;Cond |
Cond: S" restrict? compile (S") T ," H ;Cond |
Line 931 Cond: IS T ' >body H compile ALit
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Line 1803 Cond: IS T ' >body H compile ALit
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Cond: TO T ' >body H compile ALiteral compile ! ;Cond |
Cond: TO T ' >body H compile ALiteral compile ! ;Cond |
: TO T ' >body ! H ; |
: TO T ' >body ! H ; |
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Cond: defers T ' >body @ compile, H ;Cond |
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: on T -1 swap ! H ; |
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: off T 0 swap ! H ; |
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\ LINKED ERR" ENV" 2ENV" 18may93jaw |
\ LINKED ERR" ENV" 2ENV" 18may93jaw |
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\ linked list primitive |
\ linked list primitive |
: linked T here over @ A, swap ! H ; |
: linked T here over @ A, swap ! H ; |
|
: chained T linked A, H ; |
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|
: err" s" ErrLink linked" evaluate T , H |
: err" s" ErrLink linked" evaluate T , H |
[char] " parse string, T align H ; |
[char] " parse T string, align H ; |
|
|
: env" [char] " parse s" EnvLink linked" evaluate |
: env" [char] " parse s" EnvLink linked" evaluate |
string, T align , H ; |
T string, align , H ; |
|
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: 2env" [char] " parse s" EnvLink linked" evaluate |
: 2env" [char] " parse s" EnvLink linked" evaluate |
here >r string, T align , , H |
here >r T string, align , , H |
r> dup T c@ H 80 and swap T c! H ; |
r> dup T c@ H 80 and swap T c! H ; |
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|
\ compile must be last 22feb93py |
\ compile must be last 22feb93py |
Line 953 Cond: compile ( -- ) restrict? \ name
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Line 1830 Cond: compile ( -- ) restrict? \ name
|
0> IF gexecute |
0> IF gexecute |
ELSE dup >magic @ <imm> = |
ELSE dup >magic @ <imm> = |
IF gexecute |
IF gexecute |
ELSE compile (compile) gexecute THEN THEN ;Cond |
ELSE compile (compile) addr, THEN THEN ;Cond |
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|
Cond: postpone ( -- ) restrict? \ name |
Cond: postpone ( -- ) restrict? \ name |
bl word gfind dup 0= ABORT" CROSS: Can't compile" |
bl word gfind dup 0= ABORT" CROSS: Can't compile" |
0> IF gexecute |
0> IF gexecute |
ELSE dup >magic @ <imm> = |
ELSE dup >magic @ <imm> = |
IF gexecute |
IF gexecute |
ELSE compile (compile) gexecute THEN THEN ;Cond |
ELSE compile (compile) addr, THEN THEN ;Cond |
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|
|
\ \ minimal definitions |
|
|
>MINIMAL |
>MINIMAL |
also minimal |
also minimal |
\ Usefull words 13feb93py |
\ Usefull words 13feb93py |
|
|
: KB 400 * ; |
: KB 400 * ; |
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\ \ [IF] [ELSE] [THEN] ... 14sep97jaw |
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\ it is useful to define our own structures and not to rely |
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\ on the words in the compiler |
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\ The words in the compiler might be defined with vocabularies |
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\ this doesn't work with our self-made compile-loop |
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Create parsed 20 chars allot \ store word we parsed |
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: upcase |
|
parsed count bounds |
|
?DO I c@ toupper I c! LOOP ; |
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: [ELSE] |
|
1 BEGIN |
|
BEGIN bl word count dup WHILE |
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comment? parsed place upcase parsed count |
|
2dup s" [IF]" compare 0= >r |
|
2dup s" [IFUNDEF]" compare 0= >r |
|
2dup s" [IFDEF]" compare 0= r> or r> or |
|
IF 2drop 1+ |
|
ELSE 2dup s" [ELSE]" compare 0= |
|
IF 2drop 1- dup |
|
IF 1+ |
|
THEN |
|
ELSE |
|
2dup s" [ENDIF]" compare 0= >r |
|
s" [THEN]" compare 0= r> or |
|
IF 1- THEN |
|
THEN |
|
THEN |
|
?dup 0= ?EXIT |
|
REPEAT |
|
2drop refill 0= |
|
UNTIL drop ; immediate |
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|
|
: [THEN] ( -- ) ; immediate |
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|
|
: [ENDIF] ( -- ) ; immediate |
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|
|
: [IF] ( flag -- ) |
|
0= IF postpone [ELSE] THEN ; immediate |
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|
|
Cond: [IF] postpone [IF] ;Cond |
|
Cond: [THEN] postpone [THEN] ;Cond |
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Cond: [ELSE] postpone [ELSE] ;Cond |
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|
\ define new [IFDEF] and [IFUNDEF] 20may93jaw |
\ define new [IFDEF] and [IFUNDEF] 20may93jaw |
|
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: defined? defined? ; |
: defined? defined? ; |
: needed? needed? ; |
: needed? needed? ; |
: doer? doer? ; |
: doer? doer? ; |
|
|
: [IFDEF] defined? postpone [IF] ; |
\ we want to use IFDEF on compiler directives (e.g. E?) in the source, too |
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|
|
: directive? |
|
bl word count [ ' target >wordlist ] aliteral search-wordlist |
|
dup IF nip THEN ; |
|
|
|
: [IFDEF] >in @ directive? swap >in ! |
|
0= IF defined? ELSE name 2drop true THEN |
|
postpone [IF] ; |
|
|
: [IFUNDEF] defined? 0= postpone [IF] ; |
: [IFUNDEF] defined? 0= postpone [IF] ; |
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|
|
Cond: [IFDEF] postpone [IFDEF] ;Cond |
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|
|
Cond: [IFUNDEF] postpone [IFUNDEF] ;Cond |
|
|
\ C: \- \+ Conditional Compiling 09jun93jaw |
\ C: \- \+ Conditional Compiling 09jun93jaw |
|
|
: C: >in @ defined? 0= |
: C: >in @ defined? 0= |
Line 991 also minimal
|
Line 1930 also minimal
|
|
|
also minimal |
also minimal |
|
|
|
\G doesn't skip line when bit is set in debugmask |
|
: \D name evaluate debugmasksource @ and 0= IF postpone \ THEN ; |
|
|
\G interprets the line if word is not defined |
\G interprets the line if word is not defined |
: \- defined? IF postpone \ THEN ; |
: \- defined? IF postpone \ THEN ; |
|
|
Line 999 also minimal
|
Line 1941 also minimal
|
|
|
Cond: \- \- ;Cond |
Cond: \- \- ;Cond |
Cond: \+ \+ ;Cond |
Cond: \+ \+ ;Cond |
|
Cond: \D \D ;Cond |
|
|
: ?? bl word find IF execute ELSE drop 0 THEN ; |
: ?? bl word find IF execute ELSE drop 0 THEN ; |
|
|
Line 1006 Cond: \+ \+ ;Cond
|
Line 1949 Cond: \+ \+ ;Cond
|
\G defines ghost for words that we want to be compiled |
\G defines ghost for words that we want to be compiled |
BEGIN >in @ bl word c@ WHILE >in ! ghost drop REPEAT drop ; |
BEGIN >in @ bl word c@ WHILE >in ! ghost drop REPEAT drop ; |
|
|
: [IF] postpone [IF] ; |
|
: [THEN] postpone [THEN] ; |
|
: [ELSE] postpone [ELSE] ; |
|
|
|
Cond: [IF] [IF] ;Cond |
|
Cond: [IFDEF] [IFDEF] ;Cond |
|
Cond: [IFUNDEF] [IFUNDEF] ;Cond |
|
Cond: [THEN] [THEN] ;Cond |
|
Cond: [ELSE] [ELSE] ;Cond |
|
|
|
previous |
previous |
|
|
\ save-cross 17mar93py |
\ save-cross 17mar93py |
Line 1042 char 1 bigendian + tcell + magic 7 + c!
|
Line 1975 char 1 bigendian + tcell + magic 7 + c!
|
ELSE |
ELSE |
bl parse 2drop |
bl parse 2drop |
THEN |
THEN |
image @ there r@ write-file throw \ write image |
image @ there |
|
r@ write-file throw \ write image |
TNIL IF |
TNIL IF |
bit$ @ there 1- tcell>bit rshift 1+ |
bit$ @ 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 ; |
|
|
|
: save-region ( addr len -- ) |
|
bl parse w/o bin create-file throw >r |
|
swap image @ + swap r@ write-file throw |
|
r> close-file throw ; |
|
|
\ words that should be in minimal |
\ words that should be in minimal |
|
|
|
create s-buffer 50 chars allot |
|
|
>MINIMAL |
>MINIMAL |
also minimal |
also minimal |
|
|
bigendian Constant bigendian |
bigendian Constant bigendian |
: save-cross save-cross ; |
|
: here there ; |
: here there ; |
|
|
|
\ compiler directives |
|
: >ram >ram ; |
|
: >rom >rom ; |
|
: >auto >auto ; |
|
: >tempdp >tempdp ; |
|
: tempdp> tempdp> ; |
|
: const constflag on ; |
|
: warnings name 3 = 0= twarnings ! drop ; |
|
: | ; |
|
\ : | NoHeaderFlag on ; \ This is broken (damages the last word) |
|
|
|
: save-cross save-cross ; |
|
: save-region save-region ; |
|
: tdump swap >image swap dump ; |
|
|
also forth |
also forth |
[IFDEF] Label : Label Label ; [THEN] |
[IFDEF] Label : Label defempty? Label ; [THEN] |
[IFDEF] start-macros : start-macros start-macros ; [THEN] |
[IFDEF] start-macros : start-macros defempty? start-macros ; [THEN] |
|
[IFDEF] builttag : builttag builttag ; [THEN] |
previous |
previous |
|
|
|
: s" [char] " parse s-buffer place s-buffer count ; \ for environment? |
: + + ; |
: + + ; |
|
: 1+ 1 + ; |
|
: 2+ 2 + ; |
: or or ; |
: or or ; |
: 1- 1- ; |
: 1- 1- ; |
: - - ; |
: - - ; |
|
: and and ; |
|
: or or ; |
: 2* 2* ; |
: 2* 2* ; |
: * * ; |
: * * ; |
: / / ; |
: / / ; |
Line 1078 previous
|
Line 2041 previous
|
: lshift lshift ; |
: lshift lshift ; |
: 2/ 2/ ; |
: 2/ 2/ ; |
: . . ; |
: . . ; |
: const ; |
|
|
|
\ mach-file count included |
|
|
|
: all-words ['] false IS skip? ; |
: all-words ['] false IS skip? ; |
: needed-words ['] needed? IS skip? ; |
: needed-words ['] needed? IS skip? ; |
Line 1090 previous
|
Line 2050 previous
|
: \G T-\G ; immediate |
: \G T-\G ; immediate |
: ( postpone ( ; immediate |
: ( postpone ( ; immediate |
: include bl word count included ; |
: include bl word count included ; |
|
: require require ; |
: .( [char] ) parse type ; |
: .( [char] ) parse type ; |
|
: ." [char] " parse type ; |
: cr cr ; |
: cr cr ; |
|
|
: times 0 ?DO dup T c, H LOOP drop ; \ used for space table creation |
: times 0 ?DO dup T c, H LOOP drop ; \ used for space table creation |
Line 1106 only forth also minimal definitions
|
Line 2068 only forth also minimal definitions
|
|
|
: doc-off false T to-doc H ! ; |
: doc-off false T to-doc H ! ; |
: doc-on true T to-doc H ! ; |
: doc-on true T to-doc H ! ; |
|
[IFDEF] dbg : dbg dbg ; [THEN] |
|
|
minimal |
minimal |
|
|
\ for debugging... |
\ for debugging... |
: order order ; |
: order order ; |
: words words ; |
: hwords words ; |
|
: words also ghosts words previous ; |
: .s .s ; |
: .s .s ; |
|
|
: bye bye ; |
: bye bye ; |
|
|
\ turnkey direction |
\ turnkey direction |
Line 1129 minimal
|
Line 2092 minimal
|
: lock turnkey ; |
: lock turnkey ; |
: unlock forth also cross ; |
: unlock forth also cross ; |
|
|
|
: [[ also unlock ; |
|
: ]] previous previous ; |
|
|
unlock definitions also minimal |
unlock definitions also minimal |
: lock lock ; |
: lock lock ; |
lock |
lock |