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 Post subject: Crazy LISTings
PostPosted: Wed Mar 03, 2021 6:58 pm 
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Joined: Sun Apr 26, 2020 3:08 am
Posts: 357
Q. How many different ways does one need to LIST the dictionary anyways?
A. As many as needed.

List - displays screen of a given number
DList - lists all files from HERE to FENCE
$List - lists all files from FENCE down to beginning that are part of the Forth system
BList - lists words Beginning with a letter
AList - list words Alphabetically
Wlist - list any words that contain a certain word (Wildcard)
PList - list all words that are primitives
IList - list all immediate words
VList - list all variables
CLIst - list all constants
UList - list all User variables
SList - list all words with Smudge bit on
FList - List words that follow the FIG standard
83List - List words that follow 83 standard
AnsList - List words that follow Ansi standard

Criminy! Memory can be filled with words that just LIST words in the dictionary. Any more LIST's anyone want to add?


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 Post subject: Re: Crazy LISTings
PostPosted: Wed Mar 03, 2021 7:33 pm 
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Joined: Fri Aug 30, 2002 1:09 am
Posts: 8546
Location: Southern California
Wow, where did you find that list? I looked in my printout of the ANS standard, and none of them are there. How about just a single word that takes a parameter on the stack to tell which list you want, and ending with a message and no action (but no abort) if the parameter is not one of the things the word can do?

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 Post subject: Re: Crazy LISTings
PostPosted: Wed Mar 03, 2021 7:51 pm 
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Joined: Sun Apr 26, 2020 3:08 am
Posts: 357
Didn't find them. I made them. All are done except the last three, and they are not done yet due to not yet finished compiling the differences between the three standards. And don't really know how to differentiate words supported by each standard yet. May add a .8 or .A suffix to those words.

I did them up as a learning exercise, and quickly realized if they were available from the start, I could have picked up on Forth a lot quicker. Experienced Forth programmers probably won't need them, but they are really good for learning Forth. I will post the word descriptions shortly if anyone wants them.


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 Post subject: Re: Crazy LISTings
PostPosted: Thu Mar 04, 2021 6:09 am 
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Joined: Sun Apr 26, 2020 3:08 am
Posts: 357
Here are a few of the easier definitions.

( all values are in hex )
: nxtwrd pfa lfa @ dup 0= ;
: prntwrd dup count 1F and type ." " ;
: (BAL) dup 5F > if 5F and then latest begin over over 1+ c@ = if prntwrd then nxtwrd until drop drop ;
: BList ( c -- ) bl word here 1+ c@ (BAL) cr ; ( Byte - single letter )
: AList 60 20 do I (BAL) loop cr ; ( alphabetical ) ( single letter words are not listed due to their hi-bit being set)

: IList latest begin dup c@ 40 and if prntwrd then nxtwrd until drop cr ; ( immediates )
: PList latest begin dup pfa dup 2- @ = if prntwrd then nxtwrd until drop cr ; ( primitives )

: (VCU) latest begin over over pfa 2- @ = if prntwrd then nxtwrd until drop drop cr ;
: VList ' use @ (VCU) ; ( variables )
: CList ' bl @ (VCU) ; ( constants )
: UList ' dp @ (VCU) ; ( user variables )


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 Post subject: Re: Crazy LISTings
PostPosted: Sat Mar 06, 2021 12:40 am 
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Joined: Fri May 05, 2017 9:27 pm
Posts: 895

Back when I wrote my metacompiler, I wrote a word called SMUDGE-TEST similar to your SLIST . It lists words in the context vocabulary with the smudge bit set and is one of the tests run when the metacompiler finishes.


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