Re: Brief and keydefs

["John E. Davis" <davis@xxxxxxxxxxxxx>]

Marko Mahnic <marko.mahnic@xxxxxxxx> wrote:
>   if (is_symbol_defined("FLTK")) () = evalfile ("fl-keydefs");
>   else if (is_symbol_defined("IBMPC_SYSTEM")) () = evalfile ("pc-keydefs");
>   ...
>
>The function could be implemented in SLang using __get_defined_symbols,
>but it would be slow.

Why would it be slow?  Consider:

  slsh> Symbols = [__get_defined_symbols(), pop()];
  slsh> define is_symbol_defined (sym) {return any(sym==Symbols);}
  slsh> tic; loop (1000000) x=is_symbol_defined("VMS"); toc;
  7.47544

This shows that the execution time is less than 8 microseconds (on a
pentium III).

[...]
>Some time back I sent John some code that would enable jed to
>x_set_keysym(X, ...) for an arbitrary X (0x0000 - 0xffff). I

I added a code to based upon your patch to Xjed a while back.  As a
result, the stock version of Xjed supports arbitrary keysyms.

Thanks,
--John

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