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comp.lang.forth

Forth programmers eat a lot of Bratwurst

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Message 117,649 of 117,927

dxf to Hans Bezemer

Re: Conditional compilation

27 Oct 25 15:30:42

   From: dxforth@gmail.com   
      
   On 27/10/2025 1:29 am, Hans Bezemer wrote:   
   > On 4tH, it doesn't even compile:   
   >   
   > $ pp4th -x pptest10.4th   
   > Compiling;Â Â Â  Word 29: Incomplete declaration   
   >   
   > After adding the [THEN]:   
   >   
   > $ pp4th -x pptest10.4th   
   > 1 (TOS)   
   >   
   > Decompile:   
   >   
   > 4tH message: Incomplete declaration at word 29   
   > Object size: 29 words   
   > String size: 7 chars   
   > VariablesÂ  : 0 cells   
   > StringsÂ Â Â  : 0 chars   
   > SymbolsÂ Â Â  : 1 names   
   > ReliableÂ Â  : No   
   >   
   > Â  Addr| OpcodeÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â  OperandÂ Â    
   Argument   
   >   
   > Â Â Â  20| rotÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â    
    Â Â Â Â Â Â Â  0   
   > Â Â Â  21| +literalÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â  -1   
   > Â Â Â  22| branchÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â  13   
   > Â Â Â  23| dropÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â   
   Â Â Â Â Â Â Â  0   
   > Â Â Â  24| ."Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â   
   Â Â Â Â Â Â Â Â  0Â Â  (TOS)   
   > Â Â Â  25| dropÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â   
   Â Â Â Â Â Â Â  0   
   > Â Â Â  26| crÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â   
   Â Â Â Â Â Â Â Â  0   
   > Â Â Â  27| exitÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â   
   Â Â Â Â Â Â Â  0 <<<< end of .S definition   
   > Â Â Â  28| literalÂ Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â  1   
   >   
   > Message: Incomplete declaration (#23 M4NODECL)   
   > Words: All defining words and compiler directives   
   > Example: 10 CONSTANT CONSTANT NAME   
   > Cause: 4. An [IF] is not balanced by a [THEN].   
   >   
   > I forgot all about this thingy!   
      
   I have to admit to a beginner's mistake.  Using screens, [if] [then] almost   
   never   
   arises and I got bit.  It started with relocating 0 [if] .  But instead of   
   deleting   
   the original I did this:  \ 0 [if]   
   From there, it only got worse.  Live and learn.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)

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