[fpc-pascal] Known issue with 1.9.4 [2004/05/30] for i386 on Linux?

Nico Aragón na-list at espira.net
Thu Sep 30 10:47:48 CEST 2004


On Wed, 29 Sep 2004 20:23:13 -0700 (PDT), Alan Mead wrote:

>>   while ( (i<=Length(fmt)) and (NOT fmt[i] IN ['0'..'9']) ) do
>> inc(i);
>First, it seems improper for any syntax to compile (i.e., to fail to
>raise a syntax error) and then not execute. 

It compiles because it has the meaning that David said. The "not"
operator is applied to fmt[i]. 

>Second, I had to track this down by inserting a bunch of lines like
>"writeln('Passed 33');".  The code was compiled with -gl so I should
>see a line number but none is shown.  This seems like a bug.  

>Third, the RTE, "Invalid variant operation" seems inappropriate and
>confusing.  Again, maybe there's an implicit conversion... (but is it

The "not" operator applies to integers, performing a bitwise not. In
your code it's applied to a character, so the conversion is probably
from char to integer.  Useful when doing f.i. compression or

If it's inappropiate or not, I don't know.

  Nico Aragón

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