[Lazarus] Using FPC parser/tokenizer for code formatting

[Florian Klaempfl]

Hans-Peter Diettrich schrieb:
> Michael Van Canneyt schrieb:
> 
>> Well, given the recent breakage because of the support for 'deprecated',
>> I started on a test file, but I think that a better and more fundamental
>> approach is needed. My idea was to create a large number of small files
>> with code fragments. The test application reads the fragments and puts
>> them in a unit (interface/implementation) and attempts to scan/parse it.
>> After that, it's just a matter of creating the code fragments.
> 
> A nice idea, but what about verification of the result? Not getting
> exceptions is not necessarily a sign of a properly working parser, with
> decent error recovery.

This is even not guranteed for the compiler parser ;) I discovered
recently that fpc eats the following nonsense:

label
  1234;

begin
  4321+1234:
end.