[Lazarus] Multi-threading support in IDE

[Michael Van Canneyt]

On Fri, 14 Aug 2009, Vincent Snijders wrote:

> Mattias Gärtner schreef:
>> Zitat von Graeme Geldenhuys <graemeg at opensoft.homeip.net>:
>> 
>>> Mattias Gaertner wrote:
>>>> 
>>>> -compiler crashes do not effect the IDE
>>> 
>>> I like Florian's idea too. As for your statement above, how often does 
>>> this really happen? In the last 4-5 years that I have been using FPC, the 
>>> compiler has not once "crashed" on me. Yes it might report that there is a 
>>> compiler error in my project, but I do not consider that a crash.
>> 
>> The compiler is started on every compile which is the cleanest start you 
>> can get. A threaded compiler must have a restart, which is less clean. 
>> There will be more crashes and bugs.
>> What happens if the restart fails?
>
> For the debugger, we have reset debugger.

That's easy: it stops and restarts gdb. an external process.

> For the compiler, we would add a reset compiler option.

If the compiler is internal, what would 'reset compiler' do ?
If the compiler people can't guarantee a proper reset, then
neither can the IDE...

With the proposal of Florian, the 'reset compiler' is possible,
just as with GDB...

Michael.