cpp header organizer

[Felix Berger]

Hi,

I started to do some work on a cpp header includer, that is invoked with a 
shortcut or from a menu and starts parsing the current file to find out what 
classes and functions are used in the file but are not declared there.

The ultimate goal would be to discriminate between cases where it suffices to 
use forward declaration and cases where we need to include the header file. 
Furthermore one could try to minimize the number of included files if we knew 
what they themselves include transitively (Calculate transitive closure).

I imagine the user interface to ressemble Eclipse's "Organize Imports" 
interface for java imports. It shows a dialog in case the import is 
ambiguous.

First question: Is someone else already working on this?

What I've done so far is create a class and provide an action in the edit menu 
in the cppsupportpart. When the action is activated I fetch the translation 
unit from the backgroundparser and start traversing it.

To find out if a foward declaration suffices I have to go down to statements 
to see if a pointer to a class is dereferenced somewhere. I extended 
TreeParser to do this. My problem now is, that the statement lists in the 
function ASTs seem to be empty. Is this a bug in my code or does the parser 
not provide the information? Is it ok to ask the backgroundparser, or should 
I create my own KDevDriver instance?

Sincerely,
Felix Berger

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