[PATCH] shared dpointer for duchain

[Andreas Pakulat]

Hi,

apparently our list doesn't like mails larger than 20K (the first
version of this had an 18K attachment), so this time with a link instead
of attached patch.

I've started on the shared-dpointer stuff and so far made Declaration,
DUChainBase and FunctionDeclaration. It compiles and kdevelop still
starts. Unfortunately I hit a crash inside ~DocumentRangeObject. Looking
at some debug output I've inserted locally it seems like there exist two
document range objects that own the same range (pointer-wise) and when
the second DocumentRangeObject gets deleted
KTextEditor::Range::isSmartRange simply crashes.

I don't see any changes from me that would create a DUChain item with
the same range as an existing item, but I may be overlooking something.
Thus I post the patches here, so somebody with more inside into this
stuff can have a look and give me a hint or two.

The patch can be found at:
http://www.apaku.de/vardata/kdevplatform_shared_dpointer.diff

Andreas

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