| Re: [cdt-dev] what exactly is stored in the index? |
Hi,
I'm having trouble understanding what exactly is stored in the index.
On the one hand, it seems the index is meant to store information about
non-local entities only, because these are the entities of interest
to someone who needs information about something in a header file.
This is corroborated by the first few lines of
PDOMCPPLinkage.adaptOrAddParent(), where a binding whose owner is a
function (i.e. a local binding) is rejected (unless it's a template
parameter).
On the other hand, when I run the indexer, I see
PDOMLinkage.addBinding() being called for every name in every file,
even local names.
Are these two things not in conflict with each other?
For example, consider the following code:
template <typename T> class A {};
void f()
{
typedef int Int;
A<Int> a;
}
When this code is indexed, the binding for the template-id 'A<Int>'
is stored in the index (i.e. PDOMLinkage.addBinding() is called on it).
However, when the marshalling process gets to storing the template
argument 'Int', it is not stored because it's a local binding (its
owner is the function 'f').
This gives rise to bug 397345 [1]. I am trying to fix it, but I feel
that I need to understand the underlying concepts before I can fix it.
Any insights are appreciated!
Thanks,
Nate
[1] https://bugs.eclipse.org/bugs/show_bug.cgi?id=397345
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