Is your feature request related to a problem?

As a basis for the data flow analysis we need to know the declaration(s) that a reference can point to.

Desired solution

A function resolve_reference that takes an astroid.Name node (or another node that represents a reference) and returns a list of the possible

• parameters
• local variables
• global variables
• class attributes
• instance attributes

that the reference can point to.

If we cannot list all candidates, this should be clearly indicated. Since this function is the basis for any further analysis, it should be well tested.

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