Code refactoring

[KIAaze]

Hi,

I'm trying to find a way to refactor code, i.e. rename a function everywhere it's used for example.

I heard that Eclipse does this, but I couldn't figure out how to import a C++ project into it. And it takes up too much RAM anyway.

KDevelop seems to offer refactoring according to this release announcement:

KDevelop offers documentation generators, code debugging, memory checking, code refactoring, bookmark management, and dozens of tools to make development easy and convenient.

But I can't figure out where this option is.
The Find-Select-Replace option is pretty helpful, but it's not real refactoring since it doesn't search&replace according to the C/C++ syntax.

What code refactoring tools are available on GNU/Linux?