How does parsing and duchainbuilding work?

[Hamish Rodda]

On Thursday 26 July 2007 08:32, Andreas Pakulat wrote:
> Hi,
>
> maybe one of our C++ guys has already explained this, but I'm currently
> missing information on what exactly happens (in which order) when a file
> is parsed. I'd like to understand (without having to read all the stuff
> in the C++ support):
>
> What happens after the parsing itself is done?

kdevplatform/language/duchain-design.dox

(btw, are these docs built + posted online somewhere?)

> How does the editorintegrator fit into the picture - I first thought its
> a singleton, but its not, so where does it get created (or better: Where
> is a Contextbuilder created)?

It and contextbuilder are created in CPPInternalParseJob::run().  The editor 
integrator makes it easy to create editor ranges etc. from AST nodes & token 
values.

> I think this is pretty vital information to get from a plain parser to a
> language support plugin. I mean the "duchain-building" part is pretty
> clear, an AST visitor that walks the AST and creates duchain-objects
> during that. But how is the building triggered? What classes are needed
> to build it?

Hope it's clearer now.

Cheers,
Hamish.
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