DUchain query

Hamish Rodda rodda at kde.org
Wed Jul 25 07:02:04 UTC 2007

On Wednesday 25 July 2007 05:50, Piyush Verma wrote:
> While Building the DUChain, is the editointegrator kind of necessary?
> This might be Obvious Otherwise, but i had some trouble in it.
> Working according to Cpp making a new editorintegrator was taking quite
> some time+effort than usual, can the info regarding the current document be
> passed with the url?
> like the url being passed to contextbuilder here...is this of any real
> use...OR the only solution is to write a editorintegrator?

An editor integrator specific to a language makes it convenient to translate 
between lexer token positions and line,column positions; ditto for AST nodes.  
You really need to make one for python, to save from repeating code very 
frequently.  Since the python parser seems to be created by kdevelop-pg, 
creating a Python editor integrator is simple - pretty much just copy the C++ 
editor integrator.  The reason why there is a specific editor integrator 
subclass for each language is so that languages which don't use kdevelop-pg 
can still be made to work with the base editor integrator class, and so the 
base class doesn't have to link to each parser library.

Note however that the c++ code combines the TokenStream and LocationTable into 
one object called the ParseSession; if python doesn't have this already, 
you'd either need to create a parse session object for python, or pass the 
objects around manually.

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