Guidance on developing a new language plugin

Victor Vicente de Carvalho victor.v.carvalho at
Wed Feb 24 01:48:59 UTC 2010

Hi Milian,

In attachment I'm sending 2 diffs: the first with the changes I've
mentinoned not touching identation, and the second changing as little as
possible on code, with implies on doing some ghost flush's (and an uglier
output :).


2010/2/22 Milian Wolff <mail at>

> Victor Vicente de Carvalho, 21.02.2010:
> > Hi all,
> >
> > I'm trying to implement an erlang plugin for kdevelop. I've mailed milian
> > sometime ago, and was sucessfull creating the lexer and the sintatic
> > parser, but I'm having some trouble integrating the DUchain stuff. In my
> > point of view, as a dynamic, functional language, little information is
> > needed, so I'm wondering what of DUchain should I use, if none. I'm
> trying
> > to study it on pgp and css plugins, wich I've found to be more alike
> > erlang
> > functionalities, but I'm confused about the builders. What exactly are
> the
> > ContextBuilder and DeclarationBuilder? I just wanted to make comon errors
> > to show, and an simple include system; In my point of view that should be
> > the necessary. In some late point, if everything runs well, I'll discuss
> > on how to integrate the dialyzer program, witch detects variable types,
> > abd so doing the semantic part (in ways of "meaning of a type").
> You need the builders as soon as you want more than simple parse-error
> reporting. Especially things like quickopen, outline, classbrowser, ...
> require declarations in the DUChain. And imo, if you already have a parser,
> adding the builders should be a piece of cake :) Please push your code to
> playground/devtools/kdevelop4-extra-plugins so we/I can have a look at it.
> > In attachment I'm posting some changes I've made on kdevelop-pg-qt. The
> > firs is that error generation was using qDebug(), wich prints newlines
> > after every stream outputted, and the other is to really print the
> content
> > of the nodes, because actually the FIRST/FOLLOW, FIRST/FIRST problems are
> > outputting the integer pointer of the node. To understand, just run it on
> > a grammar witch has erros.
> Please remove the indentation changes from the patch, this way I cannot
> really
> review the changes.
> --
> Milian Wolff
> mail at
> --
> KDevelop-devel mailing list
> KDevelop-devel at
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