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List:       quanta-devel
Subject:    Re: [quanta-devel] Upload-Plugin
From:       "Niko Sams" <niko.sams () gmail ! com>
Date:       2008-02-15 19:46:22
Message-ID: 629542d40802151146w386d43afnb835362409416166 () mail ! gmail ! com
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On Feb 12, 2008 4:23 PM, Alexander Dymo <dymo@ukrpost.ua> wrote:
> On Tuesday 12 February 2008 11:04:11 Eric Laffoon wrote:
> > > > kdevplatform has a parser-infrastructure too - is this used in any
> > > > way?
> > > No.
> > What about what Alex said way back in Germany 4 years ago when we first
> > discussed this? He said the parsers could integrate. It seemed hard for me
> > to believe and I think impossible for you. I think they would need to be
> > pluggable, and I can't imagine inversely pluggable parsers. However it's
> > not inconceviable to have modular parsing. Different parsers synchronizing
> > I think would be a nightmare of threads.
>
> Here is what we have in kdev4 infrastructure now...
>
> Each source file can be parsed by different parsers - it's the matter of
> setting the mime type in the language plugin.
>
> For example, theoretically ruby, javascript and html language plugins could
> define "rhtml" as supported extension. In this case foo.rhtml (ruby + html)
> would be parsed by 3 different parsers (in 3 different threads).
>
> The problem here is that each such parser should be able to parse only
> relevant portions of the file, ignoring the others.
>
> Another (possible) problem is that parsers will work without any
> synchronizations. This means that for the source file you'll get separate
> AST's (one for ruby code, one for html code and one for javascript code in my
> example). So there should be either the dedicated code to merge AST's (dunno
> how hard to implement) or the dedicated parser "controller" which would break
> the source file into parts and parse them with different parsers (IMHO hard
> to implement).

Actually I don't know a thing about parsers. But if there is a parser for
ruby+html+javascript in kdevplatform - it must be possible to reuse at least
the html and javasript parts and other parts probably for
php+html+javascript+css
in quanta4.

Niko
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