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Generating Graphical AST [message #1107705]

Thu, 12 September 2013 20:30

mcse mcse

Messages: 53
Registered: August 2012

Member

Hi,

I have grammar developed in Xtext. However, I need to use the graphical form of the AST for my grammar. Is there a way to generate a tree diagram from my grammar ?

Thanks

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Re: Generating Graphical AST [message #1107945 is a reply to message #1107705]

Fri, 13 September 2013 05:37

Christian Dietrich

Messages: 14665
Registered: July 2009

Senior Member

Hi i am not sure what you are talking about. But Süd you try right
click -> open with -> sample ecore model editor (or so) on the
*.mydsl file

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Re: Generating Graphical AST [message #1107965 is a reply to message #1107945]

Fri, 13 September 2013 06:19

mcse mcse

Messages: 53
Registered: August 2012

Member

Hi,

Thanks for the reply.

I am looking for a way to generate a tree from the grammar where there is single root node representing the compilation unit in my grammar. The tree then expands until the leaves representing the terminals in my grammar.
So, this is called abstract syntax tree, is not it ? Is not there a way to generate a diagram of such a tree ?

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Re: Generating Graphical AST [message #1107971 is a reply to message #1107965]

Fri, 13 September 2013 06:26

Christian Dietrich

Messages: 14665
Registered: July 2009

Senior Member

Hi so you are one metalevel up?
There is/ was a visualization view for the grammar shipped with xtext
but this represents the concrete synatx. And there is the .xtextbin
or .xmi file (I think one can configure which to get) of the grammar
itself as Xtext sees it. At least the xmi file you can open with emf
tools as mentioned before.

You can write a own generator fragment to deal with that

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Need training, onsite consulting or any other kind of help for Xtext?
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Re: Generating Graphical AST [message #1110011 is a reply to message #1107705]

Mon, 16 September 2013 08:32

Jan Koehnlein

Messages: 760
Registered: July 2009
Location: Hamburg

Senior Member

If you're interested in a visualization of the lexical structure, you
might also have a look at the Window->Show View->Other...->Xtext->Xtext
Syntax Graph.

Am 12.09.13 22:30, schrieb mcse mcse:
> Hi,
>
> I have grammar developed in Xtext. However, I need to use the graphical
> form of the AST for my grammar. Is there a way to generate a tree
> diagram from my grammar ?
>
> Thanks

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Go visit: http://xtext.itemis.com

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Get professional support from the Xtext committers at www.typefox.io

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