Eclipse Community Forums: TMF (Xtext)

Help

Home

Home » Modeling » TMF (Xtext) » Xtext 2.1 and Xpand

Show: Today's Messages :: Show Polls :: Message Navigator

Xtext 2.1 and Xpand [message #756550]

Mon, 14 November 2011 09:40

Akira Tanaka

Messages: 98
Registered: March 2010

Member

Dear Xtext guru,

In the latest eclipse-SDK-3.7.1-Xtext-2.1.0 distribution, Xpand is no longer included. I think it was included in the 2.0(?). Does this fact mean Xpand code will not work with Xtext 2.1(?) or higher, or at least not recommended? Clarification on your plan/intention is very much appreciated.

Best,
Akira

Report message to a moderator

Re: Xtext 2.1 and Xpand [message #756556 is a reply to message #756550]

Mon, 14 November 2011 10:14

Sven Efftinge

Messages: 1823
Registered: July 2009

Senior Member

It just means that it is no longer part of the distro, as we recommend to use Xtend 2 for anything you used to do with Xpand. But it still can be used.

Report message to a moderator

Re: Xtext 2.1 and Xpand [message #756845 is a reply to message #756556]

Tue, 15 November 2011 10:34

Lorenzo Bettini

Messages: 1812
Registered: July 2009
Location: Firenze, Italy

Senior Member

On 11/14/2011 11:14 AM, Sven Efftinge wrote:
> It just means that it is no longer part of the distro, as we recommend
> to use Xtend 2 for anything you used to do with Xpand. But it still can
> be used.

I noted that, if

// project wizard (optional)
fragment = projectWizard.SimpleProjectWizardFragment {
generatorProjectName = "${projectName}"
modelFileExtension = file.extensions
}

is enabled in the workflow, the generated project wizard code still
relies on Xpand; are you planning to move the fragment to Xtend2 as well?

cheers
Lorenzo

--
Lorenzo Bettini, PhD in Computer Science, DI, Univ. Torino
ICQ# lbetto, 16080134 (GNU/Linux User # 158233)
HOME: http://www.lorenzobettini.it MUSIC: http://www.purplesucker.com
http://www.myspace.com/supertrouperabba
BLOGS: http://tronprog.blogspot.com http://longlivemusic.blogspot.com
http://www.gnu.org/software/src-highlite
http://www.gnu.org/software/gengetopt
http://www.gnu.org/software/gengen http://doublecpp.sourceforge.net

HOME: http://www.lorenzobettini.it
TDD Book: https://leanpub.com/tdd-buildautomation-ci
Xtext Book: https://www.packtpub.com/application-development/implementing-domain-specific-languages-xtext-and-xtend-second-edition

Report message to a moderator

Re: Xtext 2.1 and Xpand [message #757560 is a reply to message #756556]

Sat, 19 November 2011 06:37

Akira Tanaka

Messages: 98
Registered: March 2010

Member

Thank you for the response.

Xtend 2, "A language made for Java developers," is great if your target is Java. But if it is not, or if the objective is model to model transformation (rather than model to text (Java source) transformation), I think Xpand is simpler and is better to be included as a part of the package.

Best,
Akira

Report message to a moderator

Re: Xtext 2.1 and Xpand [message #757567 is a reply to message #757560]

Sat, 19 November 2011 11:30

Meinte Boersma

Messages: 434
Registered: July 2009
Location: Leiden, Netherlands

Senior Member

Xpand does model-to-text exclusively, while Xtend2 can do it (by virtue of rich strings) but certainly isn't limited to it. Xtend1 is (was) the language for model-to-model transformation and indeed is good at that, but as long as your metamodels are reified in terms of Java beans, Xtend2 can do the same trick and often more comfortably than with Xtend1. Xtend1 is no longer actively maintained.

Xtext blogs: executable models...again? | workshop material | custom scoping with Xtend

Report message to a moderator

Previous Topic:	how to trigger generation of files in folder xtend-gen
Next Topic:	How to decide which generator to use

Goto Forum:

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

]

Current Time: Fri Apr 19 07:15:15 GMT 2024

.:: Contact :: Home ::.

Breadcrumbs

Sign up to our Newsletter