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You're reading from  Implementing Domain-Specific Languages with Xtext and Xtend. - Second Edition

Product typeBook
Published inAug 2016
Reading LevelIntermediate
PublisherPackt
ISBN-139781786464965
Edition2nd Edition
Languages
Java
Tools
Xtext
Concepts
Domain Specific Languages
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Author (1)
Lorenzo Bettini
Lorenzo Bettini
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Lorenzo Bettini

Lorenzo Bettini is an associate professor in computer science at the Dipartimento di Statistica, Informatica, Applicazioni "Giuseppe Parenti," Universit di Firenze, Italy. Previously, he was a researcher in computer science at Dipartimento di Informatica, Universit di Torino, Italy. He also was a Postdoc and a contractual researcher at Dipartimento di Sistemi e Informatica, Universit di Firenze, Italy. He has a masters degree summa cum laude in computer science and a PhD in "Logics and Theoretical Computer Science." His research interests cover design, theory, and the implementation of programming languages (in particular, objectoriented languages and network-aware languages). He has been using Xtext since version 0.7. He has used Xtext and Xtend for implementing many domain-specific languages and Java-like programming languages. He also contributed to Xtext, and he recently became an Xtext committer. He is the author of the first edition of the book "Implementing Domain-Specific Languages with Xtext and Xtend", published by Packt Publishing (August 21, 2013). He is also the author of about 80 papers published in international conferences and international journals. You can contact him at http://www.lorenzobettini.it.
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Customizations of IDE concepts

In this section, we show typical concepts of the IDE for your DSL that you may want to customize. Xtext shows its usability in this context as well, since, as you will see, it reduces the customization effort.

Labels

Xtext UI classes make use of an ILabelProvider interface to obtain textual labels and icons through its methods getText and getImage, respectively. ILabelProvider is a standard component of Eclipse JFace-based viewers. You can see the label provider in action in the Outline view and in content assist proposal popups (as well as in various other places).

Xtext provides a default implementation of a label provider for all DSLs, which does its best to produce a sensible representation of the EMF model objects using the name feature, if it is found in the corresponding object class, and a default image. You can see that in the Outline view when editing an entities file, refer to the following screenshot:

However, you surely want to customize the representation...

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Implementing Domain-Specific Languages with Xtext and Xtend. - Second Edition
Published in: Aug 2016Publisher: PacktISBN-13: 9781786464965
© 2016 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Lorenzo Bettini

Lorenzo Bettini is an associate professor in computer science at the Dipartimento di Statistica, Informatica, Applicazioni "Giuseppe Parenti," Universit di Firenze, Italy. Previously, he was a researcher in computer science at Dipartimento di Informatica, Universit di Torino, Italy. He also was a Postdoc and a contractual researcher at Dipartimento di Sistemi e Informatica, Universit di Firenze, Italy. He has a masters degree summa cum laude in computer science and a PhD in "Logics and Theoretical Computer Science." His research interests cover design, theory, and the implementation of programming languages (in particular, objectoriented languages and network-aware languages). He has been using Xtext since version 0.7. He has used Xtext and Xtend for implementing many domain-specific languages and Java-like programming languages. He also contributed to Xtext, and he recently became an Xtext committer. He is the author of the first edition of the book "Implementing Domain-Specific Languages with Xtext and Xtend", published by Packt Publishing (August 21, 2013). He is also the author of about 80 papers published in international conferences and international journals. You can contact him at http://www.lorenzobettini.it.
Read more about Lorenzo Bettini

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