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Language workbench to create Domain-Specific Languages

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Fluent Java editing in MPS 3.0

Vaclav Pech
Vaclav Pech

Here’s a short video showing some of the new capabilities of the MPS BaseLanguage (Java) editor coming in 3.0. Based on the feedback we received from many of our users, we put extra effort into making the editor feel like a textual one in many aspects. Namely:

  • there are no visual placeholders for extended classes and implemented interfaces
  • you can create fields and methods just by typing
  • many of the class, field or method modifiers, such as final, static and abstract can be entered and removed in more intuitive ways
  • switching among IfStatements, WhileStatements, Do-WhileStatements and ForLoops is now just a matter of typing a few characters
  • unwrapping the body of an IfStatement or a TryCatchBlock is as simple as hitting Delete
  • the javadoc language now behaves much more like text
  • javadoc comments can be added by typing /** and removed by a single hit on the Delete key
It is always a pleasure to push the envelop of projectional editing. We believe these changes will make your life a bit easier and more convenient.


Develop with pleasure!
-JetBrains MPS Team

editor Feature mps 3.0
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