So you have decided that you need a parser, a real one. Now you need to decide what to use to implement that parser. There are several choices: Create your own parser manually Use a parser combinator library like fastparse or parboiled2 Use a parser generator, like Antlr Use a language workbench, like Xtext or Langium Each choice has advantages and disadvantages that I will discuss in this post.
Continue ReadingXtext has a strong foundation in Model-Driven Development. Most people who start working with it do not realize that from the beginning and then find themselves in troubles because of that. If you are using Xtext, it is worth learning: what a metamodel is The tooling around modeling in Eclipse, this is: MWE2 EMF (Eclipse Modeling Framework) At least the basics of Model Driven Engineering/Development Knowing this will allow you to use Xtext in the way it was intended and work around its limitations.
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In this article I want to share my experiences trying to get started with language engineering on the web while coming from Java. Although I was trying to do language engineering, I think this article can be useful to any programmer who wants to enter the world of Javascript and the Web platform.
Continue ReadingIn a previous post I showed how to use the import namespace feature of Xtext. This feature helps to easily implement java like imports. However, Xtext also supports imports more in a C-like style, i.e. imports where a whole file imported, and its definitions made available to the current file.
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This post is a continuation of my LSP and Xtext Tutorial. In my latest post I created a language in Xtext to be used with a client. In this post I am going to create VS Code plugin to connect to the language server created in the previous post. The full code for this example can be found here.
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