Entries by Federico Tomassetti

Bromium DSL: a DSL to Test UI Actions

  I recently heard about Bromium, a Domain Specific Language (DSL) to describe user actions on a UI. Given I love everything regarding DSLs I contacted his author, Hristo Vrigazov, and chatted with him about: the DSL he has built, building editors using Xtext, working on an open-source project his visions on language engineering Enjoy! […]

Designing a DSL for accounting: use a DSL to describe taxes, pension contributions, and general financial calculations

Let’s see how we can design a DSL. Many readers appreciated the tutorials we wrote on implementing Domain Specific Languages but kept asking us resources on the designing of these languages. On this blog we have discussed already how to write parsers, interpreters, and compilers but we did not write much on what comes before, […]

Three Rules that Helped Me Becoming a Better Professional

Normally in this blog I write about technical stuff: mostly tutorials and ideas on software design. Sometimes however I share what is going on with my professional life: I wrote about what I learned working at TripAdvisor, and about my first year as an independent consultant, before I co-founded Strumenta. Over the years I had […]

EBNF: How to Describe the Grammar of a Language

The EBNF is the most commonly used formalism to describe the structure of languages. In this article we are going to see: What the EBNF Examples of grammars defined with EBNF How we can define a grammar using EBNF A few things to consider when using EBNF How to use EBNF in practice today A summary […]