Domain-Specific Language (DSL)
A Domain-Specific Language (DSL) is a programming or scripting language designed to solve problems within a specific domain or industry. Unlike general-purpose languages (GPLs) such as Python, Java, or C++, which have a wide range of applications, DSLs are optimised for a particular set of tasks, so that they can be more efficient and expressive within their intended scope.
DSLs can be categorised into internal DSLs, which are built within an existing general-purpose language, and external DSLs, which have their own unique syntax and compiler. Due to their higher level of customisability, DSLs are commonly used in fields such as finance, automation, data science, and web development.
Related reading: Optimising ANTLR grammar and data parsers.
Task-specific language
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DSL
Examples
Atfinity’s software uses a Domain-Specific Language called RuLa. It is used in order to greatly increase the speed at which our software can be changed and configured, compacting what would be twenty lines of code into a simple phrase. In combination with our AI-powered rule engine, this means that our configuration team can create new processes for clients without having to code entirely new systems. However, since this is a Domain-Specific Language, even if you knew RuLa like the back of your hand, that knowledge would likely not translate to a different DSL, as it has been specifically designed for Atfinity’s ecosystem and needs.
FAQ
What does a Domain-Specific Language (DSL) do?
A DSL allows businesses to better optimise and streamline key processes by tailoring the language to their specific needs. For example, a software company creating a DSL that specialises in launching new products or quickly extracting and parsing data.
What’s the difference between a DSL and a GPL?
A DSL is designed for a particular domain and is optimised for domain-specific tasks, making it more efficient within that scope. For example, how RuLa is designed and optimised around Atfinity’s rule engine. A general-purpose language (GPL) on the other hand, like Python or Java, is versatile and fits many different use cases but may require a lot more fine tuning to excel at certain processes.
Can a business develop its own Domain-Specific Language (DSL)?
Yes, businesses can develop their own DSLs to address unique industry challenges. However, developing a DSL requires careful planning for the DSL to excel in the given environment without sacrificing ease of use, scalability, and other important factors.
