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Name three Domain Specific Languages
regular expressions: [-+]?[0-9]*\.?[0-9]+
SQL: SELECT ... FROM ... WHERE ...
CSS/HTML: b{ color: #926C41 }
What is Model-Driven (Software) Engineering (MDE)
Its a software-engineering methodology that focuses on creating and exploiting models to produce software
Syntactic Sugar - Regex
What does the kleene star (*) do?
What does syntactic sugar mean? : )
syntax within a programming language that is designed to make things easier to read or to express.
What does disjoint (math) mean?
What is EBNF? ( Extended Backus-Naur Form)
The EBNF is a way to specify a formal language grammar. It can be considered a metalanguage because it is a language to describe other languages
What is a formal language?
A formal language is a language with a precise structure, like programming languages, data languages, or Domain Specific Languages (DSLs). Java, XML, and CSS are all examples of formal languages.
What is context free grammar?
- a set of productions over disjoint sets of terminal symbols (tokens) and nonterminal symbols
What is an LL parser?
In computer science, an LL parser (Left-to-right, leftmost derivation) is a top-down parser for a restricted context-free language. It parses the input from Left to right, performing Leftmost derivation of the sentence.
What can you use to make an Abstract syntax tree?
A metamodelling tool e.g., Eclipse Modeling Framework
Metamodelling Specifies the structure of the AST
What can you use to apply Static Semantics?
OCL constraints
What are the advantages of DSL's?
▪ less expressive
▪ separates domain related and infrastructure code
▪ improves communication with domain experts and customers
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