the parser doesn’t stand a chance of distinguishing the variable declaration parser rule from the assignment one: only thefourthtoken reveals the distinction ID vs. Keyword(‘:=’). Note that since the nesting can be arbitrarily deep, any finite lookahead wouldn’t suffice meaning that we’d...
meaning that all stakeholders (i.e., technical and end-users) have the chance to participate, discuss and comment during the DSL definition phase (currently, this process only covers the abstract syntax, i.e., the metamodel, part of the DSL, but it should cover also the collaboration...
Our example DSL lets domain experts specify each attribute as having a type “amount”, “date range”, or “percentage”. An attribute’s type prescribes the range of values that that attribute can hold, and consequently, what meaning those values have. Attributes that have either “amount”...
It's not uncommon to find HTML embedded inside application code in a lot of programming languages. And this increasingly true for Rust too.A crate that provides a DSL for this is typed-html. It provides type-checked HTML, meaning the compiler checks your HTML syntax just like it checks ...