Vanilla: An Open Language Framework
نویسندگان
چکیده
end end total = 0, add = fun(n : Int) total := total + n Parser converts concrete syntax to the abstract representation Small number of language-specific components Large number of components provide abstractions common across several languages Sub-typing is handled separately to allow different sub-type regimes to be explored Interpreter uses type attributes to store type-derived information until run-time Sub-typing Type attributes Interpreter Parser Type checker Abstract syntax tree º ½º ÐÐÒÒÙÙÙÙ ÙÙÐØ ÖÓÑ ÓÑÔÓÒÒÒØ× Abstract interface to complete phase Interface functions access complete phase; component functions each provide a small piece of functionality
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A first taste of Vanilla
We present an overview of Vanilla, a system for building interpreters from components implementing language fragments. We describe Vanilla’s architecture and capabilities, and illustrate its use by defining a simple language feature.
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