R. Ribeiro, L. Reis, Samuel da Silva Feitosa, E. Cardoso
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Towards Typed Semantics for Parsing Expression Grammars
We describe the formalization of a type system for parsing expression grammars (PEG) which is equivalent to Ford's original fixpoint-based definition of well-formed PEGs. We use our type system definition to implement a functional big-step semantics for typed PEGs using the Agda programming language.