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I’m looking for a mature parser library, either for Scala or Haskell.
The most important point is, that the library can handle ambiguity.
If an expression is ambiguous, I want every possible abstract syntax tree, that matches the expression.
Simple example: The expression a ⊗ b ⊗ c can be seen as (a ⊗ b) ⊗ c or a ⊗ (b ⊗ c), and I need both variants.
Thanks!
At the end the the choice fell on the Syntax Definition Formalism (SDF2)
with an sdf table generator here
and JSGLR as parser generator.