20 lines
No EOL
645 B
OCaml
20 lines
No EOL
645 B
OCaml
(* https://tarides.com/blog/2019-05-09-an-introduction-to-ocaml-ppx-ecosystem/ *)
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(* https://ocaml-ppx.github.io/ppxlib/ppxlib/writing-ppxs.html#extenders *)
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open Ppxlib
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let context = Extension.Context.expression
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let extender_name = "monomorphic"
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let extracter () = Ast_pattern.(single_expr_payload __)
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let expander ~ctxt (_: expression) =
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let loc = Expansion_context.Extension.extension_point_loc ctxt in
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[%expr 5]
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let my_extender = Extension.V3.declare extender_name context (extracter()) expander
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let extender_rule = Context_free.Rule.extension my_extender
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let _ = Driver.register_transformation ~rules:[extender_rule] "polycheck" |